雖然這篇Localtime_r鄉民發文沒有被收入到精華區：在Localtime_r這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]Localtime_r是什麼？優點缺點精華區懶人包
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#1localtime_r ()-轉換時間(可重新啟動) - IBM
它與 localtime() 相同，不同之處在於它會傳入位置來儲存所傳回的結構result。 回覆值. localtime_r() 會傳回結構結果的指標。 沒有錯誤回覆值。 範例.
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#2localtime、localtime_s、localtime_r的使用_大大大白的博客
（2）localtime_r也是用来获取系统时间，运行于linux平台下. 函数原型为struct tm *localtime_r(const time_t *timep, struct tm *result);.
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#3localtime_r(3) - Linux man page - Die.net
The localtime_r() function does the same, but stores the data in a user-supplied struct. It need not set tzname, timezone, and daylight. The asctime() function ...
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#4localtime、localtime_s、localtime_r的使用- 今天的小马同学
原因：localtime()返回id指针会指向一个静态变量的地址，所以你不管调几次都是返回该指针指向的区域，不会变的。 解决方式：使用localtime_r()函数。
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#5localtime, localtime_r, localtime_s - cppreference.com
1) Converts given time since epoch (a time_t value pointed to by timer ) into calendar time, expressed in local time, in the struct tm format.
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#6localtime_r 函数在时区上的线程不安全性 - Linvon
在Linux C/C++ 中，localtime、localtime_r 是常用的将时间戳转向时间结构体的方法. 我们都知道localtime 是不可重入的，也就是非线程安全的。
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#7localtime, localtime_r, localtime_s - C++中文- API参考文档
localtime, localtime_r, localtime_s · 1) 转换给定的纪元起的时间（ timer 所指向的time_t 值）为以 struct tm 格式表达为本地时间的日历时间。 · 2) 同(1) ，除了函数对 ...
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#8localtime
The localtime_r() function shall convert the time in seconds since the Epoch pointed to by timer into a broken-down time stored in the structure to which ...
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#9localtime_r - man pages section 3: Basic Library Functions
The localtime() function corrects for the main time zone and possible alternate (“daylight savings”) time zone; the gmtime() function converts ...
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#10localtime_r - OSCHINA - 中文开源技术交流社区
localtime_r 则是由调用者在第二个参数传入一个struct tm *result指针，该函数会把结果填充到这个传入的指针所指内存里面；成功的返回值指针也就是struct tm *result。
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#11- localtime_r()
The localtime_r() function converts the calendar time pointed to by timer into local time, storing the information in the struct tm that result points to.
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#12localtime_r() -- convert time in seconds since Epoch to local ...
The localtime_r() function converts a time in seconds since the Epoch (00:00:00 UTC, January 1, 1970) into a broken-down time, expressed as a local time.
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#13musl/src/time/localtime_r.c at master - GitHub
#include "time_impl.h" #include <errno.h> #include "libc.h" struct tm *__localtime_r(const time_t *restrict t, struct tm *restrict tm) { /* Reject time_t ...
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#14Mac OS X Manual Page For localtime_r(3) - Apple Developer
CTIME(3) BSD Library Functions Manual CTIME(3) NAME asctime, asctime_r, ctime, ctime_r, difftime, gmtime, gmtime_r, localtime, localtime_r, mktime, ...
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#15localtime_r returns null for large number - Stack Overflow
is there any way to convert large value of seconds into struct tm. Even with 64-bit time_t , 9223372036854775807 certainly out of range of ...
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#16localtime 和localtime_r_的技术博客
localtime 和localtime_r，---恢复内容开始---上程序：[c-sharp]viewplaincopyprint?#include#include#include#includeusingnamespacestd ...
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#17localtime, localtime_r - convert a time value to a broken-down ...
The localtime_r() function shall convert the time in seconds since the Epoch pointed to by timer into a broken-down time stored in the structure to which result ...
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#18localtime_r函数 - 稀土掘金
localtime_r 函数是一个可重入的时间处理函数，用于将一个time_t类型的时间值转换为本地时间，并以struct tm结构体的形式返回。在多线程或异步编程中，localtime_r函数 ...
