diff options
| -rw-r--r-- | src/transport/gnunet_wlan_sender.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/transport/gnunet_wlan_sender.c b/src/transport/gnunet_wlan_sender.c index 89bfa0820a..3aa32fb1c3 100644 --- a/src/transport/gnunet_wlan_sender.c +++ b/src/transport/gnunet_wlan_sender.c @@ -30,6 +30,7 @@ #include <netinet/in.h> #include <string.h> #include <time.h> +#include <errno.h> #include "gnunet_protocols.h" #include "plugin_transport_wlan.h" @@ -216,13 +217,18 @@ int main(int argc, char *argv[]){ } else{ /* A zero PID indicates that this is the child process */ - dup2(commpipe[0],0); /* Replace stdin with the in side of the pipe */ - close(commpipe[1]); /* Close unused side of pipe (out side) */ + (void) close(0); + if (-1 == dup2(commpipe[0],0)) /* Replace stdin with the in side of the pipe */ + fprintf (stderr, + "dup2 failed: %s\n", + strerror (errno)); + (void) close(commpipe[1]); /* Close unused side of pipe (out side) */ /* Replace the child fork with a new process */ - if(execl("gnunet-transport-wlan-helper","gnunet-transport-wlan-helper", argv[1], NULL) == -1){ - fprintf(stderr,"Could not start gnunet-transport-wlan-helper!"); - exit(1); - } + if (execl("gnunet-transport-wlan-helper","gnunet-transport-wlan-helper", argv[1], NULL) == -1) + { + fprintf(stderr,"Could not start gnunet-transport-wlan-helper!"); + _exit(1); + } } return 0; } |