- pnm_readpaminit(f, &inpam, sizeof(inpam));
- dbassert(inpam.maxval == 255);
- dbassert(inpam.bytes_per_sample == 1);
- dbassert(inpam.format == PPM_FORMAT);
+ char magic[10];
+ dbfile_getsline(magic,sizeof(magic),__FILE__,__LINE__);
+
+ dbassert(!strcmp(magic,"P3"));
+ int w,h,maxval;
+ dbassert( dbfile_scanf("%d %d %d",&w,&h,&maxval) == 3);
+ dbassert(w>0); dbassert(h>0); dbassert(maxval==255);