X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fnetwork%2Finet_aton.c;h=c65f7c2c039dbeb9e3757bdf4644ed536aff468e;hb=f897461d4fe72bb71854a6d0662de83008caccb7;hp=ea4ee1650ab4e72d92c8cd16c1043c02db36af7c;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/network/inet_aton.c b/src/network/inet_aton.c
index ea4ee165..c65f7c2c 100644
--- a/src/network/inet_aton.c
+++ b/src/network/inet_aton.c
@@ -1,7 +1,41 @@
+#include <ctype.h>
 #include <sys/socket.h>
+#include <netinet/in.h>
 #include <arpa/inet.h>
+#include <stdlib.h>
 
-int inet_aton(const char *cp, struct in_addr *inp)
+int __inet_aton(const char *s0, struct in_addr *dest)
 {
-	return inet_pton(AF_INET, cp, (void *)inp) > 0;
+	const char *s = s0;
+	unsigned char *d = (void *)dest;
+	unsigned long a[4] = { 0 };
+	char *z;
+	int i;
+
+	for (i=0; i<4; i++) {
+		a[i] = strtoul(s, &z, 0);
+		if (z==s || (*z && *z != '.') || !isdigit(*s))
+			return 0;
+		if (!*z) break;
+		s=z+1;
+	}
+	if (i==4) return 0;
+	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;
+	}
+	for (i=0; i<4; i++) {
+		if (a[i] > 255) return 0;
+		d[i] = a[i];
+	}
+	return 1;
 }
+
+weak_alias(__inet_aton, inet_aton);