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Updated vfs.h to match current libretro common (#112)

Browse Source 
* Updated winrt checks

* Updated to current libretro-common
This commit is contained in:
Alberto Fustinoni 2024-06-29 07:42:57 +09:00 committed by GitHub
parent 98b3ed6a71
commit 09869bb603
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
21 changed files with 3067 additions and 1191 deletions
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7
libretro-common/compat/compat_strl.c
View File

@ -60,10 +60,3 @@ size_t strlcat(char *dest, const char *source, size_t size)
return len + strlcpy(dest, source, size);
}
#endif
char *strldup(const char *s, size_t n)
{
char *dst = (char*)malloc(sizeof(char) * (n + 1));
strlcpy(dst, s, n);
return dst;
}

30
libretro-common/compat/fopen_utf8.c
View File

@ -37,22 +37,28 @@
void *fopen_utf8(const char * filename, const char * mode)
{
#if defined(LEGACY_WIN32)
FILE *ret = NULL;
char * filename_local = utf8_to_local_string_alloc(filename);
if (!filename_local)
return NULL;
ret = fopen(filename_local, mode);
if (filename_local)
{
FILE *ret = fopen(filename_local, mode);
free(filename_local);
return ret;
return ret;
}
#else
wchar_t * filename_w = utf8_to_utf16_string_alloc(filename);
wchar_t * mode_w = utf8_to_utf16_string_alloc(mode);
FILE* ret = _wfopen(filename_w, mode_w);
free(filename_w);
free(mode_w);
return ret;
wchar_t * filename_w = utf8_to_utf16_string_alloc(filename);
if (filename_w)
{
FILE *ret = NULL;
wchar_t *mode_w = utf8_to_utf16_string_alloc(mode);
if (mode_w)
{
ret = _wfopen(filename_w, mode_w);
free(mode_w);
}
free(filename_w);
return ret;
}
#endif
return NULL;
}
#endif

202
libretro-common/encodings/encoding_utf.c
View File

@ -51,9 +51,12 @@ static unsigned leading_ones(uint8_t c)
return ones;
}
/* Simple implementation. Assumes the sequence is
* properly synchronized and terminated. */
/**
* utf8_conv_utf32:
*
* Simple implementation. Assumes the sequence is
* properly synchronized and terminated.
**/
size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
const char *in, size_t in_size)
{
@ -79,7 +82,7 @@ size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
for (i = 0; i < extra; i++, in++, shift -= 6)
c |= (*in & 0x3f) << shift;
*out++ = c;
*out++ = c;
in_size -= 1 + extra;
out_chars--;
ret++;
@ -88,6 +91,11 @@ size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
return ret;
}
/**
* utf16_conv_utf8:
*
* Leaf function.
**/
bool utf16_conv_utf8(uint8_t *out, size_t *out_chars,
const uint16_t *in, size_t in_size)
{
@ -148,16 +156,20 @@ bool utf16_conv_utf8(uint8_t *out, size_t *out_chars,
return false;
}
/* Acts mostly like strlcpy.
/**
* utf8cpy:
*
* Acts mostly like strlcpy.
*
* Copies the given number of UTF-8 characters,
* but at most d_len bytes.
* but at most @d_len bytes.
*
* Always NULL terminates.
* Does not copy half a character.
* Always NULL terminates. Does not copy half a character.
* @s is assumed valid UTF-8.
* Use only if @chars is considerably less than @d_len.
*
* Returns number of bytes. 's' is assumed valid UTF-8.
* Use only if 'chars' is considerably less than 'd_len'. */
* @return Number of bytes.
**/
size_t utf8cpy(char *d, size_t d_len, const char *s, size_t chars)
{
const uint8_t *sb = (const uint8_t*)s;
@ -186,6 +198,11 @@ size_t utf8cpy(char *d, size_t d_len, const char *s, size_t chars)
return sb-sb_org;
}
/**
* utf8skip:
*
* Leaf function
**/
const char *utf8skip(const char *str, size_t chars)
{
const uint8_t *strb = (const uint8_t*)str;
@ -204,6 +221,11 @@ const char *utf8skip(const char *str, size_t chars)
return (const char*)strb;
}
/**
* utf8len:
*
* Leaf function.
**/
size_t utf8len(const char *string)
{
size_t ret = 0;
@ -220,7 +242,15 @@ size_t utf8len(const char *string)
return ret;
}
/* Does not validate the input, returns garbage if it's not UTF-8. */
/**
* utf8_walk:
*
* Does not validate the input.
*
* Leaf function.
*
* @return Returns garbage if it's not UTF-8.
**/
uint32_t utf8_walk(const char **string)
{
uint8_t first = UTF8_WALKBYTE(string);
@ -248,24 +278,23 @@ static bool utf16_to_char(uint8_t **utf_data,
size_t *dest_len, const uint16_t *in)
{
unsigned len = 0;
while (in[len] != '\0')
len++;
utf16_conv_utf8(NULL, dest_len, in, len);
*dest_len += 1;
*utf_data = (uint8_t*)malloc(*dest_len);
if (*utf_data == 0)
return false;
return utf16_conv_utf8(*utf_data, dest_len, in, len);
if ((*utf_data = (uint8_t*)malloc(*dest_len)) != 0)
return utf16_conv_utf8(*utf_data, dest_len, in, len);
return false;
}
/**
* utf16_to_char_string:
**/
bool utf16_to_char_string(const uint16_t *in, char *s, size_t len)
{
size_t dest_len = 0;
uint8_t *utf16_data = NULL;
bool ret = utf16_to_char(&utf16_data, &dest_len, in);
size_t dest_len = 0;
uint8_t *utf16_data = NULL;
bool ret = utf16_to_char(&utf16_data, &dest_len, in);
if (ret)
{
@ -274,13 +303,17 @@ bool utf16_to_char_string(const uint16_t *in, char *s, size_t len)
}
free(utf16_data);
utf16_data = NULL;
utf16_data = NULL;
return ret;
}
#if defined(_WIN32) && !defined(_XBOX) && !defined(UNICODE)
/* Returned pointer MUST be freed by the caller if non-NULL. */
/**
* mb_to_mb_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
static char *mb_to_mb_string_alloc(const char *str,
enum CodePage cp_in, enum CodePage cp_out)
{
@ -300,10 +333,8 @@ static char *mb_to_mb_string_alloc(const char *str,
if (!path_buf_wide_len)
return strdup(str);
path_buf_wide = (wchar_t*)
calloc(path_buf_wide_len + sizeof(wchar_t), sizeof(wchar_t));
if (path_buf_wide)
if ((path_buf_wide = (wchar_t*)
calloc(path_buf_wide_len + sizeof(wchar_t), sizeof(wchar_t))))
{
MultiByteToWideChar(cp_in, 0,
str, -1, path_buf_wide, path_buf_wide_len);
@ -347,45 +378,49 @@ static char *mb_to_mb_string_alloc(const char *str,
}
#endif
/* Returned pointer MUST be freed by the caller if non-NULL. */
/**
* utf8_to_local_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char* utf8_to_local_string_alloc(const char *str)
{
if (str && *str)
{
#if defined(_WIN32) && !defined(_XBOX) && !defined(UNICODE)
return mb_to_mb_string_alloc(str, CODEPAGE_UTF8, CODEPAGE_LOCAL);
#else
/* assume string needs no modification if not on Windows */
return strdup(str);
return strdup(str); /* Assume string needs no modification if not on Windows */
#endif
}
return NULL;
}
/* Returned pointer MUST be freed by the caller if non-NULL. */
char* local_to_utf8_string_alloc(const char *str)
/**
* local_to_utf8_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char *local_to_utf8_string_alloc(const char *str)
{
if (str && *str)
{
if (str && *str)
#if defined(_WIN32) && !defined(_XBOX) && !defined(UNICODE)
return mb_to_mb_string_alloc(str, CODEPAGE_LOCAL, CODEPAGE_UTF8);
return mb_to_mb_string_alloc(str, CODEPAGE_LOCAL, CODEPAGE_UTF8);
#else
/* assume string needs no modification if not on Windows */
return strdup(str);
return strdup(str); /* Assume string needs no modification if not on Windows */
#endif
}
return NULL;
return NULL;
}
/* Returned pointer MUST be freed by the caller if non-NULL. */
/**
* utf8_to_utf16_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
wchar_t* utf8_to_utf16_string_alloc(const char *str)
{
#ifdef _WIN32
int len = 0;
int out_len = 0;
#else
size_t len = 0;
size_t out_len = 0;
#endif
wchar_t *buf = NULL;
@ -393,63 +428,55 @@ wchar_t* utf8_to_utf16_string_alloc(const char *str)
return NULL;
#ifdef _WIN32
len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
if (len)
if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)))
{
buf = (wchar_t*)calloc(len, sizeof(wchar_t));
if (!buf)
if (!(buf = (wchar_t*)calloc(len, sizeof(wchar_t))))
return NULL;
out_len = MultiByteToWideChar(CP_UTF8, 0, str, -1, buf, len);
if ((MultiByteToWideChar(CP_UTF8, 0, str, -1, buf, len)) < 0)
{
free(buf);
return NULL;
}
}
else
{
/* fallback to ANSI codepage instead */
len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
if (len)
/* Fallback to ANSI codepage instead */
if ((len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0)))
{
buf = (wchar_t*)calloc(len, sizeof(wchar_t));
if (!buf)
if (!(buf = (wchar_t*)calloc(len, sizeof(wchar_t))))
return NULL;
out_len = MultiByteToWideChar(CP_ACP, 0, str, -1, buf, len);
if ((MultiByteToWideChar(CP_ACP, 0, str, -1, buf, len)) < 0)
{
free(buf);
return NULL;
}
}
}
if (out_len < 0)
{
free(buf);
return NULL;
}
#else
/* NOTE: For now, assume non-Windows platforms' locale is already UTF-8. */
len = mbstowcs(NULL, str, 0) + 1;
if (len)
if ((len = mbstowcs(NULL, str, 0) + 1))
{
buf = (wchar_t*)calloc(len, sizeof(wchar_t));
if (!buf)
if (!(buf = (wchar_t*)calloc(len, sizeof(wchar_t))))
return NULL;
out_len = mbstowcs(buf, str, len);
}
if (out_len == (size_t)-1)
{
free(buf);
return NULL;
if ((mbstowcs(buf, str, len)) == (size_t)-1)
{
free(buf);
return NULL;
}
}
#endif
return buf;
}
/* Returned pointer MUST be freed by the caller if non-NULL. */
/**
* utf16_to_utf8_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char* utf16_to_utf8_string_alloc(const wchar_t *str)
{
#ifdef _WIN32
@ -465,20 +492,17 @@ char* utf16_to_utf8_string_alloc(const wchar_t *str)
#ifdef _WIN32
{
UINT code_page = CP_UTF8;
len = WideCharToMultiByte(code_page,
0, str, -1, NULL, 0, NULL, NULL);
/* fallback to ANSI codepage instead */
if (!len)
if (!(len = WideCharToMultiByte(code_page,
0, str, -1, NULL, 0, NULL, NULL)))
{
code_page = CP_ACP;
len = WideCharToMultiByte(code_page,
0, str, -1, NULL, 0, NULL, NULL);
}
buf = (char*)calloc(len, sizeof(char));
if (!buf)
if (!(buf = (char*)calloc(len, sizeof(char))))
return NULL;
if (WideCharToMultiByte(code_page,
@ -491,13 +515,9 @@ char* utf16_to_utf8_string_alloc(const wchar_t *str)
#else
/* NOTE: For now, assume non-Windows platforms'
* locale is already UTF-8. */
len = wcstombs(NULL, str, 0) + 1;
if (len)
if ((len = wcstombs(NULL, str, 0) + 1))
{
buf = (char*)calloc(len, sizeof(char));
if (!buf)
if (!(buf = (char*)calloc(len, sizeof(char))))
return NULL;
if (wcstombs(buf, str, len) == (size_t)-1)

962
libretro-common/file/file_path.c
View File

File diff suppressed because it is too large Load Diff

38
libretro-common/include/compat/intrinsics.h
View File

@ -63,20 +63,34 @@ static INLINE int compat_ctz(unsigned x)
return __builtin_ctz(x);
#elif _MSC_VER >= 1400 && !defined(_XBOX) && !defined(__WINRT__)
unsigned long r = 0;
_BitScanReverse((unsigned long*)&r, x);
_BitScanForward((unsigned long*)&r, x);
return (int)r;
#else
/* Only checks at nibble granularity,
* because that's what we need. */
if (x & 0x000f)
return 0;
if (x & 0x00f0)
return 4;
if (x & 0x0f00)
return 8;
if (x & 0xf000)
return 12;
return 16;
int count = 0;
if (!(x & 0xffff))
{
x >>= 16;
count |= 16;
}
if (!(x & 0xff))
{
x >>= 8;
count |= 8;
}
if (!(x & 0xf))
{
x >>= 4;
count |= 4;
}
if (!(x & 0x3))
{
x >>= 2;
count |= 2;
}
if (!(x & 0x1))
count |= 1;
return count;
#endif
}

