mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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253 lines
6.9 KiB
C++
253 lines
6.9 KiB
C++
/*
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* utils.cpp
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* Copyright (C) 2010-2018 Belledonne Communications SARL
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <algorithm>
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#include <cstdlib>
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#include <list>
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#include <sstream>
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#include <bctoolbox/port.h>
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#include <bctoolbox/charconv.h>
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#include "linphone/utils/utils.h"
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#include "logger/logger.h"
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#include "private.h"
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// =============================================================================
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using namespace std;
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LINPHONE_BEGIN_NAMESPACE
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// -----------------------------------------------------------------------------
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bool Utils::iequals (const string &a, const string &b) {
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size_t size = a.size();
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if (b.size() != size)
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return false;
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for (size_t i = 0; i < size; ++i) {
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if (tolower(a[i]) != tolower(b[i]))
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return false;
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}
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return true;
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}
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// -----------------------------------------------------------------------------
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vector<string> Utils::split (const string &str, const string &delimiter) {
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vector<string> out;
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size_t pos = 0, oldPos = 0;
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for (; (pos = str.find(delimiter, pos)) != string::npos; oldPos = pos + 1, pos = oldPos)
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out.push_back(str.substr(oldPos, pos - oldPos));
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out.push_back(str.substr(oldPos));
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return out;
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}
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// -----------------------------------------------------------------------------
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#ifndef __ANDROID__
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#define TO_STRING_IMPL(TYPE) \
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string Utils::toString (TYPE val) { \
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return to_string(val); \
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}
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#else
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#define TO_STRING_IMPL(TYPE) \
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string Utils::toString (TYPE val) { \
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ostringstream os; \
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os << val; \
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return os.str(); \
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}
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#endif // ifndef __ANDROID__
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TO_STRING_IMPL(int)
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TO_STRING_IMPL(long)
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TO_STRING_IMPL(long long)
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TO_STRING_IMPL(unsigned)
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TO_STRING_IMPL(unsigned long)
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TO_STRING_IMPL(unsigned long long)
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TO_STRING_IMPL(float)
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TO_STRING_IMPL(double)
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TO_STRING_IMPL(long double)
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#undef TO_STRING_IMPL
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string Utils::toString (const void *val) {
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ostringstream ss;
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ss << val;
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return ss.str();
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}
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// -----------------------------------------------------------------------------
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#define STRING_TO_NUMBER_IMPL(TYPE, SUFFIX) \
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TYPE Utils::sto ## SUFFIX (const string &str, size_t *idx, int base) { \
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return sto ## SUFFIX(str.c_str(), idx, base); \
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} \
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TYPE Utils::sto ## SUFFIX (const char *str, size_t *idx, int base) { \
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char *p; \
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TYPE v = strto ## SUFFIX(str, &p, base); \
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if (idx) \
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*idx = static_cast<size_t>(p - str); \
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return v; \
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} \
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#define STRING_TO_NUMBER_IMPL_BASE_LESS(TYPE, SUFFIX) \
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TYPE Utils::sto ## SUFFIX(const string &str, size_t * idx) { \
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return sto ## SUFFIX(str.c_str(), idx); \
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} \
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TYPE Utils::sto ## SUFFIX(const char *str, size_t * idx) { \
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char *p; \
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TYPE v = strto ## SUFFIX(str, &p); \
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if (idx) \
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*idx = static_cast<size_t>(p - str); \
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return v; \
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} \
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#define strtoi(STR, IDX, BASE) static_cast<int>(strtol(STR, IDX, BASE))
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STRING_TO_NUMBER_IMPL(int, i)
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#undef strtoi
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STRING_TO_NUMBER_IMPL(long long, ll)
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STRING_TO_NUMBER_IMPL(unsigned long long, ull)
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STRING_TO_NUMBER_IMPL_BASE_LESS(double, d)
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STRING_TO_NUMBER_IMPL_BASE_LESS(float, f)
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#undef STRING_TO_NUMBER_IMPL
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#undef STRING_TO_NUMBER_IMPL_BASE_LESS
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bool Utils::stob (const string &str) {
