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>
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"
69 static int d_first = -1;
73 * list the members of an archive in ls format
77 ls_list(ARCHD *arcn, time_t now, FILE *fp)
85 * if not verbose, just print the file name
88 (void)fprintf(fp, "%s\n", arcn->name);
94 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
96 * user wants long mode
99 strmode(sbp->st_mode, f_mode);
102 * time format based on age compared to the time pax was started.
104 if ((sbp->st_mtime + SIXMONTHS) <= now)
105 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
107 timefrmt = d_first ? CURFRMTD : CURFRMTM;
110 * print file mode, link count, uid, gid and time
112 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
114 (void)fprintf(fp, "%s%2u %-12s %-12s ", f_mode, sbp->st_nlink,
115 name_uid(sbp->st_uid, 1), name_gid(sbp->st_gid, 1));
118 * print device id's for devices, or sizes for other nodes
120 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
122 (void)fprintf(fp, "%4u,%4u ", MAJOR(sbp->st_rdev),
123 MINOR(sbp->st_rdev));
125 (void)fprintf(fp, "%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
126 (unsigned long)MINOR(sbp->st_rdev));
130 (void)fprintf(fp, "%9lu ", sbp->st_size);
132 (void)fprintf(fp, "%9ju ", (uintmax_t)sbp->st_size);
137 * print name and link info for hard and soft links
139 (void)fprintf(fp, "%s %s", f_date, arcn->name);
140 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
141 (void)fprintf(fp, " == %s\n", arcn->ln_name);
142 else if (arcn->type == PAX_SLK)
143 (void)fprintf(fp, " => %s\n", arcn->ln_name);
145 (void)putc('\n', fp);
152 * print a short summary of file to tty.
158 char f_date[DATELEN];
159 char f_mode[MODELEN];
160 const char *timefrmt;
163 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
165 if ((arcn->sb.st_mtime + SIXMONTHS) <= time(NULL))
166 timefrmt = d_first ? OLDFRMTD : OLDFRMTM;
168 timefrmt = d_first ? CURFRMTD : CURFRMTM;
171 * convert time to string, and print
173 if (strftime(f_date, DATELEN, timefrmt,
174 localtime(&(arcn->sb.st_mtime))) == 0)
176 strmode(arcn->sb.st_mode, f_mode);
177 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
183 * copy src to dest up to len chars (stopping at first '\0').
184 * when src is shorter than len, pads to len with '\0'.
186 * number of chars copied. (Note this is a real performance win over
187 * doing a strncpy(), a strlen(), and then a possible memset())
191 l_strncpy(char *dest, const char *src, int len)
198 while ((dest < stop) && (*src != '\0'))
208 * convert hex/octal character string into a u_long. We do not have to
209 * check for overflow! (the headers in all supported formats are not large
210 * enough to create an overflow).
211 * NOTE: strings passed to us are NOT TERMINATED.
213 * unsigned long value
217 asc_ul(char *str, int len, int base)
225 * skip over leading blanks and zeros
227 while ((str < stop) && ((*str == ' ') || (*str == '0')))
231 * for each valid digit, shift running value (tval) over to next digit
236 if ((*str >= '0') && (*str <= '9'))
237 tval = (tval << 4) + (*str++ - '0');
238 else if ((*str >= 'A') && (*str <= 'F'))
239 tval = (tval << 4) + 10 + (*str++ - 'A');
240 else if ((*str >= 'a') && (*str <= 'f'))
241 tval = (tval << 4) + 10 + (*str++ - 'a');
246 while ((str < stop) && (*str >= '0') && (*str <= '7'))
247 tval = (tval << 3) + (*str++ - '0');
254 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
255 * ascii 0's to fill string completely
256 * NOTE: the string created is NOT TERMINATED.
260 ul_asc(u_long val, char *str, int len, int base)
266 * WARNING str is not '\0' terminated by this routine
271 * do a tailwise conversion (start at right most end of string to place
272 * least significant digit). Keep shifting until conversion value goes
273 * to zero (all digits were converted)
277 if ((digit = (val & 0xf)) < 10)
278 *pt-- = '0' + (char)digit;
280 *pt-- = 'a' + (char)(digit - 10);
281 if ((val = (val >> 4)) == (u_long)0)
286 *pt-- = '0' + (char)(val & 0x7);
287 if ((val = (val >> 3)) == (u_long)0)
293 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
297 if (val != (u_long)0)
305 * convert hex/octal character string into a u_quad_t. We do not have to
306 * check for overflow! (the headers in all supported formats are not large
307 * enough to create an overflow).
308 * NOTE: strings passed to us are NOT TERMINATED.
314 asc_uqd(char *str, int len, int base)
322 * skip over leading blanks and zeros
324 while ((str < stop) && ((*str == ' ') || (*str == '0')))
328 * for each valid digit, shift running value (tval) over to next digit
333 if ((*str >= '0') && (*str <= '9'))
334 tval = (tval << 4) + (*str++ - '0');
335 else if ((*str >= 'A') && (*str <= 'F'))
336 tval = (tval << 4) + 10 + (*str++ - 'A');
337 else if ((*str >= 'a') && (*str <= 'f'))
338 tval = (tval << 4) + 10 + (*str++ - 'a');
343 while ((str < stop) && (*str >= '0') && (*str <= '7'))
344 tval = (tval << 3) + (*str++ - '0');
351 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
352 * ascii 0's to fill string completely
353 * NOTE: the string created is NOT TERMINATED.
357 uqd_asc(u_quad_t val, char *str, int len, int base)
363 * WARNING str is not '\0' terminated by this routine
368 * do a tailwise conversion (start at right most end of string to place
369 * least significant digit). Keep shifting until conversion value goes
370 * to zero (all digits were converted)
374 if ((digit = (val & 0xf)) < 10)
375 *pt-- = '0' + (char)digit;
377 *pt-- = 'a' + (char)(digit - 10);
378 if ((val = (val >> 4)) == (u_quad_t)0)
383 *pt-- = '0' + (char)(val & 0x7);
384 if ((val = (val >> 3)) == (u_quad_t)0)
390 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
394 if (val != (u_quad_t)0)