1/*-
2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
24 *
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
35 * SUCH DAMAGE.
36 */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93";
41#endif
42static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1992 Keith Muller.
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
24 *
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
35 * SUCH DAMAGE.
36 */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93";
41#endif
42static const char rcsid[] =
|
44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/time.h>
48#include <sys/stat.h>
49#include <stdio.h>
50#include <utmp.h>
51#include <unistd.h>
52#include <stdlib.h>
53#include <string.h>
54#include "pax.h"
55#include "extern.h"
56
57/*
58 * a collection of general purpose subroutines used by pax
59 */
60
61/*
62 * constants used by ls_list() when printing out archive members
63 */
64#define MODELEN 20
65#define DATELEN 64
66#define SIXMONTHS ((365 / 2) * 86400)
67#define CURFRMT "%b %e %H:%M"
68#define OLDFRMT "%b %e %Y"
69#ifndef UT_NAMESIZE
70#define UT_NAMESIZE 8
71#endif
72#define UT_GRPSIZE 6
73
74/*
75 * ls_list()
76 * list the members of an archive in ls format
77 */
78
79#if __STDC__
80void
81ls_list(register ARCHD *arcn, time_t now)
82#else
83void
84ls_list(arcn, now)
85 register ARCHD *arcn;
86 time_t now;
87#endif
88{
89 register struct stat *sbp;
90 char f_mode[MODELEN];
91 char f_date[DATELEN];
92 char *timefrmt;
93
94 /*
95 * if not verbose, just print the file name
96 */
97 if (!vflag) {
98 (void)printf("%s\n", arcn->name);
99 (void)fflush(stdout);
100 return;
101 }
102
103 /*
104 * user wants long mode
105 */
106 sbp = &(arcn->sb);
107 strmode(sbp->st_mode, f_mode);
108
109 if (ltmfrmt == NULL) {
110 /*
111 * no locale specified format. time format based on age
112 * compared to the time pax was started.
113 */
114 if ((sbp->st_mtime + SIXMONTHS) <= now)
115 timefrmt = OLDFRMT;
116 else
117 timefrmt = CURFRMT;
118 } else
119 timefrmt = ltmfrmt;
120
121 /*
122 * print file mode, link count, uid, gid and time
123 */
124 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
125 f_date[0] = '\0';
126 (void)printf("%s%2u %-*s %-*s ", f_mode, sbp->st_nlink, UT_NAMESIZE,
127 name_uid(sbp->st_uid, 1), UT_GRPSIZE,
128 name_gid(sbp->st_gid, 1));
129
130 /*
131 * print device id's for devices, or sizes for other nodes
132 */
133 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
134# ifdef NET2_STAT
135 (void)printf("%4u,%4u ", MAJOR(sbp->st_rdev),
136 MINOR(sbp->st_rdev));
137# else
138 (void)printf("%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
139 (unsigned long)MINOR(sbp->st_rdev));
140# endif
141 else {
142# ifdef NET2_STAT
143 (void)printf("%9lu ", sbp->st_size);
144# else
145 (void)printf("%9qu ", sbp->st_size);
146# endif
147 }
148
149 /*
150 * print name and link info for hard and soft links
151 */
152 (void)printf("%s %s", f_date, arcn->name);
153 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
154 (void)printf(" == %s\n", arcn->ln_name);
155 else if (arcn->type == PAX_SLK)
156 (void)printf(" => %s\n", arcn->ln_name);
157 else
158 (void)putchar('\n');
159 (void)fflush(stdout);
160 return;
161}
162
163/*
164 * tty_ls()
165 * print a short summary of file to tty.