78
libretro-common/include/encodings/utf.h
View File

@ -38,29 +38,99 @@ enum CodePage
CODEPAGE_UTF8 = 65001 /* CP_UTF8 */
};
/**
* utf8_conv_utf32:
*
* Simple implementation. Assumes the sequence is
* properly synchronized and terminated.
**/
size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
const char *in, size_t in_size);
/**
* utf16_conv_utf8:
*
* Leaf function.
**/
bool utf16_conv_utf8(uint8_t *out, size_t *out_chars,
const uint16_t *in, size_t in_size);
/**
* utf8len:
*
* Leaf function.
**/
size_t utf8len(const char *string);
/**
* utf8cpy:
*
* Acts mostly like strlcpy.
*
* Copies the given number of UTF-8 characters,
* but at most @d_len bytes.
*
* Always NULL terminates. Does not copy half a character.
* @s is assumed valid UTF-8.
* Use only if @chars is considerably less than @d_len.
*
* Hidden non-leaf function cost:
* - Calls memcpy
*
* @return Number of bytes.
**/
size_t utf8cpy(char *d, size_t d_len, const char *s, size_t chars);
/**
* utf8skip:
*
* Leaf function
**/
const char *utf8skip(const char *str, size_t chars);
/**
* utf8_walk:
*
* Does not validate the input.
*
* Leaf function.
*
* @return Returns garbage if it's not UTF-8.
**/
uint32_t utf8_walk(const char **string);
/**
* utf16_to_char_string:
**/
bool utf16_to_char_string(const uint16_t *in, char *s, size_t len);
char* utf8_to_local_string_alloc(const char *str);
/**
* utf8_to_local_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char *utf8_to_local_string_alloc(const char *str);
char* local_to_utf8_string_alloc(const char *str);
/**
* local_to_utf8_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char *local_to_utf8_string_alloc(const char *str);
wchar_t* utf8_to_utf16_string_alloc(const char *str);
/**
* utf8_to_utf16_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
wchar_t *utf8_to_utf16_string_alloc(const char *str);
char* utf16_to_utf8_string_alloc(const wchar_t *str);
/**
* utf16_to_utf8_string_alloc:
*
* @return Returned pointer MUST be freed by the caller if non-NULL.
**/
char *utf16_to_utf8_string_alloc(const wchar_t *str);
RETRO_END_DECLS

331
libretro-common/include/file/file_path.h
View File

@ -51,6 +51,28 @@ enum
RARCH_FILE_UNSUPPORTED
};
struct path_linked_list
{
char *path;
struct path_linked_list *next;
};
/**
* Create a new linked list with one item in it
* The path on this item will be set to NULL
**/
struct path_linked_list* path_linked_list_new(void);
/* Free the entire linked list */
void path_linked_list_free(struct path_linked_list *in_path_linked_list);
/**
* Add a node to the linked list with this path
* If the first node's path if it's not yet set,
* set this instead
**/
void path_linked_list_add_path(struct path_linked_list *in_path_linked_list, char *path);
/**
* path_is_compressed_file:
* @path : path
@ -81,12 +103,12 @@ bool path_is_compressed_file(const char *path);
* path_get_archive_delim:
* @path : path
*
* Gets delimiter of an archive file. Only the first '#'
* Find delimiter of an archive file. Only the first '#'
* after a compression extension is considered.
*
* Returns: pointer to the delimiter in the path if it contains
* a compressed file, otherwise NULL.
*/
* @return pointer to the delimiter in the path if it contains
* a path inside a compressed file, otherwise NULL.
**/
const char *path_get_archive_delim(const char *path);
/**
@ -96,10 +118,28 @@ const char *path_get_archive_delim(const char *path);
* Gets extension of file. Only '.'s
* after the last slash are considered.
*
* Returns: extension part from the path.
*/
* Hidden non-leaf function cost:
* - calls string_is_empty()
* - calls strrchr
*
* @return extension part from the path.
**/
const char *path_get_extension(const char *path);
/**
* path_get_extension_mutable:
* @path : path
*
* Specialized version of path_get_extension(). Return
* value is mutable.
*
* Gets extension of file. Only '.'s
* after the last slash are considered.
*
* @return extension part from the path.
**/
char *path_get_extension_mutable(const char *path);
/**
* path_remove_extension:
* @path : path
@ -108,7 +148,10 @@ const char *path_get_extension(const char *path);
* text after and including the last '.'.
* Only '.'s after the last slash are considered.
*
* Returns:
* Hidden non-leaf function cost:
* - calls strrchr
*
* @return
* 1) If path has an extension, returns path with the
* extension removed.
* 2) If there is no extension, returns NULL.
@ -122,10 +165,28 @@ char *path_remove_extension(char *path);
*
* Get basename from @path.
*
* Returns: basename from path.
* Hidden non-leaf function cost:
* - Calls path_get_archive_delim()
* - can call find_last_slash() once if it returns NULL
*
* @return basename from path.
**/
const char *path_basename(const char *path);
/**
* path_basename_nocompression:
* @path : path
*
* Specialized version of path_basename().
* Get basename from @path.
*
* Hidden non-leaf function cost:
* - Calls find_last_slash()
*
* @return basename from path.
**/
const char *path_basename_nocompression(const char *path);
/**
* path_basedir:
* @path : path
@ -138,12 +199,13 @@ void path_basedir(char *path);
/**
* path_parent_dir:
* @path : path
* @len : length of @path
*
* Extracts parent directory by mutating path.
* Assumes that path is a directory. Keeps trailing '/'.
* If the path was already at the root directory, returns empty string
**/
void path_parent_dir(char *path);
void path_parent_dir(char *path, size_t len);
/**
* path_resolve_realpath:
@ -155,7 +217,7 @@ void path_parent_dir(char *path);
*
* Relative paths are rebased on the current working dir.
*
* Returns: @buf if successful, NULL otherwise.
* @return @buf if successful, NULL otherwise.
* Note: Not implemented on consoles
* Note: Symlinks are only resolved on Unix-likes
* Note: The current working dir might not be what you expect,
@ -177,8 +239,11 @@ char *path_resolve_realpath(char *buf, size_t size, bool resolve_symlinks);
* Both @path and @base are assumed to be absolute paths without "." or "..".
*
* E.g. path /a/b/e/f.cgp with base /a/b/c/d/ turns into ../../e/f.cgp
*
* @return Length of the string copied into @out
**/
size_t path_relative_to(char *out, const char *path, const char *base, size_t size);
size_t path_relative_to(char *out, const char *path, const char *base,
size_t size);
/**
* path_is_absolute:
@ -186,7 +251,7 @@ size_t path_relative_to(char *out, const char *path, const char *base, size_t si
*
* Checks if @path is an absolute path or a relative path.
*
* Returns: true if path is absolute, false if path is relative.
* @return true if path is absolute, false if path is relative.
**/
bool path_is_absolute(const char *path);
@ -210,8 +275,15 @@ bool path_is_absolute(const char *path);
* out_path = "/foo/bar/baz/boo.asm"
* E.g.: in_path = "/foo/bar/baz/boo.c", replace = "" =>
* out_path = "/foo/bar/baz/boo"
*
* Hidden non-leaf function cost:
* - calls strlcpy 2x
* - calls strrchr
* - calls strlcat
*
* @return Length of the string copied into @out
*/
void fill_pathname(char *out_path, const char *in_path,
size_t fill_pathname(char *out_path, const char *in_path,
const char *replace, size_t size);
/**
@ -225,6 +297,12 @@ void fill_pathname(char *out_path, const char *in_path,
*
* E.g.:
* out_filename = "RetroArch-{month}{day}-{Hours}{Minutes}.{@ext}"
*
* Hidden non-leaf function cost:
* - Calls rtime_localtime()
* - Calls strftime
* - Calls strlcat
*
**/
size_t fill_dated_filename(char *out_filename,
const char *ext, size_t size);
@ -241,34 +319,33 @@ size_t fill_dated_filename(char *out_filename,
*
* E.g.:
* out_filename = "RetroArch-{year}{month}{day}-{Hour}{Minute}{Second}.{@ext}"
*
* Hidden non-leaf function cost:
* - Calls time
* - Calls rtime_localtime()
* - Calls strlcpy 2x
* - Calls string_is_empty()
* - Calls strftime
* - Calls strlcat
*
* @return Length of the string copied into @out_path
**/
void fill_str_dated_filename(char *out_filename,
size_t fill_str_dated_filename(char *out_filename,
const char *in_str, const char *ext, size_t size);
/**
* fill_pathname_noext:
* @out_path : output path
* @in_path : input path
* @replace : what to replace
* @size : buffer size of output path
*
* Appends a filename extension 'replace' to 'in_path', and outputs
* result in 'out_path'.
*
* Assumes in_path has no extension. If an extension is still
* present in 'in_path', it will be ignored.
*
*/
size_t fill_pathname_noext(char *out_path, const char *in_path,
const char *replace, size_t size);
/**
* find_last_slash:
* @str : input path
* @str : path
* @size : size of path
*
* Gets a pointer to the last slash in the input path.
* Find last slash in path. Tries to find
* a backslash on Windows too which takes precedence
* over regular slash.
* Hidden non-leaf function cost:
* - calls strrchr
*
* Returns: a pointer to the last slash in the input path.
* @return pointer to last slash/backslash found in @str.
**/
char *find_last_slash(const char *str);
@ -288,6 +365,11 @@ char *find_last_slash(const char *str);
*
* E.g..: in_dir = "/tmp/some_dir", in_basename = "/some_content/foo.c",
* replace = ".asm" => in_dir = "/tmp/some_dir/foo.c.asm"
*
* Hidden non-leaf function cost:
* - Calls fill_pathname_slash()
* - Calls path_basename()
* - Calls strlcpy 2x
**/
size_t fill_pathname_dir(char *in_dir, const char *in_basename,
const char *replace, size_t size);
@ -299,16 +381,15 @@ size_t fill_pathname_dir(char *in_dir, const char *in_basename,
* @size : size of output path
*
* Copies basename of @in_path into @out_path.
*
* Hidden non-leaf function cost:
* - Calls path_basename()
* - Calls strlcpy
*
* @return length of the string copied into @out
**/
size_t fill_pathname_base(char *out_path, const char *in_path, size_t size);
void fill_pathname_base_noext(char *out_dir,
const char *in_path, size_t size);
size_t fill_pathname_base_ext(char *out,
const char *in_path, const char *ext,
size_t size);
/**
* fill_pathname_basedir:
* @out_dir : output directory
@ -318,12 +399,13 @@ size_t fill_pathname_base_ext(char *out,
* Copies base directory of @in_path into @out_path.
* If in_path is a path without any slashes (relative current directory),
* @out_path will get path "./".
*
* Hidden non-leaf function cost:
* - Calls strlcpy
* - Calls path_basedir()
**/
void fill_pathname_basedir(char *out_path, const char *in_path, size_t size);
void fill_pathname_basedir_noext(char *out_dir,
const char *in_path, size_t size);
/**
* fill_pathname_parent_dir_name:
* @out_dir : output directory
@ -332,7 +414,13 @@ void fill_pathname_basedir_noext(char *out_dir,
*
* Copies only the parent directory name of @in_dir into @out_dir.
* The two buffers must not overlap. Removes trailing '/'.
* Returns true on success, false if a slash was not found in the path.
*
* Hidden non-leaf function cost:
* - Calls strdup
* - Calls find_last_slash() x times
* - Can call strlcpy
*
* @return true on success, false if a slash was not found in the path.
**/
bool fill_pathname_parent_dir_name(char *out_dir,
const char *in_dir, size_t size);
@ -346,6 +434,11 @@ bool fill_pathname_parent_dir_name(char *out_dir,
* Copies parent directory of @in_dir into @out_dir.
* Assumes @in_dir is a directory. Keeps trailing '/'.
* If the path was already at the root directory, @out_dir will be an empty string.
*
* Hidden non-leaf function cost:
* - Can call strlcpy if (@out_dir != @in_dir)
* - Calls strlen if (@out_dir == @in_dir)
* - Calls path_parent_dir()
**/
void fill_pathname_parent_dir(char *out_dir,
const char *in_dir, size_t size);
@ -373,30 +466,51 @@ void fill_pathname_resolve_relative(char *out_path, const char *in_refpath,
* @size : size of output path
*
* Joins a directory (@dir) and path (@path) together.
* Makes sure not to get two consecutive slashes
* Makes sure not to get two consecutive slashes
* between directory and path.
*
* Hidden non-leaf function cost:
* - calls strlcpy at least once
* - calls fill_pathname_slash()
*
* Deprecated. Use fill_pathname_join_special() instead
* if you can ensure @dir != @out_path
*
* @return Length of the string copied into @out_path
**/
size_t fill_pathname_join(char *out_path, const char *dir,
const char *path, size_t size);
/**
* fill_pathname_join_special:
* @out_path : output path
* @dir : directory. Cannot be identical to @out_path
* @path : path
* @size : size of output path
*
*
* Specialized version of fill_pathname_join.
* Unlike fill_pathname_join(),
* @dir and @out_path CANNOT be identical.
*
* Joins a directory (@dir) and path (@path) together.
* Makes sure not to get two consecutive slashes
* between directory and path.
*
* Hidden non-leaf function cost:
* - calls strlcpy 2x
* - calls find_last_slash()
*
* @return Length of the string copied into @out_path
**/
size_t fill_pathname_join_special(char *out_path,
const char *dir, const char *path, size_t size);
size_t fill_pathname_join_special_ext(char *out_path,
const char *dir, const char *path,
const char *last, const char *ext,
size_t size);
size_t fill_pathname_join_concat_noext(char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size);
size_t fill_pathname_join_concat(char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size);
void fill_pathname_join_noext(char *out_path,
const char *dir, const char *path, size_t size);
/**
* fill_pathname_join_delim:
* @out_path : output path
@ -407,40 +521,58 @@ void fill_pathname_join_noext(char *out_path,
*
* Joins a directory (@dir) and path (@path) together
* using the given delimiter (@delim).
*
* Hidden non-leaf function cost:
* - can call strlen
* - can call strlcpy
* - can call strlcat
**/
size_t fill_pathname_join_delim(char *out_path, const char *dir,
const char *path, const char delim, size_t size);
size_t fill_pathname_join_delim_concat(char *out_path, const char *dir,
const char *path, const char delim, const char *concat,
size_t size);
size_t fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size);
size_t fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size);
/**
* fill_short_pathname_representation:
* @out_rep : output representation
* @in_path : input path
* @size : size of output representation
* fill_pathname_abbreviated_or_relative:
*
* Generates a short representation of path. It should only
* be used for displaying the result; the output representation is not
* binding in any meaningful way (for a normal path, this is the same as basename)
* In case of more complex URLs, this should cut everything except for
* the main image file.
* Fills the supplied path with either the abbreviated path or
* the relative path, which ever one has less depth / number of slashes
*
* If lengths of abbreviated and relative paths are the same,
* the relative path will be used
* @in_path can be an absolute, relative or abbreviated path
*
* E.g.: "/path/to/game.img" -> game.img
* "/path/to/myarchive.7z#folder/to/game.img" -> game.img
*/
size_t fill_short_pathname_representation(char* out_rep,
const char *in_path, size_t size);
* @return Length of the string copied into @out_path
**/
size_t fill_pathname_abbreviated_or_relative(char *out_path,
const char *in_refpath, const char *in_path, size_t size);
void fill_short_pathname_representation_noext(char* out_rep,
const char *in_path, size_t size);
/**
* pathname_conform_slashes_to_os:
*
* @path : path
*
* Leaf function.
*
* Changes the slashes to the correct kind for the os
* So forward slash on linux and backslash on Windows
**/
void pathname_conform_slashes_to_os(char *path);
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size);
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size);
/**
* pathname_make_slashes_portable:
* @path : path
*
* Leaf function.
*
* Change all slashes to forward so they are more
* portable between Windows and Linux
**/
void pathname_make_slashes_portable(char *path);
/**
* path_basedir:
@ -457,8 +589,8 @@ void path_basedir_wrapper(char *path);
*
* Checks if character (@c) is a slash.
*
* Returns: true (1) if character is a slash, otherwise false (0).
*/
* @return true if character is a slash, otherwise false.
**/
#ifdef _WIN32
#define PATH_CHAR_IS_SLASH(c) (((c) == '/') || ((c) == '\\'))
#else
@ -470,8 +602,8 @@ void path_basedir_wrapper(char *path);
*
* Gets the default slash separator.
*
* Returns: default slash separator.
*/
* @return default slash separator.
**/
#ifdef _WIN32
#define PATH_DEFAULT_SLASH() "\\"
#define PATH_DEFAULT_SLASH_C() '\\'
@ -487,8 +619,13 @@ void path_basedir_wrapper(char *path);
*
* Assumes path is a directory. Appends a slash
* if not already there.
* Hidden non-leaf function cost:
* - calls find_last_slash()
* - can call strlcat once if it returns false
* - calls strlen
**/
void fill_pathname_slash(char *path, size_t size);
size_t fill_pathname_slash(char *path, size_t size);
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
void fill_pathname_application_path(char *buf, size_t size);
@ -502,7 +639,16 @@ void fill_pathname_home_dir(char *buf, size_t size);
*
* Create directory on filesystem.
*
* Returns: true (1) if directory could be created, otherwise false (0).
* Recursive function.
*
* Hidden non-leaf function cost:
* - Calls strdup
* - Calls path_parent_dir()
* - Calls strcmp
* - Calls path_is_directory()
* - Calls path_mkdir()
*
* @return true if directory could be created, otherwise false.
**/
bool path_mkdir(const char *dir);
@ -512,10 +658,15 @@ bool path_mkdir(const char *dir);
*
* Checks if path is a directory.
*
* Returns: true (1) if path is a directory, otherwise false (0).
* @return true if path is a directory, otherwise false.
*/
bool path_is_directory(const char *path);
/* Time format strings with AM-PM designation require special
* handling due to platform dependence */
void strftime_am_pm(char *s, size_t len, const char* format,
const void* timeptr);
bool path_is_character_special(const char *path);
int path_stat(const char *path);

