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Diffstat (limited to '')
| -rw-r--r-- | common/gettime.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/common/gettime.c b/common/gettime.c deleted file mode 100644 index a7914d348..000000000 --- a/common/gettime.c +++ /dev/null @@ -1,250 +0,0 @@ -/* gettime.c - Wrapper for time functions - * Copyright (C) 1998, 2002 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG 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 of the License, or - * (at your option) any later version. - * - * GnuPG 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 - */ - -#include <config.h> -#include <stdlib.h> -#include <time.h> -#ifdef HAVE_LANGINFO_H -#include <langinfo.h> -#endif - -#include "util.h" - -static unsigned long timewarp; -static enum { NORMAL = 0, FROZEN, FUTURE, PAST } timemode; - -/* Wrapper for the time(3). We use this here so we can fake the time - for tests */ -time_t -gnupg_get_time () -{ - time_t current = time (NULL); - if (timemode == NORMAL) - return current; - else if (timemode == FROZEN) - return timewarp; - else if (timemode == FUTURE) - return current + timewarp; - else - return current - timewarp; -} - -/* set the time to NEWTIME so that gnupg_get_time returns a time - starting with this one. With FREEZE set to 1 the returned time - will never change. Just for completeness, a value of (time_t)-1 - for NEWTIME gets you back to rality. Note that this is obviously - not thread-safe but this is not required. */ -void -gnupg_set_time (time_t newtime, int freeze) -{ - time_t current = time (NULL); - - if ( newtime == (time_t)-1 || current == newtime) - { - timemode = NORMAL; - timewarp = 0; - } - else if (freeze) - { - timemode = FROZEN; - timewarp = current; - } - else if (newtime > current) - { - timemode = FUTURE; - timewarp = newtime - current; - } - else - { - timemode = PAST; - timewarp = current - newtime; - } -} - -/* Returns true when we are in timewarp mode */ -int -gnupg_faked_time_p (void) -{ - return timemode; -} - - -/* This function is used by gpg because OpenPGP defines the timestamp - as an unsigned 32 bit value. */ -u32 -make_timestamp (void) -{ - time_t t = gnupg_get_time (); - - if (t == (time_t)-1) - log_fatal ("gnupg_get_time() failed\n"); - return (u32)t; -} - - - -/**************** - * Scan a date string and return a timestamp. - * The only supported format is "yyyy-mm-dd" - * Returns 0 for an invalid date. - */ -u32 -scan_isodatestr( const char *string ) -{ - int year, month, day; - struct tm tmbuf; - time_t stamp; - int i; - - if( strlen(string) != 10 || string[4] != '-' || string[7] != '-' ) - return 0; - for( i=0; i < 4; i++ ) - if( !digitp (string+i) ) - return 0; - if( !digitp (string+5) || !digitp(string+6) ) - return 0; - if( !digitp(string+8) || !digitp(string+9) ) - return 0; - year = atoi(string); - month = atoi(string+5); - day = atoi(string+8); - /* some basic checks */ - if( year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 ) - return 0; - memset( &tmbuf, 0, sizeof tmbuf ); - tmbuf.tm_mday = day; - tmbuf.tm_mon = month-1; - tmbuf.tm_year = year - 1900; - tmbuf.tm_isdst = -1; - stamp = mktime( &tmbuf ); - if( stamp == (time_t)-1 ) - return 0; - return stamp; -} - - -u32 -add_days_to_timestamp( u32 stamp, u16 days ) -{ - return stamp + days*86400L; -} - - -/**************** - * Return a string with a time value in the form: x Y, n D, n H - */ - -const char * -strtimevalue( u32 value ) -{ - static char buffer[30]; - unsigned int years, days, hours, minutes; - - value /= 60; - minutes = value % 60; - value /= 60; - hours = value % 24; - value /= 24; - days = value % 365; - value /= 365; - years = value; - - sprintf(buffer,"%uy%ud%uh%um", years, days, hours, minutes ); - if( years ) - return buffer; - if( days ) - return strchr( buffer, 'y' ) + 1; - return strchr( buffer, 'd' ) + 1; -} - - -/**************** - * Note: this function returns GMT - */ -const char * -strtimestamp( u32 stamp ) -{ - static char buffer[11+5]; - struct tm *tp; - time_t atime = stamp; - - if (atime < 0) { - strcpy (buffer, "????" "-??" "-??"); - } - else { - tp = gmtime( &atime ); - sprintf(buffer,"%04d-%02d-%02d", - 1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday ); - } - return buffer; -} - -/**************** - * Note: this function returns local time - */ -const char * -asctimestamp( u32 stamp ) -{ - static char buffer[50]; -#if defined (HAVE_STRFTIME) && defined (HAVE_NL_LANGINFO) - static char fmt[50]; -#endif - struct tm *tp; - time_t atime = stamp; - - if (atime < 0) { - strcpy (buffer, "????" "-??" "-??"); - return buffer; - } - - tp = localtime( &atime ); -#ifdef HAVE_STRFTIME -#if defined(HAVE_NL_LANGINFO) - mem2str( fmt, nl_langinfo(D_T_FMT), DIM(fmt)-3 ); - if( strstr( fmt, "%Z" ) == NULL ) - strcat( fmt, " %Z"); - strftime( buffer, DIM(buffer)-1, fmt, tp ); -#else - /* fixme: we should check whether the locale appends a " %Z" - * These locales from glibc don't put the " %Z": - * fi_FI hr_HR ja_JP lt_LT lv_LV POSIX ru_RU ru_SU sv_FI sv_SE zh_CN - */ - strftime( buffer, DIM(buffer)-1, "%c %Z", tp ); -#endif - buffer[DIM(buffer)-1] = 0; -#else - mem2str( buffer, asctime(tp), DIM(buffer) ); -#endif - return buffer; -} - - - - - - - - - - - - - - |