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moved some code around, changed how we print the debugging

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This commit is contained in:
charmlesscoin 2013-08-01 16:33:03 -04:00
parent 8a0800da4e
commit 939c4afd2c
1 changed files with 7 additions and 5 deletions
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12
core/LAN_discovery.c
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@ -27,17 +27,20 @@
#define ERR_IOCTL 0
#ifdef __linux
/* get the first working broadcast address that's not from "lo"
* returns higher than 0 on success
* returns ERR_IOCTL on error */
uint32_t get_broadcast(void)
{
/* not sure how many platforms this will
* run on, so it's wrapped in __linux for now */
struct ifconf ifconf;
struct sockaddr_in *sock_holder = NULL;
struct ifreq i_faces[MAX_INTERFACES];
struct in_addr result;
struct ifconf ifconf;
int count = 0;
int sock = 0;
int i = 0;
struct sockaddr_in *sock_holder = NULL;
struct in_addr result;
/* configure ifconf for the ioctl call */
sock = socket(AF_INET, SOCK_STREAM, 0);
@ -55,7 +58,6 @@ uint32_t get_broadcast(void)
for(i = 0; i < count; i++) {
/* skip the loopback interface, as it's useless */
if(strcmp(i_faces[i].ifr_name, "lo") != 0) {
fprintf(stderr, "device name: %s\n", i_faces[i].ifr_name);
if(ioctl(sock, SIOCGIFBRDADDR, &i_faces[i]) < 0) {
perror("[!] get_broadcast: ioctl error");
return ERR_IOCTL;
@ -72,7 +74,7 @@ uint32_t get_broadcast(void)
result.s_addr = sock_holder->sin_addr.s_addr;
inet_ntop(AF_INET, &result, test, INET_ADDRSTRLEN);
fputs(test, stderr);
fprintf(stderr, "broadcast address for %s: %s\n", i_faces[i].ifr_name, test);
getchar();
return sock_holder->sin_addr.s_addr;