973
libretro-common/include/libretro.h
View File

File diff suppressed because it is too large Load Diff

2
libretro-common/include/memmap.h
View File

@ -26,7 +26,7 @@
#include <stdio.h>
#include <stdint.h>
#if defined(PSP) || defined(PS2) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU) || defined(SWITCH) || defined(HAVE_LIBNX)
#if defined(PSP) || defined(PS2) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU) || defined(SWITCH) || defined(HAVE_LIBNX) || defined(__PS3__) || defined(__PSL1GHT__)
/* No mman available */
#elif defined(_WIN32) && !defined(_XBOX)
#include <windows.h>

4
libretro-common/include/retro_assert.h
View File

@ -27,9 +27,7 @@
#ifdef RARCH_INTERNAL
#include <stdio.h>
#define retro_assert(cond) do { \
if (!(cond)) { printf("Assertion failed at %s:%d.\n", __FILE__, __LINE__); abort(); } \
} while(0)
#define retro_assert(cond) ((void)( (cond) || (printf("Assertion failed at %s:%d.\n", __FILE__, __LINE__), abort(), 0) ))
#else
#define retro_assert(cond) assert(cond)
#endif

20
libretro-common/include/retro_common_api.h
View File

@ -101,6 +101,26 @@ typedef int ssize_t;
#define STRING_REP_UINT64 "%" PRIu64
#define STRING_REP_USIZE "%" PRIuPTR
/* Wrap a declaration in RETRO_DEPRECATED() to produce a compiler warning when
it's used. This is intended for developer machines, so it won't work on ancient
or obscure compilers */
#if defined(_MSC_VER)
#if _MSC_VER >= 1400 /* Visual C 2005 or later */
#define RETRO_DEPRECATED(decl) __declspec(deprecated) decl
#endif
#elif defined(__GNUC__)
#if __GNUC__ >= 3 /* GCC 3 or later */
#define RETRO_DEPRECATED(decl) decl __attribute__((deprecated))
#endif
#elif defined(__clang__)
#if __clang_major__ >= 3 /* clang 3 or later */
#define RETRO_DEPRECATED(decl) decl __attribute__((deprecated))
#endif
#endif
#ifndef RETRO_DEPRECATED /* Unsupported compilers */
#define RETRO_DEPRECATED(decl) decl
#endif
/*
I would like to see retro_inline.h moved in here; possibly boolean too.

44
libretro-common/include/retro_miscellaneous.h
View File

@ -49,6 +49,10 @@
#include <compat/msvc.h>
#endif
#ifdef IOS
#include <sys/param.h>
#endif
static INLINE void bits_or_bits(uint32_t *a, uint32_t *b, uint32_t count)
{
uint32_t i;
@ -74,14 +78,29 @@ static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)
return false;
}
static INLINE bool bits_any_different(uint32_t *a, uint32_t *b, uint32_t count)
{
uint32_t i;
for (i = 0; i < count; i++)
{
if (a[i] != b[i])
return true;
}
return false;
}
#ifndef PATH_MAX_LENGTH
#if defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(PS2) || defined(GEKKO)|| defined(WIIU) || defined(ORBIS)
#if defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(PS2) || defined(GEKKO)|| defined(WIIU) || defined(__PSL1GHT__) || defined(__PS3__)
#define PATH_MAX_LENGTH 512
#else
#define PATH_MAX_LENGTH 4096
#endif
#endif
#ifndef NAME_MAX_LENGTH
#define NAME_MAX_LENGTH 256
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
@ -134,6 +153,16 @@ static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)
#define BIT256_GET_PTR(a, bit) BIT256_GET(*a, bit)
#define BIT256_CLEAR_ALL_PTR(a) BIT256_CLEAR_ALL(*a)
#define BIT512_SET(a, bit) BIT256_SET(a, bit)
#define BIT512_CLEAR(a, bit) BIT256_CLEAR(a, bit)
#define BIT512_GET(a, bit) BIT256_GET(a, bit)
#define BIT512_CLEAR_ALL(a) BIT256_CLEAR_ALL(a)
#define BIT512_SET_PTR(a, bit) BIT512_SET(*a, bit)
#define BIT512_CLEAR_PTR(a, bit) BIT512_CLEAR(*a, bit)
#define BIT512_GET_PTR(a, bit) BIT512_GET(*a, bit)
#define BIT512_CLEAR_ALL_PTR(a) BIT512_CLEAR_ALL(*a)
#define BITS_COPY16_PTR(a,bits) \
{ \
BIT128_CLEAR_ALL_PTR(a); \
@ -146,6 +175,13 @@ static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)
BITS_GET_ELEM_PTR(a, 0) = (bits); \
}
#define BITS_COPY64_PTR(a,bits) \
{ \
BIT128_CLEAR_ALL_PTR(a); \
BITS_GET_ELEM_PTR(a, 0) = (bits); \
BITS_GET_ELEM_PTR(a, 1) = (bits >> 32); \
}
/* Helper macros and struct to keep track of many booleans. */
/* This struct has 256 bits. */
typedef struct
@ -153,6 +189,12 @@ typedef struct
uint32_t data[8];
} retro_bits_t;
/* This struct has 512 bits. */
typedef struct
{
uint32_t data[16];
} retro_bits_512_t;
#ifdef _WIN32
# ifdef _WIN64
# define PRI_SIZET PRIu64

12
libretro-common/include/retro_stat.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2010-2015 The RetroArch team
/* Copyright (C) 2010-2016 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (retro_stat.h).
@ -26,11 +26,11 @@
#include <stdint.h>
#include <stddef.h>
#include <retro_common_api.h>
#include <boolean.h>
#ifdef __cplusplus
extern "C" {
#endif
RETRO_BEGIN_DECLS
/**
* path_is_directory:
@ -58,8 +58,6 @@ int32_t path_get_size(const char *path);
**/
bool mkdir_norecurse(const char *dir);
#ifdef __cplusplus
}
#endif
RETRO_END_DECLS
#endif

31
libretro-common/include/streams/file_stream.h
View File

@ -59,7 +59,7 @@ int64_t filestream_truncate(RFILE *stream, int64_t length);
* @bufsize : optional buffer size (-1 or 0 to use default)
*
* Opens a file for reading or writing, depending on the requested mode.
* Returns a pointer to an RFILE if opened successfully, otherwise NULL.
* @return A pointer to an RFILE if opened successfully, otherwise NULL.
**/
RFILE* filestream_open(const char *path, unsigned mode, unsigned hints);
@ -75,16 +75,39 @@ void filestream_rewind(RFILE *stream);
int filestream_close(RFILE *stream);
/**
* filestream_read_file:
* @path : path to file.
* @buf : buffer to allocate and read the contents of the
* file into. Needs to be freed manually.
* @len : optional output integer containing bytes read.
*
* Read the contents of a file into @buf.
*
* @return Non-zero on success.
*/
int64_t filestream_read_file(const char *path, void **buf, int64_t *len);
char* filestream_gets(RFILE *stream, char *s, size_t len);
int filestream_getc(RFILE *stream);
int filestream_vscanf(RFILE *stream, const char* format, va_list *args);
int filestream_scanf(RFILE *stream, const char* format, ...);
int filestream_eof(RFILE *stream);
/**
* filestream_write_file:
* @path : path to file.
* @data : contents to write to the file.
* @size : size of the contents.
*
* Writes data to a file.
*
* @return true on success, otherwise false.
**/
bool filestream_write_file(const char *path, const void *data, int64_t size);
int filestream_putc(RFILE *stream, int c);
@ -105,7 +128,11 @@ const char* filestream_get_path(RFILE *stream);
bool filestream_exists(const char *path);
/* Returned pointer must be freed by the caller. */
/**
* filestream_getline:
*
* Returned pointer must be freed by the caller.
**/
char* filestream_getline(RFILE *stream);
libretro_vfs_implementation_file* filestream_get_vfs_handle(RFILE *stream);

