scc

commit 94d009f0d25f0426186fe0f209abc1f229c47d12
parent c5af9fc33eda2506eebc629d07a09e637e3311f2
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Mon, 24 Mar 2025 09:54:26 +0100

libc/wchar: Add wcscpy()

Diffstat:
M
src/libc/objs/common-objs.mk
 | 
1
+
A
src/libc/wchar/wcscpy.c
 | 
16
++++++++++++++++
M
tests/libc/execute/.gitignore
 | 
1
+
A
tests/libc/execute/0048-wcscpy.c
 | 
32
++++++++++++++++++++++++++++++++
M
tests/libc/execute/libc-tests.lst
 | 
1
+

5 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/src/libc/objs/common-objs.mk b/src/libc/objs/common-objs.mk
@@ -130,6 +130,7 @@ COMMON_OBJS =\
 	wchar/wcscmp.$O\
 	wchar/wcscoll.$O\
 	wchar/wcsncmp.$O\
+	wchar/wcscpy.$O\
 	wchar/wcsrtombs.$O\
 	wchar/wcwidth.$O\
 	wchar/putwc.$O\
diff --git a/src/libc/wchar/wcscpy.c b/src/libc/wchar/wcscpy.c
@@ -0,0 +1,16 @@
+#include <wchar.h>
+
+#undef wcscpy
+
+wchar_t *
+wcscpy(wchar_t * restrict s1, const wchar_t * restrict s2)
+{
+	wchar_t *ret = s1;
+
+	while ((*s1++ = *s2++) != '\0')
+		;
+
+	return ret;
+
+}
+
diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -44,4 +44,5 @@
 0045-wcscmp
 0046-wcsncmp
 0047-wcscoll
+0048-wcscpy
 test.log
diff --git a/tests/libc/execute/0048-wcscpy.c b/tests/libc/execute/0048-wcscpy.c
@@ -0,0 +1,31 @@
+#include <assert.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+done
+end:
+*/
+
+int
+main()
+{
+	wchar_t test[]= {'t', 'e', 's', 't', 0};
+	wchar_t *s, buf[40];
+
+	puts("testing");
+
+	s = wcscpy(buf, test);
+	assert(s == buf);
+	assert(!wcscmp(s, test));
+
+	s = wcscpy(buf, "");
+	assert(s == buf);
+	assert(!wcscmp(s, ""));
+
+	puts("done");
+
+	return 0;
+}
+\ No newline at end of file
diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -43,3 +43,4 @@
 0045-wcscmp
 0046-wcsncmp
 0047-wcscoll
+0048-wcscpy