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Small correction in reading of commit headers

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Check if a line of the header has enough characters to possibly
contain the requested prefix.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Alex Riesen 2007-05-04 23:51:32 +02:00 committed by Junio C Hamano
parent cf593cc418
commit e102d4353d
1 changed files with 3 additions and 1 deletions
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4
commit.c
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@ -640,7 +640,9 @@ static char *get_header(const struct commit *commit, const char *key)
next = NULL;
} else
next = eol + 1;
if (!strncmp(line, key, key_len) && line[key_len] == ' ') {
if (eol - line > key_len &&
!strncmp(line, key, key_len) &&
line[key_len] == ' ') {
int len = eol - line - key_len;
char *ret = xmalloc(len);
memcpy(ret, line + key_len + 1, len - 1);