awk: another smallish code shrink

diff --git a/editors/awk.c b/editors/awk.c
index 44b747b299e3b57d49265dd57045a7fa613b0525..aac40aa931f368309303865dc60616f248ba6649 100644 (file)
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2028,9 +2028,7 @@ static var *exec_builtin(node *op, var *res)
                if (i < 0) i = 0;
                n = (nargs > 2) ? getvar_i(av[2]) : l-i;
                if (n < 0) n = 0;
-               s = xzalloc(n + 1);
-               strncpy(s, as[0]+i, n);
-               /*s[n] = '\0'; - xzalloc did it */
+               s = xstrndup(as[0]+i, n);
                setvar_p(res, s);
                break;