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root/radiance/ray/src/util/getinfo.c
Revision: 2.4
Committed: Tue Oct 27 08:47:17 1998 UTC (24 years, 1 month ago) by gwlarson
Content type: text/plain
Branch: MAIN
Changes since 2.3: +2 -0 lines
Log Message:
changed getheader() to listen to return value of passed function

File Contents

# Content
1 /* Copyright (c) 1992 Regents of the University of California */
2
3 #ifndef lint
4 static char SCCSid[] = "$SunId$ LBL";
5 #endif
6
7 /*
8 * getinfo.c - program to read info. header from file.
9 *
10 * 1/3/86
11 */
12
13 #include <stdio.h>
14
15 #ifdef MSDOS
16 #include <fcntl.h>
17 extern int _fmode;
18 #endif
19
20 extern int fputs();
21
22
23 int
24 tabstr(s) /* put out line followed by tab */
25 register char *s;
26 {
27 while (*s) {
28 putchar(*s);
29 s++;
30 }
31 if (*--s == '\n')
32 putchar('\t');
33 return(0);
34 }
35
36
37 main(argc, argv)
38 int argc;
39 char **argv;
40 {
41 int dim = 0;
42 FILE *fp;
43 int i;
44
45 if (argc > 1 && !strcmp(argv[1], "-d")) {
46 argc--; argv++;
47 dim = 1;
48 #ifdef MSDOS
49 setmode(fileno(stdin), _fmode = O_BINARY);
50 #endif
51 } else if (argc == 2 && !strcmp(argv[1], "-")) {
52 #ifdef MSDOS
53 setmode(fileno(stdin), O_BINARY);
54 setmode(fileno(stdout), O_BINARY);
55 #endif
56 getheader(stdin, NULL, NULL);
57 copycat();
58 exit(0);
59 }
60 for (i = 1; i < argc; i++) {
61 fputs(argv[i], stdout);
62 if ((fp = fopen(argv[i], "r")) == NULL)
63 fputs(": cannot open\n", stdout);
64 else {
65 if (dim) {
66 fputs(": ", stdout);
67 getdim(fp);
68 } else {
69 tabstr(":\n");
70 getheader(fp, tabstr, NULL);
71 putchar('\n');
72 }
73 fclose(fp);
74 }
75 }
76 if (argc == 1)
77 if (dim) {
78 getdim(stdin);
79 } else {
80 getheader(stdin, fputs, stdout);
81 putchar('\n');
82 }
83 exit(0);
84 }
85
86
87 getdim(fp) /* get dimensions from file */
88 register FILE *fp;
89 {
90 int j;
91 register int c;
92
93 getheader(fp, NULL, NULL); /* skip header */
94
95 switch (c = getc(fp)) {
96 case '+': /* picture */
97 case '-':
98 do
99 putchar(c);
100 while (c != '\n' && (c = getc(fp)) != EOF);
101 break;
102 case 1: /* octree */
103 getc(fp);
104 j = 0;
105 while ((c = getc(fp)) != EOF)
106 if (c == 0)
107 if (++j >= 4)
108 break;
109 else
110 putchar(' ');
111 else
112 putchar(c);
113 putchar('\n');
114 break;
115 default: /* ??? */
116 fputs("unknown file type\n", stdout);
117 break;
118 }
119 }
120
121
122 copycat() /* copy input to output */
123 {
124 register int c;
125
126 while ((c = getchar()) != EOF)
127 putchar(c);
128 }