Fix build -- gawk now builds
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8088 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Niels Sascha Reedijk
@@ -0,0 +1,482 @@
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|
||||
16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
|
||||
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
|
||||
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
|
||||
FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
|
||||
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
|
||||
LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
|
||||
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
|
||||
FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
|
||||
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
||||
DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
Appendix: How to Apply These Terms to Your New Libraries
|
||||
|
||||
If you develop a new library, and you want it to be of the greatest
|
||||
possible use to the public, we recommend making it free software that
|
||||
everyone can redistribute and change. You can do so by permitting
|
||||
redistribution under these terms (or, alternatively, under the terms of the
|
||||
ordinary General Public License).
|
||||
|
||||
To apply these terms, attach the following notices to the library. It is
|
||||
safest to attach them to the start of each source file to most effectively
|
||||
convey the exclusion of warranty; and each file should have at least the
|
||||
"copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the library's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 of the License, or (at your option) any later version.
|
||||
|
||||
This library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
||||
MA 02111-1307, USA
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the library, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the
|
||||
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1990
|
||||
Ty Coon, President of Vice
|
||||
|
||||
That's all there is to it!
|
||||
@@ -0,0 +1,40 @@
|
||||
Mon Jul 7 11:01:43 2003 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.1.3: Release tar file made.
|
||||
|
||||
Wed Mar 19 14:10:31 2003 Arnold D. Robbins <[email protected]>
|
||||
|
||||
This time for sure.
|
||||
-- Bullwinkle
|
||||
|
||||
* Release 3.1.2: Release tar file made.
|
||||
|
||||
Mon Feb 3 20:37:09 2003 Pat Rankin <[email protected]>
|
||||
|
||||
* strftime.c: Restore use of TIME_T_IN_SYS_TYPES_H to control
|
||||
inclusion of <sys/types.h>.
|
||||
(TYPE_SIGNED): Add workaround to avoid diagnostic from Compaq C V6.4.
|
||||
(my_strftime) [case 's']: Likewise; exclude negative number handling
|
||||
if TIME_T_UNSIGNED is defined.
|
||||
|
||||
Mon Jan 27 12:09:50 2003 Stepan Kasal <[email protected]>
|
||||
|
||||
* strtod.c (gawk_strtod): Cleanup, changing the logic
|
||||
so that ptr is correct. Fixes the bug that 0e0 is not
|
||||
recognized as numeric.
|
||||
|
||||
Wed May 1 16:41:32 2002 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.1.1: Release tar file made.
|
||||
|
||||
Tue Dec 4 17:56:46 2001 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* strftime.c: Replaced with glibc version.
|
||||
* strftime.3: Removed
|
||||
|
||||
Fri Aug 3 09:01:19 2001 Arnold D. Robbins <[email protected]>
|
||||
|
||||
ChangeLog created.
|
||||
|
||||
* strtod.c (strtod): Fixed test at end for failure to
|
||||
be a little smarter.
|
||||
@@ -0,0 +1,18 @@
|
||||
/*
|
||||
* memcmp --- compare strings.
|
||||
*
|
||||
* We use our own routine since it has to act like strcmp() for return
|
||||
* value, and the BSD manual says bcmp() only returns zero/non-zero.
|
||||
*/
|
||||
|
||||
int
|
||||
memcmp (s1, s2, l)
|
||||
register char *s1, *s2;
|
||||
register int l;
|
||||
{
|
||||
for (; l-- > 0; s1++, s2++) {
|
||||
if (*s1 != *s2)
|
||||
return (*s1 - *s2);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
@@ -0,0 +1,18 @@
|
||||
/*
|
||||
* memcpy --- copy strings.
|
||||
*
|
||||
* We supply this routine for those systems that aren't standard yet.
|
||||
*/
|
||||
|
||||
char *
|
||||
memcpy (dest, src, l)
|
||||
register char *dest, *src;
|
||||
register int l;
|
||||
{
|
||||
register char *ret = dest;
|
||||
|
||||
while (l--)
|
||||
*dest++ = *src++;
|
||||
|
||||
return ret;
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/*
|
||||
* memset --- initialize memory
|
||||
*
|
||||
* We supply this routine for those systems that aren't standard yet.
|
||||
*/
|
||||
|
||||
void *
|
||||
memset(dest, val, l)
|
||||
void *dest;
|
||||
register int val;
|
||||
register size_t l;
|
||||
{
|
||||
register char *ret = dest;
|
||||
register char *d = dest;
|
||||
|
||||
while (l--)
|
||||
*d++ = val;
|
||||
|
||||
return ((void *) ret);
|
||||
}
|
||||
@@ -0,0 +1,425 @@
|
||||
/* Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Paul Eggert ([email protected]).
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Define this to have a standalone program to test this implementation of
|
||||
mktime. */
|
||||
/* #define DEBUG 1 */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif
|
||||
|
||||
#ifdef _LIBC
|
||||
# define HAVE_LIMITS_H 1
|
||||
# define HAVE_LOCALTIME_R 1
|
||||
# define STDC_HEADERS 1
|
||||
#endif
|
||||
|
||||
/* Assume that leap seconds are possible, unless told otherwise.
