From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

---
 src/network/__ipparse.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/network/__ipparse.c

(limited to 'src/network/__ipparse.c')

diff --git a/src/network/__ipparse.c b/src/network/__ipparse.c
new file mode 100644
index 00000000..ca9e5890
--- /dev/null
+++ b/src/network/__ipparse.c
@@ -0,0 +1,40 @@
+#include <string.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "__dns.h"
+#include <stdio.h>
+
+int __ipparse(void *dest, int family, const char *s)
+{
+	unsigned char *d = dest;
+	unsigned long a[16] = { 0 };
+	const char *z;
+	int i;
+
+	if (family == AF_INET6) goto not_v4;
+
+	for (i=0; i<4 && *s; i++) {
+		a[i] = strtoul(s, (char **)&z, 0);
+		if (z==s || (*z && *z != '.')) goto not_v4;
+		s=z+1;
+	}
+	switch (i) {
+	case 0:
+		a[1] = a[0] & 0xffffff;
+		a[0] >>= 24;
+	case 1:
+		a[2] = a[1] & 0xffff;
+		a[1] >>= 16;
+	case 2:
+		a[3] = a[2] & 0xff;
+		a[2] >>= 8;
+	}
+	((struct sockaddr_in *)d)->sin_family = AF_INET;
+	d = (void *)&((struct sockaddr_in *)d)->sin_addr;
+	for (i=0; i<4; i++) d[i] = a[i];
+	return 0;
+
+not_v4:
+	return -1;
+}
-- 
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