diff options
-rw-r--r-- | builtin-log.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/builtin-log.c b/builtin-log.c index 7397a5af07..1cd9d3f768 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -202,7 +202,11 @@ static const char *fmt_patch_suffix = ".txt"; static int git_format_config(const char *var, const char *value) { if (!strcmp(var, "format.headers")) { - int len = strlen(value); + int len; + + if (!value) + die("format.headers without value"); + len = strlen(value); extra_headers_size += len + 1; extra_headers = xrealloc(extra_headers, extra_headers_size); extra_headers[extra_headers_size - len - 1] = 0; |