|
||||
If the host has a `zic' command with a `-L leapsecondfilename' option,
|
||||
then it supports leap seconds; otherwise it probably doesn't. */
|
||||
#ifndef LEAP_SECONDS_POSSIBLE
|
||||
#define LEAP_SECONDS_POSSIBLE 1
|
||||
#endif
|
||||
|
||||
#ifndef VMS
|
||||
#include <sys/types.h> /* Some systems define `time_t' here. */
|
||||
#else
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
#include <time.h>
|
||||
|
||||
#if HAVE_LIMITS_H
|
||||
#include <limits.h>
|
||||
#endif
|
||||
|
||||
#if DEBUG
|
||||
#include <stdio.h>
|
||||
#if STDC_HEADERS
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
/* Make it work even if the system's libc has its own mktime routine. */
|
||||
#define mktime my_mktime
|
||||
#endif /* DEBUG */
|
||||
|
||||
#ifndef __P
|
||||
#if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
|
||||
#define __P(args) args
|
||||
#else
|
||||
#define __P(args) ()
|
||||
#endif /* GCC. */
|
||||
#endif /* Not __P. */
|
||||
|
||||
#ifndef CHAR_BIT
|
||||
#define CHAR_BIT 8
|
||||
#endif
|
||||
|
||||
#ifndef INT_MIN
|
||||
#define INT_MIN (~0 << (sizeof (int) * CHAR_BIT - 1))
|
||||
#endif
|
||||
#ifndef INT_MAX
|
||||
#define INT_MAX (~0 - INT_MIN)
|
||||
#endif
|
||||
|
||||
#ifndef TIME_T_MIN
|
||||
#define TIME_T_MIN (0 < (time_t) -1 ? (time_t) 0 \
|
||||
: ~ (time_t) 0 << (sizeof (time_t) * CHAR_BIT - 1))
|
||||
#endif
|
||||
#ifndef TIME_T_MAX
|
||||
#define TIME_T_MAX (~ (time_t) 0 - TIME_T_MIN)
|
||||
#endif
|
||||
|
||||
#define TM_YEAR_BASE 1900
|
||||
#define EPOCH_YEAR 1970
|
||||
|
||||
#ifndef __isleap
|
||||
/* Nonzero if YEAR is a leap year (every 4 years,
|
||||
except every 100th isn't, and every 400th is). */
|
||||
#define __isleap(year) \
|
||||
((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
|
||||
#endif
|
||||
|
||||
/* How many days come before each month (0-12). */
|
||||
const unsigned short int __mon_yday[2][13] =
|
||||
{
|
||||
/* Normal years. */
|
||||
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
|
||||
/* Leap years. */
|
||||
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
|
||||
};
|
||||
|
||||
static time_t ydhms_tm_diff __P ((int, int, int, int, int, const struct tm *));
|
||||
time_t __mktime_internal __P ((struct tm *,
|
||||
struct tm *(*) (const time_t *, struct tm *),
|
||||
time_t *));
|
||||
|
||||
|
||||
static struct tm *my_localtime_r __P ((const time_t *, struct tm *));
|
||||
static struct tm *
|
||||
my_localtime_r (t, tp)
|
||||
const time_t *t;
|
||||
struct tm *tp;
|
||||
{
|
||||
struct tm *l = localtime (t);
|
||||
if (! l)
|
||||
return 0;
|
||||
*tp = *l;
|
||||
return tp;
|
||||
}
|
||||
|
||||
|
||||
/* Yield the difference between (YEAR-YDAY HOUR:MIN:SEC) and (*TP),
|
||||
measured in seconds, ignoring leap seconds.
|
||||
YEAR uses the same numbering as TM->tm_year.
|
||||
All values are in range, except possibly YEAR.
|
||||
If overflow occurs, yield the low order bits of the correct answer. */
|
||||
static time_t
|
||||
ydhms_tm_diff (year, yday, hour, min, sec, tp)
|
||||
int year, yday, hour, min, sec;
|
||||
const struct tm *tp;
|
||||
{
|
||||
/* Compute intervening leap days correctly even if year is negative.
|
||||
Take care to avoid int overflow. time_t overflow is OK, since
|
||||
only the low order bits of the correct time_t answer are needed.
|
||||
Don't convert to time_t until after all divisions are done, since
|
||||
time_t might be unsigned. */
|
||||
int a4 = (year >> 2) + (TM_YEAR_BASE >> 2) - ! (year & 3);
|
||||
int b4 = (tp->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (tp->tm_year & 3);
|
||||
int a100 = a4 / 25 - (a4 % 25 < 0);
|
||||
int b100 = b4 / 25 - (b4 % 25 < 0);
|
||||
int a400 = a100 >> 2;
|
||||
int b400 = b100 >> 2;
|
||||
int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
|
||||
time_t years = year - (time_t) tp->tm_year;
|
||||
time_t days = (365 * years + intervening_leap_days
|
||||
+ (yday - tp->tm_yday));
|
||||
return (60 * (60 * (24 * days + (hour - tp->tm_hour))
|
||||
+ (min - tp->tm_min))
|
||||
+ (sec - tp->tm_sec));
|
||||
}
|
||||
|
||||
|
||||
static time_t localtime_offset;
|
||||
|
||||
/* Convert *TP to a time_t value. */
|
||||
time_t
|
||||
mktime (tp)
|
||||
struct tm *tp;
|
||||
{
|
||||
#ifdef _LIBC
|
||||
/* POSIX.1 8.1.1 requires that whenever mktime() is called, the
|
||||
time zone names contained in the external variable `tzname' shall
|
||||
be set as if the tzset() function had been called. */
|
||||
__tzset ();
|
||||
#endif
|
||||
|
||||
return __mktime_internal (tp, my_localtime_r, &localtime_offset);
|
||||
}
|
||||
|
||||
/* Convert *TP to a time_t value, inverting
|
||||
the monotonic and mostly-unit-linear conversion function CONVERT.
|
||||
Use *OFFSET to keep track of a guess at the offset of the result,
|
||||
compared to what the result would be for UTC without leap seconds.
