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root/radiance/ray/src/util/getinfo.c
Revision: 2.25
Committed: Wed Apr 13 15:43:06 2022 UTC (7 months, 2 weeks ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 2.24: +5 -3 lines
Log Message:
fix(getinfo): More consistent behavior using -r option

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: getinfo.c,v 2.24 2022/03/21 17:11:29 greg Exp $";
3 #endif
4 /*
5 * getinfo.c - program to read info. header from file.
6 *
7 * 1/3/86
8 */
9
10 #include <ctype.h>
11 #include "rtio.h"
12 #include "platform.h"
13 #include "rtprocess.h"
14 #include "resolu.h"
15
16 static char fmt[MAXFMTLEN] = "*";
17
18
19 static int
20 tabstr( /* put out line followed by tab */
21 char *s,
22 void *p
23 )
24 {
25 while (*s) {
26 putchar(*s);
27 s++;
28 }
29 if (*--s == '\n')
30 fputc('\t', stdout);
31 return(0);
32 }
33
34
35 static int
36 adjheadline( /* check for lines to remove */
37 char *s,
38 void *p
39 )
40 {
41 char **av;
42
43 if (formatval(fmt, s))
44 return(0); /* don't echo format */
45
46 /* check for match to skip */
47 for (av = (char **)p; *av; av++) {
48 char *s1 = s;
49 char *s2 = *av;
50 if (isspace(*s2)) {
51 if (!isspace(*s1))
52 continue;
53 while (isspace(*++s1)) ;
54 while (isspace(*++s2)) ;
55 }
56 while (*s2 && *s1 == *s2) {
57 if ((*s1 == '=') & (s1 > s))
58 return(0);
59 if (isspace(*s2))
60 break;
61 s1++; s2++;
62 }
63 if (s1 == s)
64 continue;
65 if ((*s1 == '=') & !*s2)
66 return(0);
67 if (isspace(*s1) & isspace(*s2))
68 return(0);
69 }
70 fputs(s, stdout); /* copy if no match */
71 return(0);
72 }
73
74
75 static void
76 getdim( /* get dimensions from file */
77 FILE *fp
78 )
79 {
80 int j;
81 int c;
82
83 switch (c = getc(fp)) {
84 case '+': /* picture */
85 case '-':
86 do
87 putchar(c);
88 while (c != '\n' && (c = getc(fp)) != EOF);
89 break;
90 case 1: /* octree */
91 getc(fp);
92 j = 0;
93 while ((c = getc(fp)) != EOF)
94 if (c == 0) {
95 if (++j >= 4)
96 break;
97 fputc(' ', stdout);
98 } else {
99 putchar(c);
100 }
101 fputc('\n', stdout);
102 break;
103 default: /* ??? */
104 fputs("unknown file type\n", stdout);
105 break;
106 }
107 }
108
109
110 static void
111 copycat(void) /* copy input to output */
112 {
113 char buf[8192];
114 int n;
115
116 fflush(stdout);
117 while ((n = fread(buf, 1, sizeof(buf), stdin)) > 0)
118 if (writebuf(fileno(stdout), buf, n) != n)
119 break;
120 }
121
122
123 int
124 main(
125 int argc,
126 char **argv
127 )
128 {
129 int dim = 0;
130 FILE *fp;
131 int i;
132
133 if (argc > 1 && (argv[1][0] == '-') | (argv[1][0] == '+') &&
134 argv[1][1] == 'd') {
135 dim = 1 - 2*(argv[1][0] == '-');
136 argc--; argv++;
137 }
138 #ifdef getc_unlocked /* avoid lock/unlock overhead */
139 flockfile(stdin);
140 flockfile(stdout);
141 #endif
142 SET_FILE_BINARY(stdin);
143 if (argc > 2 && !strcmp(argv[1], "-c")) {
144 SET_FILE_BINARY(stdout);
145 setvbuf(stdin, NULL, _IONBF, 2);
146 if (checkheader(stdin, fmt, stdout) < 0) {
147 fputs("Bad header!\n", stderr);
148 return 1;
149 }
150 printargs(argc-2, argv+2, stdout);
