fixing bunch of formatting warnings (gpgpu-sim#53)

* fixing bunch of formating warrnings

* remove unintialized and unused results warnnings

* revert the changes , as it doenst fix the warning

---------

Co-authored-by: Fangjia Shen <[email protected]>

Author: 2 people

libcuda/cuda_runtime_api.cc

@@ -464,10 +464,6 @@ static int get_app_cuda_version() {
       " | grep libcudart.so | sed  's/.*libcudart.so.\\(.*\\) =>.*/\\1/' > " +
       fname;
   int res = system(app_cuda_version_command.c_str());
-  if(res == -1){
-    printf("Error - Cannot detect the app's CUDA version.\n");
-    exit(1);
-  }
   FILE *cmd = fopen(fname, "r");
   char buf[256];
   while (fgets(buf, sizeof(buf), cmd) != 0) {
@@ -3239,11 +3235,6 @@ char *readfile(const std::string filename) {
   // allocate and copy the entire ptx
   char *ret = (char *)malloc((filesize + 1) * sizeof(char));
   int num = fread(ret, 1, filesize, fp);
-  if(num == 0){
-        std::cout << "ERROR: Could not read data from file %s\n"
-              << filename << std::endl;
-    assert(0);
-  }
   ret[filesize] = '\0';
   fclose(fp);
   return ret;