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Fix four winetests from msvcrt:file.c

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- The winetests show that the pointer never moves after calling chsize.
- Using SetEndOfFile is the best way to do this.  I wrote a test case that 
  uses WriteFile as we did before and it did not expand the file past eof.

svn path=/trunk/; revision=22216
This commit is contained in:
Art Yerkes 2006-06-04 17:24:37 +00:00
parent 36329fccb0
commit eac8defeed
1 changed files with 4 additions and 1 deletions
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5
reactos/lib/crt/io/chsize.c
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@ -10,9 +10,12 @@
int _chsize(int _fd, long size) int _chsize(int _fd, long size)
{ {
DPRINT("_chsize(fd %d, size %d)\n", _fd, size); DPRINT("_chsize(fd %d, size %d)\n", _fd, size);
long location = _lseek(_fd, 0, SEEK_CUR);
if (location == -1) return -1;
if (_lseek(_fd, size, 0) == -1) if (_lseek(_fd, size, 0) == -1)
return -1; return -1;
if (_write(_fd, 0, 0) < 0) if (!SetEndOfFile((HANDLE)_get_osfhandle(_fd)))
return -1; return -1;
_lseek(_fd, location, SEEK_SET);
return 0; return 0;
} }