diff options
Diffstat (limited to 'commit.c')
| -rw-r--r-- | commit.c | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -1631,12 +1631,20 @@ struct commit_list **commit_list_append(struct commit *commit, return &new_commit->next; } -const char *find_commit_header(const char *msg, const char *key, size_t *out_len) +const char *find_header_mem(const char *msg, size_t len, + const char *key, size_t *out_len) { int key_len = strlen(key); const char *line = msg; - while (line) { + /* + * NEEDSWORK: It's possible for strchrnul() to scan beyond the range + * given by len. However, current callers are safe because they compute + * len by scanning a NUL-terminated block of memory starting at msg. + * Nonetheless, it would be better to ensure the function does not look + * at msg beyond the len provided by the caller. + */ + while (line && line < msg + len) { const char *eol = strchrnul(line, '\n'); if (line == eol) @@ -1653,6 +1661,10 @@ const char *find_commit_header(const char *msg, const char *key, size_t *out_len return NULL; } +const char *find_commit_header(const char *msg, const char *key, size_t *out_len) +{ + return find_header_mem(msg, strlen(msg), key, out_len); +} /* * Inspect the given string and determine the true "end" of the log message, in * order to find where to put a new Signed-off-by trailer. Ignored are |