257
libretro-common/include/string/stdstring.h
View File

@ -44,20 +44,20 @@ RETRO_BEGIN_DECLS
#define string_is_not_equal_fast(a, b, size) (memcmp(a, b, size) != 0)
#define string_is_equal_fast(a, b, size) (memcmp(a, b, size) == 0)
#define TOLOWER(c) (c | (lr_char_props[c] & 0x20))
#define TOUPPER(c) (c & ~(lr_char_props[c] & 0x20))
#define TOLOWER(c) ((c) | (lr_char_props[(unsigned char)(c)] & 0x20))
#define TOUPPER(c) ((c) & ~(lr_char_props[(unsigned char)(c)] & 0x20))
/* C standard says \f \v are space, but this one disagrees */
#define ISSPACE(c) (lr_char_props[c] & 0x80)
#define ISSPACE(c) (lr_char_props[(unsigned char)(c)] & 0x80)
#define ISDIGIT(c) (lr_char_props[c] & 0x40)
#define ISALPHA(c) (lr_char_props[c] & 0x20)
#define ISLOWER(c) (lr_char_props[c] & 0x04)
#define ISUPPER(c) (lr_char_props[c] & 0x02)
#define ISALNUM(c) (lr_char_props[c] & 0x60)
#define ISUALPHA(c) (lr_char_props[c] & 0x28)
#define ISUALNUM(c) (lr_char_props[c] & 0x68)
#define IS_XDIGIT(c) (lr_char_props[c] & 0x01)
#define ISDIGIT(c) (lr_char_props[(unsigned char)(c)] & 0x40)
#define ISALPHA(c) (lr_char_props[(unsigned char)(c)] & 0x20)
#define ISLOWER(c) (lr_char_props[(unsigned char)(c)] & 0x04)
#define ISUPPER(c) (lr_char_props[(unsigned char)(c)] & 0x02)
#define ISALNUM(c) (lr_char_props[(unsigned char)(c)] & 0x60)
#define ISUALPHA(c) (lr_char_props[(unsigned char)(c)] & 0x28)
#define ISUALNUM(c) (lr_char_props[(unsigned char)(c)] & 0x68)
#define IS_XDIGIT(c) (lr_char_props[(unsigned char)(c)] & 0x01)
/* Deprecated alias, all callers should use string_is_equal_case_insensitive instead */
#define string_is_equal_noncase string_is_equal_case_insensitive
@ -92,16 +92,20 @@ static INLINE bool string_ends_with_size(const char *str, const char *suffix,
static INLINE bool string_ends_with(const char *str, const char *suffix)
{
if (!str || !suffix)
return false;
return string_ends_with_size(str, suffix, strlen(str), strlen(suffix));
return str && suffix && string_ends_with_size(str, suffix, strlen(str), strlen(suffix));
}
/* Returns the length of 'str' (c.f. strlen()), but only
/**
* strlen_size:
*
* Leaf function.
*
* @return the length of 'str' (c.f. strlen()), but only
* checks the first 'size' characters
* - If 'str' is NULL, returns 0
* - If 'str' is not NULL and no '\0' character is found
* in the first 'size' characters, returns 'size' */
* in the first 'size' characters, returns 'size'
**/
static INLINE size_t strlen_size(const char *str, size_t size)
{
size_t i = 0;
@ -130,32 +134,126 @@ static INLINE bool string_is_equal_case_insensitive(const char *a,
return (result == 0);
}
static INLINE bool string_starts_with_case_insensitive(const char *str,
const char *prefix)
{
int result = 0;
const unsigned char *p1 = (const unsigned char*)str;
const unsigned char *p2 = (const unsigned char*)prefix;
if (!str || !prefix)
return false;
if (p1 == p2)
return true;
while ((result = tolower (*p1++) - tolower (*p2)) == 0)
if (*p2++ == '\0')
break;
return (result == 0 || *p2 == '\0');
}
char *string_to_upper(char *s);
char *string_to_lower(char *s);
char *string_ucwords(char *s);
char *string_replace_substring(const char *in, const char *pattern,
const char *by);
char *string_replace_substring(const char *in,
const char *pattern, size_t pattern_len,
const char *replacement, size_t replacement_len);
/* Remove leading whitespaces */
/**
* string_trim_whitespace_left:
*
* Remove leading whitespaces
**/
char *string_trim_whitespace_left(char *const s);
/* Remove trailing whitespaces */
/**
* string_trim_whitespace_right:
*
* Remove trailing whitespaces
**/
char *string_trim_whitespace_right(char *const s);
/* Remove leading and trailing whitespaces */
/**
* string_trim_whitespace:
*
* Remove leading and trailing whitespaces
**/
char *string_trim_whitespace(char *const s);
/* max_lines == 0 means no limit */
char *word_wrap(char *buffer, const char *string,
int line_width, bool unicode, unsigned max_lines);
/**
* word_wrap:
* @dst : pointer to destination buffer.
* @dst_size : size of destination buffer.
* @src : pointer to input string.
* @src_len : length of @src
* @line_width : max number of characters per line.
* @wideglyph_width : not used, but is necessary to keep
* compatibility with word_wrap_wideglyph().
* @max_lines : max lines of destination string.
* 0 means no limit.
*
* Wraps string specified by 'src' to destination buffer
* specified by 'dst' and 'dst_size'.
* This function assumes that all glyphs in the string
* have an on-screen pixel width similar to that of
* regular Latin characters - i.e. it will not wrap
* correctly any text containing so-called 'wide' Unicode
* characters (e.g. CJK languages, emojis, etc.).
**/
size_t word_wrap(char *dst, size_t dst_size, const char *src, size_t src_len,
int line_width, int wideglyph_width, unsigned max_lines);
/* Splits string into tokens seperated by 'delim'
/**
* word_wrap_wideglyph:
* @dst : pointer to destination buffer.
* @dst_size : size of destination buffer.
* @src : pointer to input string.
* @src_len : length of @src
* @line_width : max number of characters per line.
* @wideglyph_width : effective width of 'wide' Unicode glyphs.
* the value here is normalised relative to the
* typical on-screen pixel width of a regular
* Latin character:
* - a regular Latin character is defined to
* have an effective width of 100
* - wideglyph_width = 100 * (wide_character_pixel_width / latin_character_pixel_width)
* - e.g. if 'wide' Unicode characters in 'src'
* have an on-screen pixel width twice that of
* regular Latin characters, wideglyph_width
* would be 200
* @max_lines : max lines of destination string.
* 0 means no limit.
*
* Wraps string specified by @src to destination buffer
* specified by @dst and @dst_size.
* This function assumes that all glyphs in the string
* are:
* - EITHER 'non-wide' Unicode glyphs, with an on-screen
* pixel width similar to that of regular Latin characters
* - OR 'wide' Unicode glyphs (e.g. CJK languages, emojis, etc.)
* with an on-screen pixel width defined by @wideglyph_width
* Note that wrapping may occur in inappropriate locations
* if @src string contains 'wide' Unicode characters whose
* on-screen pixel width deviates greatly from the set
* @wideglyph_width value.
**/
size_t word_wrap_wideglyph(
char *dst, size_t dst_size,
const char *src, size_t src_len,
int line_width, int wideglyph_width,
unsigned max_lines);
/**
* string_tokenize:
*
* Splits string into tokens seperated by @delim
* > Returned token string must be free()'d
* > Returns NULL if token is not found
* > After each call, 'str' is set to the position after the
* > After each call, @str is set to the position after the
* last found token
* > Tokens *include* empty strings
* Usage example:
@ -168,29 +266,120 @@ char *word_wrap(char *buffer, const char *string,
* free(token);
* token = NULL;
* }
*/
**/
char* string_tokenize(char **str, const char *delim);
/* Removes every instance of character 'c' from 'str' */
/**
* string_remove_all_chars:
* @str : input string (must be non-NULL, otherwise UB)
*
* Leaf function.
*
* Removes every instance of character @c from @str
**/
void string_remove_all_chars(char *str, char c);
/* Replaces every instance of character 'find' in 'str'
* with character 'replace' */
/**
* string_replace_all_chars:
* @str : input string (must be non-NULL, otherwise UB)
* @find : character to find
* @replace : character to replace @find with
*
* Hidden non-leaf function cost:
* - Calls strchr (in a loop)
*
* Replaces every instance of character @find in @str
* with character @replace
**/
void string_replace_all_chars(char *str, char find, char replace);
/* Converts string to unsigned integer.
* Returns 0 if string is invalid */
/**
* string_to_unsigned:
* @str : input string
*
* Converts string to unsigned integer.
*
* @return 0 if string is invalid, otherwise > 0
**/
unsigned string_to_unsigned(const char *str);
/* Converts hexadecimal string to unsigned integer.
/**
* string_hex_to_unsigned:
* @str : input string (must be non-NULL, otherwise UB)
*
* Converts hexadecimal string to unsigned integer.
* Handles optional leading '0x'.
* Returns 0 if string is invalid */
*
* @return 0 if string is invalid, otherwise > 0
**/
unsigned string_hex_to_unsigned(const char *str);
char *string_init(const char *src);
void string_set(char **string, const char *src);
/**
* string_count_occurrences_single_character:
*
* Leaf function.
*
* Get the total number of occurrences of character @c in @str.
*
* @return Total number of occurrences of character @c
*/
int string_count_occurrences_single_character(const char *str, char c);
/**
* string_replace_whitespace_with_single_character:
*
* Leaf function.
*
* Replaces all spaces with given character @c.
**/
void string_replace_whitespace_with_single_character(char *str, char c);
/**
* string_replace_multi_space_with_single_space:
*
* Leaf function.
*
* Replaces multiple spaces with a single space in a string.
**/
void string_replace_multi_space_with_single_space(char *str);
/**
* string_remove_all_whitespace:
*
* Leaf function.
*
* Remove all spaces from the given string.
**/
void string_remove_all_whitespace(char *str_trimmed, const char *str);
/* Retrieve the last occurance of the given character in a string. */
int string_index_last_occurance(const char *str, char c);
/**
* string_find_index_substring_string:
* @str : input string (must be non-NULL, otherwise UB)
* @substr : substring to find in @str
*
* Hidden non-leaf function cost:
* - Calls strstr
*
* Find the position of substring @substr in string @str.
**/
int string_find_index_substring_string(const char *str, const char *substr);
/**
* string_copy_only_ascii:
*
* Leaf function.
*
* Strips non-ASCII characters from a string.
**/
void string_copy_only_ascii(char *str_stripped, const char *str);
extern const unsigned char lr_char_props[256];
RETRO_END_DECLS

2
libretro-common/include/vfs/vfs.h
View File

@ -62,7 +62,7 @@ enum vfs_scheme
VFS_SCHEME_CDROM
};
#ifndef __WINRT__
#if !(defined(__WINRT__) && defined(__cplusplus_winrt))
#ifdef VFS_FRONTEND
struct retro_vfs_file_handle
#else

6
libretro-common/include/vfs/vfs_implementation.h
View File

@ -71,6 +71,12 @@ bool retro_vfs_dirent_is_dir_impl(libretro_vfs_implementation_dir *dirstream);
int retro_vfs_closedir_impl(libretro_vfs_implementation_dir *dirstream);
#ifdef __WINRT__
void uwp_set_acl(const wchar_t* path, const wchar_t* AccessString);
#endif
RETRO_END_DECLS
#endif

