scc

commit 66d454a379fe6f62be6ea422644651a5b8d510ae
parent 1908a6ea5f748db20b6b2e9f2eda55ae40d0bd75
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed,  9 Nov 2022 21:07:03 +0100

libc/stdlib: Add wcstombs()

Diffstat:
M
src/libc/objs/common-objs.mk
 | 
1
+
M
src/libc/stdlib/Makefile
 | 
1
+
A
src/libc/stdlib/wcstombs.c
 | 
12
++++++++++++

3 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/libc/objs/common-objs.mk b/src/libc/objs/common-objs.mk
@@ -91,6 +91,7 @@ COMMON_OBJS =\
 	stdlib/strtoll.$O\
 	stdlib/strtoul.$O\
 	stdlib/strtoull.$O\
+	stdlib/wcstombs.$O\
 	stdlib/wctomb.$O\
 	string/strcat.$O\
 	string/strchr.$O\
diff --git a/src/libc/stdlib/Makefile b/src/libc/stdlib/Makefile
@@ -31,6 +31,7 @@ OBJS =\
 	strtoll.$O\
 	strtoul.$O\
 	strtoull.$O\
+	wcstombs.$O\
 	wctomb.$O\
 
 all: $(OBJS)
diff --git a/src/libc/stdlib/wcstombs.c b/src/libc/stdlib/wcstombs.c
@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include <wchar.h>
+
+#undef wcstombs
+
+size_t
+wcstombs(char *restrict dest, const wchar_t *restrict src, size_t n)
+{
+	mbstate_t p;
+
+	return wcsrtombs(dest, (void *) &src, n, memset(&p, 0, sizeof(p)));
+}