summaryrefslogtreecommitdiffstats
path: root/bin/pax/gen_subs.c
diff options
context:
space:
mode:
authorrgrimes <rgrimes@FreeBSD.org>1994-05-26 06:18:55 +0000
committerrgrimes <rgrimes@FreeBSD.org>1994-05-26 06:18:55 +0000
commite3cfc8ce61f788739c66445d903f8beacb40c93d (patch)
treeba7beef9ee9289c4383bad976f88710e44c98b4d /bin/pax/gen_subs.c
parent862fdf11a2ede45dec0da01ed575525d79468981 (diff)
downloadFreeBSD-src-e3cfc8ce61f788739c66445d903f8beacb40c93d.zip
FreeBSD-src-e3cfc8ce61f788739c66445d903f8beacb40c93d.tar.gz
BSD 4.4 Lite bin Sources
Diffstat (limited to 'bin/pax/gen_subs.c')
-rw-r--r--bin/pax/gen_subs.c487
1 files changed, 487 insertions, 0 deletions
diff --git a/bin/pax/gen_subs.c b/bin/pax/gen_subs.c
new file mode 100644
index 0000000..390e5bd
--- /dev/null
+++ b/bin/pax/gen_subs.c
@@ -0,0 +1,487 @@
+/*-
+ * Copyright (c) 1992 Keith Muller.
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Keith Muller of the University of California, San Diego.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <tzfile.h>
+#include <utmp.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include "pax.h"
+#include "extern.h"
+
+/*
+ * a collection of general purpose subroutines used by pax
+ */
+
+/*
+ * constants used by ls_list() when printing out archive members
+ */
+#define MODELEN 20
+#define DATELEN 64
+#define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY)
+#define CURFRMT "%b %e %H:%M"
+#define OLDFRMT "%b %e %Y"
+#ifndef UT_NAMESIZE
+#define UT_NAMESIZE 8
+#endif
+#define UT_GRPSIZE 6
+
+/*
+ * ls_list()
+ * list the members of an archive in ls format
+ */
+
+#if __STDC__
+void
+ls_list(register ARCHD *arcn, time_t now)
+#else
+void
+ls_list(arcn, now)
+ register ARCHD *arcn;
+ time_t now;
+#endif
+{
+ register struct stat *sbp;
+ char f_mode[MODELEN];
+ char f_date[DATELEN];
+ char *timefrmt;
+
+ /*
+ * if not verbose, just print the file name
+ */
+ if (!vflag) {
+ (void)printf("%s\n", arcn->name);
+ (void)fflush(stdout);
+ return;
+ }
+
+ /*
+ * user wants long mode
+ */
+ sbp = &(arcn->sb);
+ strmode(sbp->st_mode, f_mode);
+
+ if (ltmfrmt == NULL) {
+ /*
+ * no locale specified format. time format based on age
+ * compared to the time pax was started.
+ */
+ if ((sbp->st_mtime + SIXMONTHS) <= now)
+ timefrmt = OLDFRMT;
+ else
+ timefrmt = CURFRMT;
+ } else
+ timefrmt = ltmfrmt;
+
+ /*
+ * print file mode, link count, uid, gid and time
+ */
+ if (strftime(f_date,DATELEN,timefrmt,localtime(&(sbp->st_mtime))) == 0)
+ f_date[0] = '\0';
+ (void)printf("%s%2u %-*s %-*s ", f_mode, sbp->st_nlink, UT_NAMESIZE,
+ name_uid(sbp->st_uid, 1), UT_GRPSIZE,
+ name_gid(sbp->st_gid, 1));
+
+ /*
+ * print device id's for devices, or sizes for other nodes
+ */
+ if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
+# ifdef NET2_STAT
+ (void)printf("%4u,%4u ", MAJOR(sbp->st_rdev),
+# else
+ (void)printf("%4lu,%4lu ", MAJOR(sbp->st_rdev),
+# endif
+ MINOR(sbp->st_rdev));
+ else {
+# ifdef NET2_STAT
+ (void)printf("%9lu ", sbp->st_size);
+# else
+ (void)printf("%9qu ", sbp->st_size);
+# endif
+ }
+
+ /*
+ * print name and link info for hard and soft links
+ */
+ (void)printf("%s %s", f_date, arcn->name);
+ if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
+ (void)printf(" == %s\n", arcn->ln_name);
+ else if (arcn->type == PAX_SLK)
+ (void)printf(" => %s\n", arcn->ln_name);
+ else
+ (void)putchar('\n');
+ (void)fflush(stdout);
+ return;
+}
+
+/*
+ * tty_ls()
+ * print a short summary of file to tty.