109
libretro-common/streams/file_stream.c
View File

@ -25,7 +25,6 @@
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <errno.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
@ -46,7 +45,6 @@ struct RFILE
{
struct retro_vfs_file_handle *hfile;
bool error_flag;
bool eof_flag;
};
static retro_vfs_get_path_t filestream_get_path_cb = NULL;
@ -109,18 +107,14 @@ bool filestream_exists(const char *path)
if (!path || !*path)
return false;
dummy = filestream_open(
if (!(dummy = filestream_open(
path,
RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!dummy)
RETRO_VFS_FILE_ACCESS_HINT_NONE)))
return false;
if (filestream_close(dummy) != 0)
if (dummy)
free(dummy);
free(dummy);
dummy = NULL;
return true;
@ -165,7 +159,7 @@ int64_t filestream_truncate(RFILE *stream, int64_t length)
* @hints :
*
* Opens a file for reading or writing, depending on the requested mode.
* Returns a pointer to an RFILE if opened successfully, otherwise NULL.
* @return A pointer to an RFILE if opened successfully, otherwise NULL.
**/
RFILE* filestream_open(const char *path, unsigned mode, unsigned hints)
{
@ -184,7 +178,6 @@ RFILE* filestream_open(const char *path, unsigned mode, unsigned hints)
output = (RFILE*)malloc(sizeof(RFILE));
output->error_flag = false;
output->eof_flag = false;
output->hfile = fp;
return output;
}
@ -221,12 +214,12 @@ int filestream_getc(RFILE *stream)
return EOF;
}
int filestream_scanf(RFILE *stream, const char* format, ...)
int filestream_vscanf(RFILE *stream, const char* format, va_list *args)
{
char buf[4096];
char subfmt[64];
va_list args;
const char * bufiter = buf;
va_list args_copy;
const char *bufiter = buf;
int ret = 0;
int64_t startpos = filestream_tell(stream);
int64_t maxlen = filestream_read(stream, buf, sizeof(buf)-1);
@ -236,7 +229,16 @@ int filestream_scanf(RFILE *stream, const char* format, ...)
buf[maxlen] = '\0';
va_start(args, format);
/* Have to copy the input va_list here
* > Calling va_arg() on 'args' directly would
* cause the va_list to have an indeterminate value
* in the function calling filestream_vscanf(),
* leading to unexpected behaviour */
#ifdef __va_copy
__va_copy(args_copy, *args);
#else
va_copy(args_copy, *args);
#endif
while (*format)
{
@ -302,7 +304,7 @@ int filestream_scanf(RFILE *stream, const char* format, ...)
}
else
{
int v = sscanf(bufiter, subfmt, va_arg(args, void*), &sublen);
int v = sscanf(bufiter, subfmt, va_arg(args_copy, void*), &sublen);
if (v == EOF)
return EOF;
if (v != 1)
@ -327,13 +329,23 @@ int filestream_scanf(RFILE *stream, const char* format, ...)
}
}
va_end(args);
filestream_seek(stream, startpos+(bufiter-buf),
va_end(args_copy);
filestream_seek(stream, startpos + (bufiter - buf),
RETRO_VFS_SEEK_POSITION_START);
return ret;
}
int filestream_scanf(RFILE *stream, const char* format, ...)
{
int result;
va_list vl;
va_start(vl, format);
result = filestream_vscanf(stream, format, &vl);
va_end(vl);
return result;
}
int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position)
{
int64_t output;
@ -348,14 +360,12 @@ int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position)
if (output == VFS_ERROR_RETURN_VALUE)
stream->error_flag = true;
stream->eof_flag = false;
return output;
}
int filestream_eof(RFILE *stream)
{
return stream->eof_flag;
return filestream_tell(stream) == filestream_get_size(stream) ? EOF : 0;
}
int64_t filestream_tell(RFILE *stream)
@ -380,7 +390,6 @@ void filestream_rewind(RFILE *stream)
return;
filestream_seek(stream, 0L, RETRO_VFS_SEEK_POSITION_START);
stream->error_flag = false;
stream->eof_flag = false;
}
int64_t filestream_read(RFILE *stream, void *s, int64_t len)
@ -395,8 +404,6 @@ int64_t filestream_read(RFILE *stream, void *s, int64_t len)
if (output == VFS_ERROR_RETURN_VALUE)
stream->error_flag = true;
if (output < len)
stream->eof_flag = true;
return output;
}
@ -494,9 +501,7 @@ int filestream_printf(RFILE *stream, const char* format, ...)
int filestream_error(RFILE *stream)
{
if (stream && stream->error_flag)
return 1;
return 0;
return (stream && stream->error_flag);
}
int filestream_close(RFILE *stream)
@ -521,10 +526,11 @@ int filestream_close(RFILE *stream)
* @path : path to file.
* @buf : buffer to allocate and read the contents of the
* file into. Needs to be freed manually.
* @len : optional output integer containing bytes read.
*
* Read the contents of a file into @buf.
*
* Returns: number of items read, -1 on error.
* @return Non-zero on success.
*/
int64_t filestream_read_file(const char *path, void **buf, int64_t *len)
{
@ -541,25 +547,20 @@ int64_t filestream_read_file(const char *path, void **buf, int64_t *len)
return 0;
}
content_buf_size = filestream_get_size(file);
if (content_buf_size < 0)
if ((content_buf_size = filestream_get_size(file)) < 0)
goto error;
content_buf = malloc((size_t)(content_buf_size + 1));
if (!content_buf)
if (!(content_buf = malloc((size_t)(content_buf_size + 1))))
goto error;
if ((int64_t)(uint64_t)(content_buf_size + 1) != (content_buf_size + 1))
goto error;
ret = filestream_read(file, content_buf, (int64_t)content_buf_size);
if (ret < 0)
if ((ret = filestream_read(file, content_buf, (int64_t)content_buf_size)) <
0)
goto error;
if (filestream_close(file) != 0)
if (file)
free(file);
free(file);
*buf = content_buf;
@ -573,9 +574,8 @@ int64_t filestream_read_file(const char *path, void **buf, int64_t *len)
return 1;
error:
if (file)
if (filestream_close(file) != 0)
free(file);
if (filestream_close(file) != 0)
free(file);
if (content_buf)
free(content_buf);
if (len)
@ -592,8 +592,8 @@ error:
*
* Writes data to a file.
*
* Returns: true (1) on success, false (0) otherwise.
*/
* @return true on success, otherwise false.
**/
bool filestream_write_file(const char *path, const void *data, int64_t size)
{
int64_t ret = 0;
@ -602,20 +602,18 @@ bool filestream_write_file(const char *path, const void *data, int64_t size)
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!file)
return false;
ret = filestream_write(file, data, size);
if (filestream_close(file) != 0)
if (file)
free(file);
if (ret != size)
return false;
return true;
free(file);
return (ret == size);
}
/* Returned pointer must be freed by the caller. */
char* filestream_getline(RFILE *stream)
/**
* filestream_getline:
*
* Returned pointer must be freed by the caller.
**/
char *filestream_getline(RFILE *stream)
{
char *newline_tmp = NULL;
size_t cur_size = 8;
@ -630,16 +628,15 @@ char* filestream_getline(RFILE *stream)
return NULL;
}
in = filestream_getc(stream);
in = filestream_getc(stream);
while (in != EOF && in != '\n')
{
if (idx == cur_size)
{
cur_size *= 2;
newline_tmp = (char*)realloc(newline, cur_size + 1);
if (!newline_tmp)
if (!(newline_tmp = (char*)realloc(newline, cur_size + 1)))
{
free(newline);
return NULL;

