[hackers] [sbase] xargs: minor optimizations || Hiltjo Posthuma

[git]

commit 8e486d5282ebca8583e427d168030ca6b2d5815e
Author: Hiltjo Posthuma <hil...@codemadness.org>
Date:   Fri Mar 27 22:45:03 2015 +0100

    xargs: minor optimizations

diff --git a/xargs.c b/xargs.c
index d39679e..de09ae9 100644
--- a/xargs.c
+++ b/xargs.c
@@ -234,12 +234,13 @@ main(int argc, char *argv[])
                        }
                } else {
                        cmd[i] = estrdup("/bin/echo");
-                       argsz += strlen(cmd[i]) + 1;
+                       argsz += strlen("/bin/echo") + 1;
                        i++;
                }
                while (leftover || (arg = poparg())) {
-                       if (argsz + strlen(arg) + 1 > argmaxsz || i >= NARGS - 
1) {
-                               if (strlen(arg) + 1 > argmaxsz) {
+                       arglen = strlen(arg);
+                       if (argsz + arglen >= argmaxsz || i >= NARGS - 1) {
+                               if (arglen >= argmaxsz) {
                                        weprintf("insufficient argument 
space\n");
                                        if (xflag)
                                                exit(1);
@@ -248,7 +249,7 @@ main(int argc, char *argv[])
                                break;
                        }
                        cmd[i] = estrdup(arg);
-                       argsz += strlen(cmd[i]) + 1;
+                       argsz += arglen + 1;
                        i++;
                        a++;
                        leftover = 0;