2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)gen_subs.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/bin/pax/gen_subs.c,v 1.12.2.4 2002/03/12 17:49:17 phantom Exp $
37 #include <sys/types.h>
49 * a collection of general purpose subroutines used by pax
53 * constants used by ls_list() when printing out archive members
57 #define SIXMONTHS ((365 / 2) * 86400)
58 #define CURFRMTM "%b %e %H:%M"
59 #define OLDFRMTM "%b %e %Y"
60 #define CURFRMTD "%e %b %H:%M"
61 #define OLDFRMTD "%e %b %Y"
63 static int d_first = -1;
67 * list the members of an archive in ls format
71 ls_list(ARCHD *arcn, time_t now, FILE *fp)
79 * if not verbose, just print the file name
82 fprintf(fp, "%s\n", arcn->name);
88 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
90 * user wants long mode
93 strmode(sbp->st_mode, f_mode);
96 * time format based on age compared to the time pax was started.
98 if ((sbp->st_mtime + SIXMONTHS) <= now)
99 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
101 timefrmt = d_first ? CURFRMTD : CURFRMTM;
104 * print file mode, link count, uid, gid and time
106 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
108 fprintf(fp, "%s%2u %-16s %-6s ", f_mode, sbp->st_nlink,
109 name_uid(sbp->st_uid, 1),
110 name_gid(sbp->st_gid, 1));
113 * print device id's for devices, or sizes for other nodes
115 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
116 fprintf(fp, "%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
117 (unsigned long)MINOR(sbp->st_rdev));
119 fprintf(fp, "%9jd ", (intmax_t)sbp->st_size);
123 * print name and link info for hard and soft links
125 fprintf(fp, "%s %s", f_date, arcn->name);
126 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
127 fprintf(fp, " == %s\n", arcn->ln_name);
128 else if (arcn->type == PAX_SLK)
129 fprintf(fp, " => %s\n", arcn->ln_name);
138 * print a short summary of file to tty.
144 char f_date[DATELEN];
145 char f_mode[MODELEN];
149 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
151 if ((arcn->sb.st_mtime + SIXMONTHS) <= time(NULL))
152 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
154 timefrmt = d_first ? CURFRMTD : CURFRMTM;
157 * convert time to string, and print
159 if (strftime(f_date, DATELEN, timefrmt,
160 localtime(&(arcn->sb.st_mtime))) == 0)
162 strmode(arcn->sb.st_mode, f_mode);
163 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
169 * copy src to dest up to len chars (stopping at first '\0').
170 * when src is shorter than len, pads to len with '\0'.
172 * number of chars copied. (Note this is a real performance win over
173 * doing a strncpy(), a strlen(), and then a possible memset())
177 l_strncpy(char *dest, char *src, int len)
184 while ((dest < stop) && (*src != '\0'))
194 * convert hex/octal character string into a u_long. We do not have to
195 * check for overflow! (the headers in all supported formats are not large
196 * enough to create an overflow).
197 * NOTE: strings passed to us are NOT TERMINATED.
199 * unsigned long value
203 asc_ul(char *str, int len, int base)
211 * skip over leading blanks and zeros
213 while ((str < stop) && ((*str == ' ') || (*str == '0')))
217 * for each valid digit, shift running value (tval) over to next digit
222 if ((*str >= '0') && (*str <= '9'))
223 tval = (tval << 4) + (*str++ - '0');
224 else if ((*str >= 'A') && (*str <= 'F'))
225 tval = (tval << 4) + 10 + (*str++ - 'A');
226 else if ((*str >= 'a') && (*str <= 'f'))
227 tval = (tval << 4) + 10 + (*str++ - 'a');
232 while ((str < stop) && (*str >= '0') && (*str <= '7'))
233 tval = (tval << 3) + (*str++ - '0');
240 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
241 * ascii 0's to fill string completely
242 * NOTE: the string created is NOT TERMINATED.
246 ul_asc(u_long val, char *str, int len, int base)
252 * WARNING str is not '\0' terminated by this routine
257 * do a tailwise conversion (start at right most end of string to place
258 * least significant digit). Keep shifting until conversion value goes
259 * to zero (all digits were converted)
263 if ((digit = (val & 0xf)) < 10)
264 *pt-- = '0' + (char)digit;
266 *pt-- = 'a' + (char)(digit - 10);
267 if ((val = (val >> 4)) == (u_long)0)
272 *pt-- = '0' + (char)(val & 0x7);
273 if ((val = (val >> 3)) == (u_long)0)
279 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
283 if (val != (u_long)0)
290 * convert hex/octal character string into a u_quad_t. We do not have to
291 * check for overflow! (the headers in all supported formats are not large
292 * enough to create an overflow).
293 * NOTE: strings passed to us are NOT TERMINATED.
299 asc_uqd(char *str, int len, int base)
307 * skip over leading blanks and zeros
309 while ((str < stop) && ((*str == ' ') || (*str == '0')))
313 * for each valid digit, shift running value (tval) over to next digit
318 if ((*str >= '0') && (*str <= '9'))
319 tval = (tval << 4) + (*str++ - '0');
320 else if ((*str >= 'A') && (*str <= 'F'))
321 tval = (tval << 4) + 10 + (*str++ - 'A');
322 else if ((*str >= 'a') && (*str <= 'f'))
323 tval = (tval << 4) + 10 + (*str++ - 'a');
328 while ((str < stop) && (*str >= '0') && (*str <= '7'))
329 tval = (tval << 3) + (*str++ - '0');
336 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
337 * ascii 0's to fill string completely
338 * NOTE: the string created is NOT TERMINATED.
342 uqd_asc(u_quad_t val, char *str, int len, int base)
348 * WARNING str is not '\0' terminated by this routine
353 * do a tailwise conversion (start at right most end of string to place
354 * least significant digit). Keep shifting until conversion value goes
355 * to zero (all digits were converted)
359 if ((digit = (val & 0xf)) < 10)
360 *pt-- = '0' + (char)digit;
362 *pt-- = 'a' + (char)(digit - 10);
363 if ((val = (val >> 4)) == (u_quad_t)0)
368 *pt-- = '0' + (char)(val & 0x7);
369 if ((val = (val >> 3)) == (u_quad_t)0)
375 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
379 if (val != (u_quad_t)0)