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msvcrt: Fsetpos resets EOF flag.

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Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55856
This commit is contained in:
Fabian Maurer 2023-11-02 02:43:31 +01:00 committed by Alexandre Julliard
parent c9ff04c35c
commit 8e56d0feb5
2 changed files with 45 additions and 14 deletions
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14
dlls/msvcrt/file.c
View file

@ -4682,19 +4682,7 @@ errno_t CDECL freopen_s(FILE** pFile,
*/
int CDECL fsetpos(FILE* file, fpos_t *pos)
{
int ret;
_lock_file(file);
msvcrt_flush_buffer(file);
/* Reset direction of i/o */
if(file->_flag & _IORW) {
file->_flag &= ~(_IOREAD|_IOWRT);
}
ret = (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
_unlock_file(file);
return ret;
return _fseeki64(file,*pos,SEEK_SET);
}
/*********************************************************************

45
dlls/msvcrt/tests/file.c
View file

@ -226,7 +226,50 @@ static void test_fileops( void )
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
fclose (file);
clearerr(file);
ok(!feof(file), "feof after clearerr failed\n");
fclose(file);
file = fopen("fdopen.tst", "rb");
ok( file != NULL, "fopen failed\n");
/* sizeof(buffer) > content of file */
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
rewind(file);
ok(!feof(file), "feof after rewind failed\n");
fclose(file);
file = fopen("fdopen.tst", "rb");
ok( file != NULL, "fopen failed\n");
/* sizeof(buffer) > content of file */
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
fseek(file, 0, SEEK_SET);
ok(!feof(file), "feof after fseek failed\n");
fclose(file);
file = fopen("fdopen.tst", "rb");
ok( file != NULL, "fopen failed\n");
/* sizeof(buffer) > content of file */
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
fgetpos(file, &pos);
fsetpos(file, &pos);
ok(!feof(file), "feof after fsetpos failed\n");
fclose(file);
file = fopen("fdopen.tst", "rb");
ok( file != NULL, "fopen failed\n");
/* sizeof(buffer) > content of file */
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
fsetpos(file, &pos);
ok(!feof(file), "feof after fsetpos failed\n");
fclose(file);
unlink ("fdopen.tst");
}