libc/wchar: Add wmemset() - scc - simple c99 compiler
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---
(DIR) commit 7dcb0d9d9eee6306f01cf4788b8eef1fa9baa9c7
(DIR) parent d7543e2d9e5bc064ac6f1b2469511aae17f0ad52
(HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Tue, 25 Mar 2025 19:49:46 +0100
libc/wchar: Add wmemset()
Diffstat:
M src/libc/objs/common-objs.mk | 1 +
A src/libc/wchar/wmemset.c | 13 +++++++++++++
M tests/libc/execute/.gitignore | 1 +
A tests/libc/execute/0052-wmemset.c | 30 ++++++++++++++++++++++++++++++
M tests/libc/execute/libc-tests.lst | 1 +
5 files changed, 46 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/src/libc/objs/common-objs.mk b/src/libc/objs/common-objs.mk
@@ -136,6 +136,7 @@ COMMON_OBJS =\
wchar/wmemchr.$O\
wchar/wmemcpy.$O\
wchar/wmemmove.$O\
+ wchar/wmemset.$O\
wchar/wmemcmp.$O\
wchar/putwc.$O\
wchar/_validutf8.$O\
(DIR) diff --git a/src/libc/wchar/wmemset.c b/src/libc/wchar/wmemset.c
@@ -0,0 +1,13 @@
+#include <wchar.h>
+
+#undef wmemset
+
+wchar_t *
+wmemset(wchar_t *d, wchar_t wc, size_t n)
+{
+ wchar_t *ret = d;
+
+ while (n-- > 0)
+ *d++ = wc;
+ return ret;
+}
(DIR) diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -47,6 +47,7 @@
0048-wcscpy
0049-wmemchr
0050-wmemcpy
+0052-wmemset
0051-wmemmove
0053-wmemcmp
test.log
(DIR) diff --git a/tests/libc/execute/0052-wmemset.c b/tests/libc/execute/0052-wmemset.c
@@ -0,0 +1,30 @@
+#include <assert.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+done
+end:
+*/
+
+int
+main()
+{
+ wchar_t *p, buf[40];
+
+ puts("testing");
+
+ wmemset(buf, 2, 40);
+ for (p = buf; p < &buf[40]; ++p)
+ assert(*p == 2);
+
+ wmemset(buf, 0, 0);
+ for (p = buf; p < &buf[40]; ++p)
+ assert(*p == 2);
+
+ puts("done");
+
+ return 0;
+}
(DIR) diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -47,4 +47,5 @@
0049-wmemchr
0050-wmemcpy
0051-wmemmove
+0052-wmemset
0053-wmemcmp