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d201fe46e3
adding (weak definitions to) stubs for some of the pthread functions. If the threads library is linked in, the real pthread functions will pulled in. Use the following convention for system calls wrapped by the threads library: __sys_foo - actual system call _foo - weak definition to __sys_foo foo - weak definition to __sys_foo Change all libc uses of system calls wrapped by the threads library from foo to _foo. In order to define the prototypes for _foo(), we introduce namespace.h and un-namespace.h (suggested by bde). All files that need to reference these system calls, should include namespace.h before any standard includes, then include un-namespace.h after the standard includes and before any local includes. <db.h> is an exception and shouldn't be included in between namespace.h and un-namespace.h namespace.h will define foo to _foo, and un-namespace.h will undefine foo. Try to eliminate some of the recursive calls to MT-safe functions in libc/stdio in preparation for adding a mutex to FILE. We have recursive mutexes, but would like to avoid using them if possible. Remove uneeded includes of <errno.h> from a few files. Add $FreeBSD$ to a few files in order to pass commitprep. Approved by: -arch
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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** This file is in the public domain, so clarified as of
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** June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov).
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*
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* $FreeBSD$
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*/
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)asctime.c 7.7";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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/*LINTLIBRARY*/
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#include "namespace.h"
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#include "private.h"
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#include "un-namespace.h"
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#include "tzfile.h"
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/*
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** A la X3J11, with core dump avoidance.
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*/
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char *
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asctime(timeptr)
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const struct tm * timeptr;
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{
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static char result[3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) +
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3 + 2 + 1 + 1];
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return(asctime_r(timeptr, result));
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}
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char *
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asctime_r(timeptr, result)
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const struct tm * timeptr;
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char *result;
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{
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static const char wday_name[][3] = {
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"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
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};
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static const char mon_name[][3] = {
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"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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};
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/*
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** Big enough for something such as
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** ??? ???-2147483648 -2147483648:-2147483648:-2147483648 -2147483648\n
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** (two three-character abbreviations, five strings denoting integers,
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** three explicit spaces, two explicit colons, a newline,
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** and a trailing ASCII nul).
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*/
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register const char * wn;
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register const char * mn;
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if (timeptr->tm_wday < 0 || timeptr->tm_wday >= DAYSPERWEEK)
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wn = "???";
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else wn = wday_name[timeptr->tm_wday];
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if (timeptr->tm_mon < 0 || timeptr->tm_mon >= MONSPERYEAR)
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mn = "???";
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else mn = mon_name[timeptr->tm_mon];
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/*
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** The X3J11-suggested format is
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** "%.3s %.3s%3d %02.2d:%02.2d:%02.2d %d\n"
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** Since the .2 in 02.2d is ignored, we drop it.
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*/
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(void) sprintf(result, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
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wn, mn,
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timeptr->tm_mday, timeptr->tm_hour,
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timeptr->tm_min, timeptr->tm_sec,
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TM_YEAR_BASE + timeptr->tm_year);
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return result;
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}
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