[hackers] [sbase] Fix uninitialized use of ret in expr(1) || sin

[git]

commit 7b8d7fb78edc79a99f0c2a67b5a8ca725ec56424
Author: sin <s...@2f30.org>
Date:   Sun Nov 16 14:43:10 2014 +0000

    Fix uninitialized use of ret in expr(1)

diff --git a/expr.c b/expr.c
index 49fa040..3e0cd8e 100644
--- a/expr.c
+++ b/expr.c
@@ -117,10 +117,11 @@ match(Val vstr, Val vregx)
 
        if (re.re_nsub) {
                len = matches[1].rm_eo - matches[1].rm_so + 1;
-               ret = emalloc(len); /* TODO: free ret */
-               d = strtoimax(ret, &p, 10);
+               ret = malloc(len); /* TODO: free ret */
+               if (!ret)
+                       enprintf(3, "malloc:");
                strlcpy(ret, str + matches[1].rm_so, len);
-
+               d = strtoimax(ret, &p, 10);
                if (*ret && !*p)
                        return (Val){ NULL, d };
                return (Val){ ret, 0 };