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Support for large profile values (based on a patch by Robert

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Shearman).
Fixed PROFILE_FlushFile to correctly truncate the file before saving
it.
This commit is contained in:
Alexandre Julliard 2004-07-16 02:45:00 +00:00
parent 58f25b7b03
commit df55257115
1 changed files with 54 additions and 28 deletions
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82
dlls/kernel/profile.c
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@ -81,8 +81,6 @@ static PROFILE *MRUProfile[N_CACHED_PROFILES]={NULL};
#define CurProfile (MRUProfile[0])
#define PROFILE_MAX_LINE_LEN 1024
/* Check for comments in profile */
#define IS_ENTRY_COMMENT(str) ((str)[0] == ';')
@ -156,7 +154,8 @@ static inline void PROFILE_WriteMarker(HANDLE hFile, ENCODING encoding)
static void PROFILE_WriteLine( HANDLE hFile, WCHAR * szLine, int len, ENCODING encoding)
{
char write_buffer[PROFILE_MAX_LINE_LEN];
char * write_buffer;
int write_buffer_len;
DWORD dwBytesWritten;
TRACE("writing: %s\n", debugstr_wn(szLine, len));
@ -164,12 +163,20 @@ static void PROFILE_WriteLine( HANDLE hFile, WCHAR * szLine, int len, ENCODING e
switch (encoding)
{
case ENCODING_ANSI:
len = WideCharToMultiByte(CP_ACP, 0, szLine, len, write_buffer, sizeof(write_buffer), NULL, NULL);
WriteFile(hFile, write_buffer, len * sizeof(char), &dwBytesWritten, NULL);
write_buffer_len = WideCharToMultiByte(CP_ACP, 0, szLine, len, NULL, 0, NULL, NULL);
write_buffer = HeapAlloc(GetProcessHeap(), 0, write_buffer_len);
if (!write_buffer) return;
len = WideCharToMultiByte(CP_ACP, 0, szLine, len, write_buffer, write_buffer_len, NULL, NULL);
WriteFile(hFile, write_buffer, len, &dwBytesWritten, NULL);
HeapFree(GetProcessHeap(), 0, write_buffer);
break;
case ENCODING_UTF8:
len = WideCharToMultiByte(CP_UTF8, 0, szLine, len, write_buffer, sizeof(write_buffer), NULL, NULL);
WriteFile(hFile, write_buffer, len * sizeof(char), &dwBytesWritten, NULL);
write_buffer_len = WideCharToMultiByte(CP_UTF8, 0, szLine, len, NULL, 0, NULL, NULL);
write_buffer = HeapAlloc(GetProcessHeap(), 0, write_buffer_len);
if (!write_buffer) return;
len = WideCharToMultiByte(CP_UTF8, 0, szLine, len, write_buffer, write_buffer_len, NULL, NULL);
WriteFile(hFile, write_buffer, len, &dwBytesWritten, NULL);
HeapFree(GetProcessHeap(), 0, write_buffer);
break;
case ENCODING_UTF16LE:
WriteFile(hFile, szLine, len * sizeof(WCHAR), &dwBytesWritten, NULL);
@ -188,36 +195,55 @@ static void PROFILE_WriteLine( HANDLE hFile, WCHAR * szLine, int len, ENCODING e
*
* Save a profile tree to a file.
*/
static void PROFILE_Save( HANDLE hFile, PROFILESECTION *section, ENCODING encoding )
static void PROFILE_Save( HANDLE hFile, const PROFILESECTION *section, ENCODING encoding )
{
static const WCHAR wSectionFormat[] = {'\r','\n','[','%','s',']','\r','\n',0};
static const WCHAR wNameFormat[] = {'%','s',0};
static const WCHAR wValueFormat[] = {'=','%','s',0};
static const WCHAR wNewLine[] = {'\r','\n',0};
PROFILEKEY *key;
WCHAR szLine[PROFILE_MAX_LINE_LEN];
int len = 0;
WCHAR *buffer, *p;
PROFILE_WriteMarker(hFile, encoding);
for ( ; section; section = section->next)
{
if (section->name[0])
{
len += snprintfW( szLine + len, PROFILE_MAX_LINE_LEN - len, wSectionFormat, section->name );
PROFILE_WriteLine( hFile, szLine, len, encoding );
len = 0;
}
int len = 0;
if (section->name[0]) len += strlenW(section->name) + 6;
for (key = section->key; key; key = key->next)
{
len += snprintfW( szLine + len, PROFILE_MAX_LINE_LEN - len, wNameFormat, key->name );
if (key->value)
len += snprintfW( szLine + len, PROFILE_MAX_LINE_LEN - len, wValueFormat, key->value );
len += snprintfW( szLine + len, PROFILE_MAX_LINE_LEN - len, wNewLine );
PROFILE_WriteLine( hFile, szLine, len, encoding );
len = 0;
len += strlenW(key->name) + 2;
if (key->value) len += strlenW(key->value) + 1;
}
buffer = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!buffer) return;
p = buffer;
if (section->name[0])
{
*p++ = '\r';
*p++ = '\n';
*p++ = '[';
strcpyW( p, section->name );
p += strlenW(p);
*p++ = ']';
*p++ = '\r';
*p++ = '\n';
}
for (key = section->key; key; key = key->next)
{
strcpyW( p, key->name );
p += strlenW(p);
if (key->value)
{
*p++ = '=';
strcpyW( p, key->value );
p += strlenW(p);
}
*p++ = '\r';
*p++ = '\n';
}
PROFILE_WriteLine( hFile, buffer, len, encoding );
HeapFree(GetProcessHeap(), 0, buffer);
}
}
@ -654,7 +680,7 @@ static BOOL PROFILE_FlushFile(void)
if (!CurProfile->changed) return TRUE;
hFile = CreateFileW(CurProfile->filename, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
hFile = CreateFileW(CurProfile->filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{