From 26f782bb41c5d4fce427e23aba3199c0fb4297d8 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Tue, 7 Jan 2014 03:53:56 +0000
Subject: [PATCH] [libc] Add abs()

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/stdlib.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/include/stdlib.h b/src/include/stdlib.h
index bca85a234..2951522b8 100644
--- a/src/include/stdlib.h
+++ b/src/include/stdlib.h
@@ -93,6 +93,10 @@ static inline void srand ( unsigned int seed ) {
  ****************************************************************************
  */
 
+static inline __attribute__ (( always_inline )) int abs ( int value ) {
+	return __builtin_abs ( value );
+}
+
 extern int system ( const char *command );
 extern __asmcall int main ( void );