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. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * @(#)gen_subs.c 8.1 (Berkeley) 5/31/93
38 * $FreeBSD: src/bin/pax/gen_subs.c,v 1.12.2.4 2002/03/12 17:49:17 phantom Exp $
39 * $DragonFly: src/bin/pax/gen_subs.c,v 1.5 2004/11/07 20:54:51 eirikn Exp $
42 #include <sys/types.h>
55 * a collection of general purpose subroutines used by pax
59 * constants used by ls_list() when printing out archive members
63 #define SIXMONTHS ((365 / 2) * 86400)
64 #define CURFRMTM "%b %e %H:%M"
65 #define OLDFRMTM "%b %e %Y"
66 #define CURFRMTD "%e %b %H:%M"
67 #define OLDFRMTD "%e %b %Y"
73 static int d_first = -1;
77 * list the members of an archive in ls format
81 ls_list(ARCHD *arcn, time_t now, FILE *fp)
89 * if not verbose, just print the file name
92 fprintf(fp, "%s\n", arcn->name);
98 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
100 * user wants long mode
103 strmode(sbp->st_mode, f_mode);
106 * time format based on age compared to the time pax was started.
108 if ((sbp->st_mtime + SIXMONTHS) <= now)
109 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
111 timefrmt = d_first ? CURFRMTD : CURFRMTM;
114 * print file mode, link count, uid, gid and time
116 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
118 fprintf(fp, "%s%2u %-*s %-*s ", f_mode, sbp->st_nlink,
119 UT_NAMESIZE, name_uid(sbp->st_uid, 1), UT_GRPSIZE,
120 name_gid(sbp->st_gid, 1));
123 * print device id's for devices, or sizes for other nodes
125 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
127 fprintf(fp, "%4u,%4u ", MAJOR(sbp->st_rdev),
128 MINOR(sbp->st_rdev));
130 fprintf(fp, "%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
131 (unsigned long)MINOR(sbp->st_rdev));
135 fprintf(fp, "%9lu ", sbp->st_size);
137 fprintf(fp, "%9qu ", sbp->st_size);
142 * print name and link info for hard and soft links
144 fprintf(fp, "%s %s", f_date, arcn->name);
145 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
146 fprintf(fp, " == %s\n", arcn->ln_name);
147 else if (arcn->type == PAX_SLK)
148 fprintf(fp, " => %s\n", arcn->ln_name);
157 * print a short summary of file to tty.
163 char f_date[DATELEN];
164 char f_mode[MODELEN];
168 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
170 if ((arcn->sb.st_mtime + SIXMONTHS) <= time((time_t *)NULL))
171 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
173 timefrmt = d_first ? CURFRMTD : CURFRMTM;
176 * convert time to string, and print
178 if (strftime(f_date, DATELEN, timefrmt,
179 localtime(&(arcn->sb.st_mtime))) == 0)
181 strmode(arcn->sb.st_mode, f_mode);
182 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
188 * copy src to dest up to len chars (stopping at first '\0').
189 * when src is shorter than len, pads to len with '\0'.
191 * number of chars copied. (Note this is a real performance win over
192 * doing a strncpy(), a strlen(), and then a possible memset())
196 l_strncpy(char *dest, char *src, int len)
203 while ((dest < stop) && (*src != '\0'))
213 * convert hex/octal character string into a u_long. We do not have to
214 * check for overflow! (the headers in all supported formats are not large
215 * enough to create an overflow).
216 * NOTE: strings passed to us are NOT TERMINATED.
218 * unsigned long value
222 asc_ul(char *str, int len, int base)
230 * skip over leading blanks and zeros
232 while ((str < stop) && ((*str == ' ') || (*str == '0')))
236 * for each valid digit, shift running value (tval) over to next digit
241 if ((*str >= '0') && (*str <= '9'))
242 tval = (tval << 4) + (*str++ - '0');
243 else if ((*str >= 'A') && (*str <= 'F'))
244 tval = (tval << 4) + 10 + (*str++ - 'A');
245 else if ((*str >= 'a') && (*str <= 'f'))
246 tval = (tval << 4) + 10 + (*str++ - 'a');
251 while ((str < stop) && (*str >= '0') && (*str <= '7'))
252 tval = (tval << 3) + (*str++ - '0');
259 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
260 * ascii 0's to fill string completely
261 * NOTE: the string created is NOT TERMINATED.
265 ul_asc(u_long val, char *str, int len, int base)
271 * WARNING str is not '\0' terminated by this routine
276 * do a tailwise conversion (start at right most end of string to place
277 * least significant digit). Keep shifting until conversion value goes
278 * to zero (all digits were converted)
282 if ((digit = (val & 0xf)) < 10)
283 *pt-- = '0' + (char)digit;
285 *pt-- = 'a' + (char)(digit - 10);
286 if ((val = (val >> 4)) == (u_long)0)
291 *pt-- = '0' + (char)(val & 0x7);
292 if ((val = (val >> 3)) == (u_long)0)
298 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
302 if (val != (u_long)0)
310 * convert hex/octal character string into a u_quad_t. We do not have to
311 * check for overflow! (the headers in all supported formats are not large
312 * enough to create an overflow).
313 * NOTE: strings passed to us are NOT TERMINATED.
319 asc_uqd(char *str, int len, int base)
327 * skip over leading blanks and zeros
329 while ((str < stop) && ((*str == ' ') || (*str == '0')))
333 * for each valid digit, shift running value (tval) over to next digit
338 if ((*str >= '0') && (*str <= '9'))
339 tval = (tval << 4) + (*str++ - '0');
340 else if ((*str >= 'A') && (*str <= 'F'))
341 tval = (tval << 4) + 10 + (*str++ - 'A');
342 else if ((*str >= 'a') && (*str <= 'f'))
343 tval = (tval << 4) + 10 + (*str++ - 'a');
348 while ((str < stop) && (*str >= '0') && (*str <= '7'))
349 tval = (tval << 3) + (*str++ - '0');
356 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
357 * ascii 0's to fill string completely
358 * NOTE: the string created is NOT TERMINATED.
362 uqd_asc(u_quad_t val, char *str, int len, int base)
368 * WARNING str is not '\0' terminated by this routine
373 * do a tailwise conversion (start at right most end of string to place
374 * least significant digit). Keep shifting until conversion value goes
375 * to zero (all digits were converted)
379 if ((digit = (val & 0xf)) < 10)
380 *pt-- = '0' + (char)digit;
382 *pt-- = 'a' + (char)(digit - 10);
383 if ((val = (val >> 4)) == (u_quad_t)0)
388 *pt-- = '0' + (char)(val & 0x7);
389 if ((val = (val >> 3)) == (u_quad_t)0)
395 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
399 if (val != (u_quad_t)0)