166 */
167
168#if __STDC__
169void
170ls_tty(register ARCHD *arcn)
171#else
172void
173ls_tty(arcn)
174 register ARCHD *arcn;
175#endif
176{
177 char f_date[DATELEN];
178 char f_mode[MODELEN];
179 char *timefrmt;
180
181 if (ltmfrmt == NULL) {
182 /*
183 * no locale specified format
184 */
185 if ((arcn->sb.st_mtime + SIXMONTHS) <= time((time_t *)NULL))
186 timefrmt = OLDFRMT;
187 else
188 timefrmt = CURFRMT;
189 } else
190 timefrmt = ltmfrmt;
191
192 /*
193 * convert time to string, and print
194 */
195 if (strftime(f_date, DATELEN, timefrmt,
196 localtime(&(arcn->sb.st_mtime))) == 0)
197 f_date[0] = '\0';
198 strmode(arcn->sb.st_mode, f_mode);
199 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
200 return;
201}
202
203/*
204 * zf_strncpy()
205 * copy src to dest up to len chars (stopping at first '\0'), when src is
206 * shorter than len, pads to len with '\0'. big performance win (and
207 * a lot easier to code) over strncpy(), then a strlen() then a
208 * bzero(). (or doing the bzero() first).
209 */
210
211#if __STDC__
212void
213zf_strncpy(register char *dest, register char *src, int len)
214#else
215void
216zf_strncpy(dest, src, len)
217 register char *dest;
218 register char *src;
219 int len;
220#endif
221{
222 register char *stop;
223
224 stop = dest + len;
225 while ((dest < stop) && (*src != '\0'))
226 *dest++ = *src++;
227 while (dest < stop)
228 *dest++ = '\0';
229 return;
230}
231
232/*
233 * l_strncpy()
234 * copy src to dest up to len chars (stopping at first '\0')
235 * Return:
236 * number of chars copied. (Note this is a real performance win over
237 * doing a strncpy() then a strlen()
238 */
239
240#if __STDC__
241int
242l_strncpy(register char *dest, register char *src, int len)
243#else
244int
245l_strncpy(dest, src, len)
246 register char *dest;
247 register char *src;
248 int len;
249#endif
250{
251 register char *stop;
252 register char *start;
253
254 stop = dest + len;
255 start = dest;
256 while ((dest < stop) && (*src != '\0'))
257 *dest++ = *src++;
258 if (dest < stop)
259 *dest = '\0';
260 return(dest - start);
261}
262
263/*
264 * asc_ul()
265 * convert hex/octal character string into a u_long. We do not have to
266 * check for overflow! (the headers in all supported formats are not large
267 * enough to create an overflow).
268 * NOTE: strings passed to us are NOT TERMINATED.
269 * Return:
270 * unsigned long value
271 */
272
273#if __STDC__
274u_long
275asc_ul(register char *str, int len, register int base)
276#else
277u_long
278asc_ul(str, len, base)
279 register char *str;
280 int len;
281 register int base;
282#endif
283{
284 register char *stop;
285 u_long tval = 0;
286
287 stop = str + len;
288
289 /*
290 * skip over leading blanks and zeros
291 */
292 while ((str < stop) && ((*str == ' ') || (*str == '0')))
293 ++str;
294
295 /*
296 * for each valid digit, shift running value (tval) over to next digit
297 * and add next digit
298 */
299 if (base == HEX) {
300 while (str < stop) {
301 if ((*str >= '0') && (*str <= '9'))
302 tval = (tval << 4) + (*str++ - '0');
303 else if ((*str >= 'A') && (*str <= 'F'))
304 tval = (tval << 4) + 10 + (*str++ - 'A');
305 else if ((*str >= 'a') && (*str <= 'f'))
306 tval = (tval << 4) + 10 + (*str++ - 'a');
307 else
308 break;
309 }
310 } else {
311 while ((str < stop) && (*str >= '0') && (*str <= '7'))
312 tval = (tval << 3) + (*str++ - '0');
313 }
314 return(tval);
315}
316
317/*
318 * ul_asc()
319 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
320 * ascii 0's to fill string completely
321 * NOTE: the string created is NOT TERMINATED.
