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Overview
| Comment: | Enhancement to Windows "file-exists" function by Joel Lucsy. (CVS 374) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | d3d59261da9bef3250e99444167ad6ef98764574 |
| User & Date: | drh 2002-02-18 12:48:46 |
Context
|
2002-02-18
| ||
| 13:35 | Additional tests for the sub-query feature. (CVS 375) check-in: a0019fce user: drh tags: trunk | |
| 12:48 | Enhancement to Windows "file-exists" function by Joel Lucsy. (CVS 374) check-in: d3d59261 user: drh tags: trunk | |
| 03:21 | Test and documentation updates for sub-queries. (CVS 373) check-in: 607c0c49 user: drh tags: trunk | |
Changes
Changes to src/os.c.
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** Return TRUE if the named file exists.
*/
int sqliteOsFileExists(const char *zFilename){
#if OS_UNIX
return access(zFilename, 0)==0;
#endif
#if OS_WIN
HANDLE h;
h = CreateFile(zFilename,
GENERIC_READ,
0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS,
NULL
);
if( h!=INVALID_HANDLE_VALUE ){
CloseHandle(h);
return 1;
}
return 0;
#endif
}
/*
** Attempt to open a file for both reading and writing. If that
** fails, try opening it read-only. If the file does not exist,
|
| < < < < < < < < < < < < < |
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 |
** Return TRUE if the named file exists.
*/
int sqliteOsFileExists(const char *zFilename){
#if OS_UNIX
return access(zFilename, 0)==0;
#endif
#if OS_WIN
return GetFileAttributes(zFilename) != 0xffffffff;
#endif
}
/*
** Attempt to open a file for both reading and writing. If that
** fails, try opening it read-only. If the file does not exist,
|