533
libretro-common/string/stdstring.c
View File

@ -22,7 +22,9 @@
#include <stdint.h>
#include <ctype.h>
#include <string.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include <encodings/utf.h>
@ -88,9 +90,11 @@ char *string_ucwords(char *s)
}
char *string_replace_substring(const char *in,
const char *pattern, const char *replacement)
const char *pattern, size_t pattern_len,
const char *replacement, size_t replacement_len)
{
size_t numhits, pattern_len, replacement_len, outlen;
size_t outlen;
size_t numhits = 0;
const char *inat = NULL;
const char *inprev = NULL;
char *out = NULL;
@ -101,9 +105,6 @@ char *string_replace_substring(const char *in,
if (!pattern || !replacement)
return strdup(in);
pattern_len = strlen(pattern);
replacement_len = strlen(replacement);
numhits = 0;
inat = in;
while ((inat = strstr(inat, pattern)))
@ -113,9 +114,8 @@ char *string_replace_substring(const char *in,
}
outlen = strlen(in) - pattern_len*numhits + replacement_len*numhits;
out = (char *)malloc(outlen+1);
if (!out)
if (!(out = (char *)malloc(outlen+1)))
return NULL;
outat = out;
@ -128,7 +128,7 @@ char *string_replace_substring(const char *in,
outat += inat-inprev;
memcpy(outat, replacement, replacement_len);
outat += replacement_len;
inat += pattern_len;
inat += pattern_len;
inprev = inat;
}
strcpy(outat, inprev);
@ -136,7 +136,11 @@ char *string_replace_substring(const char *in,
return out;
}
/* Remove leading whitespaces */
/**
* string_trim_whitespace_left:
*
* Remove leading whitespaces
**/
char *string_trim_whitespace_left(char *const s)
{
if (s && *s)
@ -157,7 +161,11 @@ char *string_trim_whitespace_left(char *const s)
return s;
}
/* Remove trailing whitespaces */
/**
* string_trim_whitespace_right:
*
* Remove trailing whitespaces
**/
char *string_trim_whitespace_right(char *const s)
{
if (s && *s)
@ -177,7 +185,11 @@ char *string_trim_whitespace_right(char *const s)
return s;
}
/* Remove leading and trailing whitespaces */
/**
* string_trim_whitespace:
*
* Remove leading and trailing whitespaces
**/
char *string_trim_whitespace(char *const s)
{
string_trim_whitespace_right(s); /* order matters */
@ -186,94 +198,249 @@ char *string_trim_whitespace(char *const s)
return s;
}
char *word_wrap(char* buffer, const char *string, int line_width, bool unicode, unsigned max_lines)
/**
* word_wrap:
* @dst : pointer to destination buffer.
* @dst_size : size of destination buffer.
* @src : pointer to input string.
* @line_width : max number of characters per line.
* @wideglyph_width : not used, but is necessary to keep
* compatibility with word_wrap_wideglyph().
* @max_lines : max lines of destination string.
* 0 means no limit.
*
* Wraps string specified by 'src' to destination buffer
* specified by 'dst' and 'dst_size'.
* This function assumes that all glyphs in the string
* have an on-screen pixel width similar to that of
* regular Latin characters - i.e. it will not wrap
* correctly any text containing so-called 'wide' Unicode
* characters (e.g. CJK languages, emojis, etc.).
**/
size_t word_wrap(
char *dst, size_t dst_size,
const char *src, size_t src_len,
int line_width, int wideglyph_width, unsigned max_lines)
{
unsigned i = 0;
unsigned len = (unsigned)strlen(string);
unsigned lines = 1;
char *last_space = NULL;
unsigned counter = 0;
unsigned lines = 1;
const char *src_end = src + src_len;
while (i < len)
/* Prevent buffer overflow */
if (dst_size < src_len + 1)
return 0;
/* Early return if src string length is less
* than line width */
if (src_len < (size_t)line_width)
return strlcpy(dst, src, dst_size);
while (*src != '\0')
{
unsigned counter;
int pos = (int)(&buffer[i] - buffer);
unsigned char_len = (unsigned)(utf8skip(src, 1) - src);
counter++;
/* copy string until the end of the line is reached */
for (counter = 1; counter <= (unsigned)line_width; counter++)
if (*src == ' ')
last_space = dst; /* Remember the location of the whitespace */
else if (*src == '\n')
{
const char *character;
unsigned char_len;
unsigned j = i;
/* If newlines embedded in the input,
* reset the index */
lines++;
counter = 0;
/* check if end of string reached */
if (i == len)
{
buffer[i] = 0;
return buffer;
}
/* Early return if remaining src string
* length is less than line width */
if (src_end - src <= line_width)
return strlcpy(dst, src, dst_size);
}
character = utf8skip(&string[i], 1);
char_len = (unsigned)(character - &string[i]);
while (char_len--)
*dst++ = *src++;
if (!unicode)
counter += char_len - 1;
do
{
buffer[i] = string[i];
char_len--;
i++;
} while (char_len);
/* check for newlines embedded in the original input
* and reset the index */
if (buffer[j] == '\n')
{
lines++;
counter = 1;
}
}
/* check for whitespace */
if (string[i] == ' ')
if (counter >= (unsigned)line_width)
{
if ((max_lines == 0 || lines < max_lines))
counter = 0;
if (last_space && (max_lines == 0 || lines < max_lines))
{
buffer[i] = '\n';
i++;
/* Replace nearest (previous) whitespace
* with newline character */
*last_space = '\n';
lines++;
src -= dst - last_space - 1;
dst = last_space + 1;
last_space = NULL;
/* Early return if remaining src string
* length is less than line width */
if (src_end - src < line_width)
return strlcpy(dst, src, dst_size);
}
}
else
{
int k;
/* check for nearest whitespace back in string */
for (k = i; k > 0; k--)
{
if (string[k] != ' ' || (max_lines != 0 && lines >= max_lines))
continue;
buffer[k] = '\n';
/* set string index back to character after this one */
i = k + 1;
lines++;
break;
}
if (&buffer[i] - buffer == pos)
return buffer;
}
}
buffer[i] = 0;
return buffer;
*dst = '\0';
return 0;
}
/* Splits string into tokens seperated by 'delim'
/**
* word_wrap_wideglyph:
* @dst : pointer to destination buffer.
* @dst_size : size of destination buffer.
* @src : pointer to input string.
* @line_width : max number of characters per line.
* @wideglyph_width : effective width of 'wide' Unicode glyphs.
* the value here is normalised relative to the
* typical on-screen pixel width of a regular
* Latin character:
* - a regular Latin character is defined to
* have an effective width of 100
* - wideglyph_width = 100 * (wide_character_pixel_width / latin_character_pixel_width)
* - e.g. if 'wide' Unicode characters in 'src'
* have an on-screen pixel width twice that of
* regular Latin characters, wideglyph_width
* would be 200
* @max_lines : max lines of destination string.
* 0 means no limit.
*
* Wraps string specified by @src to destination buffer
* specified by @dst and @dst_size.
* This function assumes that all glyphs in the string
* are:
* - EITHER 'non-wide' Unicode glyphs, with an on-screen
* pixel width similar to that of regular Latin characters
* - OR 'wide' Unicode glyphs (e.g. CJK languages, emojis, etc.)
* with an on-screen pixel width defined by @wideglyph_width
* Note that wrapping may occur in inappropriate locations
* if @src string contains 'wide' Unicode characters whose
* on-screen pixel width deviates greatly from the set
* @wideglyph_width value.
**/
size_t word_wrap_wideglyph(char *dst, size_t dst_size,
const char *src, size_t src_len, int line_width,
int wideglyph_width, unsigned max_lines)
{
char *lastspace = NULL;
char *lastwideglyph = NULL;
const char *src_end = src + src_len;
unsigned lines = 1;
/* 'line_width' means max numbers of characters per line,
* but this metric is only meaningful when dealing with
* 'regular' glyphs that have an on-screen pixel width
* similar to that of regular Latin characters.
* When handing so-called 'wide' Unicode glyphs, it is
* necessary to consider the actual on-screen pixel width
* of each character.
* In order to do this, we create a distinction between
* regular Latin 'non-wide' glyphs and 'wide' glyphs, and
* normalise all values relative to the on-screen pixel
* width of regular Latin characters:
* - Regular 'non-wide' glyphs have a normalised width of 100
* - 'line_width' is therefore normalised to 100 * (width_in_characters)
* - 'wide' glyphs have a normalised width of
* 100 * (wide_character_pixel_width / latin_character_pixel_width)
* - When a character is detected, the position in the current
* line is incremented by the regular normalised width of 100
* - If that character is then determined to be a 'wide'
* glyph, the position in the current line is further incremented
* by the difference between the normalised 'wide' and 'non-wide'
* width values */
unsigned counter_normalized = 0;
int line_width_normalized = line_width * 100;
int additional_counter_normalized = wideglyph_width - 100;
/* Early return if src string length is less
* than line width */
if (src_end - src < line_width)
return strlcpy(dst, src, dst_size);
while (*src != '\0')
{
unsigned char_len = (unsigned)(utf8skip(src, 1) - src);
counter_normalized += 100;
/* Prevent buffer overflow */
if (char_len >= dst_size)
break;
if (*src == ' ')
lastspace = dst; /* Remember the location of the whitespace */
else if (*src == '\n')
{
/* If newlines embedded in the input,
* reset the index */
lines++;
counter_normalized = 0;
/* Early return if remaining src string
* length is less than line width */
if (src_end - src <= line_width)
return strlcpy(dst, src, dst_size);
}
else if (char_len >= 3)
{
/* Remember the location of the first byte
* whose length as UTF-8 >= 3*/
lastwideglyph = dst;
counter_normalized += additional_counter_normalized;
}
dst_size -= char_len;
while (char_len--)
*dst++ = *src++;
if (counter_normalized >= (unsigned)line_width_normalized)
{
counter_normalized = 0;
if (max_lines != 0 && lines >= max_lines)
continue;
else if (lastwideglyph && (!lastspace || lastwideglyph > lastspace))
{
/* Insert newline character */
*lastwideglyph = '\n';
lines++;
src -= dst - lastwideglyph;
dst = lastwideglyph + 1;
lastwideglyph = NULL;
/* Early return if remaining src string
* length is less than line width */
if (src_end - src <= line_width)
return strlcpy(dst, src, dst_size);
}
else if (lastspace)
{
/* Replace nearest (previous) whitespace
* with newline character */
*lastspace = '\n';
lines++;
src -= dst - lastspace - 1;
dst = lastspace + 1;
lastspace = NULL;
/* Early return if remaining src string
* length is less than line width */
if (src_end - src < line_width)
return strlcpy(dst, src, dst_size);
}
}
}
*dst = '\0';
return 0;
}
/**
* string_tokenize:
*
* Splits string into tokens seperated by @delim
* > Returned token string must be free()'d
* > Returns NULL if token is not found
* > After each call, 'str' is set to the position after the
* > After each call, @str is set to the position after the
* last found token
* > Tokens *include* empty strings
* Usage example:
@ -286,7 +453,7 @@ char *word_wrap(char* buffer, const char *string, int line_width, bool unicode,
* free(token);
* token = NULL;
* }
*/
**/
char* string_tokenize(char **str, const char *delim)
{
/* Taken from https://codereview.stackexchange.com/questions/216956/strtok-function-thread-safe-supports-empty-tokens-doesnt-change-string# */
@ -299,25 +466,20 @@ char* string_tokenize(char **str, const char *delim)
if (!str || string_is_empty(delim))
return NULL;
str_ptr = *str;
/* Note: we don't check string_is_empty() here,
* empty strings are valid */
if (!str_ptr)
if (!(str_ptr = *str))
return NULL;
/* Search for delimiter */
delim_ptr = strstr(str_ptr, delim);
if (delim_ptr)
if ((delim_ptr = strstr(str_ptr, delim)))
token_len = delim_ptr - str_ptr;
else
token_len = strlen(str_ptr);
/* Allocate token string */
token = (char *)malloc((token_len + 1) * sizeof(char));
if (!token)
if (!(token = (char *)malloc((token_len + 1) * sizeof(char))))
return NULL;
/* Copy token */
@ -330,42 +492,53 @@ char* string_tokenize(char **str, const char *delim)
return token;
}
/* Removes every instance of character 'c' from 'str' */
/**
* string_remove_all_chars:
* @str : input string (must be non-NULL, otherwise UB)
*
* Leaf function.
*
* Removes every instance of character @c from @str
**/
void string_remove_all_chars(char *str, char c)
{
char *read_ptr = NULL;
char *write_ptr = NULL;
if (string_is_empty(str))
return;
read_ptr = str;
write_ptr = str;
char *read_ptr = str;
char *write_ptr = str;
while (*read_ptr != '\0')
{
*write_ptr = *read_ptr++;
write_ptr += (*write_ptr != c) ? 1 : 0;
if (*write_ptr != c)
write_ptr++;
}
*write_ptr = '\0';
}
/* Replaces every instance of character 'find' in 'str'
* with character 'replace' */
/**
* string_replace_all_chars:
* @str : input string (must be non-NULL, otherwise UB)
* @find : character to find
* @replace : character to replace @find with
*
* Replaces every instance of character @find in @str
* with character @replace
**/
void string_replace_all_chars(char *str, char find, char replace)
{
char *str_ptr = str;
if (string_is_empty(str))
return;
while ((str_ptr = strchr(str_ptr, find)))
*str_ptr++ = replace;
}
/* Converts string to unsigned integer.
* Returns 0 if string is invalid */
/**
* string_to_unsigned:
* @str : input string
*
* Converts string to unsigned integer.
*
* @return 0 if string is invalid, otherwise > 0
**/
unsigned string_to_unsigned(const char *str)
{
const char *ptr = NULL;
@ -382,27 +555,33 @@ unsigned string_to_unsigned(const char *str)
return (unsigned)strtoul(str, NULL, 10);
}
/* Converts hexadecimal string to unsigned integer.
/**
* string_hex_to_unsigned:
* @str : input string (must be non-NULL, otherwise UB)
*
* Converts hexadecimal string to unsigned integer.
* Handles optional leading '0x'.
* Returns 0 if string is invalid */
*
* @return 0 if string is invalid, otherwise > 0
**/
unsigned string_hex_to_unsigned(const char *str)
{
const char *hex_str = str;
const char *ptr = NULL;
size_t len;
if (string_is_empty(str))
return 0;
/* Remove leading '0x', if required */
len = strlen(str);
if (len >= 2)
if ((str[0] == '0') &&
((str[1] == 'x') || (str[1] == 'X')))
if (str[0] != '\0' && str[1] != '\0')
{
if ( (str[0] == '0') &&
((str[1] == 'x') ||
(str[1] == 'X')))
{
hex_str = str + 2;
if (string_is_empty(hex_str))
if (string_is_empty(hex_str))
return 0;
}
}
else
return 0;
/* Check for valid characters */
@ -414,3 +593,117 @@ unsigned string_hex_to_unsigned(const char *str)
return (unsigned)strtoul(hex_str, NULL, 16);
}
/**
* string_count_occurrences_single_character:
*
* Leaf function.
*
* Get the total number of occurrences of character @c in @str.
*
* @return Total number of occurrences of character @c
*/
int string_count_occurrences_single_character(const char *str, char c)
{
int count = 0;
for (; *str; str++)
if (*str == c)
count++;
return count;
}
/**
* string_replace_whitespace_with_single_character:
*
* Leaf function.
*
* Replaces all spaces with given character @c.
**/
void string_replace_whitespace_with_single_character(char *str, char c)
{
for (; *str; str++)
if (ISSPACE(*str))
*str = c;
}
/**
* string_replace_multi_space_with_single_space:
*
* Leaf function.
*
* Replaces multiple spaces with a single space in a string.
**/
void string_replace_multi_space_with_single_space(char *str)
{
char *str_trimmed = str;
bool prev_is_space = false;
bool curr_is_space = false;
for (; *str; str++)
{
curr_is_space = ISSPACE(*str);
if (prev_is_space && curr_is_space)
continue;
*str_trimmed++ = *str;
prev_is_space = curr_is_space;
}
*str_trimmed = '\0';
}
/**
* string_remove_all_whitespace:
*
* Leaf function.
*
* Remove all spaces from the given string.
**/
void string_remove_all_whitespace(char *str_trimmed, const char *str)
{
for (; *str; str++)
if (!ISSPACE(*str))
*str_trimmed++ = *str;
*str_trimmed = '\0';
}
/**
* Retrieve the last occurance of the given character in a string.
*/
int string_index_last_occurance(const char *str, char c)
{
const char *pos = strrchr(str, c);
if (pos)
return (int)(pos - str);
return -1;
}
/**
* string_find_index_substring_string:
* @str : input string (must be non-NULL, otherwise UB)
* @substr : substring to find in @str
*
* Find the position of substring @substr in string @str.
**/
int string_find_index_substring_string(const char *str, const char *substr)
{
const char *pos = strstr(str, substr);
if (pos)
return (int)(pos - str);
return -1;
}
/**
* string_copy_only_ascii:
*
* Leaf function.
*
* Strips non-ASCII characters from a string.
**/
void string_copy_only_ascii(char *str_stripped, const char *str)
{
for (; *str; str++)
if (*str > 0x1F && *str < 0x7F)
*str_stripped++ = *str;
*str_stripped = '\0';
}

3
libretro-common/time/rtime.c
View File

@ -22,7 +22,6 @@
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#include <retro_assert.h>
#include <stdlib.h>
#endif
@ -41,8 +40,6 @@ void rtime_init(void)
#ifdef HAVE_THREADS
if (!rtime_localtime_lock)
rtime_localtime_lock = slock_new();
retro_assert(rtime_localtime_lock);
#endif
}

