X-Git-Url: http://git.onelab.eu/?p=vsys-scripts.git;a=blobdiff_plain;f=slice-context%2Fsrc%2Fvsys.c;fp=slice-context%2Fsrc%2Fvsys.c;h=dbe8f14061429a0974b9e0c446f110f070e90733;hp=186e47f6b5658493897736d2d0560c1013d43fe1;hb=350a4faf4c30082f4087e6b1bf716c63719dfe6d;hpb=415b612c9d4eaa4d28846108b7468ad08fa6be2e;ds=sidebyside

diff --git a/slice-context/src/vsys.c b/slice-context/src/vsys.c
index 186e47f..dbe8f14 100644
--- a/slice-context/src/vsys.c
+++ b/slice-context/src/vsys.c
@@ -190,7 +190,7 @@ static int _fifo_push (const char *fifo_in, const char *fifo_out,
   }
 
   // send inputs to the fifo_in
-  fprintf (in, input);
+  fprintf (in, "%s", input);
 
   // force flush and close the fifo_in so the program on the other side
   // can process input.
@@ -199,7 +199,7 @@ static int _fifo_push (const char *fifo_in, const char *fifo_out,
   nbytes = fread(msg, SIZE, 1, out);
  
   // the error buffer will not be empty if we read an error
-  if (strcmp(msg, "") != 0){
+  if ((nbytes > 0) && (strcmp(msg, "") != 0)) {
       // an errror was read from the fifo_out ...
       return -3;
   }
@@ -281,7 +281,7 @@ int _fd_tuntap(int if_type, int no_pi, char *if_name) {
   vsys_sock = socket (AF_UNIX, SOCK_STREAM, 0);
 
   if (vsys_sock == -1){
-    snprintf (if_name, SIZE, strerror(errno));
+    snprintf (if_name, SIZE, "%s", strerror(errno));
     return -2;
   }
 
@@ -294,7 +294,7 @@ int _fd_tuntap(int if_type, int no_pi, char *if_name) {
     sizeof(struct sockaddr_un));
 
   if (ret == -1){
-    snprintf (if_name, SIZE, strerror(errno));
+    snprintf (if_name, SIZE, "%s", strerror(errno));
     return -3;
   }
  
@@ -321,7 +321,7 @@ int _fd_tuntap(int if_type, int no_pi, char *if_name) {
   ret = ioctl (fd, TUNGETIFF, (void *)&ifr);
   if (ret == -1){
     close (fd);
-    snprintf (if_name, SIZE, strerror(errno));
+    snprintf (if_name, SIZE, "%s", strerror(errno));
     return -6;
   }
   
@@ -338,7 +338,7 @@ int _fd_tuntap(int if_type, int no_pi, char *if_name) {
   ret = ioctl (fd, TUNSETIFF, (void *)&ifr);
   if (ret == -1){
     close (fd);
-    snprintf (if_name, SIZE, strerror(errno));
+    snprintf (if_name, SIZE, "%s", strerror(errno));
     return -7;
   }
 */