avoid integer overflow

2023-05-03 00:39:59 -04:00
parent 89d59fad61
commit 2542a7e840
1 changed files with 1 additions and 1 deletions
--- a/tools/phonon/dynmat.cpp
+++ b/tools/phonon/dynmat.cpp
@ -137,7 +137,7 @@ DynMat::DynMat(int narg, char **arg)
   memory->create(DM_q, fftdim,fftdim,"DynMat:DM_q");
 
   // read all dynamical matrix info into DM_all
-   if (fread(DM_all[0], sizeof(doublecomplex), npt*fftdim2, fp) != size_t(npt*fftdim2)){
+   if (fread(DM_all[0], sizeof(doublecomplex), npt*size_t(fftdim2), fp) != npt*size_t(fftdim2)) {
      printf("\nError while reading the DM from file: %s\n", binfile);
      fclose(fp);
      exit(1);