RetroArch/file_path_special.c
2015-03-17 06:28:02 +01:00

217 lines
5.9 KiB
C

/* Copyright (C) 2010-2015 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_path.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <file/file_path.h>
#include <stdlib.h>
#include <boolean.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#ifdef __HAIKU__
#include <kernel/image.h>
#endif
#if (defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)) || defined(__QNX__) || defined(PSP)
#include <unistd.h> /* stat() is defined here */
#endif
#if defined(__CELLOS_LV2__)
#ifndef S_ISDIR
#define S_ISDIR(x) (x & 0040000)
#endif
#endif
#if defined(_WIN32)
#ifdef _MSC_VER
#define setmode _setmode
#endif
#ifdef _XBOX
#include <xtl.h>
#define INVALID_FILE_ATTRIBUTES -1
#else
#include <io.h>
#include <fcntl.h>
#include <direct.h>
#include <windows.h>
#endif
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#endif
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
if (*in_path == '~')
{
const char *home = getenv("HOME");
if (home)
{
size_t src_size = strlcpy(out_path, home, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path++;
}
}
else if ((in_path[0] == ':') &&
#ifdef _WIN32
((in_path[1] == '/') || (in_path[1] == '\\'))
#else
(in_path[1] == '/')
#endif
)
{
size_t src_size;
char application_dir[PATH_MAX_LENGTH];
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
src_size = strlcpy(out_path, application_dir, size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += 2;
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size)
{
#if !defined(RARCH_CONSOLE)
unsigned i;
char application_dir[PATH_MAX_LENGTH];
const char *home = getenv("HOME");
fill_pathname_application_path(application_dir, sizeof(application_dir));
path_basedir(application_dir);
/* application_dir could be zero-string. Safeguard against this.
*
* Keep application dir in front of home, moving app dir to a
* new location inside home would break otherwise. */
const char *candidates[3] = { application_dir, home, NULL };
const char *notations[3] = { ":", "~", NULL };
for (i = 0; candidates[i]; i++)
{
if (*candidates[i] && strstr(in_path, candidates[i]) == in_path)
{
size_t src_size = strlcpy(out_path, notations[i], size);
rarch_assert(src_size < size);
out_path += src_size;
size -= src_size;
in_path += strlen(candidates[i]);
if (!path_char_is_slash(*in_path))
{
rarch_assert(strlcpy(out_path, path_default_slash(), size) < size);
out_path++;
size--;
}
break; /* Don't allow more abbrevs to take place. */
}
}
#endif
rarch_assert(strlcpy(out_path, in_path, size) < size);
}
#if !defined(RARCH_CONSOLE)
void fill_pathname_application_path(char *buf, size_t size)
{
size_t i;
(void)i;
if (!size)
return;
#ifdef _WIN32
DWORD ret = GetModuleFileName(GetModuleHandle(NULL), buf, size - 1);
buf[ret] = '\0';
#elif defined(__APPLE__)
CFBundleRef bundle = CFBundleGetMainBundle();
if (bundle)
{
CFURLRef bundle_url = CFBundleCopyBundleURL(bundle);
CFStringRef bundle_path = CFURLCopyPath(bundle_url);
CFStringGetCString(bundle_path, buf, size, kCFStringEncodingUTF8);
CFRelease(bundle_path);
CFRelease(bundle_url);
rarch_assert(strlcat(buf, "nobin", size) < size);
return;
}
#elif defined(__HAIKU__)
image_info info;
int32 cookie = 0;
while (get_next_image_info(0, &cookie, &info) == B_OK)
{
if (info.type == B_APP_IMAGE)
{
strlcpy(buf, info.name, size);
return;
}
}
#else
*buf = '\0';
pid_t pid = getpid();
char link_path[PATH_MAX_LENGTH];
/* Linux, BSD and Solaris paths. Not standardized. */
static const char *exts[] = { "exe", "file", "path/a.out" };
for (i = 0; i < ARRAY_SIZE(exts); i++)
{
snprintf(link_path, sizeof(link_path), "/proc/%u/%s",
(unsigned)pid, exts[i]);
ssize_t ret = readlink(link_path, buf, size - 1);
if (ret >= 0)
{
buf[ret] = '\0';
return;
}
}
/* Cannot resolve application path! This should not happen. */
#endif
}
#endif