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msvcrt: Implemented _chsize_s.

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This commit is contained in:
Andrey Zhezherun 2013-11-05 09:04:19 +00:00 committed by Alexandre Julliard
parent b436087217
commit 3bb2c11757
7 changed files with 25 additions and 13 deletions
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2
dlls/msvcr100/msvcr100.spec
View file

@ -725,7 +725,7 @@
@ cdecl -arch=i386 -norelay _chkesp() msvcrt._chkesp
@ cdecl _chmod(str long) msvcrt._chmod
@ cdecl _chsize(long long) msvcrt._chsize
@ stub _chsize_s
@ cdecl _chsize_s(long int64) msvcrt._chsize_s
@ cdecl _clearfp() msvcrt._clearfp
@ cdecl _close(long) msvcrt._close
@ cdecl _commit(long) msvcrt._commit

2
dlls/msvcr110/msvcr110.spec
View file

@ -1073,7 +1073,7 @@
@ cdecl -arch=i386 -norelay _chkesp() msvcrt._chkesp
@ cdecl _chmod(str long) msvcrt._chmod
@ cdecl _chsize(long long) msvcrt._chsize
@ stub _chsize_s
@ cdecl _chsize_s(long int64) msvcrt._chsize_s
@ cdecl _clearfp() msvcrt._clearfp
@ cdecl _close(long) msvcrt._close
@ cdecl _commit(long) msvcrt._commit

2
dlls/msvcr80/msvcr80.spec
View file

@ -389,7 +389,7 @@
@ cdecl -arch=i386 -norelay _chkesp() msvcrt._chkesp
@ cdecl _chmod(str long) msvcrt._chmod
@ cdecl _chsize(long long) msvcrt._chsize
@ stub _chsize_s
@ cdecl _chsize_s(long int64) msvcrt._chsize_s
@ cdecl _clearfp() msvcrt._clearfp
@ cdecl _close(long) msvcrt._close
@ cdecl _commit(long) msvcrt._commit

2
dlls/msvcr90/msvcr90.spec
View file

@ -372,7 +372,7 @@
@ cdecl -arch=i386 -norelay _chkesp() msvcrt._chkesp
@ cdecl _chmod(str long) msvcrt._chmod
@ cdecl _chsize(long long) msvcrt._chsize
@ stub _chsize_s
@ cdecl _chsize_s(long int64) msvcrt._chsize_s
@ cdecl _clearfp() msvcrt._clearfp
@ cdecl _close(long) msvcrt._close
@ cdecl _commit(long) msvcrt._commit

27
dlls/msvcrt/file.c
View file

@ -1259,15 +1259,17 @@ int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
}
/*********************************************************************
* _chsize (MSVCRT.@)
* _chsize_s (MSVCRT.@)
*/
int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
int CDECL MSVCRT__chsize_s(int fd, __int64 size)
{
LONG cur, pos;
__int64 cur, pos;
HANDLE handle;
BOOL ret = FALSE;
TRACE("(fd=%d, size=%d)\n", fd, size);
TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL;
LOCK_FILES();
@ -1275,10 +1277,10 @@ int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
if (handle != INVALID_HANDLE_VALUE)
{
/* save the current file pointer */
cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
cur = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
if (cur >= 0)
{
pos = MSVCRT__lseek(fd, size, SEEK_SET);
pos = MSVCRT__lseeki64(fd, size, SEEK_SET);
if (pos >= 0)
{
ret = SetEndOfFile(handle);
@ -1286,12 +1288,21 @@ int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
}
/* restore the file pointer */
MSVCRT__lseek(fd, cur, SEEK_SET);
MSVCRT__lseeki64(fd, cur, SEEK_SET);
}
}
UNLOCK_FILES();
return ret ? 0 : -1;
return ret ? 0 : *MSVCRT__errno();
}
/*********************************************************************
* _chsize (MSVCRT.@)
*/
int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
{
/* _chsize_s returns errno on failure but _chsize should return -1 */
return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1;
}
/*********************************************************************

2
dlls/msvcrt/msvcrt.spec
View file

@ -356,7 +356,7 @@
@ cdecl -arch=i386 -norelay _chkesp()
@ cdecl _chmod(str long) MSVCRT__chmod
@ cdecl _chsize(long long) MSVCRT__chsize
# stub _chsize_s(long int64)
@ cdecl _chsize_s(long int64) MSVCRT__chsize_s
# stub _chvalidator(long long)
# stub _chvalidator_l(ptr long long)
@ cdecl _clearfp()

1
include/msvcrt/io.h
View file

@ -87,6 +87,7 @@ extern "C" {
int __cdecl _access(const char*,int);
int __cdecl _chmod(const char*,int);
int __cdecl _chsize(int,__msvcrt_ulong);
int __cdecl _chsize_s(int,__int64);
int __cdecl _close(int);
int __cdecl _commit(int);
int __cdecl _creat(const char*,int);