undef/git-commit-vandalism
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cherry-pick: format help message as strbuf

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This gets rid of the fixed-size buffer and an unchecked
sprintf. That sprintf is actually OK as the only
variable-sized thing put in it is an abbreviated sha1, which
is bounded at 40 characters. However, the next patch will
change that to something unbounded.

Note that this function now returns an allocated buffer
instead of a static one; however, it doesn't matter as the
only caller exits immediately.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2010-02-11 16:07:06 -05:00 committed by Junio C Hamano
parent dd9314cc2a
commit 08565bdb4b
1 changed files with 4 additions and 4 deletions
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8
builtin-revert.c
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@ -200,23 +200,23 @@ static void set_author_ident_env(const char *message)
static char *help_msg(const unsigned char *sha1)
{
static char helpbuf[1024];
struct strbuf helpbuf = STRBUF_INIT;
char *msg = getenv("GIT_CHERRY_PICK_HELP");
if (msg)
return msg;
strcpy(helpbuf, " After resolving the conflicts,\n"
strbuf_addstr(&helpbuf, " After resolving the conflicts,\n"
"mark the corrected paths with 'git add <paths>' or 'git rm <paths>'\n"
"and commit the result.");
if (action == CHERRY_PICK) {
sprintf(helpbuf + strlen(helpbuf),
strbuf_addf(&helpbuf,
" When committing, use the option '-c %s'\n"
"to retain authorship and message.",
find_unique_abbrev(sha1, DEFAULT_ABBREV));
}
return helpbuf;
return strbuf_detach(&helpbuf, NULL);
}
static struct tree *empty_tree(void)