introduce LONE_CHAR (optimized strcmp with one-char string)

1 files changed, 13 insertions, 9 deletions

diff --git a/coreutils/cat.c b/coreutils/cat.c
index a95980552..db4d33dc5 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -11,20 +11,12 @@
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */
 
 #include "busybox.h"
-#include <unistd.h>
 
-int cat_main(int argc, char **argv)
+int bb_cat(char **argv)
 {
         FILE *f;
         int retval = EXIT_SUCCESS;
 
-        getopt32(argc, argv, "u");
-
-        argv += optind;
-        if (!*argv) {
-                *--argv = "-";
-        }
-
         do {
                 f = fopen_or_warn_stdin(*argv);
                 if (f) {
@@ -39,3 +31,15 @@ int cat_main(int argc, char **argv)
 
         return retval;
 }
+
+int cat_main(int argc, char **argv)
+{
+        getopt32(argc, argv, "u");
+
+        argv += optind;
+        if (!*argv) {
+                *--argv = "-";
+        }
+
+        return bb_cat(argv);
+}