322 */
323
324#if __STDC__
325int
326ul_asc(u_long val, register char *str, register int len, register int base)
327#else
328int
329ul_asc(val, str, len, base)
330 u_long val;
331 register char *str;
332 register int len;
333 register int base;
334#endif
335{
336 register char *pt;
337 u_long digit;
338
339 /*
340 * WARNING str is not '\0' terminated by this routine
341 */
342 pt = str + len - 1;
343
344 /*
345 * do a tailwise conversion (start at right most end of string to place
346 * least significant digit). Keep shifting until conversion value goes
347 * to zero (all digits were converted)
348 */
349 if (base == HEX) {
350 while (pt >= str) {
351 if ((digit = (val & 0xf)) < 10)
352 *pt-- = '0' + (char)digit;
353 else
354 *pt-- = 'a' + (char)(digit - 10);
355 if ((val = (val >> 4)) == (u_long)0)
356 break;
357 }
358 } else {
359 while (pt >= str) {
360 *pt-- = '0' + (char)(val & 0x7);
361 if ((val = (val >> 3)) == (u_long)0)
362 break;
363 }
364 }
365
366 /*
367 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
368 */
369 while (pt >= str)
370 *pt-- = '0';
371 if (val != (u_long)0)
372 return(-1);
373 return(0);
374}
375
376#ifndef NET2_STAT
377/*
378 * asc_uqd()
379 * convert hex/octal character string into a u_quad_t. We do not have to
380 * check for overflow! (the headers in all supported formats are not large
381 * enough to create an overflow).
382 * NOTE: strings passed to us are NOT TERMINATED.
383 * Return:
384 * u_quad_t value
385 */
386
387#if __STDC__
388u_quad_t
389asc_uqd(register char *str, int len, register int base)
390#else
391u_quad_t
392asc_uqd(str, len, base)
393 register char *str;
394 int len;
395 register int base;
396#endif
397{
398 register char *stop;
399 u_quad_t tval = 0;
400
401 stop = str + len;
402
403 /*
404 * skip over leading blanks and zeros
405 */
406 while ((str < stop) && ((*str == ' ') || (*str == '0')))
407 ++str;
408
409 /*
410 * for each valid digit, shift running value (tval) over to next digit
411 * and add next digit
412 */
413 if (base == HEX) {
414 while (str < stop) {
415 if ((*str >= '0') && (*str <= '9'))
416 tval = (tval << 4) + (*str++ - '0');
417 else if ((*str >= 'A') && (*str <= 'F'))
418 tval = (tval << 4) + 10 + (*str++ - 'A');
419 else if ((*str >= 'a') && (*str <= 'f'))
420 tval = (tval << 4) + 10 + (*str++ - 'a');
421 else
422 break;
423 }
424 } else {
425 while ((str < stop) && (*str >= '0') && (*str <= '7'))
426 tval = (tval << 3) + (*str++ - '0');
427 }
428 return(tval);
429}
430
431/*
432 * uqd_asc()
433 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
434 * ascii 0's to fill string completely
435 * NOTE: the string created is NOT TERMINATED.
436 */
437
438#if __STDC__
439int
440uqd_asc(u_quad_t val, register char *str, register int len, register int base)
441#else
442int
443uqd_asc(val, str, len, base)
444 u_quad_t val;
445 register char *str;
446 register int len;
447 register int base;
448#endif
449{
450 register char *pt;
451 u_quad_t digit;
452
453 /*
454 * WARNING str is not '\0' terminated by this routine
455 */
456 pt = str + len - 1;
457
458 /*
459 * do a tailwise conversion (start at right most end of string to place
460 * least significant digit). Keep shifting until conversion value goes
461 * to zero (all digits were converted)
462 */
