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Abort loading if the file size is larger than the reported # of facets in the file header.

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This commit is contained in:
Joseph Lenox 2017-03-26 15:20:24 -05:00
parent f9f8be46e3
commit 66df176447
1 changed files with 6 additions and 0 deletions
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6
xs/src/admesh/stlinit.c
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@ -131,6 +131,12 @@ stl_count_facets(stl_file *stl, const char *file) {
if((!fread(&header_num_facets, sizeof(int), 1, stl->fp)) || (num_facets != header_num_facets)) { if((!fread(&header_num_facets, sizeof(int), 1, stl->fp)) || (num_facets != header_num_facets)) {
fprintf(stderr, fprintf(stderr,
"Warning: File size doesn't match number of facets in the header\n"); "Warning: File size doesn't match number of facets in the header\n");
if(num_facets > header_num_facets) {
// this file is garbage.
stl->error = 1;
return;
}
} }
} }
/* Otherwise, if the .STL file is ASCII, then do the following */ /* Otherwise, if the .STL file is ASCII, then do the following */