338 lines
6.3 KiB
C
338 lines
6.3 KiB
C
/* $NetBSD: util.c,v 1.3 1995/03/06 19:11:53 mycroft Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1990, 1991, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
* the University nor the names of its contributors may be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char rcsid[] =
|
|
"@(#) Header: util.c,v 1.28 94/06/12 14:30:31 leres Exp (LBL)";
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/file.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <ctype.h>
|
|
#ifdef SOLARIS
|
|
#include <fcntl.h>
|
|
#endif
|
|
#ifdef __STDC__
|
|
#include <stdlib.h>
|
|
#endif
|
|
#include <stdio.h>
|
|
#if __STDC__
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "interface.h"
|
|
|
|
/*
|
|
* Print out a filename (or other ascii string).
|
|
* If ep is NULL, assume no truncation check is needed.
|
|
* Return true if truncated.
|
|
*/
|
|
int
|
|
fn_print(register const u_char *s, register const u_char *ep)
|
|
{
|
|
register int ret;
|
|
register u_char c;
|
|
|
|
ret = 1; /* assume truncated */
|
|
putchar('"');
|
|
while (ep == NULL || s < ep) {
|
|
c = *s++;
|
|
if (c == '\0') {
|
|
ret = 0;
|
|
break;
|
|
}
|
|
if (!isascii(c)) {
|
|
c = toascii(c);
|
|
putchar('M');
|
|
putchar('-');
|
|
}
|
|
if (!isprint(c)) {
|
|
c ^= 0x40; /* DEL to ?, others to alpha */
|
|
putchar('^');
|
|
}
|
|
putchar(c);
|
|
}
|
|
putchar('"');
|
|
return(ret);
|
|
}
|
|
|
|
/*
|
|
* Print out a counted filename (or other ascii string).
|
|
* If ep is NULL, assume no truncation check is needed.
|
|
* Return true if truncated.
|
|
*/
|
|
int
|
|
fn_printn(register const u_char *s, register u_int n,
|
|
register const u_char *ep)
|
|
{
|
|
register int ret;
|
|
register u_char c;
|
|
|
|
ret = 1; /* assume truncated */
|
|
putchar('"');
|
|
while (ep == NULL || s < ep) {
|
|
if (n-- <= 0) {
|
|
ret = 0;
|
|
break;
|
|
}
|
|
c = *s++;
|
|
if (!isascii(c)) {
|
|
c = toascii(c);
|
|
putchar('M');
|
|
putchar('-');
|
|
}
|
|
if (!isprint(c)) {
|
|
c ^= 0x40; /* DEL to ?, others to alpha */
|
|
putchar('^');
|
|
}
|
|
putchar(c);
|
|
}
|
|
putchar('"');
|
|
return(ret);
|
|
}
|
|
|
|
/*
|
|
* Print the timestamp
|
|
*/
|
|
void
|
|
ts_print(register const struct timeval *tvp)
|
|
{
|
|
register int s;
|
|
extern int32 thiszone;
|
|
|
|
if (tflag > 0) {
|
|
/* Default */
|
|
s = (tvp->tv_sec + thiszone) % 86400;
|
|
(void)printf("%02d:%02d:%02d.%06d ",
|
|
s / 3600, (s % 3600) / 60, s % 60, tvp->tv_usec);
|
|
} else if (tflag < 0) {
|
|
/* Unix timeval style */
|
|
(void)printf("%d.%06d ", tvp->tv_sec, tvp->tv_usec);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert a token value to a string; use "fmt" if not found.
|
|
*/
|
|
const char *
|
|
tok2str(register const struct token *lp, register const char *fmt,
|
|
register int v)
|
|
{
|
|
static char buf[128];
|
|
|
|
while (lp->s != NULL) {
|
|
if (lp->v == v)
|
|
return (lp->s);
|
|
++lp;
|
|
}
|
|
if (fmt == NULL)
|
|
fmt = "#%d";
|
|
(void)sprintf(buf, fmt, v);
|
|
return (buf);
|
|
}
|
|
|
|
/* A replacement for strdup() that cuts down on malloc() overhead */
|
|
char *
|
|
savestr(register const char *str)
|
|
{
|
|
register u_int size;
|
|
register char *p;
|
|
static char *strptr = NULL;
|
|
static u_int strsize = 0;
|
|
|
|
size = strlen(str) + 1;
|
|
if (size > strsize) {
|
|
strsize = 1024;
|
|
if (strsize < size)
|
|
strsize = size;
|
|
strptr = malloc(strsize);
|
|
if (strptr == NULL)
|
|
error("savestr: malloc");
|
|
}
|
|
(void)strcpy(strptr, str);
|
|
p = strptr;
|
|
strptr += size;
|
|
strsize -= size;
|
|
return (p);
|
|
}
|
|
|
|
#ifdef NOVFPRINTF
|
|
/*
|
|
* Stock 4.3 doesn't have vfprintf.
