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root/Development/ray/src/px/pflip.c
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Comparing ray/src/px/pflip.c (file contents):
Revision 2.9 by greg, Tue Aug 8 18:04:41 2006 UTC vs.
Revision 2.13 by greg, Fri Jun 6 19:11:21 2025 UTC

# Line 5 | Line 5 | static const char      RCSid[] = "$Id$";
5   * flip picture file horizontally and/or vertically
6   */
7  
8 < #include <stdio.h>
9 < #include  <time.h>
10 < #include  <string.h>
11 <
8 > #include "rtio.h"
9 > #include "paths.h"
10   #include "platform.h"
11   #include "color.h"
12   #include "resolu.h"
# Line 24 | Line 22 | int    correctorder = 0;               /* correcting orientation? */
22  
23   FILE    *fin;                           /* input file */
24  
27 – char    *progname;
25  
29 –
26   static void memerr(void);
27   static void scanfile(void);
28   static void flip(void);
# Line 55 | Line 51 | main(
51          char    *argv[]
52   )
53   {
54 <        static char     picfmt[LPICFMT+1] = PICFMT;
54 >        static char     picfmt[MAXFMTLEN] = PICFMT;
55          int     i, rval;
56 +        
57          SET_DEFAULT_BINARY();
58          SET_FILE_BINARY(stdout);
59 <        progname = argv[0];
59 >        fixargv0(argv[0]);
60  
61          for (i = 1; i < argc; i++)
62                  if (!strcmp(argv[i], "-h"))
# Line 70 | Line 67 | main(
67                          correctorder++;
68                  else
69                          break;
70 +        if (i < argc-2)
71 +                goto userr;
72 +        if (!fhoriz && !fvert)
73 +                fprintf(stderr, "%s: warning - no operation\n", argv[0]);
74          if (i >= argc || argv[i][0] == '-') {
75 <                fprintf(stderr, "Usage: %s [-h][-v][-c] infile [outfile]\n",
76 <                                progname);
77 <                exit(1);
78 <        }
79 <        if ((fin = fopen(argv[i], "r")) == NULL) {
75 >                if (fvert)
76 >                        goto userr;
77 >                SET_FILE_BINARY(stdin);
78 >                fin = stdin;
79 >        } else if ((fin = fopen(argv[i], "r")) == NULL) {
80                  fprintf(stderr, "%s: cannot open\n", argv[i]);
81                  exit(1);
82          }
# Line 106 | Line 107 | main(
107                  scanfile();
108          flip();                         /* flip the image */
109          exit(0);
110 + userr:
111 +        fprintf(stderr, "Usage: %s [-h][-v][-c] infile [outfile]\n",
112 +                        progname);
113 +        exit(1);
114   }
115  
116  

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