mirror of
https://github.com/freebsd/freebsd-src.git
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152 lines
2.2 KiB
C
152 lines
2.2 KiB
C
/*
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* readcaps.c
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*
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* By Ross Ridge
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* Public Domain
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* 92/02/01 07:30:15
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*
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* Read in the cap_list file
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*
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*/
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#define NOTLIB
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#include "defs.h"
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#include <ctype.h>
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#ifdef USE_SCCS_IDS
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static const char SCCSid[] = "@(#) mytinfo readcaps.c 3.2 92/02/01 public domain, By Ross Ridge";
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#endif
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#ifdef __GNUC__
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__inline__
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#endif
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static int
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skipline(f)
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register FILE *f; {
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register int c;
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do {
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c = getc(f);
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if (c == EOF)
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return EOF;
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#ifdef TEST
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putchar(c);
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#endif
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} while (c != '\n');
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return 0;
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}
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#ifdef __GNUC__
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__inline__
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#endif
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static int
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getfield(f, s, len)
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register FILE *f;
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register char *s;
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int len; {
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register int c;
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int i;
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#ifdef TEST
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char *start = s;
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#endif
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do {
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c = getc(f);
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if (c == EOF)
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return EOF;
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} while (c != '\n' && isspace(c));
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if (c == '\n')
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return 0;
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i = 0;
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while(!isspace(c)) {
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if (i++ < len)
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*s++ = c;
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c = getc(f);
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if (c == EOF)
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return EOF;
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}
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*s = '\0';
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#ifdef TEST
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printf(" %s", start);
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#endif
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return c;
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}
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int
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readcaps(f, buf, max)
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FILE *f;
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register struct caplist *buf;
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int max; {
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int type;
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register int count;
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int c;
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static char dummy;
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count = 0;
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type = getc(f);
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while(type != EOF) {
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if (type == '$' || type == '!' || type == '#') {
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if (count >= max)
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return count + 1;
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#ifdef TEST
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putchar(type);
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#endif
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buf[count].type = type;
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if (type == '$') {
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c = getc(f);
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if (c == EOF)
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break;
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if (c == 'G')
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buf[count].flag = 'G';
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else if (c == 'K')
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buf[count].flag = 'K';
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else
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buf[count].flag = ' ';
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}
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c = getfield(f, buf[count].var, MAX_VARNAME);
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if (c == EOF || c == '\n' || c == 0)
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return -1;
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c = getfield(f, buf[count].tinfo, MAX_TINFONAME);
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if (c == EOF || c == '\n' || c == 0)
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return -1;
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c = getfield(f, buf[count].tcap, MAX_TCAPNAME);
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if (c == EOF || c == 0)
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return -1;
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if (c != '\n')
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if (getfield(f, &dummy, 1) != 0)
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return -1;
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count++;
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#ifdef TEST
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putchar('\n');
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#endif
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} else {
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#ifdef TEST
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putchar(type);
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#endif
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if (type != '\n' && skipline(f) == EOF)
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return -1;
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}
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type = getc(f);
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}
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return count;
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}
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#ifdef TEST
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struct caplist list[1000];
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int
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main() {
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int ret;
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ret = readcaps(stdin, list, 1000);
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printf("ret = %d\n", ret);
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return 0;
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}
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#endif
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