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-rw-r--r--revision.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/revision.c b/revision.c
index 8351e79..2571ada 100644
--- a/revision.c
+++ b/revision.c
@@ -2791,7 +2791,7 @@ static int commit_match(struct commit *commit, struct rev_info *opt)
{
int retval;
const char *encoding;
- char *message;
+ const char *message;
struct strbuf buf = STRBUF_INIT;
if (!opt->grep_filter.pattern_list && !opt->grep_filter.header_list)
@@ -2833,14 +2833,21 @@ static int commit_match(struct commit *commit, struct rev_info *opt)
format_display_notes(commit->object.sha1, &buf, encoding, 1);
}
- /* Find either in the original commit message, or in the temporary */
+ /*
+ * Find either in the original commit message, or in the temporary.
+ * Note that we cast away the constness of "message" here. It is
+ * const because it may come from the cached commit buffer. That's OK,
+ * because we know that it is modifiable heap memory, and that while
+ * grep_buffer may modify it for speed, it will restore any
+ * changes before returning.
+ */
if (buf.len)
retval = grep_buffer(&opt->grep_filter, buf.buf, buf.len);
else
retval = grep_buffer(&opt->grep_filter,
- message, strlen(message));
+ (char *)message, strlen(message));
strbuf_release(&buf);
- logmsg_free(message, commit);
+ unuse_commit_buffer(commit, message);
return retval;
}