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root/radiance/ray/src/util/getinfo.c
Revision: 2.9
Committed: Sat Jun 9 04:24:16 2012 UTC (10 years, 5 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.8: +9 -1 lines
Log Message:
Changed character i/o calls to unlocked versions

File Contents

# User Rev Content
1 greg 1.1 #ifndef lint
2 greg 2.9 static const char RCSid[] = "$Id: getinfo.c,v 2.8 2004/01/02 11:44:24 schorsch Exp $";
3 greg 1.1 #endif
4     /*
5     * getinfo.c - program to read info. header from file.
6     *
7     * 1/3/86
8     */
9    
10     #include <stdio.h>
11 schorsch 2.8 #include <string.h>
12 greg 1.1
13 schorsch 2.6 #include "platform.h"
14 schorsch 2.8 #include "resolu.h"
15 greg 2.2
16 greg 2.9 #ifdef getc_unlocked /* avoid nasty file-locking overhead */
17     #undef getchar
18     #undef putchar
19     #define getchar getchar_unlocked
20     #define putchar putchar_unlocked
21     #endif
22    
23    
24 schorsch 2.8 static gethfunc tabstr;
25     static void getdim(register FILE *fp);
26     static void copycat(void);
27 greg 1.1
28 greg 1.3
29 schorsch 2.8 static int
30     tabstr( /* put out line followed by tab */
31     register char *s,
32     void *p
33     )
34 greg 1.1 {
35     while (*s) {
36     putchar(*s);
37     s++;
38     }
39     if (*--s == '\n')
40     putchar('\t');
41 gwlarson 2.4 return(0);
42 greg 1.1 }
43    
44    
45 schorsch 2.8 int
46     main(
47     int argc,
48     char **argv
49     )
50 greg 1.1 {
51     int dim = 0;
52     FILE *fp;
53     int i;
54    
55     if (argc > 1 && !strcmp(argv[1], "-d")) {
56     argc--; argv++;
57     dim = 1;
58 schorsch 2.6 SET_DEFAULT_BINARY(); /* for output file */
59     SET_FILE_BINARY(stdin);
60 greg 1.2 } else if (argc == 2 && !strcmp(argv[1], "-")) {
61 schorsch 2.6 SET_FILE_BINARY(stdin);
62     SET_FILE_BINARY(stdout);
63 greg 2.3 getheader(stdin, NULL, NULL);
64 greg 1.2 copycat();
65 schorsch 2.8 return 0;
66 greg 1.1 }
67     for (i = 1; i < argc; i++) {
68     fputs(argv[i], stdout);
69     if ((fp = fopen(argv[i], "r")) == NULL)
70     fputs(": cannot open\n", stdout);
71     else {
72     if (dim) {
73     fputs(": ", stdout);
74     getdim(fp);
75     } else {
76 schorsch 2.8 tabstr(":\n", NULL);
77 greg 1.3 getheader(fp, tabstr, NULL);
78 greg 1.1 putchar('\n');
79     }
80     fclose(fp);
81     }
82     }
83 schorsch 2.7 if (argc == 1) {
84 greg 1.1 if (dim) {
85     getdim(stdin);
86     } else {
87 schorsch 2.8 getheader(stdin, (gethfunc*)fputs, stdout);
88 greg 1.1 putchar('\n');
89     }
90 schorsch 2.7 }
91 schorsch 2.8 return 0;
92 greg 1.1 }
93    
94    
95 schorsch 2.8 static void
96     getdim( /* get dimensions from file */
97     register FILE *fp
98     )
99 greg 1.1 {
100     int j;
101     register int c;
102    
103 greg 2.3 getheader(fp, NULL, NULL); /* skip header */
104 greg 1.1
105     switch (c = getc(fp)) {
106     case '+': /* picture */
107     case '-':
108     do
109     putchar(c);
110     while (c != '\n' && (c = getc(fp)) != EOF);
111     break;
112     case 1: /* octree */
113     getc(fp);
114     j = 0;
115     while ((c = getc(fp)) != EOF)
116     if (c == 0)
117     if (++j >= 4)
118     break;
119     else
120     putchar(' ');
121     else
122     putchar(c);
123     putchar('\n');
124     break;
125     default: /* ??? */
126     fputs("unknown file type\n", stdout);
127     break;
128     }
129 greg 1.2 }
130    
131    
132 schorsch 2.8 static void
133     copycat(void) /* copy input to output */
134 greg 1.2 {
135     register int c;
136 greg 2.3
137 greg 1.2 while ((c = getchar()) != EOF)
138     putchar(c);
139 greg 1.1 }