Merge branch 'jk/asciidoctor-section-heading-markup-fix'

diff --git a/git-compat-util.h b/git-compat-util.h
index f649e81f1107722f4c7d051201920ae2a0e7846a..1df82fa598daa131c9e84023083a014ac3ee3f9f 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -814,6 +814,9 @@ static inline int strtoul_ui(char const *s, int base, unsigned int *result)
        char *p;
 
        errno = 0;
+       /* negative values would be accepted by strtoul */
+       if (strchr(s, '-'))
+               return -1;
        ul = strtoul(s, &p, base);
        if (errno || *p || p == s || (unsigned int) ul != ul)
                return -1;