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builtin-mailinfo.c: check error status from rewind and ftruncate

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A recent "cut at scissors" implementation rewinds and truncates
the output file to store the message when it sees a scissors mark,
but it did not check if these library calls succeeded.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
[sp: Use fseek as rewind returns void]
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Junio C Hamano 2009-09-28 23:40:08 -07:00 committed by Shawn O. Pearce
parent e0ab002b50
commit 1be224ba6e
1 changed files with 4 additions and 2 deletions
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builtin-mailinfo.c
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@ -785,8 +785,10 @@ static int handle_commit_msg(struct strbuf *line)
if (use_scissors && is_scissors_line(line)) { if (use_scissors && is_scissors_line(line)) {
int i; int i;
rewind(cmitmsg); if (fseek(cmitmsg, 0L, SEEK_SET))
ftruncate(fileno(cmitmsg), 0); die_errno("Could not rewind output message file");
if (ftruncate(fileno(cmitmsg), 0))
die_errno("Could not truncate output message file at scissors");
still_looking = 1; still_looking = 1;
/* /*