X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Ffunctional%2Fstring_memmem.c;fp=src%2Ffunctional%2Fstring_memmem.c;h=d21164ab3cd1b0ad9af6b5c45fd587cdbe0fe7d6;hb=2cf89517c5b25c2524fe0c0c01ed277d7307a852;hp=0000000000000000000000000000000000000000;hpb=e248db1c46f61cf34548e739bc6ff106013b1ba2;p=libc-test

diff --git a/src/functional/string_memmem.c b/src/functional/string_memmem.c
new file mode 100644
index 0000000..d21164a
--- /dev/null
+++ b/src/functional/string_memmem.c
@@ -0,0 +1,58 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+#include <string.h>
+#include "test.h"
+
+#define N(s, sub) { \
+	char *p = s; \
+	char *q = memmem(p, strlen(p), sub, strlen(sub)); \
+	if (q) \
+		error("memmem(%s,%s) returned str+%d, wanted 0\n", #s, #sub, q-p); \
+}
+
+#define T(s, sub, n) { \
+	char *p = s; \
+	char *q = memmem(p, strlen(p), sub, strlen(sub)); \
+	if (q == 0) \
+		error("memmem(%s,%s) returned 0, wanted str+%d\n", #s, #sub, n); \
+	else if (q - p != n) \
+		error("memmem(%s,%s) returned str+%d, wanted str+%d\n", #s, #sub, q-p, n); \
+}
+
+int main(void)
+{
+	N("", "a")
+	N("a", "aa")
+	N("a", "b")
+	N("aa", "ab")
+	N("aa", "aaa")
+	N("abba", "aba")
+	N("abc abc", "abcd")
+	N("0-1-2-3-4-5-6-7-8-9", "-3-4-56-7-8-")
+	N("0-1-2-3-4-5-6-7-8-9", "-3-4-5+6-7-8-")
+	N("_ _ _\xff_ _ _", "_\x7f_")
+	N("_ _ _\x7f_ _ _", "_\xff_")
+
+	T("", "", 0)
+	T("abcd", "", 0)
+	T("abcd", "a", 0)
+	T("abcd", "b", 1)
+	T("abcd", "c", 2)
+	T("abcd", "d", 3)
+	T("abcd", "ab", 0)
+	T("abcd", "bc", 1)
+	T("abcd", "cd", 2)
+	T("ababa", "baba", 1)
+	T("ababab", "babab", 1)
+	T("abababa", "bababa", 1)
+	T("abababab", "bababab", 1)
+	T("ababababa", "babababa", 1)
+	T("nanabanabanana", "aba", 3)
+	T("nanabanabanana", "ban", 4)
+	T("nanabanabanana", "anab", 1)
+	T("nanabanabanana", "banana", 8)
+	T("_ _\xff_ _", "_\xff_", 2)
+
+	return test_status;
+}