sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 42 insertions, 0 deletions

diff --git a/device/lib/_memcmp.c b/device/lib/_memcmp.c
new file mode 100644
index 0000000..087cc53
--- /dev/null
+++ b/device/lib/_memcmp.c
@@ -0,0 +1,42 @@
+/*-------------------------------------------------------------------------
+   _memcmp.c - part of string library functions
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <string.h>
+
+int memcmp (const void * buf1, const void * buf2, size_t count)
+{
+	if (!count)
+		return(0);
+
+	while ( --count && *((char *)buf1) == *((char *)buf2) ) {
+		buf1 = (char *)buf1 + 1;
+		buf2 = (char *)buf2 + 1;
+	}
+
+	return( *((unsigned char *)buf1) - *((unsigned char *)buf2) );
+}