scc

commit 0cc26f9abb8c7f8a5ad30563d63bda35a5345322
parent 281fd80448d875367f4be096a00ebbc847a06c1b
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Wed, 26 Mar 2025 14:46:30 +0100

libc/wchar: Add wcspbrk()

Diffstat:
M
src/libc/objs/common-objs.mk
 | 
1
+
A
src/libc/wchar/wcspbrk.c
 | 
10
++++++++++
M
tests/libc/execute/.gitignore
 | 
1
+
A
tests/libc/execute/0063-wcspbrk.c
 | 
28
++++++++++++++++++++++++++++
M
tests/libc/execute/libc-tests.lst
 | 
1
+

5 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/src/libc/objs/common-objs.mk b/src/libc/objs/common-objs.mk
@@ -139,6 +139,7 @@ COMMON_OBJS =\
 	wchar/wcsxfrm.$O\
 	wchar/wcsspn.$O\
 	wchar/wcscspn.$O\
+	wchar/wcspbrk.$O\
 	wchar/wcsrtombs.$O\
 	wchar/wcwidth.$O\
 	wchar/wmemchr.$O\
diff --git a/src/libc/wchar/wcspbrk.c b/src/libc/wchar/wcspbrk.c
@@ -0,0 +1,10 @@
+#include <wchar.h>
+
+#undef wcspbrk
+
+wchar_t *
+wcspbrk(const wchar_t *s1, const wchar_t *s2)
+{
+	s1 += wcscspn(s1, s2);
+	return (*s1 != L'\0') ? (wchar_t *) s1 : NULL;
+}
diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -59,4 +59,5 @@
 0060-wcsxfrm
 0061-wcsspn
 0062-wcscspn
+0063-wcspbrk
 test.log
diff --git a/tests/libc/execute/0063-wcspbrk.c b/tests/libc/execute/0063-wcspbrk.c
@@ -0,0 +1,28 @@
+#include <assert.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+done
+end:
+*/
+
+int
+main()
+{
+	wchar_t buf[] = L"abcdef";
+
+	puts("testing");
+	assert(wcspbrk(buf, L"a") == buf);
+	assert(wcspbrk(buf, L"") == NULL);
+	assert(wcspbrk(L"", L"a") == NULL);
+	assert(wcspbrk(L"", L"") == NULL);
+	assert(wcspbrk(buf, L"1234") == NULL);
+	assert(wcspbrk(buf, L"f") == buf + 5);
+	assert(wcspbrk(buf, L"12345a") == buf);
+	puts("done");
+
+	return 0;
+}
diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -58,3 +58,4 @@
 0060-wcsxfrm
 0061-wcsspn
 0062-wcscspn
+0063-wcspbrk