Use negative return values on errors

This commit is contained in:
Arnout Engelen
2012-03-15 20:53:25 +00:00
parent d7476faae1
commit 2c04ca9267
4 changed files with 7 additions and 7 deletions

View File

@@ -430,7 +430,7 @@ void do_refresh()
}
else
{
forceExit("Invalid viewmode");
forceExit("Invalid viewmode", -1);
}
uid_t uid = curproc->getVal()->getUid();
#ifndef NDEBUG

View File

@@ -222,7 +222,7 @@ void quit_cb (int /* i */)
exit(0);
}
void forceExit(const char *msg, ...)
void forceExit(const char *msg, int errcode, ...)
{
if ((!tracemode)&&(!DEBUG)){
exit_ui();
@@ -234,7 +234,7 @@ void forceExit(const char *msg, ...)
va_end(argp);
std::cerr << std::endl;
exit(0);
exit(errcode);
}
static void versiondisplay(void)
@@ -331,7 +331,7 @@ int main (int argc, char** argv)
}
if (NEEDROOT && (getuid() != 0))
forceExit("You need to be root to run NetHogs!");
forceExit("You need to be root to run NetHogs!", -2);
char errbuf[PCAP_ERRBUF_SIZE];

View File

@@ -63,7 +63,7 @@
#define PROGNAME_WIDTH 512
void forceExit(const char *msg, ...);
void forceExit(const char *msg, int errcode, ...);
class local_addr {
public:

View File

@@ -61,11 +61,11 @@ void getLocal (const char *device, bool tracemode)
struct sockaddr_in *saddr;
if((sock=socket(AF_INET, SOCK_RAW, htons(0x0806)))<0){
forceExit("creating socket failed while establishing local IP - are you root?");
forceExit("creating socket failed while establishing local IP - are you root?", -3);
}
strcpy(iFreq.ifr_name, device);
if(ioctl(sock, SIOCGIFADDR, &iFreq)<0){
forceExit("ioctl failed while establishing local IP for selected device %s. You may specify the device on the command line.", device);
forceExit("ioctl failed while establishing local IP for selected device %s. You may specify the device on the command line.", -4, device);
}
saddr=(struct sockaddr_in*)&iFreq.ifr_addr;
local_addrs = new local_addr (saddr->sin_addr.s_addr, local_addrs);