aboutsummaryrefslogtreecommitdiff
path: root/commit.c
diff options
context:
space:
mode:
Diffstat (limited to 'commit.c')
-rw-r--r--commit.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/commit.c b/commit.c
index 3e8c87294..1fe23b6e3 100644
--- a/commit.c
+++ b/commit.c
@@ -644,6 +644,7 @@ static char *get_header(const struct commit *commit, const char *key)
static char *replace_encoding_header(char *buf, char *encoding)
{
char *encoding_header = strstr(buf, "\nencoding ");
+ char *header_end = strstr(buf, "\n\n");
char *end_of_encoding_header;
int encoding_header_pos;
int encoding_header_len;
@@ -651,8 +652,10 @@ static char *replace_encoding_header(char *buf, char *encoding)
int need_len;
int buflen = strlen(buf) + 1;
- if (!encoding_header)
- return buf; /* should not happen but be defensive */
+ if (!header_end)
+ header_end = buf + buflen;
+ if (!encoding_header || encoding_header >= header_end)
+ return buf;
encoding_header++;
end_of_encoding_header = strchr(encoding_header, '\n');
if (!end_of_encoding_header)