static void add_header(const char *value)
{
int len = strlen(value);
- while (value[len - 1] == '\n')
+ while (len && value[len - 1] == '\n')
len--;
if (!strncasecmp(value, "to: ", 4)) {
ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);
if (argc > 1)
die ("unrecognized argument: %s", argv[1]);
- if (!rev.diffopt.output_format)
+ if (!rev.diffopt.output_format
+ || rev.diffopt.output_format == DIFF_FORMAT_PATCH)
rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH;
if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)