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#19gmtime、gmtime_r、localtime、localtime_r使用小结 - 知乎专栏
struct tm *localtime_r(const time_t *timep, struct tm *result); // 线程安全. 由于time_t这个类型精确到秒，所以以上四个函数得到的时间精度为秒。
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#20"Fossies" - the Fresh Open Source Software Archive
"Fossies" - the Fresh Open Source Software Archive. Member "gstreamer-1.22.2/libs/gst/check/libcheck/libcompat/localtime_r.c" (11 Apr 2023, ...
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#21localtime_r - RAD Studio - Embarcadero DocWiki
Converts date and time to a structure. localtime_r accepts the address of a value returned by time and returns a pointer to the structure of type tm containing ...
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#22为什么设置不同的时区，localtime_r的性能如此不同？ - 七牛云
在我们的应用程序中，有一个线程经常调用localtime_r。我们发现当系统（Redhat 6,）将时区从美国/纽约改为亚洲/上海时，该线程的性能下降了20%。经过分析 ...
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#23localtime_r.c - searchcode
/lib/libc/localtime_r.c ... #include "localtime_r.h"; #if HAVE_PTHREAD_MUTEX_INIT ... New mingw pthread package seems to define localtime_r as a macro ...
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#24Re: [Wireshark-dev] localtime_r() in gtk/timeshift_dlg.c
Gisle Vanem <gisle.vanem@...> writes: > > This: > #ifdef _MSC_VER > #define localtime_r(a, b) memcpy((b), localtime((a)), sizeof(struct ...
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#25localtime_r (GNU Gnulib)
10.559 localtime_r. POSIX specification: https://pubs.opengroup.org/onlinepubs/9699919799/functions/localtime_r.html. Gnulib module: time_r.
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#26SIGSEGV for localtime_r call - Linux - Software
#3 0x0050f92e in localtime_r () from /lib/tls/libc.so.6 #4 0x0805069c in ITime::now () at itime.hpp:33 #5 0x080505f5 in ITime (this=0xbfffbe90) at ...
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#27asp3_tinet_ecnl_rx - trunk - musl-1.1.18 - src - time
5, struct tm *__localtime_r(const time_t *restrict t, struct tm *restrict tm). 6, {. 7, /* Reject time_t values whose year would overflow int because.
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#28libc::localtime_r - Embedded Rust documentation
Function libc::localtime_r [−] [src]. pub unsafe extern "C" fn localtime_r( time_p: *const time_t, result: *mut tm ) -> *mut tm. Help ...
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#2919193: solaris9 compile errors related to localtime_r / gmtime_r
Bug #19193, solaris9 compile errors related to localtime_r / gmtime_r. Submitted: 19 Apr 2006 11:08, Modified: 1 Jul 2006 11:00.
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#30localtime和localtime_r - 阿里云开发者社区
多线程应用里面，应该用localtime_r函数替代localtime函数，因为localtime_r是线程安全的。 struct tm *localtime(const time_t *clock);. struct tm* localtime_r( const ...
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#31localtime_r - Rowley Associates
Synopsis. localtime_r(const time_t *tp, tm *result);. Description. localtime_r converts the *tp time format to a struct tm local ...
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#32rl_localtime - Rust - Docs.rs
This is a fork of a C localtime_r implementation with minimal changes required to make calling it in parallel to setting env from Rust sound.
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#33localtime_r(3)
CTIME(3) Library Functions Manual CTIME(3) NAME asctime, asctime_r, ctime, ctime_r, ctime_rz, difftime, gmtime, gmtime_r, localtime, localtime_r, ...
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#34Arduino-RTC: src/Hardware/AVR/localtime_r.cpp File Reference
Function Documentation. struct tm* localtime_r, (, const time_t *, timer,. struct tm *, timeptr. ) ...
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#35Why does localtime() call tzset() but localtime_r() not? - MM
Why does localtime() call tzset() but localtime_r() not? Jonathan Leffler jonathan.leffler at gmail.com. Fri Jan 11 06:44:10 UTC 2008.
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#36gmtime_r、localtime、localtime_r之間的【差異】及其【特點】
struct tm *localtime_r(const time_t *timep, struct tm *result);. man手冊中對它們的解釋如下：. The gmtime() function converts the calendar ...
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#37localtime.c source code [glibc/time/localtime.c] - Codebrowser
38, __localtime_r (const time_t *t, struct tm *tp). 39, {. 40, __time64_t t64 = *t;. 41, return __localtime64_r (&t64, tp);.
