diff options
Diffstat (limited to 'bin/pax/gen_subs.c')
-rw-r--r-- | bin/pax/gen_subs.c | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/bin/pax/gen_subs.c b/bin/pax/gen_subs.c deleted file mode 100644 index 9228c69..0000000 --- a/bin/pax/gen_subs.c +++ /dev/null @@ -1,437 +0,0 @@ -/* $NetBSD: gen_subs.c,v 1.37 2018/11/30 00:53:11 christos Exp $ */ - -/*- - * Copyright (c) 1992 Keith Muller. - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Keith Muller of the University of California, San Diego. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if HAVE_NBTOOL_CONFIG_H -#include "nbtool_config.h" -#endif - -#include <sys/cdefs.h> -#if !defined(lint) -#if 0 -static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93"; -#else -__RCSID("$NetBSD: gen_subs.c,v 1.37 2018/11/30 00:53:11 christos Exp $"); -#endif -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <sys/param.h> - -#include <ctype.h> -#include <grp.h> -#include <pwd.h> -#include <vis.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <tzfile.h> -#include <unistd.h> - -#include "pax.h" -#include "extern.h" - -/* - * a collection of general purpose subroutines used by pax - */ - -/* - * constants used by ls_list() when printing out archive members - */ -#define MODELEN 20 -#define DATELEN 64 -#define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) -#define CURFRMT "%b %e %H:%M" -#define OLDFRMT "%b %e %Y" -#ifndef UT_NAMESIZE -#define UT_NAMESIZE 8 -#endif -#define UT_GRPSIZE 6 - -/* - * convert time to string - */ -static void -formattime(char *buf, size_t buflen, time_t when) -{ - int error; - struct tm tm; - (void)localtime_r(&when, &tm); - - if (when + SIXMONTHS <= time(NULL)) - error = strftime(buf, buflen, OLDFRMT, &tm); - else - error = strftime(buf, buflen, CURFRMT, &tm); - - if (error == 0) - buf[0] = '\0'; -} - -/* - * ls_list() - * list the members of an archive in ls format - */ - -void -ls_list(ARCHD *arcn, time_t now, FILE *fp) -{ - struct stat *sbp; - char f_mode[MODELEN]; - char f_date[DATELEN]; - const char *user, *group; - - /* - * if not verbose, just print the file name - */ - if (!vflag) { - (void)fprintf(fp, "%s\n", arcn->name); - (void)fflush(fp); - return; - } - - /* - * user wants long mode - */ - sbp = &(arcn->sb); - strmode(sbp->st_mode, f_mode); - - /* - * time format based on age compared to the time pax was started. - */ - formattime(f_date, sizeof(f_date), arcn->sb.st_mtime); - /* - * print file mode, link count, uid, gid and time - */ - user = user_from_uid(sbp->st_uid, 0); - group = group_from_gid(sbp->st_gid, 0); - (void)fprintf(fp, "%s%2lu %-*s %-*s ", f_mode, - (unsigned long)sbp->st_nlink, - UT_NAMESIZE, user ? user : "", UT_GRPSIZE, group ? group : ""); - - /* - * print device id's for devices, or sizes for other nodes - */ - if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK)) - (void)fprintf(fp, "%4lu,%4lu ", (long) MAJOR(sbp->st_rdev), - (long) MINOR(sbp->st_rdev)); - else { - (void)fprintf(fp, OFFT_FP("9") " ", (OFFT_T)sbp->st_size); - } - - /* - * print name and link info for hard and soft links - */ - (void)fprintf(fp, "%s %s", f_date, arcn->name); - if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG)) - (void)fprintf(fp, " == %s\n", arcn->ln_name); - else if (arcn->type == PAX_SLK) - (void)fprintf(fp, " -> %s\n", arcn->ln_name); - else - (void)fputc('\n', fp); - (void)fflush(fp); -} - -/* - * tty_ls() - * print a short summary of file to tty. - */ - -void -ls_tty(ARCHD *arcn) -{ - char f_date[DATELEN]; - char f_mode[MODELEN]; - - formattime(f_date, sizeof(f_date), arcn->sb.st_mtime); - strmode(arcn->sb.st_mode, f_mode); - tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name); - return; -} - -void -safe_print(const char *str, FILE *fp) -{ - char visbuf[5]; - const char *cp; - - /* - * if printing to a tty, use vis(3) to print special characters. - */ - if (isatty(fileno(fp))) { - for (cp = str; *cp; cp++) { - (void)vis(visbuf, cp[0], VIS_CSTYLE, cp[1]); - (void)fputs(visbuf, fp); - } - } else { - (void)fputs(str, fp); - } -} - -/* - * asc_u32() - * convert hex/octal character string into a uint32_t. We do not have to - * check for overflow! (the headers in all supported formats are not large - * enough to create an overflow). - * NOTE: strings passed to us are NOT TERMINATED. - * Return: - * uint32_t value - */ - -uint32_t -asc_u32(char *str, int len, int base) -{ - char *stop; - uint32_t tval = 0; - - stop = str + len; - - /* - * skip over leading blanks