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Comparing ray/src/common/image.c (file contents):
Revision 2.48 by greg, Fri Apr 27 18:09:26 2018 UTC vs.
Revision 2.50 by greg, Sat May 4 00:36:58 2019 UTC

# Line 386 | Line 386 | int  ac,
386   char  *av[]
387   )
388   {
389 < #define check(c,l)      if ((av[0][c]&&av[0][c]!=' ') || \
389 > #define check(c,l)      if ((av[0][c]&&!isspace(av[0][c])) || \
390                          badarg(ac-1,av+1,l)) return(-1)
391  
392          if (ac <= 0 || av[0][0] != '-' || av[0][1] != 'v')
393                  return(-1);
394          switch (av[0][2]) {
395          case 't':                       /* type */
396 <                if (!av[0][3] || av[0][3]==' ')
396 >                if (!av[0][3] || isspace(av[0][3]))
397                          return(-1);
398                  check(4,"");
399                  v->type = av[0][3];
# Line 578 | Line 578 | char  *s
578          }
579                                          /* skip leading path */
580          cp = s;
581 <        while (*cp && *cp != ' ')
581 >        while (*cp && !isspace(*cp))
582                  cp++;
583          while (cp > s && !ISDIRSEP(cp[-1]))
584                  cp--;
# Line 630 | Line 630 | RESOLU  *rp
630          if (rp != NULL && !fgetsresolu(rp, fp))
631                  mvs.ok = 0;
632  
633 <        fclose(fp);
633 >        if (fp != stdin)
634 >                fclose(fp);
635  
636          return(mvs.ok);
637   }

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