463 if (base == HEX) {
464 while (pt >= str) {
465 if ((digit = (val & 0xf)) < 10)
466 *pt-- = '0' + (char)digit;
467 else
468 *pt-- = 'a' + (char)(digit - 10);
469 if ((val = (val >> 4)) == (u_quad_t)0)
470 break;
471 }
472 } else {
473 while (pt >= str) {
474 *pt-- = '0' + (char)(val & 0x7);
475 if ((val = (val >> 3)) == (u_quad_t)0)
476 break;
477 }
478 }
479
480 /*
481 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
482 */
483 while (pt >= str)
484 *pt-- = '0';
485 if (val != (u_quad_t)0)
486 return(-1);
487 return(0);
488}
489#endif
| 44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/time.h>
48#include <sys/stat.h>
49#include <stdio.h>
50#include <utmp.h>
51#include <unistd.h>
52#include <stdlib.h>
53#include <string.h>
54#include "pax.h"
55#include "extern.h"
56
57/*
58 * a collection of general purpose subroutines used by pax
59 */
60
61/*
62 * constants used by ls_list() when printing out archive members
63 */
64#define MODELEN 20
65#define DATELEN 64
66#define SIXMONTHS ((365 / 2) * 86400)
67#define CURFRMT "%b %e %H:%M"
68#define OLDFRMT "%b %e %Y"
69#ifndef UT_NAMESIZE
70#define UT_NAMESIZE 8
71#endif
72#define UT_GRPSIZE 6
73
74/*
75 * ls_list()
76 * list the members of an archive in ls format
77 */
78
79#if __STDC__
80void
81ls_list(register ARCHD *arcn, time_t now)
82#else
83void
84ls_list(arcn, now)
85 register ARCHD *arcn;
86 time_t now;
87#endif
88{
89 register struct stat *sbp;
90 char f_mode[MODELEN];
91 char f_date[DATELEN];
92 char *timefrmt;
93
94 /*
95 * if not verbose, just print the file name
96 */
97 if (!vflag) {
98 (void)printf("%s\n", arcn->name);
99 (void)fflush(stdout);
100 return;
101 }
102
103 /*
104 * user wants long mode
105 */
106 sbp = &(arcn->sb);
107 strmode(sbp->st_mode, f_mode);
108
109 if (ltmfrmt == NULL) {
110 /*
111 * no locale specified format. time format based on age
112 * compared to the time pax was started.
113 */
114 if ((sbp->st_mtime + SIXMONTHS) <= now)
115 timefrmt = OLDFRMT;
116 else
117 timefrmt = CURFRMT;
118 } else
119 timefrmt = ltmfrmt;
120
121 /*
122 * print file mode, link count, uid, gid and time
123 */
124 if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
125 f_date[0] = '\0';
126 (void)printf("%s%2u %-*s %-*s ", f_mode, sbp->st_nlink, UT_NAMESIZE,
127 name_uid(sbp->st_uid, 1), UT_GRPSIZE,
128 name_gid(sbp->st_gid, 1));
129
130 /*
131 * print device id's for devices, or sizes for other nodes
132 */
133 if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
134# ifdef NET2_STAT
135 (void)printf("%4u,%4u ", MAJOR(sbp->st_rdev),
136 MINOR(sbp->st_rdev));
137# else
138 (void)printf("%4lu,%4lu ", (unsigned long)MAJOR(sbp->st_rdev),
139 (unsigned long)MINOR(sbp->st_rdev));
140# endif
141 else {
142# ifdef NET2_STAT
143 (void)printf("%9lu ", sbp->st_size);
144# else
145 (void)printf("%9qu ", sbp->st_size);
146# endif
147 }
148
149 /*
150 * print name and link info for hard and soft links
151 */
152 (void)printf("%s %s", f_date, arcn->name);
153 if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
154 (void)printf(" == %s\n", arcn->ln_name);
155 else if (arcn->type == PAX_SLK)
156 (void)printf(" => %s\n", arcn->ln_name);
157 else
158 (void)putchar('\n');
159 (void)fflush(stdout);
160 return;
161}
162
163/*
164 * tty_ls()
165 * print a short summary of file to tty.
