diff options
-rw-r--r-- | wmiistatus.c | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/wmiistatus.c b/wmiistatus.c index afd3965..696f766 100644 --- a/wmiistatus.c +++ b/wmiistatus.c @@ -59,6 +59,9 @@ #undef _IS_WMIISTATUS_C #include "config.h" +/* socket file descriptor for general purposes */ +static int general_socket; + /* * This function just concats two strings in place, it should only be used * for concatting order to the name of a file or concatting color codes. @@ -336,33 +339,20 @@ static char *get_wireless_info() { static const char *get_ip_address(const char *interface) { static char part[512]; struct ifreq ifr; - int fd; + struct sockaddr_in addr; + socklen_t len = sizeof(struct sockaddr_in); memset(part, 0, sizeof(part)); - if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) - die("Could not create socket"); - - strcpy(ifr.ifr_name, interface); - if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) - die("Could not get interface flags (SIOCGIFFLAGS)"); - - if (!(ifr.ifr_flags & IFF_UP) || - !(ifr.ifr_flags & IFF_RUNNING)) { - close(fd); - return NULL; - } - (void)strcpy(ifr.ifr_name, interface); ifr.ifr_addr.sa_family = AF_INET; - if (ioctl(fd, SIOCGIFADDR, &ifr) == 0) { - struct sockaddr_in addr; - memcpy(&addr, &ifr.ifr_addr, sizeof(struct sockaddr_in)); - (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, (socklen_t)sizeof(struct sockaddr_in)); - if (strlen(part) == 0) - snprintf(part, sizeof(part), "no IP"); - } + if (ioctl(general_socket, SIOCGIFADDR, &ifr) < 0) + return NULL; + + memcpy(&addr, &ifr.ifr_addr, len); + (void)inet_ntop(AF_INET, &addr.sin_addr.s_addr, part, len); + if (strlen(part) == 0) + (void)snprintf(part, sizeof(part), "no IP"); - (void)close(fd); return part; } @@ -379,20 +369,15 @@ static char *get_eth_info() { /* This code path requires root privileges */ struct ifreq ifr; struct ethtool_cmd ecmd; - int fd, err; - - if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) - write_error_to_statusbar("Could not open socket"); + int err; ecmd.cmd = ETHTOOL_GSET; (void)memset(&ifr, 0, sizeof(ifr)); ifr.ifr_data = (caddr_t)&ecmd; (void)strcpy(ifr.ifr_name, eth_interface); - if ((err = ioctl(fd, SIOCETHTOOL, &ifr)) == 0) + if ((err = ioctl(general_socket, SIOCETHTOOL, &ifr)) == 0) ethspeed = (ecmd.speed == 65535 ? 0 : ecmd.speed); else get_ethspeed = false; - - (void)close(fd); } if (ip_address == NULL) @@ -462,6 +447,9 @@ int main(int argc, char *argv[]) { setup(); + if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1) + die("Could not create socket"); + while (1) { for (i = 0; i < num_run_watches; i += 2) { bool running = process_runs(run_watches[i+1]); |