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#38localtime函数死锁分析 - 咕咕
localtime 与 localtime_r 这两个函数都不是信号安全的，如果在信号处理函数中使用，就要考虑到死锁的情况，比如，程序调用 localtime_r ，加锁后信号 ...
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#39localtime, _localtime32, _localtime64 - Microsoft Learn
Pointer to stored time. Return value. Return a pointer to the structure result, or NULL if the date passed to the function is: Before midnight, ...
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#40localtime_r(3) - Arch manual pages
asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r - transform date and time to broken-down time or ASCII ...
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#41Tag: localtime_r - Walker's Blog
May 21 · 项目同步Log模块性能分析优化. Recent posts. 国外银行卡申请攻略 · 浅析Docker基于overlay的存储结构 · 容器化技术之Linux Namespace ...
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#42C++ (Cpp) LOCALTIME_R Examples - HotExamples
C++ (Cpp) LOCALTIME_R - 9 examples found. These are the top rated real world C++ (Cpp) examples of LOCALTIME_R extracted from open source projects.
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#43测试mktime和localtime_r性能及优化方法 - 腾讯云
编译方法：g++ -g -o x x.cpp或g++ -O2 -o x x.cpp，两种编译方式性能基本相同。 // // 结论： // 1) 环境变量TZ和isdst均不影响localtime_r的性能// 2) 环境变量TZ ...
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#44ansiTime
localtime_r ( ) - convert calendar time into broken-down time (POSIX) mktime( ) - convert broken-down time into calendar time (ANSI)
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#45localtime_r - CS50 Manual Pages
asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r - transform date and time to broken-down time or ASCII ...
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#4616145 – localtime_r etc holds lock via __tz_convert
Don't call localtime_r between many concurrent threads,only call it update a Global Variable in main loop if you can. 2.
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#47libavutil/time_internal.h File Reference - FFmpeg
localtime_r. #define localtime_r ff_localtime_r. Definition at line 46 of file time_internal.h. Function Documentation. ◇ ff_gmtime_r() ...
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#48localtime_r.c - Google Git
struct tm *__localtime_r(const time_t *restrict t, struct tm *restrict tm). {. /* Reject time_t values whose year would overflow int because.
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#49Man page of CTIME
asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r - 日付と時刻を要素別の時刻や ASCII に変換する ...
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#50Localtime - CPlusPlus.com
... on concurrent calls to gmtime and localtime . Some libraries provide an alternative function that avoids this data race: localtime_r (non-portable).
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#51vxWorks localtime_r fails? (was epicsTimeGetEvent failed)
Wind River changed the return values for localtime_r() and ... not match POSIX standards +// vxWorks localtime_r returns different things in ...
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#52Thread: [Mingw-users] Porting localtime_r and gmtime_r
Hi, I am new to porting Unix applications and have little experience with C. The localtime_r and gmtime_r implementation with basic error checking are based ...
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#53ORA-01513 error on database startup with Oracle 11.2.0.3 ...
localtime_r () gets called from a thread as a part of odm_discover(), in VRTSodm. Solution. This issue is fixed in the following releases: odm-rhel5_x86_64-5.1 ...
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#545311 – localtime_r, gmtime_r... not available on Win32 ...
localtime_r, gmtime_r implemented using secure gmtime/localtime (1.55 KB, patch) 2005-12-26 11:54 PST, Justin Haygood, darin: review-
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#55Valgrind reports a (possibly one-time) leak in localtime_r
localtime_r (uilder/build/src/chrome/browser/zygote_main_linux.cc:499) base::Time::Explode(bool, base::Time::Exploded*) const ...
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#56gmtime_r 使用性? - 帕秋莉的魔法筆記
gmtime_r 的功能是把Unix timestamp 轉換出CST+0 時區的年月日時分秒以及其他資訊（如星期）。這個函數事實上會和 localtime_r 共用一個計算時間的函數。
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#57Bug 393310 – [pango] localtime_r does not exist in MinGW
The compilation of the pango plugin fails because localtime_r does not exists in Windows. A solution would be to implement that function.
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#58What should we do about CVE-2020-26235 (localtime_r may ...
It was written against the time-crate, and the TLDR is that linux programs can crash if they call localtime_r in one thread while another ...
