scc

commit 0f9d9414cad0c192b62d0c8839fdb7b48692de77
parent 33e066699ac30dd5ce4b1fbffe3c87bb663338ff
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 17 Feb 2017 10:57:35 +0100

[libc] Add setlocale()

Diffstat:
A
libc/include/locale.h
 | 
14
++++++++++++++
M
libc/src/Makefile
 | 
3
++-
A
libc/src/setlocale.c
 | 
16
++++++++++++++++

3 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/libc/include/locale.h b/libc/include/locale.h
@@ -0,0 +1,14 @@
+
+#ifndef _LOCALE_H
+#define _LOCALE_H
+
+#define LC_ALL      0
+#define LC_COLLATE  1
+#define LC_CTYPE    2
+#define LC_MONETARY 3
+#define LC_NUMERIC  4
+#define LC_TIME     5
+
+extern char *setlocale(int category, const char *locale);
+
+#endif
diff --git a/libc/src/Makefile b/libc/src/Makefile
@@ -3,7 +3,8 @@
 
 LIBCOBJ = assert.o strcpy.o strcmp.o strlen.o strchr.o \
           strrchr.o strcat.o strncpy.o strncat.o strcoll.o \
-          memset.o memcpy.o memmove.o memcmp.o memchr.o
+          memset.o memcpy.o memmove.o memcmp.o memchr.o \
+          setlocale.o
 
 all: libc.a
 
diff --git a/libc/src/setlocale.c b/libc/src/setlocale.c
@@ -0,0 +1,16 @@
+/* See LICENSE file for copyright and license details. */
+
+#include <locale.h>
+
+char *
+setlocale(int category, const char *locale)
+{
+	if (category > LC_TIME || category < LC_ALL)
+		return NULL;
+	if (!locale ||
+	    locale[0] == '\0' ||
+	    locale[0] == 'C' && locale[1] == '\0') {
+		return "C";
+	}
+	return NULL;
+}