151 if (fmt[0] != '*') /* better be the same! */
152 fputformat(fmt, stdout);
153 fputc('\n', stdout);
154 if (dim) { /* copy resolution string? */
155 RESOLU rs;
156 if (!fgetsresolu(&rs, stdin)) {
157 fputs("No resolution string!\n", stderr);
158 return 1;
159 }
160 if (dim > 0)
161 fputsresolu(&rs, stdout);
162 }
163 fflush(stdout);
164 execvp(argv[2], argv+2);
165 perror(argv[2]);
166 return 1;
167 }
168 if (argc > 2 && !strcmp(argv[1], "-a")) {
169 SET_FILE_BINARY(stdout);
170 if (checkheader(stdin, fmt, stdout) < 0) {
171 fputs("Bad header!\n", stderr);
172 return 1;
173 }
174 for (i = 2; i < argc; i++) {
175 int len = strlen(argv[i]);
176 if (!len) continue;
177 fputs(argv[i], stdout);
178 if (argv[i][len-1] != '\n')
179 fputc('\n', stdout);
180 }
181 if (fmt[0] != '*')
182 fputformat(fmt, stdout);
183 fputc('\n', stdout);
184 copycat();
185 return 0;
186 }
187 if (argc > 2 && !strcmp(argv[1], "-r")) {
188 SET_FILE_BINARY(stdout);
189 if (getheader(stdin, adjheadline, argv+2) < 0) {
190 fputs("Bad header!\n", stderr);
191 return 1;
192 }
193 for (i = 2; i < argc; i++) { /* add lines w/ var[= ]value */
194 int len = strlen(argv[i]);
195 int strt = 0, j;
196 while(isspace(argv[i][strt])) strt++;
197 if (strt == len) continue;
198 while (isspace(argv[i][len-1])) len--;
199 for (j = strt+1; j < len-1; j++)
200 if (argv[i][j] == '=' || isspace(argv[i][j])) {
201 for (j = 0; j < len; j++)
202 putchar(argv[i][j]);
203 fputc('\n', stdout);
204 break;
205 }
206 }
207 if (fmt[0] != '*')
208 fputformat(fmt, stdout);
209 fputc('\n', stdout);
210 copycat();
211 return 0;
212 }
213 if (argc == 2 && !strcmp(argv[1], "-")) {
214 SET_FILE_BINARY(stdout);
215 if (getheader(stdin, NULL, NULL) < 0) {
216 fputs("Bad header!\n", stderr);
217 return 1;
218 }
219 if (dim < 0) { /* skip resolution string? */
220 RESOLU rs;
221 if (!fgetsresolu(&rs, stdin)) {
222 fputs("No resolution string!\n", stderr);
223 return 1;
224 }
225 }
226 copycat();
227 return 0;
228 }
229 for (i = 1; i < argc; i++) {
230 fputs(argv[i], stdout);
231 if ((fp = fopen(argv[i], "r")) == NULL)
232 fputs(": cannot open\n", stdout);
233 else {
234 #ifdef getc_unlocked /* avoid lock/unlock overhead */
235 flockfile(fp);
236 #endif
237 if (dim < 0) { /* dimensions only */
238 if (getheader(fp, NULL, NULL) < 0) {
239 fputs("bad header!\n", stdout);
240 continue;
241 }
242 fputs(": ", stdout);
243 getdim(fp);
244 } else {
245 tabstr(":\n", NULL);
246 if (getheader(fp, tabstr, NULL) < 0) {
247 fputs(argv[i], stderr);
248 fputs(": bad header!\n", stderr);
249 return 1;
250 }
251 fputc('\n', stdout);
252 if (dim > 0) {
253 fputc('\t', stdout);
254 getdim(fp);
255 }
256 }
257 fclose(fp);
258 }
259 }
260 if (argc == 1) {
261 if (dim < 0) {
262 if (getheader(stdin, NULL, NULL) < 0) {
263 fputs("Bad header!\n", stderr);
264 return 1;
265 }
266 getdim(stdin);
267 } else {
268 if (getheader(stdin, (gethfunc *)fputs, stdout) < 0) {
269 fputs("Bad header!\n", stderr);
270 return 1;
271 }
272 fputc('\n', stdout);
273 if (dim > 0)
274 getdim(stdin);
275 }
276 }
277 return 0;
278 }