- make sure not to trip enless loops when using strlen in IMA mode.

(r15000 from trunk plus preprocessor fixes plus
repair of commit message)

1 files changed, 4 insertions, 9 deletions

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 9ee4fcd65..8bb75f612 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -14,16 +14,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
-
-/* Since gcc always inlines strlen(), this saves a byte or two, but we need
- * the #undef here to avoid endless loop from #define strlen bb_strlen */
-#ifdef L_strlen
-#define BB_STRLEN_IMPLEMENTATION
-#endif
-
 #include "libbb.h"
 
-
 #ifndef DMALLOC
 #ifdef L_xmalloc
 void *xmalloc(size_t size)
@@ -175,10 +167,13 @@ void bb_xfflush_stdout(void)
 }
 #endif
 
+/* GCC forces inlining of strlen everywhere, which is generally a byte
+   larger than calling a function, and it's called a lot so it adds up.
+*/
 #ifdef L_strlen
 size_t bb_strlen(const char *string)
 {
-            return(strlen(string));
+        return(__builtin_strlen(string));
 }
 #endif