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Fix udmfvis on Windows, added sanity check in case of invalid data.

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This commit is contained in:
Marisa the Magician 2018-08-10 13:13:24 +02:00
commit 8219fcf42d
1 changed files with 7 additions and 1 deletions
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8
udmfvis.c
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@ -538,7 +538,7 @@ int main( int argc, char **argv )
fprintf(stderr,"usage: %s <textmap> [width]\n",argv[0]);
return 1;
}
FILE *tmap = fopen(argv[1],"r");
FILE *tmap = fopen(argv[1],"rb");
if ( !tmap )
{
fprintf(stderr,"couldn't open textmap: %s\n",strerror(errno));
@ -608,6 +608,12 @@ int main( int argc, char **argv )
}
}
fclose(tmap);
/* sanity check */
if ( (nverts <= 0) || (nlines <= 0) || (nsides <= 0) )
{
fprintf(stderr,"No valid map data found.\n");
return 4;
}
/* transfer info to sides */
for ( int i=0; i<nlines; i++ )
{