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seeking to 1 byte before the beginning of the file doesn't seem to be such

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a good idea
This commit is contained in:
Bill Currie 2002-10-24 22:36:15 +00:00
parent bbb4574f01
commit 8b46193e4d
1 changed files with 8 additions and 2 deletions
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10
libs/util/quakeio.c
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@ -425,8 +425,14 @@ Qseek (QFile *file, long offset, int whence)
res = fseek (file->file, offset, whence);
break;
case SEEK_END:
res = fseek (file->file,
file->start + file->size - offset, SEEK_SET);
if (file->size == -1) {
// we don't know the size (due to writing) so punt and
// pass on the request as-is
res = fseek (file->file, offset, SEEK_END);
} else {
res = fseek (file->file,
file->start + file->size - offset, SEEK_SET);
}
break;
default:
errno = EINVAL;