changeset 754:06c32155cb95

Minor cleanups.
author Rob Landley <rob@landley.net>
date Wed, 19 Dec 2012 09:16:27 -0600
parents 7d258f3c13dc
children 5da97f834a06
files toys/other/rev.c
diffstat 1 files changed, 6 insertions(+), 8 deletions(-) [+]
line wrap: on
line diff
--- a/toys/other/rev.c	Sun Dec 16 12:31:15 2012 +0100
+++ b/toys/other/rev.c	Wed Dec 19 09:16:27 2012 -0600
@@ -10,7 +10,7 @@
   help
     usage: rev [FILE...]
 
-    Output lines reversed, when no files are given stdin is used.
+    Output each line reversed, when no files are given stdin is used.
 */
 
 #include "toys.h"
@@ -20,15 +20,13 @@
   char *c;
 
   for (;;) {
-    int len;
-    int i;
+    int len, i;
+
     if (!(c = get_line(fd))) break;
     len = strlen(c) - 1;
-    i = 0;
-    while ( i <= len/2)
-    {
-      char tmp;
-      tmp = c[i];
+    for (i = 0; i <= len/2; i++) {
+      char tmp = c[i];
+
       c[i] = c[len-i];
       c[len-i] = tmp;
       i++;