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fseek() with SEEK_SET is broken on large file capable 32-bit systems, so

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revert to the SEEK_END method of repositioning the stream after a ftruncate()
and only use SEEK_SET if ftruncate() isn't available.
This commit is contained in:
Dan Fandrich 2005-03-07 18:59:04 +00:00
parent cb9bb31f7d
commit dc59795629
1 changed files with 9 additions and 3 deletions
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12
src/main.c
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@ -3773,10 +3773,16 @@ operate(struct Configurable *config, int argc, char *argv[])
/* truncate file at the position where we started appending */
#ifdef HAVE_FTRUNCATE
ftruncate( fileno(outs.stream), outs.init);
#endif
/* now seek to the end of the file, the position where we
just truncated the file */
fseek(outs.stream, outs.init, SEEK_SET);
just truncated the file in a large file-safe way */
fseek(outs.stream, 0, SEEK_END);
#else
/* ftruncate is not available, so just reposition the file
to the location we would have truncated it. This won't
work properly with large files on 32-bit systems, but
most of those will have ftruncate. */
fseek(outs.stream, (long)outs.init, SEEK_SET);
#endif
outs.bytes = 0; /* clear for next round */
}
continue;