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more sscanf() return value checking

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This commit is contained in:
Axel Kohlmeyer
2019-07-19 12:01:16 -04:00
parent d730ef5b19
commit e72aef2a96
3 changed files with 13 additions and 10 deletions
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9
src/procmap.cpp
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@ -301,7 +301,8 @@ void ProcMap::custom_grid(char *cfile, int nprocs,
MPI_Bcast(&n,1,MPI_INT,0,world);
MPI_Bcast(line,n,MPI_CHAR,0,world);
sscanf(line,"%d %d %d",&procgrid[0],&procgrid[1],&procgrid[2]);
int rv = sscanf(line,"%d %d %d",&procgrid[0],&procgrid[1],&procgrid[2]);
if (rv != 3) error->all(FLERR,"Processors custom grid file is inconsistent");
int flag = 0;
if (procgrid[0]*procgrid[1]*procgrid[2] != nprocs) flag = 1;
@ -320,8 +321,10 @@ void ProcMap::custom_grid(char *cfile, int nprocs,
for (int i = 0; i < nprocs; i++) {
if (!fgets(line,MAXLINE,fp))
error->one(FLERR,"Unexpected end of custom file");
sscanf(line,"%d %d %d %d",
&cmap[i][0],&cmap[i][1],&cmap[i][2],&cmap[i][3]);
rv = sscanf(line,"%d %d %d %d",
&cmap[i][0],&cmap[i][1],&cmap[i][2],&cmap[i][3]);
if (rv != 4)
error->one(FLERR,"Processors custom grid file is inconsistent");
}
fclose(fp);
}