614
libretro-common/vfs/vfs_implementation.c
View File

@ -26,7 +26,7 @@
#include <errno.h>
#include <sys/types.h>
#include <string/stdstring.h>
#include <string/stdstring.h> /* string_is_empty */
#ifdef HAVE_CONFIG_H
#include "config.h"
@ -57,10 +57,8 @@
# include <dirent.h>
# endif
# include <unistd.h>
# if defined(ORBIS)
# include <sys/fcntl.h>
# include <sys/dirent.h>
# include <orbisFile.h>
# if defined(WIIU)
# include <malloc.h>
# endif
#endif
@ -71,11 +69,6 @@
# include <psp2/io/fcntl.h>
# include <psp2/io/dirent.h>
# include <psp2/io/stat.h>
#elif defined(ORBIS)
# include <orbisFile.h>
# include <ps4link.h>
# include <sys/dirent.h>
# include <sys/fcntl.h>
#elif !defined(_WIN32)
# if defined(PSP)
# include <pspiofilemgr.h>
@ -121,15 +114,69 @@
#include <unistd.h>
#endif
#if defined(ORBIS)
#include <orbisFile.h>
#include <sys/fcntl.h>
#include <sys/dirent.h>
#endif
#if defined(PSP)
#include <pspkernel.h>
#endif
#if defined(__PS3__) || defined(__PSL1GHT__)
#define FS_SUCCEEDED 0
#define FS_TYPE_DIR 1
#ifdef __PSL1GHT__
#include <lv2/sysfs.h>
#ifndef O_RDONLY
#define O_RDONLY SYS_O_RDONLY
#endif
#ifndef O_WRONLY
#define O_WRONLY SYS_O_WRONLY
#endif
#ifndef O_CREAT
#define O_CREAT SYS_O_CREAT
#endif
#ifndef O_TRUNC
#define O_TRUNC SYS_O_TRUNC
#endif
#ifndef O_RDWR
#define O_RDWR SYS_O_RDWR
#endif
#else
#include <cell/cell_fs.h>
#ifndef O_RDONLY
#define O_RDONLY CELL_FS_O_RDONLY
#endif
#ifndef O_WRONLY
#define O_WRONLY CELL_FS_O_WRONLY
#endif
#ifndef O_CREAT
#define O_CREAT CELL_FS_O_CREAT
#endif
#ifndef O_TRUNC
#define O_TRUNC CELL_FS_O_TRUNC
#endif
#ifndef O_RDWR
#define O_RDWR CELL_FS_O_RDWR
#endif
#ifndef sysFsStat
#define sysFsStat cellFsStat
#endif
#ifndef sysFSDirent
#define sysFSDirent CellFsDirent
#endif
#ifndef sysFsOpendir
#define sysFsOpendir cellFsOpendir
#endif
#ifndef sysFsReaddir
#define sysFsReaddir cellFsReaddir
#endif
#ifndef sysFSDirent
#define sysFSDirent CellFsDirent
#endif
#ifndef sysFsClosedir
#define sysFsClosedir cellFsClosedir
#endif
#endif
#endif
#if defined(VITA)
#define FIO_S_ISDIR SCE_S_ISDIR
#endif
@ -155,7 +202,9 @@
#include <vfs/vfs_implementation.h>
#include <libretro.h>
#if defined(HAVE_MMAP)
#include <memmap.h>
#endif
#include <encodings/utf.h>
#include <compat/fopen_utf8.h>
#include <file/file_path.h>
@ -188,13 +237,6 @@ int64_t retro_vfs_file_seek_internal(
#ifdef ATLEAST_VC2005
/* VC2005 and up have a special 64-bit fseek */
return _fseeki64(stream->fp, offset, whence);
#elif defined(ORBIS)
{
int ret = orbisLseek(stream->fd, offset, whence);
if (ret < 0)
return -1;
return 0;
}
#elif defined(HAVE_64BIT_OFFSETS)
return fseeko(stream->fp, (off_t)offset, whence);
#else
@ -257,22 +299,9 @@ int64_t retro_vfs_file_seek_internal(
libretro_vfs_implementation_file *retro_vfs_file_open_impl(
const char *path, unsigned mode, unsigned hints)
{
#if defined(VFS_FRONTEND) || defined(HAVE_CDROM)
int path_len = (int)strlen(path);
#endif
#ifdef VFS_FRONTEND
const char *dumb_prefix = "vfsonly://";
size_t dumb_prefix_siz = STRLEN_CONST("vfsonly://");
int dumb_prefix_len = (int)dumb_prefix_siz;
#endif
#ifdef HAVE_CDROM
const char *cdrom_prefix = "cdrom://";
size_t cdrom_prefix_siz = STRLEN_CONST("cdrom://");
int cdrom_prefix_len = (int)cdrom_prefix_siz;
#endif
int flags = 0;
const char *mode_str = NULL;
libretro_vfs_implementation_file *stream =
libretro_vfs_implementation_file *stream =
(libretro_vfs_implementation_file*)
malloc(sizeof(*stream));
@ -294,9 +323,18 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
stream->scheme = VFS_SCHEME_NONE;
#ifdef VFS_FRONTEND
if (path_len >= dumb_prefix_len)
if (!memcmp(path, dumb_prefix, dumb_prefix_len))
path += dumb_prefix_siz;
if ( path
&& path[0] == 'v'
&& path[1] == 'f'
&& path[2] == 's'
&& path[3] == 'o'
&& path[4] == 'n'
&& path[5] == 'l'
&& path[6] == 'y'
&& path[7] == ':'
&& path[8] == '/'
&& path[9] == '/')
path += sizeof("vfsonly://")-1;
#endif
#ifdef HAVE_CDROM
@ -313,13 +351,19 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
stream->cdrom.last_frame[0] = '\0';
stream->cdrom.last_frame_valid = false;
if (path_len > cdrom_prefix_len)
if ( path
&& path[0] == 'c'
&& path[1] == 'd'
&& path[2] == 'r'
&& path[3] == 'o'
&& path[4] == 'm'
&& path[5] == ':'
&& path[6] == '/'
&& path[7] == '/'
&& path[8] != '\0')
{
if (!memcmp(path, cdrom_prefix, cdrom_prefix_len))
{
path += cdrom_prefix_siz;
stream->scheme = VFS_SCHEME_CDROM;
}
path += sizeof("cdrom://")-1;
stream->scheme = VFS_SCHEME_CDROM;
}
#endif
@ -347,24 +391,20 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
mode_str = "wb";
flags = O_WRONLY | O_CREAT | O_TRUNC;
#if !defined(ORBIS)
#if !defined(_WIN32)
flags |= S_IRUSR | S_IWUSR;
#else
flags |= O_BINARY;
#endif
#endif
break;
case RETRO_VFS_FILE_ACCESS_READ_WRITE:
mode_str = "w+b";
flags = O_RDWR | O_CREAT | O_TRUNC;
#if !defined(ORBIS)
#if !defined(_WIN32)
flags |= S_IRUSR | S_IWUSR;
#else
flags |= O_BINARY;
#endif
#endif
break;
@ -373,12 +413,10 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
mode_str = "r+b";
flags = O_RDWR;
#if !defined(ORBIS)
#if !defined(_WIN32)
flags |= S_IRUSR | S_IWUSR;
#else
flags |= O_BINARY;
#endif
#endif
break;
@ -388,15 +426,6 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
{
#ifdef ORBIS
int fd = orbisOpen(path, flags, 0644);
if (fd < 0)
{
stream->fd = -1;
goto error;
}
stream->fd = fd;
#else
FILE *fp;
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
@ -413,25 +442,24 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
else
#endif
{
fp = (FILE*)fopen_utf8(path, mode_str);
if (!fp)
if (!(fp = (FILE*)fopen_utf8(path, mode_str)))
goto error;
stream->fp = fp;
}
/* Regarding setvbuf:
*
* https://www.freebsd.org/cgi/man.cgi?query=setvbuf&apropos=0&sektion=0&manpath=FreeBSD+11.1-RELEASE&arch=default&format=html
*
* If the size argument is not zero but buf is NULL,
* If the size argument is not zero but buf is NULL,
* a buffer of the given size will be allocated immediately, and
* released on close. This is an extension to ANSI C.
*
* Since C89 does not support specifying a NULL buffer
* Since C89 does not support specifying a NULL buffer
* with a non-zero size, we create and track our own buffer for it.
*/
/* TODO: this is only useful for a few platforms,
/* TODO: this is only useful for a few platforms,
* find which and add ifdef */
#if defined(_3DS)
if (stream->scheme != VFS_SCHEME_CDROM)
@ -440,14 +468,17 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
if (stream->fp)
setvbuf(stream->fp, stream->buf, _IOFBF, 0x10000);
}
#elif !defined(PSP)
#elif defined(WIIU)
if (stream->scheme != VFS_SCHEME_CDROM)
{
const int bufsize = 128 * 1024;
stream->buf = (char*)memalign(0x40, bufsize);
if (stream->fp)
setvbuf(stream->fp, stream->buf, _IOFBF, bufsize);
stream->buf = (char*)calloc(1, 0x4000);
if (stream->fp)
setvbuf(stream->fp, stream->buf, _IOFBF, 0x4000);
}
#endif
#endif
}
else
@ -483,18 +514,12 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
retro_vfs_file_seek_internal(stream, 0, SEEK_SET);
stream->mapped = (uint8_t*)mmap((void*)0,
stream->mapsize, PROT_READ, MAP_SHARED, stream->fd, 0);
if (stream->mapped == MAP_FAILED)
if ((stream->mapped = (uint8_t*)mmap((void*)0,
stream->mapsize, PROT_READ, MAP_SHARED, stream->fd, 0)) == MAP_FAILED)
stream->hints &= ~RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS;
}
#endif
}
#ifdef ORBIS
stream->size = orbisLseek(stream->fd, 0, SEEK_END);
orbisLseek(stream->fd, 0, SEEK_SET);
#else
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
{
@ -515,7 +540,6 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(
retro_vfs_file_seek_internal(stream, 0, SEEK_SET);
}
#endif
return stream;
error:
@ -550,14 +574,7 @@ int retro_vfs_file_close_impl(libretro_vfs_implementation_file *stream)
}
if (stream->fd > 0)
{
#ifdef ORBIS
orbisClose(stream->fd);
stream->fd = -1;
#else
close(stream->fd);
#endif
}
#ifdef HAVE_CDROM
end:
if (stream->cdrom.cue_buf)
@ -580,12 +597,7 @@ int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream)
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_error_cdrom(stream);
#endif
#ifdef ORBIS
/* TODO/FIXME - implement this? */
return 0;
#else
return ferror(stream->fp);
#endif
}
int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
@ -597,18 +609,20 @@ int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
int64_t retro_vfs_file_truncate_impl(libretro_vfs_implementation_file *stream, int64_t length)
{
if (!stream)
return -1;
#ifdef _WIN32
if (_chsize(_fileno(stream->fp), length) != 0)
return -1;
if (stream && _chsize(_fileno(stream->fp), length) == 0)
{
stream->size = length;
return 0;
}
#elif !defined(VITA) && !defined(PSP) && !defined(PS2) && !defined(ORBIS) && (!defined(SWITCH) || defined(HAVE_LIBNX))
if (ftruncate(fileno(stream->fp), (off_t)length) != 0)
return -1;
if (stream && ftruncate(fileno(stream->fp), (off_t)length) == 0)
{
stream->size = length;
return 0;
}
#endif
return 0;
return -1;
}
int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
@ -622,14 +636,6 @@ int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_tell_cdrom(stream);
#endif
#ifdef ORBIS
{
int64_t ret = orbisLseek(stream->fd, 0, SEEK_CUR);
if (ret < 0)
return -1;
return ret;
}
#else
#ifdef ATLEAST_VC2005
/* VC2005 and up have a special 64-bit ftell */
return _ftelli64(stream->fp);
@ -637,13 +643,12 @@ int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
return ftello(stream->fp);
#else
return ftell(stream->fp);
#endif
#endif
}
#ifdef HAVE_MMAP
/* Need to check stream->mapped because this function
* is called in filestream_open() */
if (stream->mapped && stream->hints &
if (stream->mapped && stream->hints &
RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
return stream->mappos;
#endif
@ -656,21 +661,7 @@ int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
int64_t retro_vfs_file_seek_impl(libretro_vfs_implementation_file *stream,
int64_t offset, int seek_position)
{
int whence = -1;
switch (seek_position)
{
case RETRO_VFS_SEEK_POSITION_START:
whence = SEEK_SET;
break;
case RETRO_VFS_SEEK_POSITION_CURRENT:
whence = SEEK_CUR;
break;
case RETRO_VFS_SEEK_POSITION_END:
whence = SEEK_END;
break;
}
return retro_vfs_file_seek_internal(stream, offset, whence);
return retro_vfs_file_seek_internal(stream, offset, seek_position);
}
int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
@ -685,13 +676,7 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_read_cdrom(stream, s, len);
#endif
#ifdef ORBIS
if (orbisRead(stream->fd, s, (size_t)len) < 0)
return -1;
return 0;
#else
return fread(s, 1, (size_t)len, stream->fp);
#endif
}
#ifdef HAVE_MMAP
if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
@ -714,83 +699,80 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
int64_t retro_vfs_file_write_impl(libretro_vfs_implementation_file *stream, const void *s, uint64_t len)
{
int64_t pos = 0;
ssize_t result = -1;
if (!stream)
return -1;
if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
{
#ifdef ORBIS
if (orbisWrite(stream->fd, s, (size_t)len) < 0)
return -1;
return 0;
#else
return fwrite(s, 1, (size_t)len, stream->fp);
#endif
}
pos = retro_vfs_file_tell_impl(stream);
result = fwrite(s, 1, (size_t)len, stream->fp);
if (result != -1 && pos + result > stream->size)
stream->size = pos + result;
return result;
}
#ifdef HAVE_MMAP
if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
return -1;
#endif
return write(stream->fd, s, (size_t)len);
pos = retro_vfs_file_tell_impl(stream);
result = write(stream->fd, s, (size_t)len);
if (result != -1 && pos + result > stream->size)
stream->size = pos + result;
return result;
}
int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream)
{
if (!stream)
return -1;
#ifdef ORBIS
return 0;
#else
return fflush(stream->fp) == 0 ? 0 : -1;
#endif
if (stream && fflush(stream->fp) == 0)
return 0;
return -1;
}
int retro_vfs_file_remove_impl(const char *path)
{
if (path && *path)
{
int ret = -1;
#if defined(_WIN32) && !defined(_XBOX)
/* Win32 (no Xbox) */
/* Win32 (no Xbox) */
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
char *path_local = NULL;
char *path_local = NULL;
if ((path_local = utf8_to_local_string_alloc(path)))
{