166 */
167
168#if __STDC__
169void
170ls_tty(register ARCHD *arcn)
171#else
172void
173ls_tty(arcn)
174 register ARCHD *arcn;
175#endif
176{
177 char f_date[DATELEN];
178 char f_mode[MODELEN];
179 char *timefrmt;
180
181 if (ltmfrmt == NULL) {
182 /*
183 * no locale specified format
184 */
185 if ((arcn->sb.st_mtime + SIXMONTHS) <= time((time_t *)NULL))
186 timefrmt = OLDFRMT;
187 else
188 timefrmt = CURFRMT;
189 } else
190 timefrmt = ltmfrmt;
191
192 /*
193 * convert time to string, and print
194 */
195 if (strftime(f_date, DATELEN, timefrmt,
196 localtime(&(arcn->sb.st_mtime))) == 0)
197 f_date[0] = '\0';
198 strmode(arcn->sb.st_mode, f_mode);
199 tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
200 return;
201}
202
203/*
204 * zf_strncpy()
205 * copy src to dest up to len chars (stopping at first '\0'), when src is
206 * shorter than len, pads to len with '\0'. big performance win (and
207 * a lot easier to code) over strncpy(), then a strlen() then a
208 * bzero(). (or doing the bzero() first).
209 */
210
211#if __STDC__
212void
213zf_strncpy(register char *dest, register char *src, int len)
214#else
215void
216zf_strncpy(dest, src, len)
217 register char *dest;
218 register char *src;
219 int len;
220#endif
221{
222 register char *stop;
223
224 stop = dest + len;
225 while ((dest < stop) && (*src != '\0'))
226 *dest++ = *src++;
227 while (dest < stop)
228 *dest++ = '\0';
229 return;
230}
231
232/*
233 * l_strncpy()
234 * copy src to dest up to len chars (stopping at first '\0')
235 * Return:
236 * number of chars copied. (Note this is a real performance win over
237 * doing a strncpy() then a strlen()
238 */
239
240#if __STDC__
241int
242l_strncpy(register char *dest, register char *src, int len)
243#else
244int
245l_strncpy(dest, src, len)
246 register char *dest;
247 register char *src;
248 int len;
249#endif
250{
251 register char *stop;
252 register char *start;
253
254 stop = dest + len;
255 start = dest;
256 while ((dest < stop) && (*src != '\0'))
257 *dest++ = *src++;
258 if (dest < stop)
259 *dest = '\0';
260 return(dest - start);
261}
262
263/*
264 * asc_ul()
265 * convert hex/octal character string into a u_long. We do not have to
266 * check for overflow! (the headers in all supported formats are not large
267 * enough to create an overflow).
268 * NOTE: strings passed to us are NOT TERMINATED.
269 * Return:
270 * unsigned long value
271 */
272
273#if __STDC__
274u_long
275asc_ul(register char *str, int len, register int base)
276#else
277u_long
278asc_ul(str, len, base)
279 register char *str;
280 int len;
281 register int base;
282#endif
283{
284 register char *stop;
285 u_long tval = 0;
286
287 stop = str + len;
288
289 /*
290 * skip over leading blanks and zeros
291 */
292 while ((str < stop) && ((*str == ' ') || (*str == '0')))
293 ++str;
294
295 /*
296 * for each valid digit, shift running value (tval) over to next digit
297 * and add next digit
298 */
299 if (base == HEX) {
300 while (str < stop) {
301 if ((*str >= '0') && (*str <= '9'))
302 tval = (tval << 4) + (*str++ - '0');
303 else if ((*str >= 'A') && (*str <= 'F'))
304 tval = (tval << 4) + 10 + (*str++ - 'A');
305 else if ((*str >= 'a') && (*str <= 'f'))
306 tval = (tval << 4) + 10 + (*str++ - 'a');
307 else
308 break;
309 }
310 } else {
311 while ((str < stop) && (*str >= '0') && (*str <= '7'))
312 tval = (tval << 3) + (*str++ - '0');
313 }
314 return(tval);
315}
316
317/*
318 * ul_asc()
319 * convert an unsigned long into an hex/oct ascii string. pads with LEADING
320 * ascii 0's to fill string completely
321 * NOTE: the string created is NOT TERMINATED.