|
||||
If *OFFSET's guess is correct, only one CONVERT call is needed. */
|
||||
time_t
|
||||
__mktime_internal (tp, convert, offset)
|
||||
struct tm *tp;
|
||||
struct tm *(*convert) __P ((const time_t *, struct tm *));
|
||||
time_t *offset;
|
||||
{
|
||||
time_t t, dt, t0;
|
||||
struct tm tm;
|
||||
|
||||
/* The maximum number of probes (calls to CONVERT) should be enough
|
||||
to handle any combinations of time zone rule changes, solar time,
|
||||
and leap seconds. Posix.1 prohibits leap seconds, but some hosts
|
||||
have them anyway. */
|
||||
int remaining_probes = 4;
|
||||
|
||||
/* Time requested. Copy it in case CONVERT modifies *TP; this can
|
||||
occur if TP is localtime's returned value and CONVERT is localtime. */
|
||||
int sec = tp->tm_sec;
|
||||
int min = tp->tm_min;
|
||||
int hour = tp->tm_hour;
|
||||
int mday = tp->tm_mday;
|
||||
int mon = tp->tm_mon;
|
||||
int year_requested = tp->tm_year;
|
||||
int isdst = tp->tm_isdst;
|
||||
|
||||
/* Ensure that mon is in range, and set year accordingly. */
|
||||
int mon_remainder = mon % 12;
|
||||
int negative_mon_remainder = mon_remainder < 0;
|
||||
int mon_years = mon / 12 - negative_mon_remainder;
|
||||
int year = year_requested + mon_years;
|
||||
|
||||
/* The other values need not be in range:
|
||||
the remaining code handles minor overflows correctly,
|
||||
assuming int and time_t arithmetic wraps around.
|
||||
Major overflows are caught at the end. */
|
||||
|
||||
/* Calculate day of year from year, month, and day of month.
|
||||
The result need not be in range. */
|
||||
int yday = ((__mon_yday[__isleap (year + TM_YEAR_BASE)]
|
||||
[mon_remainder + 12 * negative_mon_remainder])
|
||||
+ mday - 1);
|
||||
|
||||
#if LEAP_SECONDS_POSSIBLE
|
||||
/* Handle out-of-range seconds specially,
|
||||
since ydhms_tm_diff assumes every minute has 60 seconds. */
|
||||
int sec_requested = sec;
|
||||
if (sec < 0)
|
||||
sec = 0;
|
||||
if (59 < sec)
|
||||
sec = 59;
|
||||
#endif
|
||||
|
||||
/* Invert CONVERT by probing. First assume the same offset as last time.
|
||||
Then repeatedly use the error to improve the guess. */
|
||||
|
||||
tm.tm_year = EPOCH_YEAR - TM_YEAR_BASE;
|
||||
tm.tm_yday = tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
|
||||
t0 = ydhms_tm_diff (year, yday, hour, min, sec, &tm);
|
||||
|
||||
for (t = t0 + *offset;
|
||||
(dt = ydhms_tm_diff (year, yday, hour, min, sec, (*convert) (&t, &tm)));
|
||||
t += dt)
|
||||
if (--remaining_probes == 0)
|
||||
return -1;
|
||||
|
||||
/* Check whether tm.tm_isdst has the requested value, if any. */
|
||||
if (0 <= isdst && 0 <= tm.tm_isdst)
|
||||
{
|
||||
int dst_diff = (isdst != 0) - (tm.tm_isdst != 0);
|
||||
if (dst_diff)
|
||||
{
|
||||
/* Move two hours in the direction indicated by the disagreement,
|
||||
probe some more, and switch to a new time if found.
|
||||
The largest known fallback due to daylight savings is two hours:
|
||||
once, in Newfoundland, 1988-10-30 02:00 -> 00:00. */
|
||||
time_t ot = t - 2 * 60 * 60 * dst_diff;
|
||||
while (--remaining_probes != 0)
|
||||
{
|
||||
struct tm otm;
|
||||
if (! (dt = ydhms_tm_diff (year, yday, hour, min, sec,
|
||||
(*convert) (&ot, &otm))))
|
||||
{
|
||||
t = ot;
|
||||
tm = otm;
|
||||
break;
|
||||
}
|
||||
if ((ot += dt) == t)
|
||||
break; /* Avoid a redundant probe. */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*offset = t - t0;
|
||||
|
||||
#if LEAP_SECONDS_POSSIBLE
|
||||
if (sec_requested != tm.tm_sec)
|
||||
{
|
||||
/* Adjust time to reflect the tm_sec requested, not the normalized value.