+ */
+
+#if __STDC__
+void
+ls_tty(register ARCHD *arcn)
+#else
+void
+ls_tty(arcn)
+ register ARCHD *arcn;
+#endif
+{
+ char f_date[DATELEN];
+ char f_mode[MODELEN];
+ char *timefrmt;
+
+ if (ltmfrmt == NULL) {
+ /*
+ * no locale specified format
+ */
+ if ((arcn->sb.st_mtime + SIXMONTHS) <= time((time_t *)NULL))
+ timefrmt = OLDFRMT;
+ else
+ timefrmt = CURFRMT;
+ } else
+ timefrmt = ltmfrmt;
+
+ /*
+ * convert time to string, and print
+ */
+ if (strftime(f_date, DATELEN, timefrmt,
+ localtime(&(arcn->sb.st_mtime))) == 0)
+ f_date[0] = '\0';
+ strmode(arcn->sb.st_mode, f_mode);
+ tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
+ return;
+}
+
+/*
+ * zf_strncpy()
+ * copy src to dest up to len chars (stopping at first '\0'), when src is
+ * shorter than len, pads to len with '\0'. big performance win (and
+ * a lot easier to code) over strncpy(), then a strlen() then a
+ * bzero(). (or doing the bzero() first).
+ */
+
+#if __STDC__
+void
+zf_strncpy(register char *dest, register char *src, int len)
+#else
+void
+zf_strncpy(dest, src, len)
+ register char *dest;
+ register char *src;
+ int len;
+#endif
+{
+ register char *stop;
+
+ stop = dest + len;
+ while ((dest < stop) && (*src != '\0'))
+ *dest++ = *src++;
+ while (dest < stop)
+ *dest++ = '\0';
+ return;
+}
+
+/*
+ * l_strncpy()
+ * copy src to dest up to len chars (stopping at first '\0')
+ * Return:
+ * number of chars copied. (Note this is a real performance win over
+ * doing a strncpy() then a strlen()
+ */
+
+#if __STDC__
+int
+l_strncpy(register char *dest, register char *src, int len)
+#else
+int
+l_strncpy(dest, src, len)
+ register char *dest;
+ register char *src;
+ int len;
+#endif
+{
+ register char *stop;
+ register char *start;
+
+ stop = dest + len;
+ start = dest;
+ while ((dest < stop) && (*src != '\0'))
+ *dest++ = *src++;
+ if (dest < stop)
+ *dest = '\0';
+ return(dest - start);
+}
+
+/*
+ * asc_ul()
+ * convert hex/octal character string into a u_long. We do not have to
+ * check for overflow! (the headers in all supported formats are not large
+ * enough to create an overflow).
+ * NOTE: strings passed to us are NOT TERMINATED.
+ * Return:
+ * unsigned long value
+ */
+
+#if __STDC__
+u_long
+asc_ul(register char *str, int len, register int base)
+#else
+u_long
+asc_ul(str, len, base)
+ register char *str;
+ int len;
+ register int base;
+#endif
+{
+ register char *stop;
+ u_long tval = 0;
+
+ stop = str + len;
+
+ /*
+ * skip over leading blanks and zeros
+ */
+ while ((str < stop) && ((*str == ' ') || (*str == '0')))
+ ++str;
+
+ /*
+ * for each valid digit, shift running value (tval) over to next digit
+ * and add next digit
+ */
+ if (base == HEX) {
+ while (str < stop) {
+ if ((*str >= '0') && (*str <= '9'))
+ tval = (tval << 4) + (*str++ - '0');
+ else if ((*str >= 'A') && (*str <= 'F'))
+ tval = (tval << 4) + 10 + (*str++ - 'A');
+ else if ((*str >= 'a') && (*str <= 'f'))
+ tval = (tval << 4) + 10 + (*str++ - 'a');
+ else
+ break;
+ }
+ } else {
+ while ((str < stop) && (*str >= '0') && (*str <= '7'))
+ tval = (tval << 3) + (*str++ - '0');
+ }
+ return(tval);
+}
+
+/*
+ * ul_asc()
+ * convert an unsigned long into an hex/oct ascii string. pads with LEADING
+ * ascii 0's to fill string completely
+ * NOTE: the string created is NOT TERMINATED.