/* We need to check if path is a directory */
if ((retro_vfs_stat_impl(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0)
ret = _rmdir(path_local);
else
ret = remove(path_local);
free(path_local);
}
#else
wchar_t *path_wide = NULL;
wchar_t *path_wide = NULL;
if ((path_wide = utf8_to_utf16_string_alloc(path)))
{
/* We need to check if path is a directory */
if ((retro_vfs_stat_impl(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0)
ret = _wrmdir(path_wide);
else
ret = _wremove(path_wide);
free(path_wide);
}
#endif
#else
ret = remove(path);
#endif
if (!path || !*path)
return -1;
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
path_local = utf8_to_local_string_alloc(path);
if (path_local)
{
int ret = remove(path_local);
free(path_local);
if (ret == 0)
return 0;
}
#else
path_wide = utf8_to_utf16_string_alloc(path);
if (path_wide)
{
int ret = _wremove(path_wide);
free(path_wide);
if (ret == 0)
return 0;
}
#endif
return -1;
#elif defined(ORBIS)
/* Orbis
* TODO/FIXME - stub for now */
return 0;
#else
if (remove(path) == 0)
return 0;
return -1;
#endif
}
int retro_vfs_file_rename_impl(const char *old_path, const char *new_path)
@ -842,13 +824,6 @@ int retro_vfs_file_rename_impl(const char *old_path, const char *new_path)
#endif
return ret;
#elif defined(ORBIS)
/* Orbis */
/* TODO/FIXME - Stub for now */
if (!old_path || !*old_path || !new_path || !*new_path)
return -1;
return 0;
#else
/* Every other platform */
if (!old_path || !*old_path || !new_path || !*new_path)
@ -868,141 +843,123 @@ const char *retro_vfs_file_get_path_impl(
int retro_vfs_stat_impl(const char *path, int32_t *size)
{
bool is_dir = false;
bool is_character_special = false;
#if defined(VITA) || defined(PSP)
/* Vita / PSP */
SceIoStat buf;
int dir_ret;
char *tmp = NULL;
size_t len = 0;
int ret = RETRO_VFS_STAT_IS_VALID;
if (!path || !*path)
return 0;
{
#if defined(VITA)
/* Vita / PSP */
SceIoStat stat_buf;
int dir_ret;
char *tmp = strdup(path);
size_t len = strlen(tmp);
if (tmp[len-1] == '/')
tmp[len-1] = '\0';
tmp = strdup(path);
len = strlen(tmp);
if (tmp[len-1] == '/')
tmp[len-1] = '\0';
dir_ret = sceIoGetstat(tmp, &stat_buf);
free(tmp);
if (dir_ret < 0)
return 0;
dir_ret = sceIoGetstat(tmp, &buf);
free(tmp);
if (dir_ret < 0)
return 0;
if (size)
*size = (int32_t)stat_buf.st_size;
if (size)
*size = (int32_t)buf.st_size;
if (FIO_S_ISDIR(stat_buf.st_mode))
ret |= RETRO_VFS_STAT_IS_DIRECTORY;
#elif defined(__PSL1GHT__) || defined(__PS3__)
/* Lowlevel Lv2 */
sysFSStat stat_buf;
is_dir = FIO_S_ISDIR(buf.st_mode);
#elif defined(ORBIS)
/* Orbis */
int dir_ret = 0;
if (sysFsStat(path, &stat_buf) < 0)
return 0;
if (!path || !*path)
return 0;
if (size)
*size = (int32_t)stat_buf.st_size;
if (size)
*size = (int32_t)buf.st_size;
dir_ret = orbisDopen(path);
is_dir = dir_ret > 0;
orbisDclose(dir_ret);
is_character_special = S_ISCHR(buf.st_mode);
if ((stat_buf.st_mode & S_IFMT) == S_IFDIR)
ret |= RETRO_VFS_STAT_IS_DIRECTORY;
#elif defined(_WIN32)
/* Windows */
DWORD file_info;
struct _stat buf;
/* Windows */
struct _stat stat_buf;
#if defined(LEGACY_WIN32)
char *path_local = NULL;
char *path_local = utf8_to_local_string_alloc(path);
DWORD file_info = GetFileAttributes(path_local);
if (!string_is_empty(path_local))
_stat(path_local, &stat_buf);
if (path_local)
free(path_local);
#else
wchar_t *path_wide = NULL;
wchar_t *path_wide = utf8_to_utf16_string_alloc(path);
DWORD file_info = GetFileAttributesW(path_wide);
_wstat(path_wide, &stat_buf);
if (path_wide)
free(path_wide);
#endif
if (file_info == INVALID_FILE_ATTRIBUTES)
return 0;
if (!path || !*path)
return 0;
#if defined(LEGACY_WIN32)
path_local = utf8_to_local_string_alloc(path);
file_info = GetFileAttributes(path_local);
if (!string_is_empty(path_local))
_stat(path_local, &buf);
if (path_local)
free(path_local);
#else
path_wide = utf8_to_utf16_string_alloc(path);
file_info = GetFileAttributesW(path_wide);
_wstat(path_wide, &buf);
if (path_wide)
free(path_wide);
#endif
if (file_info == INVALID_FILE_ATTRIBUTES)
return 0;
if (size)
*size = (int32_t)buf.st_size;
is_dir = (file_info & FILE_ATTRIBUTE_DIRECTORY);
if (size)
*size = (int32_t)stat_buf.st_size;
if (file_info & FILE_ATTRIBUTE_DIRECTORY)
ret |= RETRO_VFS_STAT_IS_DIRECTORY;
#elif defined(GEKKO)
/* On GEKKO platforms, paths cannot have
* trailing slashes - we must therefore
* remove them */
char *path_buf = NULL;
int stat_ret = -1;
struct stat stat_buf;
size_t len;
/* On GEKKO platforms, paths cannot have
* trailing slashes - we must therefore
* remove them */
size_t len;
char *path_buf = NULL;
struct stat stat_buf;
if (string_is_empty(path))
return 0;
if (!(path_buf = strdup(path)))
return 0;
path_buf = strdup(path);
if (!path_buf)
return 0;
if ((len = strlen(path_buf)) > 0)
if (path_buf[len - 1] == '/')
path_buf[len - 1] = '\0';
len = strlen(path_buf);
if (len > 0)
if (path_buf[len - 1] == '/')
path_buf[len - 1] = '\0';
if (stat(path_buf, &stat_buf) < 0)
{
free(path_buf);
return 0;
}
stat_ret = stat(path_buf, &stat_buf);
free(path_buf);
if (stat_ret < 0)
return 0;
if (size)
*size = (int32_t)stat_buf.st_size;
is_dir = S_ISDIR(stat_buf.st_mode);
is_character_special = S_ISCHR(stat_buf.st_mode);
free(path_buf);
if (size)
*size = (int32_t)stat_buf.st_size;
if (S_ISDIR(stat_buf.st_mode))
ret |= RETRO_VFS_STAT_IS_DIRECTORY;
if (S_ISCHR(stat_buf.st_mode))
ret |= RETRO_VFS_STAT_IS_CHARACTER_SPECIAL;
#else
/* Every other platform */
struct stat buf;
/* Every other platform */
struct stat stat_buf;
if (!path || !*path)
return 0;
if (stat(path, &buf) < 0)
return 0;
if (stat(path, &stat_buf) < 0)
return 0;
if (size)
*size = (int32_t)buf.st_size;
if (size)
*size = (int32_t)stat_buf.st_size;
is_dir = S_ISDIR(buf.st_mode);
is_character_special = S_ISCHR(buf.st_mode);
if (S_ISDIR(stat_buf.st_mode))
ret |= RETRO_VFS_STAT_IS_DIRECTORY;
if (S_ISCHR(stat_buf.st_mode))
ret |= RETRO_VFS_STAT_IS_CHARACTER_SPECIAL;
#endif
return RETRO_VFS_STAT_IS_VALID | (is_dir ? RETRO_VFS_STAT_IS_DIRECTORY : 0) | (is_character_special ? RETRO_VFS_STAT_IS_CHARACTER_SPECIAL : 0);
}
return ret;
}
#if defined(VITA)
#define path_mkdir_error(ret) (((ret) == SCE_ERROR_ERRNO_EEXIST))
#elif defined(PSP) || defined(PS2) || defined(_3DS) || defined(WIIU) || defined(SWITCH) || defined(ORBIS)
#elif defined(PSP) || defined(PS2) || defined(_3DS) || defined(WIIU) || defined(SWITCH)
#define path_mkdir_error(ret) ((ret) == -1)
#else
#define path_mkdir_error(ret) ((ret) < 0 && errno == EEXIST)
@ -1025,13 +982,11 @@ int retro_vfs_mkdir_impl(const char *dir)
#endif
#elif defined(IOS)
int ret = mkdir(dir, 0755);
#elif defined(VITA) || defined(PSP)
#elif defined(VITA)
int ret = sceIoMkdir(dir, 0777);
#elif defined(ORBIS)
int ret = orbisMkdir(dir, 0755);
#elif defined(__QNX__)
int ret = mkdir(dir, 0777);
#elif defined(GEKKO)
#elif defined(GEKKO) || defined(WIIU)
/* On GEKKO platforms, mkdir() fails if
* the path has a trailing slash. We must
* therefore remove it. */
@ -1078,12 +1033,13 @@ struct libretro_vfs_implementation_dir
HANDLE directory;
bool next;
char path[PATH_MAX_LENGTH];
#elif defined(VITA) || defined(PSP)
#elif defined(VITA)
SceUID directory;
SceIoDirent entry;
#elif defined(ORBIS)
#elif defined(__PSL1GHT__) || defined(__PS3__)
int error;
int directory;
struct dirent entry;
sysFSDirent entry;
#else
DIR *directory;
const struct dirent *entry;
@ -1094,8 +1050,10 @@ static bool dirent_check_error(libretro_vfs_implementation_dir *rdir)
{
#if defined(_WIN32)
return (rdir->directory == INVALID_HANDLE_VALUE);
#elif defined(VITA) || defined(PSP) || defined(ORBIS)
#elif defined(VITA) || defined(ORBIS)
return (rdir->directory < 0);
#elif defined(__PSL1GHT__) || defined(__PS3__)
return (rdir->error != FS_SUCCEEDED);
#else
return !(rdir->directory);
#endif
@ -1105,7 +1063,6 @@ libretro_vfs_implementation_dir *retro_vfs_opendir_impl(
const char *name, bool include_hidden)
{
#if defined(_WIN32)
unsigned path_len;
char path_buf[1024];
size_t copied = 0;
#if defined(LEGACY_WIN32)
@ -1116,28 +1073,25 @@ libretro_vfs_implementation_dir *retro_vfs_opendir_impl(
#endif
libretro_vfs_implementation_dir *rdir;
/*Reject null or empty string paths*/
/* Reject NULL or empty string paths*/
if (!name || (*name == 0))
return NULL;
/*Allocate RDIR struct. Tidied later with retro_closedir*/
rdir = (libretro_vfs_implementation_dir*)calloc(1, sizeof(*rdir));
if (!rdir)
if (!(rdir = (libretro_vfs_implementation_dir*)
calloc(1, sizeof(*rdir))))
return NULL;
rdir->orig_path = strdup(name);
#if defined(_WIN32)
path_buf[0] = '\0';
path_len = strlen(name);
copied = strlcpy(path_buf, name, sizeof(path_buf));
/* Non-NT platforms don't like extra slashes in the path */
if (name[path_len - 1] != '\\')
path_buf[copied++] = '\\';
if (path_buf[copied - 1] != '\\')
path_buf [copied++] = '\\';
path_buf[copied] = '*';
path_buf[copied ] = '*';
path_buf[copied+1] = '\0';
#if defined(LEGACY_WIN32)
@ -1154,13 +1108,13 @@ libretro_vfs_implementation_dir *retro_vfs_opendir_impl(
free(path_wide);
#endif
#elif defined(VITA) || defined(PSP)
#elif defined(VITA)
rdir->directory = sceIoDopen(name);
#elif defined(_3DS)
rdir->directory = !string_is_empty(name) ? opendir(name) : NULL;
rdir->entry = NULL;
#elif defined(ORBIS)
rdir->directory = orbisDopen(name);
#elif defined(__PSL1GHT__) || defined(__PS3__)
rdir->error = sysFsOpendir(name, &rdir->directory);
#else
rdir->directory = opendir(name);
rdir->entry = NULL;
@ -1192,10 +1146,12 @@ bool retro_vfs_readdir_impl(libretro_vfs_implementation_dir *rdir)
rdir->next = true;
return (rdir->directory != INVALID_HANDLE_VALUE);
#elif defined(VITA) || defined(PSP)
#elif defined(VITA)
return (sceIoDread(rdir->directory, &rdir->entry) > 0);
#elif defined(ORBIS)
return (orbisDread(rdir->directory, &rdir->entry) > 0);
#elif defined(__PSL1GHT__) || defined(__PS3__)
uint64_t nread;
rdir->error = sysFsReaddir(rdir->directory, &rdir->entry, &nread);
return (nread != 0);
#else
return ((rdir->entry = readdir(rdir->directory)) != NULL);
#endif
@ -1214,7 +1170,7 @@ const char *retro_vfs_dirent_get_name_impl(libretro_vfs_implementation_dir *rdir
if (name)
free(name);
return (char*)rdir->entry.cFileName;
#elif defined(VITA) || defined(PSP) || defined(ORBIS)
#elif defined(VITA) || defined(__PSL1GHT__) || defined(__PS3__)
return rdir->entry.d_name;
#else
if (!rdir || !rdir->entry)
@ -1228,19 +1184,12 @@ bool retro_vfs_dirent_is_dir_impl(libretro_vfs_implementation_dir *rdir)
#if defined(_WIN32)
const WIN32_FIND_DATA *entry = (const WIN32_FIND_DATA*)&rdir->entry;
return entry->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
#elif defined(PSP) || defined(VITA)
const SceIoDirent *entry = (const SceIoDirent*)&rdir->entry;
#if defined(PSP)
return (entry->d_stat.st_attr & FIO_SO_IFDIR) == FIO_SO_IFDIR;
#elif defined(VITA)
const SceIoDirent *entry = (const SceIoDirent*)&rdir->entry;
return SCE_S_ISDIR(entry->d_stat.st_mode);
#endif
#elif defined(ORBIS)
const struct dirent *entry = &rdir->entry;
if (entry->d_type == DT_DIR)
return true;
if (!(entry->d_type == DT_UNKNOWN || entry->d_type == DT_LNK))
return false;
#elif defined(__PSL1GHT__) || defined(__PS3__)
sysFSDirent *entry = (sysFSDirent*)&rdir->entry;
return (entry->d_type == FS_TYPE_DIR);
#else
struct stat buf;
char path[PATH_MAX_LENGTH];
@ -1253,8 +1202,7 @@ bool retro_vfs_dirent_is_dir_impl(libretro_vfs_implementation_dir *rdir)
return false;
#endif
/* dirent struct doesn't have d_type, do it the slow way ... */
path[0] = '\0';
fill_pathname_join(path, rdir->orig_path, retro_vfs_dirent_get_name_impl(rdir), sizeof(path));
fill_pathname_join_special(path, rdir->orig_path, retro_vfs_dirent_get_name_impl(rdir), sizeof(path));
if (stat(path, &buf) < 0)
return false;
return S_ISDIR(buf.st_mode);
@ -1269,10 +1217,10 @@ int retro_vfs_closedir_impl(libretro_vfs_implementation_dir *rdir)
#if defined(_WIN32)
if (rdir->directory != INVALID_HANDLE_VALUE)
FindClose(rdir->directory);
#elif defined(VITA) || defined(PSP)
#elif defined(VITA)
sceIoDclose(rdir->directory);
#elif defined(ORBIS)
orbisDclose(rdir->directory);
#elif defined(__PSL1GHT__) || defined(__PS3__)
rdir->error = sysFsClosedir(rdir->directory);
#else
if (rdir->directory)
closedir(rdir->directory);