From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 18 Jan 2007 08:49:50 +0000 (+0000)
Subject: support partial IP addresses in the ipv4 address parser, this fixes the 20+ second... 
X-Git-Tag: xonotic-v0.1.0preview~3707
X-Git-Url: https://git.xonotic.org/?a=commitdiff_plain;h=f4d2a29a1fc44ff088c99b70c66e6749c8c24683;p=xonotic%2Fdarkplaces.git

support partial IP addresses in the ipv4 address parser, this fixes the 20+ second delay when parsing status messages on some modified quake servers that report only partial addresses (hiding the last octet)


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@6697 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/lhnet.c b/lhnet.c
index 4099ac68..4f820099 100644
--- a/lhnet.c
+++ b/lhnet.c
@@ -134,7 +134,9 @@ int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int def
 		return 1;
 	}
 	// try to parse as dotted decimal ipv4 address first
-	if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) == 4 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
+	// note this supports partial ip addresses
+	d1 = d2 = d3 = d4 = 0;
+	if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) >= 1 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
 	{
 		// parsed a valid ipv4 address
 		address->addresstype = LHNETADDRESSTYPE_INET4;