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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <ctype.h>
#define MAXLINE 500
static int eof = 0;
static long lp, lim;
static int alph, used, prevc;
static char *p, key[20];
extern int common();
extern char *mindex();
static void chkey(int, char *);
static long grec(char *, FILE *);
void
dofile(FILE *f, char *name)
{
/* read file f & spit out keys & ptrs */
char line[MAXLINE], *s;
extern int minlen, keycount, labels;
int c;
extern int wholefile;
extern char *iglist;
alph = used = prevc = eof = 0;
lp = 0;
if (wholefile == 0) {
while (lim = grec(line, f)) {
#if D1
fprintf(stderr, "line: /%s", line);
#endif
used = alph = 0;
p = key;
for (s = line; (c = *s) && (used < keycount); s++)
chkey(c, name);
lp += lim;
if (used) putchar('\n');
}
} else {
p = key;
used = alph = 0;
while ((c = getc(f)) != EOF && used < keycount)
chkey(c, name);
if (used) putchar('\n');
}
fclose(f);
}
static int
outkey(char *ky, int lead, int trail)
{
int n;
extern int minlen;
n = strlen(ky);
if (n < minlen)
return (0);
if (n < 3) {
if (trail == '.')
return (0);
if (mindex(".%,!#$%&'();+:*", lead) != 0)
return (0);
}
if (isdigit(ky[0]))
/* Allow years 1000 - 2099 */
if (!(ky[0] == '1' || (ky[0] == '2' && ky[1] == '0')) || n != 4)
return (0);
if (common(ky))
return (0);
return (1);
}
static long
grec(char *s, FILE *f)
{
char tm[200];
int curtype = 0;
long len = 0L, tlen = 0L;
extern int wholefile;
extern char *iglist;
if (eof)
return (0);
*s = 0;
while (fgets(tm, 200, f)) {
tlen += strlen(tm);
if (tm[0] == '%' || tm[0] == '.')
curtype = tm[1];
if (tlen < MAXLINE && mindex(iglist, curtype) == 0)
strcat(s, tm);
len = tlen;
if (wholefile == 0 && tm[0] == '\n')
return (len);
if (wholefile > 0 && len >= MAXLINE) {
fseek(f, 0L, 2);
return (ftell(f));
}
}
eof = 1;
return (s[0] ? len : 0L);
}
char *
trimnl(char *ln)
{
char *p = ln;
while (*p) p++;
p--;
if (*p == '\n') *p = 0;
return (ln);
}
static void
chkey(int c, char *name)
{
extern int labels;
extern int wholefile;
if (isalpha(c) || isdigit(c)) {
if (alph++ < 6)
*p++ = c;
} else {
*p = 0;
for (p = key; *p; p++)
*p |= 040;
if (outkey(p = key, prevc, c)) {
if (used == 0) {
if (labels) {
if (wholefile == 0)
printf("%s:%ld,%ld\t", name,
lp, lim);
else
printf("%s\t", name);
}
} else
putchar(' ');
fputs(key, stdout);
used++;
}
prevc = c;
alph = 0;
}
}
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