|
||||
Also, repair any damage from a false match due to a leap second. */
|
||||
t += sec_requested - sec + (sec == 0 && tm.tm_sec == 60);
|
||||
(*convert) (&t, &tm);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (TIME_T_MAX / INT_MAX / 366 / 24 / 60 / 60 < 3)
|
||||
{
|
||||
/* time_t isn't large enough to rule out overflows in ydhms_tm_diff,
|
||||
so check for major overflows. A gross check suffices,
|
||||
since if t has overflowed, it is off by a multiple of
|
||||
TIME_T_MAX - TIME_T_MIN + 1. So ignore any component of
|
||||
the difference that is bounded by a small value. */
|
||||
|
||||
double dyear = (double) year_requested + mon_years - tm.tm_year;
|
||||
double dday = 366 * dyear + mday;
|
||||
double dsec = 60 * (60 * (24 * dday + hour) + min) + sec_requested;
|
||||
|
||||
if (TIME_T_MAX / 3 - TIME_T_MIN / 3 < (dsec < 0 ? - dsec : dsec))
|
||||
return -1;
|
||||
}
|
||||
|
||||
*tp = tm;
|
||||
return t;
|
||||
}
|
||||
|
||||
#ifdef weak_alias
|
||||
weak_alias (mktime, timelocal)
|
||||
#endif
|
||||
|
||||
#if DEBUG
|
||||
|
||||
static int
|
||||
not_equal_tm (a, b)
|
||||
struct tm *a;
|
||||
struct tm *b;
|
||||
{
|
||||
return ((a->tm_sec ^ b->tm_sec)
|
||||
| (a->tm_min ^ b->tm_min)
|
||||
| (a->tm_hour ^ b->tm_hour)
|
||||
| (a->tm_mday ^ b->tm_mday)
|
||||
| (a->tm_mon ^ b->tm_mon)
|
||||
| (a->tm_year ^ b->tm_year)
|
||||
| (a->tm_mday ^ b->tm_mday)
|
||||
| (a->tm_yday ^ b->tm_yday)
|
||||
| (a->tm_isdst ^ b->tm_isdst));
|
||||
}
|
||||
|
||||
static void
|
||||
print_tm (tp)
|
||||
struct tm *tp;
|
||||
{
|
||||
printf ("%04d-%02d-%02d %02d:%02d:%02d yday %03d wday %d isdst %d",
|
||||
tp->tm_year + TM_YEAR_BASE, tp->tm_mon + 1, tp->tm_mday,
|
||||
tp->tm_hour, tp->tm_min, tp->tm_sec,
|
||||
tp->tm_yday, tp->tm_wday, tp->tm_isdst);
|
||||
}
|
||||
|
||||
static int
|
||||
check_result (tk, tmk, tl, tml)
|
||||
time_t tk;
|
||||
struct tm tmk;
|
||||
time_t tl;
|
||||
struct tm tml;
|
||||
{
|
||||
if (tk != tl || not_equal_tm (&tmk, &tml))
|
||||
{
|
||||
printf ("mktime (");
|
||||
print_tm (&tmk);
|
||||
printf (")\nyields (");
|
||||
print_tm (&tml);
|
||||
printf (") == %ld, should be %ld\n", (long) tl, (long) tk);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
main (argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
int status = 0;
|
||||
struct tm tm, tmk, tml;
|
||||
time_t tk, tl;
|
||||
char trailer;
|
||||
|
||||
if ((argc == 3 || argc == 4)
|
||||
&& (sscanf (argv[1], "%d-%d-%d%c",
|
||||
&tm.tm_year, &tm.tm_mon, &tm.tm_mday, &trailer)
|
||||
== 3)
|
||||
&& (sscanf (argv[2], "%d:%d:%d%c",
|
||||
&tm.tm_hour, &tm.tm_min, &tm.tm_sec, &trailer)
|
||||
== 3))
|
||||
{
|
||||
tm.tm_year -= TM_YEAR_BASE;
|
||||
tm.tm_mon--;
|
||||
tm.tm_isdst = argc == 3 ? -1 : atoi (argv[3]);
|
||||
tmk = tm;
|
||||
tl = mktime (&tmk);
|
||||
tml = *localtime (&tl);
|
||||
printf ("mktime returns %ld == ", (long) tl);
|
||||
print_tm (&tmk);
|
||||
printf ("\n");
|
||||
status = check_result (tl, tmk, tl, tml);
|
||||
}
|
||||
else if (argc == 4 || (argc == 5 && strcmp (argv[4], "-") == 0))
|
||||
{
|
||||
time_t from = atol (argv[1]);
|
||||
time_t by = atol (argv[2]);
|
||||
time_t to = atol (argv[3]);
|
||||
|
||||
if (argc == 4)
|
||||
for (tl = from; tl <= to; tl += by)
|
||||
{
|
||||
tml = *localtime (&tl);
|
||||
tmk = tml;
|
||||
tk = mktime (&tmk);
|
||||
status |= check_result (tk, tmk, tl, tml);
|
||||
}
|
||||
else
|
||||
for (tl = from; tl <= to; tl += by)
|
||||
{
|
||||
/* Null benchmark. */
|
||||
tml = *localtime (&tl);
|
||||
tmk = tml;
|
||||
tk = tl;
|
||||
status |= check_result (tk, tmk, tl, tml);
|
||||
}
|
||||
}
|
||||
else
|
||||
printf ("Usage:\
|
||||
\t%s YYYY-MM-DD HH:MM:SS [ISDST] # Test given time.\n\
|
||||
\t%s FROM BY TO # Test values FROM, FROM+BY, ..., TO.\n\
|
||||
\t%s FROM BY TO - # Do not test those values (for benchmark).\n",
|
||||
argv[0], argv[0], argv[0]);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
#endif /* DEBUG */
|
||||
|
||||
/*
|
||||
Local Variables:
|
||||
compile-command: "gcc -DDEBUG=1 -Wall -O -g mktime.c -o mktime"
|
||||
End:
|
||||
*/
|
||||
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* strchr --- search a string for a character
|
||||
*
|
||||
* We supply this routine for those systems that aren't standard yet.
|
||||
*/
|
||||
|
||||
#if 0
|
||||
#include <stdio.h>
|
||||
#endif
|
||||
|
||||
char *
|
||||
strchr(str, c)
|
||||
register const char *str, c;
|
||||
{
|
||||
if (c == '\0') {
|
||||
/* thanks to Mike Brennan ... */
|
||||
do {
|
||||
if (*str == c)
|
||||
return (char *) str;
|
||||
} while (*str++);
|
||||
} else {
|
||||
for (; *str; str++)
|
||||
if (*str == c)
|
||||
return (char *) str;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* strrchr --- find the last occurrence of a character in a string
|
||||
*
|
||||
* We supply this routine for those systems that aren't standard yet.
