X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fmemmem%2Fmemmem.c;fp=ccan%2Fmemmem%2Fmemmem.c;h=4d3c2e62f75f8a9b057976e0ac10f0acd6deff90;hb=1db16ab68ecaba42daa8e0a38102c04399146f5e;hp=0000000000000000000000000000000000000000;hpb=23636f5911d564fb3a74a49d122a5270d82aaa88;p=ccan

diff --git a/ccan/memmem/memmem.c b/ccan/memmem/memmem.c
new file mode 100644
index 00000000..4d3c2e62
--- /dev/null
+++ b/ccan/memmem/memmem.c
@@ -0,0 +1,25 @@
+/* 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