|
|
* This routine is due to Chris Torek.
|
|
*/
|
|
vfprintf(f, fmt, args)
|
|
FILE *f;
|
|
char *fmt;
|
|
va_list args;
|
|
{
|
|
int ret;
|
|
|
|
if ((f->_flag & _IOWRT) == 0) {
|
|
if (f->_flag & _IORW)
|
|
f->_flag |= _IOWRT;
|
|
else
|
|
return EOF;
|
|
}
|
|
ret = _doprnt(fmt, args, f);
|
|
return ferror(f) ? EOF : ret;
|
|
}
|
|
#endif
|
|
|
|
/* VARARGS */
|
|
__dead void
|
|
#if __STDC__ || defined(SOLARIS)
|
|
error(char *fmt, ...)
|
|
#else
|
|
error(fmt, va_alist)
|
|
char *fmt;
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
|
|
(void)fprintf(stderr, "%s: ", program_name);
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
va_start(ap);
|
|
#endif
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
if (*fmt) {
|
|
fmt += strlen(fmt);
|
|
if (fmt[-1] != '\n')
|
|
(void)fputc('\n', stderr);
|
|
}
|
|
exit(1);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
/* VARARGS */
|
|
void
|
|
#if __STDC__ || defined(SOLARIS)
|
|
warning(char *fmt, ...)
|
|
#else
|
|
warning(fmt, va_alist)
|
|
char *fmt;
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
|
|
(void)fprintf(stderr, "%s: warning: ", program_name);
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
va_start(ap);
|
|
#endif
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
if (*fmt) {
|
|
fmt += strlen(fmt);
|
|
if (fmt[-1] != '\n')
|
|
(void)fputc('\n', stderr);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Copy arg vector into a new buffer, concatenating arguments with spaces.
|
|
*/
|
|
char *
|
|
copy_argv(register char **argv)
|
|
{
|
|
register char **p;
|
|
register int len = 0;
|
|
char *buf;
|
|
char *src, *dst;
|
|
|
|
p = argv;
|
|
if (*p == 0)
|
|
return 0;
|
|
|
|
while (*p)
|
|
len += strlen(*p++) + 1;
|
|
|
|
buf = malloc(len);
|
|
|
|
p = argv;
|
|
dst = buf;
|
|
while ((src = *p++) != NULL) {
|
|
while ((*dst++ = *src++) != '\0')
|
|
;
|
|
dst[-1] = ' ';
|
|
}
|
|
dst[-1] = '\0';
|
|
|
|
return buf;
|
|
}
|
|
|
|
char *
|
|
read_infile(char *fname)
|
|
{
|
|
struct stat buf;
|
|
int fd;
|
|
char *p;
|
|
|
|
fd = open(fname, O_RDONLY);
|
|
if (fd < 0)
|
|
error("can't open '%s'", fname);
|
|
|
|
if (fstat(fd, &buf) < 0)
|
|
error("can't state '%s'", fname);
|
|
|
|
p = malloc((u_int)buf.st_size);
|
|
if (read(fd, p, (int)buf.st_size) != buf.st_size)
|
|
error("problem reading '%s'", fname);
|
|
|
|
return p;
|
|
}
|
|
|
|
int
|
|
gmt2local()
|
|
{
|
|
#ifndef SOLARIS
|
|
struct timeval now;
|
|
struct timezone tz;
|
|
long t;
|
|
|
|
if (gettimeofday(&now, &tz) < 0)
|
|
error("gettimeofday");
|
|
t = tz.tz_minuteswest * -60;
|
|
if (localtime((time_t *)&now.tv_sec)->tm_isdst)
|
|
t += 3600;
|
|
return (t);
|
|
#else
|
|
tzset();
|
|
return (-altzone);
|
|
#endif
|
|
}
|