|
||||
*/
|
||||
|
||||
char *
|
||||
strrchr(str, c)
|
||||
register const char *str, c;
|
||||
{
|
||||
register const char *save = NULL;
|
||||
|
||||
for (; *str; str++)
|
||||
if (*str == c)
|
||||
save = str;
|
||||
|
||||
return (char *) save;
|
||||
}
|
||||
@@ -0,0 +1,37 @@
|
||||
/* strerror.c --- ANSI C compatible system error routine
|
||||
|
||||
Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software Foundation,
|
||||
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#if 0
|
||||
#include <stdio.h>
|
||||
#endif
|
||||
|
||||
extern int sys_nerr;
|
||||
extern char *sys_errlist[];
|
||||
|
||||
char *
|
||||
strerror(n)
|
||||
int n;
|
||||
{
|
||||
static char mesg[30];
|
||||
|
||||
if (n < 0 || n >= sys_nerr) {
|
||||
sprintf(mesg, "Unknown error (%d)", n);
|
||||
return mesg;
|
||||
} else
|
||||
return sys_errlist[n];
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,102 @@
|
||||
/*
|
||||
* Copyright (c) 1987 Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms are permitted
|
||||
* provided that the above copyright notice and this paragraph are
|
||||
* duplicated in all such forms and that any documentation,
|
||||
* advertising materials, and other materials related to such
|
||||
* distribution and use acknowledge that the software was developed
|
||||
* by the University of California, Berkeley. The name of the
|
||||
* University may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char sccsid[] = "@(#)strcasecmp.c 5.6 (Berkeley) 6/27/88";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#ifdef atarist
|
||||
#include <sys/types.h>
|
||||
#else
|
||||
#define u_char unsigned char
|
||||
#endif
|
||||
|
||||
/* This rather ugly macro is for VMS C */
|
||||
#ifdef C
|
||||
#undef C
|
||||
#endif
|
||||
#define C(c) ((u_char)c)
|
||||
/*
|
||||
* This array is designed for mapping upper and lower case letter
|
||||
* together for a case independent comparison. The mappings are
|
||||
* based upon ascii character sequences.
|
||||
*/
|
||||
static u_char charmap[] = {
|
||||
'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
|
||||
'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
|
||||
'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
|
||||
'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
|
||||
'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
|
||||
'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
|
||||
'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
|
||||
'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
|
||||
'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
|
||||
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
|
||||
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
|
||||
'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
|
||||
'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
|
||||
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
|
||||
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
|
||||
'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
|
||||
C('\200'), C('\201'), C('\202'), C('\203'), C('\204'), C('\205'), C('\206'), C('\207'),
|
||||
C('\210'), C('\211'), C('\212'), C('\213'), C('\214'), C('\215'), C('\216'), C('\217'),
|
||||
C('\220'), C('\221'), C('\222'), C('\223'), C('\224'), C('\225'), C('\226'), C('\227'),
|
||||
C('\230'), C('\231'), C('\232'), C('\233'), C('\234'), C('\235'), C('\236'), C('\237'),
|
||||
C('\240'), C('\241'), C('\242'), C('\243'), C('\244'), C('\245'), C('\246'), C('\247'),
|
||||
C('\250'), C('\251'), C('\252'), C('\253'), C('\254'), C('\255'), C('\256'), C('\257'),
|
||||
C('\260'), C('\261'), C('\262'), C('\263'), C('\264'), C('\265'), C('\266'), C('\267'),
|
||||
C('\270'), C('\271'), C('\272'), C('\273'), C('\274'), C('\275'), C('\276'), C('\277'),
|
||||
C('\340'), C('\341'), C('\342'), C('\343'), C('\344'), C('\345'), C('\346'), C('\347'),
|
||||
C('\350'), C('\351'), C('\352'), C('\353'), C('\354'), C('\355'), C('\356'), C('\357'),
|
||||
C('\360'), C('\361'), C('\362'), C('\363'), C('\364'), C('\365'), C('\366'), C('\327'),
|
||||
C('\370'), C('\371'), C('\372'), C('\373'), C('\374'), C('\375'), C('\376'), C('\337'),
|
||||
C('\340'), C('\341'), C('\342'), C('\343'), C('\344'), C('\345'), C('\346'), C('\347'),
|
||||
C('\350'), C('\351'), C('\352'), C('\353'), C('\354'), C('\355'), C('\356'), C('\357'),
|
||||
C('\360'), C('\361'), C('\362'), C('\363'), C('\364'), C('\365'), C('\366'), C('\367'),
|
||||
C('\370'), C('\371'), C('\372'), C('\373'), C('\374'), C('\375'), C('\376'), C('\377'),
|
||||
};
|
||||
|
||||
#undef C
|
||||
|
||||
int
|
||||
strcasecmp(s1, s2)
|
||||
const char *s1, *s2;
|
||||
{
|
||||
register u_char *cm = charmap,
|
||||
*us1 = (u_char *)s1,
|
||||
*us2 = (u_char *)s2;
|
||||
|
||||
while (cm[*us1] == cm[*us2++])
|
||||
if (*us1++ == '\0')
|
||||
return(0);
|
||||
return(cm[*us1] - cm[*--us2]);
|
||||
}
|
||||
|
||||
int
|
||||
strncasecmp(s1, s2, n)
|
||||
const char *s1, *s2;
|
||||
register size_t n;
|
||||
{
|
||||
register u_char *cm = charmap,
|
||||
*us1 = (u_char *)s1,
|
||||
*us2 = (u_char *)s2;
|
||||
|
||||
while ((long)(--n) >= 0 && cm[*us1] == cm[*us2++])
|
||||
if (*us1++ == '\0')
|
||||
return(0);
|
||||
return((long)n < 0 ? 0 : cm[*us1] - cm[*--us2]);
|
||||
}
|
||||
@@ -0,0 +1,124 @@
|
||||
/*
|
||||
* gawk wrapper for strtod
|
||||
*/
|
||||
/*
|
||||
* Stupid version of System V strtod(3) library routine.
