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/* Copyright (c) 1986 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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|
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/* |
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* getinfo.c - program to read info. header from file. |
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* |
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* 1/3/86 |
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*/ |
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|
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#include <stdio.h> |
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|
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|
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tabstr(s) /* put out line followed by tab */ |
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register char *s; |
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{ |
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while (*s) { |
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putchar(*s); |
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s++; |
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} |
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if (*--s == '\n') |
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putchar('\t'); |
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} |
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|
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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int dim = 0; |
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FILE *fp; |
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int i; |
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|
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if (argc > 1 && !strcmp(argv[1], "-d")) { |
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argc--; argv++; |
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dim = 1; |
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} else if (argc == 2 && !strcmp(argv[1], "-")) { |
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getheader(stdin, NULL); |
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copycat(); |
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exit(0); |
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} |
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for (i = 1; i < argc; i++) { |
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fputs(argv[i], stdout); |
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if ((fp = fopen(argv[i], "r")) == NULL) |
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fputs(": cannot open\n", stdout); |
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else { |
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if (dim) { |
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fputs(": ", stdout); |
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getdim(fp); |
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} else { |
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tabstr(":\n"); |
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getheader(fp, tabstr); |
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putchar('\n'); |
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} |
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fclose(fp); |
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} |
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} |
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if (argc == 1) |
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if (dim) { |
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getdim(stdin); |
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} else { |
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copyheader(stdin, stdout); |
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putchar('\n'); |
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} |
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exit(0); |
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} |
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|
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|
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getdim(fp) /* get dimensions from file */ |
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register FILE *fp; |
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{ |
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int j; |
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register int c; |
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|
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getheader(fp, NULL); /* skip header */ |
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|
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switch (c = getc(fp)) { |
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case '+': /* picture */ |
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case '-': |
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do |
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putchar(c); |
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while (c != '\n' && (c = getc(fp)) != EOF); |
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break; |
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case 1: /* octree */ |
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getc(fp); |
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j = 0; |
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while ((c = getc(fp)) != EOF) |
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if (c == 0) |
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if (++j >= 4) |
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break; |
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else |
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putchar(' '); |
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else |
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putchar(c); |
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putchar('\n'); |
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break; |
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default: /* ??? */ |
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fputs("unknown file type\n", stdout); |
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break; |
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} |
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} |
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|
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|
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copycat() /* copy input to output */ |
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{ |
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register int c; |
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|
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while ((c = getchar()) != EOF) |
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putchar(c); |
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} |
