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* 1/3/86 |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include "rtio.h" |
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#include "platform.h" |
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#include "rtprocess.h" |
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#include "resolu.h" |
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|
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#ifdef getc_unlocked /* avoid nasty file-locking overhead */ |
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#undef getc |
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#undef getchar |
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#undef putchar |
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#define getc getc_unlocked |
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#define getchar getchar_unlocked |
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#define putchar putchar_unlocked |
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#endif |
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static char fmt[MAXFMTLEN] = "*"; |
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|
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static gethfunc tabstr; |
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static void getdim(FILE *fp); |
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static void copycat(void); |
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|
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|
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static int |
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tabstr( /* put out line followed by tab */ |
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char *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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fputc('\t', stdout); |
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return(0); |
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} |
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|
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|
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static int |
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adjheadline( /* check for lines to remove */ |
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char *s, |
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void *p |
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) |
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{ |
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char **av; |
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|
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if (formatval(fmt, s)) |
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return(0); /* don't echo format */ |
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|
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/* check for match to skip */ |
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for (av = (char **)p; *av; av++) { |
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char *s1 = s; |
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char *s2 = *av; |
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if (isspace(*s2)) { |
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if (!isspace(*s1)) |
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continue; |
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while (isspace(*++s1)) ; |
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while (isspace(*++s2)) ; |
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} |
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while (*s2 && *s1 == *s2) { |
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if ((*s1 == '=') & (s1 > s)) |
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return(0); |
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if (isspace(*s2)) |
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break; |
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s1++; s2++; |
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} |
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if (s1 == s) |
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continue; |
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if (isspace(*s1) && !*s2 | isspace(*s2)) |
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return(0); /* skip */ |
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} |
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fputs(s, stdout); /* copy if no match */ |
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return(0); |
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} |
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|
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|
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static void |
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getdim( /* get dimensions from file */ |
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FILE *fp |
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) |
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{ |
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int j; |
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int c; |
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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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fputc(' ', stdout); |
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} else { |
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putchar(c); |
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} |
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fputc('\n', stdout); |
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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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static void |
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copycat(void) /* copy input to output */ |
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{ |
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char buf[8192]; |
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int n; |
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|
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fflush(stdout); |
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while ((n = fread(buf, 1, sizeof(buf), stdin)) > 0) |
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if (writebuf(fileno(stdout), buf, n) != n) |
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break; |
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} |
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|
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|
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int |
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main( |
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int argc, |
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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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if (argc > 1 && (argv[1][0] == '-') | (argv[1][0] == '+') && |
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argv[1][1] == 'd') { |
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dim = 1 - 2*(argv[1][0] == '-'); |
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argc--; argv++; |
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dim = 1; |
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SET_FILE_BINARY(stdin); |
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} else if (argc > 2 && !strcmp(argv[1], "-c")) { |
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SET_FILE_BINARY(stdin); |
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} |
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#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
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flockfile(stdin); |
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flockfile(stdout); |
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#endif |
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SET_FILE_BINARY(stdin); |
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if (argc > 2 && !strcmp(argv[1], "-c")) { |
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SET_FILE_BINARY(stdout); |
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setvbuf(stdin, NULL, _IONBF, 2); |
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if (getheader(stdin, (gethfunc *)fputs, stdout) < 0) |
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if (checkheader(stdin, fmt, stdout) < 0) { |
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fputs("Bad header!\n", stderr); |
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return 1; |
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} |
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printargs(argc-2, argv+2, stdout); |
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if (fmt[0] != '*') /* better be the same! */ |
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fputformat(fmt, stdout); |
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fputc('\n', stdout); |
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if (dim) { /* copy resolution string? */ |
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RESOLU rs; |
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if (!fgetsresolu(&rs, stdin)) { |
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fputs("No resolution string!\n", stderr); |
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return 1; |
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} |
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if (dim > 0) |
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fputsresolu(&rs, stdout); |
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} |
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fflush(stdout); |
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execvp(argv[2], argv+2); |
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perror(argv[2]); |
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return 1; |
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} else if (argc > 2 && !strcmp(argv[1], "-a")) { |
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SET_FILE_BINARY(stdin); |
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} |
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if (argc > 2 && !strcmp(argv[1], "-a")) { |
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SET_FILE_BINARY(stdout); |