|
||||
* Does no overflow/underflow checking.
|
||||
*
|
||||
* A real number is defined to be
|
||||
* optional leading white space
|
||||
* optional sign
|
||||
* string of digits with optional decimal point
|
||||
* optional 'e' or 'E'
|
||||
* followed by optional sign or space
|
||||
* followed by an integer
|
||||
*
|
||||
* if ptr is not NULL a pointer to the character terminating the
|
||||
* scan is returned in *ptr. If no number formed, *ptr is set to str
|
||||
* and 0 is returned.
|
||||
*
|
||||
* For speed, we don't do the conversion ourselves. Instead, we find
|
||||
* the end of the number and then call atof() to do the dirty work.
|
||||
* This bought us a 10% speedup on a sample program at uunet.uu.net.
|
||||
*
|
||||
* Fall 2000: Changed to enforce C89 semantics, so that 0x... returns 0.
|
||||
* C99 has hexadecimal floating point numbers.
|
||||
*
|
||||
* Summer 2001. Try to make it smarter, so that a string like "0000"
|
||||
* doesn't look like we failed. Sigh.
|
||||
*
|
||||
* Xmass 2002. Fix a bug in ptr determination, eg. for "0e0".
|
||||
*/
|
||||
|
||||
#if 0
|
||||
#include <ctype.h>
|
||||
#endif
|
||||
|
||||
extern double atof();
|
||||
|
||||
double
|
||||
gawk_strtod(s, ptr)
|
||||
register const char *s;
|
||||
register const char **ptr;
|
||||
{
|
||||
const char *start = s; /* save original start of string */
|
||||
const char *begin = NULL; /* where the number really begins */
|
||||
int dig = 0;
|
||||
int dig0 = 0;
|
||||
|
||||
/* optional white space */
|
||||
while (isspace(*s))
|
||||
s++;
|
||||
|
||||
begin = s;
|
||||
|
||||
/* optional sign */
|
||||
if (*s == '+' || *s == '-')
|
||||
s++;
|
||||
|
||||
/* string of digits with optional decimal point */
|
||||
while (*s == '0') {
|
||||
s++;
|
||||
dig0++;
|
||||
}
|
||||
while (isdigit(*s)) {
|
||||
s++;
|
||||
dig++;
|
||||
}
|
||||
|
||||
if (*s == '.') {
|
||||
s++;
|
||||
while (*s == '0') {
|
||||
s++;
|
||||
dig0++;
|
||||
}
|
||||
while (isdigit(*s)) {
|
||||
s++;
|
||||
dig++;
|
||||
}
|
||||
}
|
||||
|
||||
dig0 += dig; /* any digit has appeared */
|
||||
|
||||
/*
|
||||
* optional 'e' or 'E'
|
||||
* if a digit (or at least zero) was seen
|
||||
* followed by optional sign
|
||||
* followed by an integer
|
||||
*/
|
||||
if (dig0
|
||||
&& (*s == 'e' || *s == 'E')
|
||||
&& (isdigit(s[1])
|
||||
|| ((s[1] == '-' || s[1] == '+') && isdigit(s[2])))) {
|
||||
s++;
|
||||
if (*s == '+' || *s == '-')
|
||||
s++;
|
||||
while (isdigit(*s))
|
||||
s++;
|
||||
}
|
||||
|
||||
/* In case we haven't found a number, set ptr to start. */
|
||||
if (ptr)
|
||||
*ptr = (dig0 ? s : start);
|
||||
|
||||
/* Go for it. */
|
||||
return (dig ? atof(begin) : 0.0);
|
||||
}
|
||||
|
||||
#ifdef TEST
|
||||
int
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
double d;
|
||||
char *p;
|
||||
|
||||
for (argc--, argv++; argc; argc--, argv++) {
|
||||
d = strtod (*argv, & p);
|
||||
printf ("%lf [%s]\n", d, p);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,27 @@
|
||||
/* system.c --- replacement system() for systems missing one
|
||||
|
||||
Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software Foundation,
|
||||
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
extern void fatal();
|
||||
|
||||
int
|
||||
system(s)
|
||||
char *s;
|
||||
{
|
||||
fatal("system() not supported on this system");
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
/*
|
||||
* tzset.c
|
||||
*
|
||||
* Quick and dirty emulation of tzset(), tzname[], and daylight
|
||||
* for old BSD systems without it.
|
||||
*
|
||||
* Thanks to Rick Adams, rick@uunet.uu.net, for the basics.
|
||||
*
|
||||
* BUGS:
|
||||
* Totally ignores the value of the TZ environment variable.
|
||||
*/
|
||||
|
||||
#if 0
|
||||
#include <time.h>
|
||||
#endif
|
||||
#include <sys/time.h>
|
||||
|
||||
static char tz1[1024];
|
||||
static char tz2[1024];
|
||||
|
||||
/* external variables */
|
||||
char *tzname[2] = {
|
||||
tz1, tz2
|
||||
};
|
||||
int daylight;
|
||||
|
||||
extern char *timezone();
|
||||
|
||||
void
|
||||
tzset()
|
||||
{
|
||||
struct timeval tp;
|
||||
struct timezone tz;
|
||||
|
||||
(void) gettimeofday(&tp, &tz);
|
||||
(void) strcpy(tz1, timezone(tz.tz_minuteswest, 0));
|
||||
(void) strcpy(tz2, timezone(tz.tz_minuteswest, 1));
|
||||
daylight = tz.tz_dsttime;
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
Mon Jul 7 11:01:43 2003 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.1.3: Release tar file made.