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const string lowerStr = stringToLower(str);
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return !lowerStr.empty() && (lowerStr == "true" || lowerStr == "1");
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}
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// -----------------------------------------------------------------------------
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string Utils::stringToLower (const string &str) {
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string result(str.size(), ' ');
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transform(str.cbegin(), str.cend(), result.begin(), ::tolower);
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return result;
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}
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// -----------------------------------------------------------------------------
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char *Utils::utf8ToChar (uint32_t ic) {
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char *result = new char[5];
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int size = 0;
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if (ic < 0x80) {
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result[0] = static_cast<char>(ic);
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size = 1;
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} else if (ic < 0x800) {
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result[1] = static_cast<char>(0x80 + ((ic & 0x3F)));
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result[0] = static_cast<char>(0xC0 + ((ic >> 6) & 0x1F));
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size = 2;
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} else if (ic < 0x100000) {
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result[2] = static_cast<char>(0x80 + (ic & 0x3F));
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result[1] = static_cast<char>(0x80 + ((ic >> 6) & 0x3F));
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result[0] = static_cast<char>(0xE0 + ((ic >> 12) & 0xF));
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size = 3;
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} else if (ic < 0x110000) {
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result[3] = static_cast<char>(0x80 + (ic & 0x3F));
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result[2] = static_cast<char>(0x80 + ((ic >> 6) & 0x3F));
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result[1] = static_cast<char>(0x80 + ((ic >> 12) & 0x3F));
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result[0] = static_cast<char>(0xF0 + ((ic >> 18) & 0x7));
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size = 4;
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}
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result[size] = '\0';
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return result;
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}
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string Utils::trim (const string &str) {
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auto itFront = find_if_not(str.begin(), str.end(), [] (int c) { return isspace(c); });
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auto itBack = find_if_not(str.rbegin(), str.rend(), [] (int c) { return isspace(c); }).base();
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return (itBack <= itFront ? string() : string(itFront, itBack));
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}
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// -----------------------------------------------------------------------------
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tm Utils::getTimeTAsTm (time_t time) {
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#ifdef _WIN32
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return *gmtime(&time);
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#else
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tm result;
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return *gmtime_r(&time, &result);
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#endif
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}
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time_t Utils::getTmAsTimeT (const tm &time) {
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time_t result;
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#if defined(LINPHONE_WINDOWS_UNIVERSAL) || defined(LINPHONE_MSC_VER_GREATER_19)
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long adjust_timezone;
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#else
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time_t adjust_timezone;
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#endif
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#if TARGET_IPHONE_SIMULATOR
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result = timegm(&const_cast<tm &>(time));
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adjust_timezone = 0;
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#else
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result = mktime(&const_cast<tm &>(time));
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#if defined(LINPHONE_WINDOWS_UNIVERSAL) || defined(LINPHONE_MSC_VER_GREATER_19)
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_get_timezone(&adjust_timezone);
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#else
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adjust_timezone = timezone;
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#endif
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#endif
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if (result == (time_t)-1) {
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lError() << "mktime failed: " << strerror(errno);
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return (time_t)-1;
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}
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return result - (time_t)adjust_timezone;
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}
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// -----------------------------------------------------------------------------
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// TODO: Improve perf!!! Avoid c <--> cpp string conversions.
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string Utils::localeToUtf8 (const string &str) {
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char *cStr = bctbx_locale_to_utf8(str.c_str());
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string utf8Str = cStringToCppString(cStr);
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bctbx_free(cStr);
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return utf8Str;
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}
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string Utils::utf8ToLocale (const string &str) {
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char *cStr = bctbx_utf8_to_locale(str.c_str());
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string localeStr = cStringToCppString(cStr);
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bctbx_free(cStr);
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return localeStr;
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}
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string Utils::convertString (const string &str, const string &from, const string &to) {
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char *cStr = bctbx_convert_from_to(str.c_str(), from.c_str(), to.c_str());
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string convertedStr = cStringToCppString(cStr);
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bctbx_free(cStr);
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return convertedStr;
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}
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LINPHONE_END_NAMESPACE
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