wordexp must set the we_offs entries of we_wordv to null pointers
authorRich Felker <dalias@aerifal.cx>
Mon, 16 Apr 2012 17:25:05 +0000 (13:25 -0400)
committerRich Felker <dalias@aerifal.cx>
Mon, 16 Apr 2012 17:25:05 +0000 (13:25 -0400)
src/misc/wordexp.c

index 34fc900ac73e3ea928f111ecc098f1b15036eed2..15adddbe381e14cb6e70b7db6f6502e84111deb6 100644 (file)
@@ -139,6 +139,10 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags)
 
        we->we_wordv = wv;
        we->we_wordc = i;
+
+       for (i=we->we_offs; i; i--)
+               we->we_wordv[i-1] = 0;
+
        if (flags & WRDE_DOOFFS) we->we_wordc -= we->we_offs;
        return err;
 }