|
||||
|
||||
Sun May 25 16:23:43 2003 Corinna Vinschen <[email protected]>
|
||||
|
||||
* gawkmisc.c (cygwin_premain0): New function.
|
||||
|
||||
Wed Mar 19 14:10:31 2003 Arnold D. Robbins <[email protected]>
|
||||
|
||||
This time for sure.
|
||||
-- Bullwinkle
|
||||
|
||||
* Release 3.1.2: Release tar file made.
|
||||
|
||||
Tue Feb 4 14:28:06 2003 Arnold D. Robbins <[email protected]>
|
||||
|
||||
All relevant files: Copyright year updated to 2003.
|
||||
|
||||
Tue Dec 17 11:05:11 2002 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c (optimal_bufsize): Stat the file first, so that
|
||||
stb is always valid for higher level code.
|
||||
|
||||
Thu Nov 28 10:20:05 2002 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c (optimal_bufsize): Enhance to use AWKBUFSIZE
|
||||
environment variable for debugging.
|
||||
|
||||
Tue Jun 11 22:18:42 2002 Stepan Kasal <[email protected]>
|
||||
|
||||
* gawkmisc.c (DEFBLKSIZE): Add check for st_blksize > 0,
|
||||
fixes weird bug on some versions of HP-UX.
|
||||
|
||||
Wed May 1 16:41:32 2002 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.1.1: Release tar file made.
|
||||
|
||||
Tue Sep 25 15:19:53 2001 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c (os_close_on_exec): If fd <= 2, return.
|
||||
|
||||
Sun Jun 3 13:04:44 2001 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.1.0: Release tar file made. And there was
|
||||
rejoicing.
|
||||
|
||||
Sun Jan 28 15:50:02 2001 Eli Zaretskii <[email protected]>
|
||||
|
||||
* gawkmisc.c (os_restore_mode): New function.
|
||||
|
||||
Sun Dec 3 16:53:37 2000 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c (os_setbinmode): New function.
|
||||
|
||||
Tue Nov 14 16:13:08 2000 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c: Remove all includes. Done by ../gawkmisc.c.
|
||||
|
||||
Tue Nov 7 14:09:14 2000 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* gawkmisc.c (os_is_setuid): new function.
|
||||
|
||||
Mon Aug 7 15:23:00 2000 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.6: Release tar file made.
|
||||
|
||||
Sun Jun 25 15:08:19 2000 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.5: Release tar file made.
|
||||
|
||||
Wed Jun 30 16:14:36 1999 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.4: Release tar file made. This time for sure.
|
||||
|
||||
Wed Jul 30 19:53:52 1997 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Close-on-exec changes:
|
||||
gawkmisc.c: (os_close_on_exec, os_isdir): new functions.
|
||||
|
||||
Thu May 15 12:49:08 1997 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.3: Release tar file made.
|
||||
|
||||
Fri Apr 18 07:55:47 1997 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* BETA Release 3.0.34: Release tar file made.
|
||||
|
||||
Wed Dec 25 11:25:22 1996 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.2: Release tar file made.
|
||||
|
||||
Tue Dec 10 23:09:26 1996 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* Release 3.0.1: Release tar file made.
|
||||
|
||||
Wed Jan 10 22:58:55 1996 Arnold D. Robbins <[email protected]>
|
||||
|
||||
* ChangeLog created.
|
||||
@@ -0,0 +1,238 @@
|
||||
/* gawkmisc.c --- miscellaneous gawk routines that are OS specific.
|
||||
|
||||
Copyright (C) 1986, 1988, 1989, 1991 - 1998, 2001 - 2003 the Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software Foundation,
|
||||
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
char quote = '\'';
|
||||
char *defpath = DEFPATH;
|
||||
char envsep = ':';
|
||||
|
||||
#ifndef INVALID_HANDLE
|
||||
/* FIXME: is this value for INVALID_HANDLE correct? */
|
||||
#define INVALID_HANDLE -1
|
||||
#endif
|
||||
|
||||
/* gawk_name --- pull out the "gawk" part from how the OS called us */
|
||||
|
||||
char *
|
||||
gawk_name(filespec)
|
||||
const char *filespec;
|
||||
{
|
||||
char *p;
|
||||
|
||||
/* "path/name" -> "name" */
|
||||
p = strrchr(filespec, '/');
|
||||
return (p == NULL ? (char *) filespec : p + 1);
|
||||
}
|
||||
|
||||
/* os_arg_fixup --- fixup the command line */
|
||||
|
||||
void
|
||||
os_arg_fixup(argcp, argvp)
|
||||
int *argcp;
|
||||
char ***argvp;
|
||||
{
|
||||
/* no-op */
|
||||
return;
|
||||
}
|
||||
|
||||
/* os_devopen --- open special per-OS devices */
|
||||
|
||||
int
|
||||
os_devopen(name, flag)
|
||||
const char *name;
|
||||
int flag;
|
||||
{
|
||||
/* no-op */
|
||||
return INVALID_HANDLE;
|
||||
}
|
||||
|
||||
/* optimal_bufsize --- determine optimal buffer size */
|
||||
|
||||
/*
|
||||
* Enhance this for debugging purposes, as follows:
|
||||
*
|
||||
* Always stat the file, stat buffer is used by higher-level code.
