From bf66fbc8e2380717c1fab860cfc60c78582839dd Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Thu, 21 Dec 2006 13:23:14 +0000
Subject: introduce LONE_CHAR (optimized strcmp with one-char string)

---
 include/libbb.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/libbb.h b/include/libbb.h
index 7dc7abd..2fd54e7 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -263,6 +263,8 @@ extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf,
 //int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
 #define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
 #define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
+#define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
+#define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
 
 /* dmalloc will redefine these to it's own implementation. It is safe
  * to have the prototypes here unconditionally.  */
@@ -386,7 +388,9 @@ extern void bb_vperror_msg(const char *s, va_list p);
 extern void bb_vinfo_msg(const char *s, va_list p);
 
 
-extern int bb_echo(int argc, char** argv);
+/* applets which are useful from another applets */
+extern int bb_cat(char** argv);
+extern int bb_echo(char** argv);
 extern int bb_test(int argc, char** argv);
 
 #ifndef BUILD_INDIVIDUAL
-- 
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