libc.obj:

- Formatted by clang-format (WebKit-style).
- Removed unnecessary errno linux. 
- Added KOS error codes. 
- String functions have been replaced with more optimal ones for x86. 
- Changed wrappers for 70 sysfunction.

git-svn-id: svn://kolibrios.org@9765 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/ktcc/trunk/libc.obj/source/string/strcmp.c

@@ -1,14 +1,21 @@
-/* strcmp( const char *, const char * )
-
-   This file is part of the Public Domain C Library (PDCLib).
-   Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-#include <errno.h>
-#include <string.h>
-#include <sys/ksys.h>
-
-int strcmp(const char * s1, const char * s2)
-{
-    return __strcmp(s1, s2);
-}
+#include <string.h>
+
+int strcmp(const char* s1, const char* s2)
+{
+    int d0, d1;
+    register int __res;
+    __asm__ __volatile__(
+        "1:\tlodsb\n\t"
+        "scasb\n\t"
+        "jne 2f\n\t"
+        "testb %%al,%%al\n\t"
+        "jne 1b\n\t"
+        "xorl %%eax,%%eax\n\t"
+        "jmp 3f\n"
+        "2:\tsbbl %%eax,%%eax\n\t"
+        "orb $1,%%al\n"
+        "3:"
+        : "=a"(__res), "=&S"(d0), "=&D"(d1)
+        : "1"(s1), "2"(s2));
+    return __res;
+}