|
||||
*
|
||||
* if (AWKBUFSIZE == "exact")
|
||||
* return the file size
|
||||
* else if (AWKBUFSIZE == a number)
|
||||
* always return that number
|
||||
* else
|
||||
* if the size is < default_blocksize
|
||||
* return the size
|
||||
* else
|
||||
* return default_blocksize
|
||||
* end if
|
||||
* endif
|
||||
*
|
||||
* Hair comes in an effort to only deal with AWKBUFSIZE
|
||||
* once, the first time this routine is called, instead of
|
||||
* every time. Performance, dontyaknow.
|
||||
*/
|
||||
|
||||
size_t
|
||||
optimal_bufsize(fd, stb)
|
||||
int fd;
|
||||
struct stat *stb;
|
||||
{
|
||||
char *val;
|
||||
static size_t env_val = 0;
|
||||
static short first = TRUE;
|
||||
static short exact = FALSE;
|
||||
|
||||
/* force all members to zero in case OS doesn't use all of them. */
|
||||
memset(stb, '\0', sizeof(struct stat));
|
||||
|
||||
/* always stat, in case stb is used by higher level code. */
|
||||
if (fstat(fd, stb) == -1)
|
||||
fatal("can't stat fd %d (%s)", fd, strerror(errno));
|
||||
|
||||
if (first) {
|
||||
first = FALSE;
|
||||
|
||||
if ((val = getenv("AWKBUFSIZE")) != NULL) {
|
||||
if (strcmp(val, "exact") == 0)
|
||||
exact = TRUE;
|
||||
else if (ISDIGIT(*val)) {
|
||||
for (; *val && ISDIGIT(*val); val++)
|
||||
env_val = (env_val * 10) + *val - '0';
|
||||
|
||||
return env_val;
|
||||
}
|
||||
}
|
||||
} else if (! exact && env_val > 0)
|
||||
return env_val;
|
||||
/* else
|
||||
fall through */
|
||||
|
||||
/*
|
||||
* System V.n, n < 4, doesn't have the file system block size in the
|
||||
* stat structure. So we have to make some sort of reasonable
|
||||
* guess. We use stdio's BUFSIZ, since that is what it was
|
||||
* meant for in the first place.
|
||||
*/
|
||||
#ifdef HAVE_ST_BLKSIZE
|
||||
#define DEFBLKSIZE (stb->st_blksize > 0 ? stb->st_blksize : BUFSIZ)
|
||||
#else
|
||||
#define DEFBLKSIZE BUFSIZ
|
||||
#endif
|
||||
|
||||
if (S_ISREG(stb->st_mode) /* regular file */
|
||||
&& 0 < stb->st_size /* non-zero size */
|
||||
&& (stb->st_size < DEFBLKSIZE /* small file */
|
||||
|| exact)) /* or debugging */
|
||||
return stb->st_size; /* use file size */
|
||||
|
||||
return DEFBLKSIZE;
|
||||
}
|
||||
|
||||
/* ispath --- return true if path has directory components */
|
||||
|
||||
int
|
||||
ispath(file)
|
||||
const char *file;
|
||||
{
|
||||
return (strchr(file, '/') != NULL);
|
||||
}
|
||||
|
||||
/* isdirpunct --- return true if char is a directory separator */
|
||||
|
||||
int
|
||||
isdirpunct(c)
|
||||
int c;
|
||||
{
|
||||
return (c == '/');
|
||||
}
|
||||
|
||||
/* os_close_on_exec --- set close on exec flag, print warning if fails */
|
||||
|
||||
void
|
||||
os_close_on_exec(fd, name, what, dir)
|
||||
int fd;
|
||||
const char *name, *what, *dir;
|
||||
{
|
||||
if (fd <= 2) /* sanity */
|
||||
return;
|
||||
|
||||
if (fcntl(fd, F_SETFD, 1) < 0)
|
||||
warning(_("%s %s `%s': could not set close-on-exec: (fcntl: %s)"),
|
||||
what, dir, name, strerror(errno));
|
||||
}
|
||||
|
||||
/* os_isdir --- is this an fd on a directory? */
|
||||
|
||||
#if ! defined(S_ISDIR) && defined(S_IFDIR)
|
||||
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
|
||||
#endif
|
||||
|
||||
int
|
||||
os_isdir(fd)
|
||||
int fd;
|
||||
{
|
||||
struct stat sbuf;
|
||||
|
||||
return (fstat(fd, &sbuf) == 0 && S_ISDIR(sbuf.st_mode));
|
||||
}
|
||||
|
||||
/* os_is_setuid --- true if running setuid root */
|
||||
|
||||
int
|
||||
os_is_setuid()
|
||||
{
|
||||
long uid, euid;
|
||||
|
||||
uid = getuid();
|
||||
euid = geteuid();
|
||||
|
||||
return (euid == 0 && euid != uid);
|
||||
}
|
||||
|
||||
/* os_setbinmode --- set binary mode on file */
|
||||
|
||||
int
|
||||
os_setbinmode (fd, mode)
|
||||
int fd, mode;
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* os_restore_mode --- restore the original mode of the console device */
|
||||
|
||||
void
|
||||
os_restore_mode (fd)
|
||||
int fd;
|
||||
{
|
||||
/* no-op */
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
#include <sys/cygwin.h>
|
||||
|
||||
extern int _fmode;
|
||||
void
|
||||
cygwin_premain0 (int argc, char **argv, struct per_process *myself)
|
||||
{
|
||||
static struct __cygwin_perfile pf[] =
|
||||
{
|
||||
{"", O_RDONLY | O_TEXT},
|
||||
/*{"", O_WRONLY | O_BINARY},*/
|
||||
{NULL, 0}
|
||||
};
|
||||
cygwin_internal (CW_PERFILE, pf);
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user