likely \
list \
md4 \
+ memmem \
net \
nfs \
noerr \
--- /dev/null
+../../licenses/CC0
\ No newline at end of file
--- /dev/null
+#include <string.h>
+#include "config.h"
+
+/**
+ * memmem - Trivial module providing a memmem() implementation
+ *
+ * This code implements memmem() if it's not alreayd available in the
+ * C library.
+ *
+ * License: CC0
+ */
+int main(int argc, char *argv[])
+{
+ /* Expect exactly one argument */
+ if (argc != 2)
+ return 1;
+
+ if (strcmp(argv[1], "depends") == 0) {
+ return 0;
+ }
+
+ if (strcmp(argv[1], "testdepends") == 0) {
+ printf("ccan/array_size");
+ return 0;
+ }
+
+ return 1;
+}
--- /dev/null
+/* CC0 (Public domain) - see LICENSE file for details */
+
+#include <string.h>
+#include <ccan/memmem/memmem.h>
+
+#if !HAVE_MEMMEM
+void *memmem(const void *haystack, size_t haystacklen,
+ const void *needle, size_t needlelen)
+{
+ const char *p;
+
+ if (needlelen > haystacklen)
+ return NULL;
+
+ p = haystack;
+
+ for (p = haystack;
+ (p + needlelen) <= (haystack + haystacklen);
+ p++)
+ if (memcmp(p, needle, needlelen) == 0)
+ return (void *)p;
+
+ return NULL;
+}
+#endif
--- /dev/null
+/* CC0 (Public domain) - see LICENSE file for details */
+#ifndef CCAN_MEMMEM_H
+#define CCAN_MEMMEM_H
+
+#include "config.h"
+
+#include <string.h>
+
+#if !HAVE_MEMMEM
+void *memmem(const void *haystack, size_t haystacklen,
+ const void *needle, size_t needlelen);
+#endif
+
+#endif /* CCAN_MEMMEM_H */
--- /dev/null
+#include <ccan/array_size/array_size.h>
+#include <ccan/memmem/memmem.h>
+#include <ccan/tap/tap.h>
+
+int main(void)
+{
+ char haystack1[] = "abcd\0efgh";
+ char needle1[] = "ab";
+ char needle2[] = "d\0e";
+
+ /* This is how many tests you plan to run */
+ plan_tests(3);
+
+ ok1(memmem(haystack1, sizeof(haystack1), needle1, 2) == haystack1);
+ ok1(memmem(haystack1, sizeof(haystack1), needle1, 3) == NULL);
+ ok1(memmem(haystack1, sizeof(haystack1), needle2, 3) == (haystack1 + 3));
+
+ /* This exits depending on whether all tests passed */
+ return exit_status();
+}