libc/wchar: Add wmemcpy() - scc - simple c99 compiler
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---
(DIR) commit f82bc6684d7c33065ce616b79528e7a0e439d1df
(DIR) parent 391c2dacb748852e77bfe811556b145ecdda684b
(HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Tue, 25 Mar 2025 19:03:27 +0100
libc/wchar: Add wmemcpy()
Diffstat:
M src/libc/objs/common-objs.mk | 1 +
A src/libc/wchar/wmemcpy.c | 10 ++++++++++
M tests/libc/execute/.gitignore | 1 +
A tests/libc/execute/0050-wmemcpy.c | 24 ++++++++++++++++++++++++
M tests/libc/execute/libc-tests.lst | 1 +
5 files changed, 37 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/src/libc/objs/common-objs.mk b/src/libc/objs/common-objs.mk
@@ -134,5 +134,6 @@ COMMON_OBJS =\
wchar/wcsrtombs.$O\
wchar/wcwidth.$O\
wchar/wmemchr.$O\
+ wchar/wmemcpy.$O\
wchar/putwc.$O\
wchar/_validutf8.$O\
(DIR) diff --git a/src/libc/wchar/wmemcpy.c b/src/libc/wchar/wmemcpy.c
@@ -0,0 +1,10 @@
+#include <string.h>
+#include <wchar.h>
+
+#undef wmemcpy
+
+wchar_t *
+wmemcpy(wchar_t *restrict d, const wchar_t *restrict s, size_t n)
+{
+ return memcpy(d, s, n * sizeof(wchar_t));
+}
(DIR) diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -46,4 +46,5 @@
0047-wcscoll
0048-wcscpy
0049-wmemchr
+0050-wmemcpy
test.log
(DIR) diff --git a/tests/libc/execute/0050-wmemcpy.c b/tests/libc/execute/0050-wmemcpy.c
@@ -0,0 +1,24 @@
+#include <assert.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+done
+end:
+*/
+
+int
+main()
+{
+ wchar_t buf[40];
+ wchar_t abc[] = {'a', 'b', 'c', '\0'};
+
+ puts("testing");
+ assert(!wmemcmp(wmemcpy(buf, abc, 3), abc, 3));
+ assert(wmemcpy(buf, abc, 0) == buf);
+ puts("done");
+
+ return 0;
+}
(DIR) diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -45,3 +45,4 @@
0047-wcscoll
0048-wcscpy
0049-wmemchr
+0050-wmemcpy