322 */
323
324#if __STDC__
325int
326ul_asc(u_long val, register char *str, register int len, register int base)
327#else
328int
329ul_asc(val, str, len, base)
330 u_long val;
331 register char *str;
332 register int len;
333 register int base;
334#endif
335{
336 register char *pt;
337 u_long digit;
338
339 /*
340 * WARNING str is not '\0' terminated by this routine
341 */
342 pt = str + len - 1;
343
344 /*
345 * do a tailwise conversion (start at right most end of string to place
346 * least significant digit). Keep shifting until conversion value goes
347 * to zero (all digits were converted)
348 */
349 if (base == HEX) {
350 while (pt >= str) {
351 if ((digit = (val & 0xf)) < 10)
352 *pt-- = '0' + (char)digit;
353 else
354 *pt-- = 'a' + (char)(digit - 10);
355 if ((val = (val >> 4)) == (u_long)0)
356 break;
357 }
358 } else {
359 while (pt >= str) {
360 *pt-- = '0' + (char)(val & 0x7);
361 if ((val = (val >> 3)) == (u_long)0)
362 break;
363 }
364 }
365
366 /*
367 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
368 */
369 while (pt >= str)
370 *pt-- = '0';
371 if (val != (u_long)0)
372 return(-1);
373 return(0);
374}
375
376#ifndef NET2_STAT
377/*
378 * asc_uqd()
379 * convert hex/octal character string into a u_quad_t. We do not have to
380 * check for overflow! (the headers in all supported formats are not large
381 * enough to create an overflow).
382 * NOTE: strings passed to us are NOT TERMINATED.
383 * Return:
384 * u_quad_t value
385 */
386
387#if __STDC__
388u_quad_t
389asc_uqd(register char *str, int len, register int base)
390#else
391u_quad_t
392asc_uqd(str, len, base)
393 register char *str;
394 int len;
395 register int base;
396#endif
397{
398 register char *stop;
399 u_quad_t tval = 0;
400
401 stop = str + len;
402
403 /*
404 * skip over leading blanks and zeros
405 */
406 while ((str < stop) && ((*str == ' ') || (*str == '0')))
407 ++str;
408
409 /*
410 * for each valid digit, shift running value (tval) over to next digit
411 * and add next digit
412 */
413 if (base == HEX) {
414 while (str < stop) {
415 if ((*str >= '0') && (*str <= '9'))
416 tval = (tval << 4) + (*str++ - '0');
417 else if ((*str >= 'A') && (*str <= 'F'))
418 tval = (tval << 4) + 10 + (*str++ - 'A');
419 else if ((*str >= 'a') && (*str <= 'f'))
420 tval = (tval << 4) + 10 + (*str++ - 'a');
421 else
422 break;
423 }
424 } else {
425 while ((str < stop) && (*str >= '0') && (*str <= '7'))
426 tval = (tval << 3) + (*str++ - '0');
427 }
428 return(tval);
429}
430
431/*
432 * uqd_asc()
433 * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
434 * ascii 0's to fill string completely
435 * NOTE: the string created is NOT TERMINATED.
436 */
437
438#if __STDC__
439int
440uqd_asc(u_quad_t val, register char *str, register int len, register int base)
441#else
442int
443uqd_asc(val, str, len, base)
444 u_quad_t val;
445 register char *str;
446 register int len;
447 register int base;
448#endif
449{
450 register char *pt;
451 u_quad_t digit;
452
453 /*
454 * WARNING str is not '\0' terminated by this routine
455 */
456 pt = str + len - 1;
457
458 /*
459 * do a tailwise conversion (start at right most end of string to place
460 * least significant digit). Keep shifting until conversion value goes
461 * to zero (all digits were converted)
462 */
463 if (base == HEX) {
464 while (pt >= str) {
465 if ((digit = (val & 0xf)) < 10)
466 *pt-- = '0' + (char)digit;
467 else
468 *pt-- = 'a' + (char)(digit - 10);
469 if ((val = (val >> 4)) == (u_quad_t)0)
470 break;
471 }
472 } else {
473 while (pt >= str) {
474 *pt-- = '0' + (char)(val & 0x7);
475 if ((val = (val >> 3)) == (u_quad_t)0)
476 break;
477 }
478 }
479
480 /*
481 * pad with leading ascii ZEROS. We return -1 if we ran out of space.
482 */
483 while (pt >= str)
484 *pt-- = '0';
485 if (val != (u_quad_t)0)
486 return(-1);
487 return(0);
488}
489#endif
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