and zeros - */ - while ((str < stop) && ((*str == ' ') || (*str == '0'))) - ++str; - - /* - * for each valid digit, shift running value (tval) over to next digit - * and add next digit - */ - if (base == HEX) { - while (str < stop) { - if ((*str >= '0') && (*str <= '9')) - tval = (tval << 4) + (*str++ - '0'); - else if ((*str >= 'A') && (*str <= 'F')) - tval = (tval << 4) + 10 + (*str++ - 'A'); - else if ((*str >= 'a') && (*str <= 'f')) - tval = (tval << 4) + 10 + (*str++ - 'a'); - else - break; - } - } else { - while ((str < stop) && (*str >= '0') && (*str <= '7')) - tval = (tval << 3) + (*str++ - '0'); - } - return tval; -} - -/* - * u32_asc() - * convert an uintmax_t into an hex/oct ascii string. pads with LEADING - * ascii 0's to fill string completely - * NOTE: the string created is NOT TERMINATED. - */ - -int -u32_asc(uintmax_t val, char *str, int len, int base) -{ - char *pt; - uint32_t digit; - uintmax_t p; - - p = val & TOP_HALF; - if (p && p != TOP_HALF) - return -1; - - val &= BOTTOM_HALF; - - /* - * WARNING str is not '\0' terminated by this routine - */ - pt = str + len - 1; - - /* - * do a tailwise conversion (start at right most end of string to place - * least significant digit). Keep shifting until conversion value goes - * to zero (all digits were converted) - */ - if (base == HEX) { - while (pt >= str) { - if ((digit = (val & 0xf)) < 10) - *pt-- = '0' + (char)digit; - else - *pt-- = 'a' + (char)(digit - 10); - if ((val = (val >> 4)) == (u_long)0) - break; - } - } else { - while (pt >= str) { - *pt-- = '0' + (char)(val & 0x7); - if ((val = (val >> 3)) == 0) - break; - } - } - - /* - * pad with leading ascii ZEROS. We return -1 if we ran out of space. - */ - while (pt >= str) - *pt-- = '0'; - if (val != 0) - return -1; - return 0; -} - -/* - * asc_umax() - * convert hex/octal/base-256 value into a uintmax. - * NOTE: strings passed to us are NOT TERMINATED. - * Return: - * uintmax_t value; UINTMAX_MAX for overflow/negative - */ - -uintmax_t -asc_umax(char *str, int len, int base) -{ - char *stop; - uintmax_t tval = 0; - - stop = str + len; - - /* - * if the highest bit of first byte is set, it's base-256 encoded - * (base-256 is basically (n-1)-bit big endian signed - */ - if (str < stop && (*str & 0x80)) { - /* - * uintmax_t can't be negative, so fail on negative numbers - */ - if (*str & 0x40) - return UINTMAX_MAX; - - tval = *str++ & 0x3f; - while (str < stop) { - /* - * check for overflow - */ - if (tval > (UINTMAX_MAX/256)) - return UINTMAX_MAX; - tval = (tval << 8) | ((*str++) & 0xFF); - } - - return tval; - } - - /* - * skip over leading blanks and zeros - */ - while ((str < stop) && ((*str == ' ') || (*str == '0'))) - ++str; - - /* - * for each valid digit, shift running value (tval) over to next digit - * and add next digit - */ - if (base == HEX) { - while (str < stop) { - if ((*str >= '0') && (*str <= '9')) - tval = (tval << 4) + (*str++ - '0'); - else if ((*str >= 'A') && (*str <= 'F')) - tval = (tval << 4) + 10 + (*str++ - 'A'); - else if ((*str >= 'a') && (*str <= 'f')) - tval = (tval << 4) + 10 + (*str++ - 'a'); - else - break; - } - } else { - while ((str < stop) && (*str >= '0') && (*str <= '7')) - tval = (tval << 3) + (*str++ - '0'); - } - return tval; -} - -/* - * umax_asc() - * convert an uintmax_t into a hex/oct ascii string. pads with - * LEADING ascii 0's to fill string completely - * NOTE: the string created is NOT TERMINATED. - */ - -int -umax_asc(uintmax_t val, char *str, int len, int base) -{ - char *pt; - uintmax_t digit; - - /* - * WARNING str is not '\0' terminated by this routine - */ - pt = str + len - 1; - - /* - * do a tailwise conversion (start at right most end of string to place - * least significant digit). Keep shifting until conversion value goes - * to zero (all digits were converted) - */ - if (base == HEX) { - while (pt >= str) { - if ((digit = (val & 0xf)) < 10) - *pt-- = '0' + (char)digit; - else - *pt-- = 'a' + (char)(digit - 10); - if ((val = (val >> 4)) == 0) - break; - } - } else { - while (pt >= str) { - *pt-- = '0' + (char)(val & 0x7); - if ((val = (val >> 3)) == 0) - break; - } - } - - /* - * pad with leading ascii ZEROS. We return -1 if we ran out of space. - */ - while (pt >= str) - *pt-- = '0'; - if (val != 0) - return -1; - return 0; -} - -int -check_Aflag(void) -{ - - if (Aflag > 0) - return 1; - if (Aflag == 0) { - Aflag = -1; - tty_warn(0, - "Removing leading / from absolute path names in the archive"); - } - return 0; -} |