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Merge pull request #141 from marcpayne/template-segfault

Avoid segfault if template arg number is zero
This commit is contained in:
Brenden Matthews 2015-11-07 09:28:52 -08:00
commit 966b744349

View File

@ -84,6 +84,8 @@ static char *backslash_escape(const char *src, char **templates, unsigned int te
if ((sscanf(p + 1, "%u%n", &tmpl_num, &digits) <= 0) ||
(tmpl_num > template_count))
break;
if (tmpl_num == 0)
CRIT_ERR(NULL, NULL, "invalid template argument \\0; arguments must start at \\1");
dup_len += strlen(templates[tmpl_num - 1]);
src_dup = (char*) realloc(src_dup, dup_len * sizeof(char));
sprintf(src_dup + dup_idx, "%s", templates[tmpl_num - 1]);