fix broken regerror (typo) and missing message

diff --git a/src/regex/regerror.c b/src/regex/regerror.c
index 17119ff..0645b8e 100644 (file)
--- a/src/regex/regerror.c
+++ b/src/regex/regerror.c
@@ -22,14 +22,14 @@ static const char messages[] = {
   "Invalid contents of {}\0"
   "Invalid character range\0"
   "Out of memory\0"
-  "XXX\0"
+  "Repetition not preceded by valid expression\0"
   "\0Unknown error"
 };
 
 size_t regerror(int e, const regex_t *preg, char *buf, size_t size)
 {
        const char *s;
-       for (s=messages; e && *s; e--, e+=strlen(s)+1);
+       for (s=messages; e && *s; e--, s+=strlen(s)+1);
        if (!*s) s++;
        return 1+snprintf(buf, size, "%s", s);
 }