scc

commit ff12208b737305ea29849e5ef65abcc37119229a
parent c621b4a6eb46c57e32743b6ac6e26c9de253eccf
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 16 Feb 2017 21:11:49 +0100

[libc] Add strlen()

Diffstat:
M
libc/src/Makefile
 | 
2
+-
A
libc/src/strlen.c
 | 
13
+++++++++++++

2 files changed, 14 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 strcmp.o
+LIBCOBJ = assert.o strcpy.o strcmp.o strlen.o
 
 all: libc.a
 
diff --git a/libc/src/strlen.c b/libc/src/strlen.c
@@ -0,0 +1,13 @@
+/* See LICENSE file for copyright and license details. */
+
+#include <string.h>
+
+size_t
+strlen(const char *s)
+{
+	const char *t;
+
+	for (t = s; *t; ++t)
+		/* nothing */;
+	return t - s;
+}