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 * 4. 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
36 static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93";
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include <sys/types.h>
56 * a collection of general purpose subroutines used by pax
60 * constants used by ls_list() when printing out archive members
64 #define SIXMONTHS ((365 / 2) * 86400)
65 #define CURFRMTM "%b %e %H:%M"
66 #define OLDFRMTM "%b %e %Y"
67 #define CURFRMTD "%e %b %H:%M"
68 #define OLDFRMTD "%e %b %Y"
74 static int d_first = -1;
78 * list the members of an archive in ls format
82 ls_list(ARCHD *arcn, time_t now, FILE *fp)
90 * if not verbose, just print the file name
93 (void)fprintf(fp, "%s\n", arcn->name);
99 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
101 * user wants long mode
104 strmode(sbp->st_mode, f_mode);
107 * time format based on age compared to the time pax was started.
109 if ((sbp->st_mtime + SIXMONTHS) <= now)
110 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
112 timefrmt = d_first ? CURFRMTD : CURFRMTM;
115 * print file mode, link count, uid, gid and time
117 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
119 (void)fprintf(fp, "%s%2u %-*s %-*s ", f_mode, sbp->st_nlink,
120 UT_NAMESIZE, name_uid(sbp->st_uid, 1), UT_GRPSIZE,
121 name_gid(sbp->st_gid, 1));
124 * print device id's for devices, or sizes for other nodes
126 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
128 (void)fprintf(fp, "%4u,%4u ", MAJOR(sbp->st_rdev),
129 MINOR(sbp->st_rdev));
131 (void)fprintf(fp, "%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
132 (unsigned long)MINOR(sbp->st_rdev));
136 (void)fprintf(fp, "%9lu ", sbp->st_size);
138 (void)fprintf(fp, "%9ju ", (uintmax_t)sbp->st_size);
143 * print name and link info for hard and soft links
145 (void)fprintf(fp, "%s %s", f_date, arcn->name);
146 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
147 (void)fprintf(fp, " == %s\n", arcn->ln_name);
148 else if (arcn->type == PAX_SLK)
149 (void)fprintf(fp, " => %s\n", arcn->ln_name);
151 (void)putc('\n', fp);
158 * print a short summary of file to tty.
164 char f_date[DATELEN];
165 char f_mode[MODELEN];
166 const char *timefrmt;
169 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
171 if ((arcn->sb.st_mtime + SIXMONTHS) <= time(NULL))
172 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
174 timefrmt = d_first ? CURFRMTD : CURFRMTM;
177 * convert time to string, and print
179 if (strftime(f_date, DATELEN, timefrmt,
180 localtime(&(arcn->sb.st_mtime))) == 0)
182 strmode(arcn->sb.st_mode, f_mode);
183 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
189 * copy src to dest up to len chars (stopping at first '\0').
190 * when src is shorter than len, pads to len with '\0'.
192 * number of chars copied. (Note this is a real performance win over
193 * doing a strncpy(), a strlen(), and then a possible memset())
197 l_strncpy(char *dest, const char *src, int len)
204 while ((dest < stop) && (*src != '\0'))
214 * convert hex/octal character string into a u_long. We do not have to
215 * check for overflow! (the headers in all supported formats are not large
216 * enough to create an overflow).
217 * NOTE: strings passed to us are NOT TERMINATED.
219 * unsigned long value
223 asc_ul(char *str, int len, int base)
231 * skip over leading blanks and zeros
233 while ((str < stop) && ((*str == ' ') || (*str == '0')))
237 * for each valid digit, shift running value (tval) over to next digit
242 if ((*str >= '0') && (*str <= '9'))
243 tval = (tval << 4) + (*str++ - '0');
244 else if ((*str >= 'A') && (*str <= 'F'))
245 tval = (tval << 4) + 10 + (*str++ - 'A');
246 else if ((*str >= 'a') && (*str <= 'f'))
247 tval = (tval << 4) + 10 + (*str++ - 'a');
252 while ((str < stop) && (*str >= '0') && (*str <= '7'))
253 tval = (tval << 3) + (*str++ - '0');
260 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
261 * ascii 0's to fill string completely
262 * NOTE: the string created is NOT TERMINATED.
266 ul_asc(u_long val, char *str, int len, int base)
272 * WARNING str is not '\0' terminated by this routine
277 * do a tailwise conversion (start at right most end of string to place
278 * least significant digit). Keep shifting until conversion value goes
279 * to zero (all digits were converted)
283 if ((digit = (val & 0xf)) < 10)
284 *pt-- = '0' + (char)digit;
286 *pt-- = 'a' + (char)(digit - 10);
287 if ((val = (val >> 4)) == (u_long)0)
292 *pt-- = '0' + (char)(val & 0x7);
293 if ((val = (val >> 3)) == (u_long)0)
299 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
303 if (val != (u_long)0)
311 * convert hex/octal character string into a u_quad_t. We do not have to
312 * check for overflow! (the headers in all supported formats are not large
313 * enough to create an overflow).
314 * NOTE: strings passed to us are NOT TERMINATED.
320 asc_uqd(char *str, int len, int base)
328 * skip over leading blanks and zeros
330 while ((str < stop) && ((*str == ' ') || (*str == '0')))
334 * for each valid digit, shift running value (tval) over to next digit
339 if ((*str >= '0') && (*str <= '9'))
340 tval = (tval << 4) + (*str++ - '0');
341 else if ((*str >= 'A') && (*str <= 'F'))
342 tval = (tval << 4) + 10 + (*str++ - 'A');
343 else if ((*str >= 'a') && (*str <= 'f'))
344 tval = (tval << 4) + 10 + (*str++ - 'a');
349 while ((str < stop) && (*str >= '0') && (*str <= '7'))
350 tval = (tval << 3) + (*str++ - '0');
357 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
358 * ascii 0's to fill string completely
359 * NOTE: the string created is NOT TERMINATED.
363 uqd_asc(u_quad_t val, char *str, int len, int base)
369 * WARNING str is not '\0' terminated by this routine
374 * do a tailwise conversion (start at right most end of string to place
375 * least significant digit). Keep shifting until conversion value goes
376 * to zero (all digits were converted)
380 if ((digit = (val & 0xf)) < 10)
381 *pt-- = '0' + (char)digit;
383 *pt-- = 'a' + (char)(digit - 10);
384 if ((val = (val >> 4)) == (u_quad_t)0)
389 *pt-- = '0' + (char)(val & 0x7);
390 if ((val = (val >> 3)) == (u_quad_t)0)
396 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
400 if (val != (u_quad_t)0)