+ */
+
+#if __STDC__
+int
+ul_asc(u_long val, register char *str, register int len, register int base)
+#else
+int
+ul_asc(val, str, len, base)
+ u_long val;
+ register char *str;
+ register int len;
+ register int base;
+#endif
+{
+ register char *pt;
+ u_long digit;
+
+ /*
+ * WARNING str is not '\0' terminated by this routine
+ */
+ pt = str + len - 1;
+
+ /*
+ * do a tailwise conversion (start at right most end of string to place
+ * least significant digit). Keep shifting until conversion value goes
+ * to zero (all digits were converted)
+ */
+ if (base == HEX) {
+ while (pt >= str) {
+ if ((digit = (val & 0xf)) < 10)
+ *pt-- = '0' + (char)digit;
+ else
+ *pt-- = 'a' + (char)(digit - 10);
+ if ((val = (val >> 4)) == (u_long)0)
+ break;
+ }
+ } else {
+ while (pt >= str) {
+ *pt-- = '0' + (char)(val & 0x7);
+ if ((val = (val >> 3)) == (u_long)0)
+ break;
+ }
+ }
+
+ /*
+ * pad with leading ascii ZEROS. We return -1 if we ran out of space.
+ */
+ while (pt >= str)
+ *pt-- = '0';
+ if (val != (u_long)0)
+ return(-1);
+ return(0);
+}
+
+#ifndef NET2_STAT
+/*
+ * asc_uqd()
+ * convert hex/octal character string into a u_quad_t. We do not have to
+ * check for overflow! (the headers in all supported formats are not large
+ * enough to create an overflow).
+ * NOTE: strings passed to us are NOT TERMINATED.
+ * Return:
+ * u_quad_t value
+ */
+
+#if __STDC__
+u_quad_t
+asc_uqd(register char *str, int len, register int base)
+#else
+u_quad_t
+asc_uqd(str, len, base)
+ register char *str;
+ int len;
+ register int base;
+#endif
+{
+ register char *stop;
+ u_quad_t tval = 0;
+
+ stop = str + len;
+
+ /*
+ * skip over leading blanks and zeros
+ */
+ while ((str < stop) && ((*str == ' ') || (*str == '0')))
+ ++str;
+
+ /*
+ * for each valid digit, shift running value (tval) over to next digit
+ * and add next digit
+ */
+ if (base == HEX) {
+ while (str < stop) {
+ if ((*str >= '0') && (*str <= '9'))
+ tval = (tval << 4) + (*str++ - '0');
+ else if ((*str >= 'A') && (*str <= 'F'))
+ tval = (tval << 4) + 10 + (*str++ - 'A');
+ else if ((*str >= 'a') && (*str <= 'f'))
+ tval = (tval << 4) + 10 + (*str++ - 'a');
+ else
+ break;
+ }
+ } else {
+ while ((str < stop) && (*str >= '0') && (*str <= '7'))
+ tval = (tval << 3) + (*str++ - '0');
+ }
+ return(tval);
+}
+
+/*
+ * uqd_asc()
+ * convert an u_quad_t into a hex/oct ascii string. pads with LEADING
+ * ascii 0's to fill string completely
+ * NOTE: the string created is NOT TERMINATED.
+ */
+
+#if __STDC__
+int
+uqd_asc(u_quad_t val, register char *str, register int len, register int base)
+#else
+int
+uqd_asc(val, str, len, base)
+ u_quad_t val;
+ register char *str;
+ register int len;
+ register int base;
+#endif
+{
+ register char *pt;
+ u_quad_t digit;
+
+ /*
+ * WARNING str is not '\0' terminated by this routine
+ */
+ pt = str + len - 1;
+
+ /*
+ * do a tailwise conversion (start at right most end of string to place
+ * least significant digit). Keep shifting until conversion value goes
+ * to zero (all digits were converted)
+ */
+ if (base == HEX) {
+ while (pt >= str) {
+ if ((digit = (val & 0xf)) < 10)
+ *pt-- = '0' + (char)digit;
+ else
+ *pt-- = 'a' + (char)(digit - 10);
+ if ((val = (val >> 4)) == (u_quad_t)0)
+ break;
+ }
+ } else {
+ while (pt >= str) {
+ *pt-- = '0' + (char)(val & 0x7);
+ if ((val = (val >> 3)) == (u_quad_t)0)
+ break;
+ }
+ }
+
+ /*
+ * pad with leading ascii ZEROS. We return -1 if we ran out of space.
+ */
+ while (pt >= str)
+ *pt-- = '0';
+ if (val != (u_quad_t)0)
+ return(-1);
+ return(0);
+}
+#endif
OpenPOWER on IntegriCloud