From aac5c9a1e0ab0fdf17c987502c8e288392714055 Mon Sep 17 00:00:00 2001
From: "sgunderson@bigfoot.com" <>
Date: Wed, 31 Jan 2007 19:21:23 +0100
Subject: [PATCH] Generalize the file reading, and store the IPs in memory.

---
 jam.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/jam.c b/jam.c
index 8a64146..a80246a 100644
--- a/jam.c
+++ b/jam.c
@@ -19,7 +19,7 @@ const static struct option longopts[] = {
 	{ NULL, 0, NULL, 0 }
 };
 
-void read_destination_list(char *filename)
+void read_ip_list(char *filename, struct in_addr **addr_list, unsigned *num, unsigned *room)
 {
 	char buf[256];
 	FILE *in = fopen(filename, "r");
@@ -58,7 +58,17 @@ void read_destination_list(char *filename)
 		// just pick the first for now
 		memcpy(&addr.s_addr, he->h_addr_list[0], sizeof(addr.s_addr));
 
-		// FIXME: store here
+		if (*num >= *room) {
+			if (*room == 0) {
+				*room = 16;
+			} else {
+				*room <<= 1;
+			}
+			*addr_list = (struct in_addr *)realloc(*addr_list, *room * sizeof(struct in_addr));
+		}
+
+		(*addr_list)[*num] = addr;
+		++*num;
 	}
 
 	fclose(in);
@@ -72,7 +82,7 @@ void parse_options(int argc, char **argv)
 		int c = getopt_long(argc, argv, "d:p:", longopts, &option_index); 
 		switch (c) {
 		case 'd':
-			read_destination_list(optarg);
+			read_ip_list(optarg, &destinations, &num_destinations, &room_destinations);
 			break;
 		case 'p':
 			port = atoi(optarg);
-- 
2.39.2