author | Mikael Berthe <mikael@lilotux.net> |
Thu, 04 Aug 2005 23:04:54 +0100 | |
changeset 393 | f8f3c7493457 |
parent 378 | 2e6c7b1440d1 |
child 419 | 2f9852610cf4 |
permissions | -rw-r--r-- |
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/* |
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* utils.c -- Various utility functions |
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* |
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* Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> |
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* ut_* functions are derived from Cabber debug/log code. |
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* from_iso8601() comes from the Gaim project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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||
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdarg.h> |
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#include <time.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <config.h> |
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#include "logprint.h" |
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static int DebugEnabled; |
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static char *FName; |
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void ut_InitDebug(unsigned int level, const char *filename) |
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{ |
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FILE *fp; |
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if (level < 1) { |
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DebugEnabled = 0; |
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FName = NULL; |
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return; |
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} |
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if (filename) |
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FName = strdup(filename); |
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else { |
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FName = getenv("HOME"); |
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if (!FName) |
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FName = "/tmp/mcabberlog"; |
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else { |
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char *tmpname = malloc(strlen(FName) + 12); |
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strcpy(tmpname, FName); |
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strcat(tmpname, "/mcabberlog"); |
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FName = tmpname; |
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} |
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} |
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DebugEnabled = level; |
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fp = fopen(FName, "a"); |
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if (!fp) { |
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fprintf(stderr, "ERROR: Cannot open tracelog file\n"); |
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return; |
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} |
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fprintf(fp, "New trace log started.\n" |
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"----------------------\n"); |
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fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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fclose(fp); |
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} |
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void ut_WriteLog(unsigned int flag, const char *data) |
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{ |
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if (!DebugEnabled || !FName) return; |
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if (((DebugEnabled == 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
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((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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FILE *fp = fopen(FName, "a+"); |
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if (!fp) { |
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scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); |
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return; |
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} |
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fputs(data, fp); |
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fclose(fp); |
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} |
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} |
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// checkset_perm(name, setmode) |
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// Check the permissions of the "name" file/dir |
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// If setmode is true, correct the permissions if they are wrong |
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// Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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int checkset_perm(const char *name, unsigned int setmode) |
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{ |
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int fd; |
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struct stat buf; |
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fd = lstat(name, &buf); |
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if (fd == -1) return -1; |
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if (buf.st_uid != geteuid()) { |
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scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
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return 1; |
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} |
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if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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if (setmode) { |
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mode_t newmode = 0; |
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scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
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if (S_ISDIR(buf.st_mode)) |
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newmode |= S_IXUSR; |
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newmode |= S_IRUSR | S_IWUSR; |
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if (chmod(name, newmode)) { |
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scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
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return 1; |
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} |
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scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
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} else { |
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scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
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return 1; |
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} |
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} |
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return 0; |
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} |
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// to_iso8601(dststr, timestamp) |
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// Convert timestamp to iso8601 format, and store it in dststr. |
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// NOTE: dststr should be at last 19 chars long. |
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// Return should be 0 |
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int to_iso8601(char *dststr, time_t timestamp) |
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{ |
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struct tm *tm_time; |
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int ret; |
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tm_time = gmtime(×tamp); |
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ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", |
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1900+tm_time->tm_year, tm_time->tm_mon+1, tm_time->tm_mday, |
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tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
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return ((ret == -1) ? -1 : 0); |
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} |
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// from_iso8601(timestamp, utc) |
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// This function comes from the Gaim project, gaim_str_to_time(). |
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// (Actually date may not be pure iso-8601) |
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// Thanks, guys! |
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time_t from_iso8601(const char *timestamp, int utc) |
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{ |
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struct tm t; |
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time_t retval = 0; |
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char buf[32]; |
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char *c; |
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int tzoff = 0; |
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161 |
time(&retval); |
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localtime_r(&retval, &t); |
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snprintf(buf, sizeof(buf), "%s", timestamp); |
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c = buf; |
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/* 4 digit year */ |
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if (!sscanf(c, "%04d", &t.tm_year)) return 0; |
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c+=4; |
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if (*c == '-') |
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c++; |
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t.tm_year -= 1900; |
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/* 2 digit month */ |
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if (!sscanf(c, "%02d", &t.tm_mon)) return 0; |
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c+=2; |
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if (*c == '-') |
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c++; |
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t.tm_mon -= 1; |
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/* 2 digit day */ |
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if (!sscanf(c, "%02d", &t.tm_mday)) return 0; |
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c+=2; |
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if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ |
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c++; /* skip the "T" */ |
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/* 2 digit hour */ |
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if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3 || |
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sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) { |
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int tzhrs, tzmins; |
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c+=8; |
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if (*c == '.') /* dealing with precision we don't care about */ |
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c += 4; |
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if ((*c == '+' || *c == '-') && |
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sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { |
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199 |
tzoff = tzhrs*60*60 + tzmins*60; |
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if (*c == '+') |
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tzoff *= -1; |
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202 |
} |
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203 |
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if (tzoff || utc) { |
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205 |
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206 |
//#ifdef HAVE_TM_GMTOFF |
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tzoff += t.tm_gmtoff; |
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//#else |
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//# ifdef HAVE_TIMEZONE |
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// tzset(); /* making sure */ |
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// tzoff -= timezone; |
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//# endif |
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//#endif |
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214 |
} |
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} |
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} |
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t.tm_isdst = -1; |
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retval = mktime(&t); |
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retval += tzoff; |
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return retval; |
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} |