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if (getheader(stdin, (gethfunc *)fputs, stdout) < 0) |
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if (checkheader(stdin, fmt, stdout) < 0) { |
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fputs("Bad header!\n", stderr); |
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return 1; |
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} |
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for (i = 2; i < argc; i++) { |
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int len = strlen(argv[i]); |
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if (!len) continue; |
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if (argv[i][len-1] != '\n') |
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fputc('\n', stdout); |
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} |
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if (fmt[0] != '*') |
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fputformat(fmt, stdout); |
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fputc('\n', stdout); |
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copycat(); |
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return 0; |
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} else if (argc == 2 && !strcmp(argv[1], "-")) { |
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SET_FILE_BINARY(stdin); |
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} |
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if (argc > 2 && !strcmp(argv[1], "-r")) { |
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SET_FILE_BINARY(stdout); |
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if (getheader(stdin, NULL, NULL) < 0) |
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if (getheader(stdin, adjheadline, argv+2) < 0) { |
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fputs("Bad header!\n", stderr); |
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return 1; |
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} |
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for (i = 2; i < argc; i++) { /* add lines w/ var[= ]value */ |
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int len = strlen(argv[i]); |
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int strt = 0, j; |
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while(isspace(argv[i][strt])) strt++; |
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if (strt == len) continue; |
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while (isspace(argv[i][len-1])) len--; |
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for (j = strt+1; j < len-1; j++) |
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if (argv[i][j] == '=' || isspace(argv[i][j])) { |
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for (j = 0; j < len; j++) |
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putchar(argv[i][j]); |
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fputc('\n', stdout); |
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break; |
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} |
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} |
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if (fmt[0] != '*') |
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fputformat(fmt, stdout); |
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fputc('\n', stdout); |
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copycat(); |
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return 0; |
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} |
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if (argc == 2 && !strcmp(argv[1], "-")) { |
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SET_FILE_BINARY(stdout); |
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if (getheader(stdin, NULL, NULL) < 0) { |
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fputs("Bad header!\n", stderr); |
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return 1; |
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} |
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if (dim < 0) { /* skip resolution string? */ |
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RESOLU rs; |
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if (!fgetsresolu(&rs, stdin)) { |
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fputs("No resolution string!\n", stderr); |
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return 1; |
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} |
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} |
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copycat(); |
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return 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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> |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
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> |
flockfile(fp); |
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> |
#endif |
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if (dim < 0) { /* dimensions only */ |
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> |
if (getheader(fp, NULL, NULL) < 0) { |
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fputs("bad header!\n", stdout); |
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> |
continue; |
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} |
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fputs(": ", stdout); |
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getdim(fp); |
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} else { |
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tabstr(":\n", NULL); |
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getheader(fp, tabstr, NULL); |
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> |
if (getheader(fp, tabstr, NULL) < 0) { |
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> |
fputs(argv[i], stderr); |
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> |
fputs(": bad header!\n", stderr); |
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> |
return 1; |
248 |
> |
} |
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fputc('\n', stdout); |
250 |
+ |
if (dim > 0) { |
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+ |
fputc('\t', stdout); |
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+ |
getdim(fp); |
253 |
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} |
254 |
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} |
255 |
|
fclose(fp); |
256 |
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} |
257 |
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} |
258 |
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if (argc == 1) { |
259 |
< |
if (dim) { |
259 |
> |
if (dim < 0) { |
260 |
> |
if (getheader(stdin, NULL, NULL) < 0) { |
261 |
> |
fputs("Bad header!\n", stderr); |
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> |
return 1; |
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> |
} |
264 |
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getdim(stdin); |
265 |
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} else { |
266 |
< |
if (getheader(stdin, (gethfunc *)fputs, stdout) < 0) |
266 |
> |
if (getheader(stdin, (gethfunc *)fputs, stdout) < 0) { |
267 |
> |
fputs("Bad header!\n", stderr); |
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|
return 1; |
269 |
+ |
} |
270 |
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fputc('\n', stdout); |
271 |
+ |
if (dim > 0) |
272 |
+ |
getdim(stdin); |
273 |
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} |
274 |
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} |
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return 0; |
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} |
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|
124 |
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|
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static void |
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getdim( /* get dimensions from file */ |
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FILE *fp |
128 |
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) |
129 |
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{ |
130 |
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int j; |
131 |
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int c; |
132 |
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/* skip header */ |
133 |
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if (getheader(fp, NULL, NULL) < 0) { |
134 |
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fputs("bad header\n", stdout); |
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return; |
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} |
137 |
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switch (c = getc(fp)) { |
138 |
– |
case '+': /* picture */ |
139 |
– |
case '-': |
140 |
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do |
141 |
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putchar(c); |
142 |
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while (c != '\n' && (c = getc(fp)) != EOF); |
143 |
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break; |
144 |
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case 1: /* octree */ |
145 |
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getc(fp); |
146 |
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j = 0; |
147 |
– |
while ((c = getc(fp)) != EOF) |
148 |
– |
if (c == 0) { |
149 |
– |
if (++j >= 4) |
150 |
– |
break; |
151 |
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putchar(' '); |
152 |
– |
} else { |
153 |
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putchar(c); |
154 |
– |
} |
155 |
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putchar('\n'); |
156 |
– |
break; |
157 |
– |
default: /* ??? */ |
158 |
– |
fputs("unknown file type\n", stdout); |
159 |
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break; |
160 |
– |
} |
161 |
– |
} |
162 |
– |
|
163 |
– |
|
164 |
– |
static void |
165 |
– |
copycat(void) /* copy input to output */ |
166 |
– |
{ |
167 |
– |
char buf[8192]; |
168 |
– |
int n; |
169 |
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|
170 |
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fflush(stdout); |
171 |
– |
while ((n = fread(buf, 1, sizeof(buf), stdin)) > 0) |
172 |
– |
if (writebuf(fileno(stdout), buf, n) != n) |
173 |
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break; |
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} |