scc

commit 830384d068b500a18a6aeb7a5a45e70bfad72d51
parent 8983432321fac3cb410bb19beae46d891c438328
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 16 Feb 2017 21:05:39 +0100

[libc] Add strcmp()

Diffstat:
M
libc/src/Makefile
 | 
2
+-
A
libc/src/strcmp.c
 | 
11
+++++++++++

2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/libc/src/Makefile b/libc/src/Makefile
@@ -1,7 +1,7 @@
 # See LICENSE file for copyright and license details.
 .POSIX:
 
-LIBCOBJ = assert.o strcpy.o
+LIBCOBJ = assert.o strcpy.o strcmp.o
 
 libc.a: $(LIBCOJB)
 	ar $(ARFLAGS) $@ $?
diff --git a/libc/src/strcmp.c b/libc/src/strcmp.c
@@ -0,0 +1,11 @@
+/* See LICENSE file for copyright and license details. */
+
+#include <string.h>
+
+int
+strcmp(const char *s1, const char *s2)
+{
+	while (*s1 && *s2 && *s1 != *s2)
+		++s1, ++s2;
+	return *s1 - *s2;
+}