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#59测试mktime和localtime_r性能及优化方法 - 博客
1) 环境变量TZ和isdst均不影响localtime_r的性能（第一次调用了除外） ... *5) 另外需要注意localtime_r为非信号安全函数，
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#60gmtime
gmtime_r and localtime_r are reentrant versions of gmtime and localtime, respectively. The program gets the current time and prints a timestamp according to UTC ...
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#611244585 – Reduce lock contention in __tz_convert()
Reduced lock contention and increased performance for threaded applications calling localtime_r() Lock contention in the localtime_r() function previously ...
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#62localtime_r: Transform date and time to broken-down time or ...
The ctime(), gmtime() and localtime() functions all take an argument of data type time_t, which represents calendar time. When interpreted as an absolute time ...
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#63c++ - segfault when using localtime_r [Archive] - Ubuntu Forums
Hello, When I run localtime_r via a function I get a segfault. I created a small program to demonstrate. jose@jmart1:~/code$ ...
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#64linux有獲取時間的函數嗎 - tw511教學網
localtime_r () localtime()取得當地目前時間和日期 ... struct tm *localtime(const time_t *timep); struct tm *localtime_r(const time_t *timep, ...
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#65Use of localtime(), localtime_r() and their performance ...
The localtime_r() function does the same, but stores the data in a user-supplied struct. It need not set tzname, timezone, and daylight. The ...
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#66HP C - Online Documentation Libraries
struct tm *localtime_r (const time_t *timer, struct tm *result); (ISO POSIX-1) ... The localtime and localtime_r functions convert the time (in seconds ...
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#67No localtime_r in windows - [email protected] - narkive
+inline struct tm* localtime_r (const time_t *clock, struct tm *result) { + if (!clock || !result) return NULL; + memcpy(result,localtime(clock) ...
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#68'SMTP_Result {aka struct esp_mail_smtp_send_status_t}' has ...
localtime_r (&result.timesstamp, &dt); // changed from timesstamp ... struct tm *_EXFUN(localtime_r, (const time_t *__restrict,
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#69Man page of CTIME
asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r - transform date and time to broken-down time or ASCII ...
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#70Issue 28148: [Patch] Also stop using localtime() in timemodule
Only localtime_r() and gmtime_r() are provided. If we're starting to make use of these functions, let's complete this by also changing ...
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#71w32: Add implementation of gmtime_r, localtime_r - Patchwork
Some versions of MinGW-w64 include defines for gmtime_r and localtime_r. Older versions of these macros are buggy (they return a pointer to ...
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#72Localtime_r gives tm_hour in negative for specific timezone(eg
We are setting the timezone using setenv() and tzset() and used localtime_r() in time.h library to convert epoch time to local time.
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#73Linux 系統程式設計 - 第 343 頁 - Google 圖書結果
localtime() localtime_r() gmtime() gmtime_r() time_t #include <time.h> struct tm * localtime (const time_t *timep); struct tm * localtime_r (const time_t ...
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#74Linux System Programming: Talking Directly to the Kernel and ...
Threaded programs should use gmtime_r(), which operates on the structure pointed at by result. localtime() and localtime_r() perform functions akin to ...
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#75Linux 信号安全 - 悟空小饭
localtime() 和 localtime_r() 的实现都通过加锁实现了访问，但是 localtime() 同时会使用一个全局变量，所以后者不是线程安全的。 但这两个函数都不是 ...
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#76UNIX Systems Programming: Communication, Concurrency, and ...
For gmtime_r and localtime_r , the result is in result . If unsuccessful , these functions return a NULL pointer . Example 9.6 The following code segment ...
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#77localtime_r运行出现BUG怎么办？ - BiliBili
centos7（redhat7） 中localtime_r有一个BUG。具体过程如下： step1 后台进程启动。 step2 用户修改时区。 step3 后进进程在使用localtime_r取时间时，不 ...
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#78ESP32物聯網專題製作實戰寶典(電子書) - 第 194 頁 - Google 圖書結果
接著是每秒更新一次 OLED 螢幕的 while 迴圈: } while (1) { } vTaskDelay(1000 / portTICK_PERIOD_MS); time(&now); localtime_r(&now, &timeinfo); strftime(buf, ...
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#79Arduino The Best 120 Projects - 第 166 頁 - Google 圖書結果
... clk_time += schedule[i].hour * SEC_IN_HOUR; clk_time += schedule[i].min * SEC_IN_MIN; localtime_r(&clk_time, &clk); } else { localtime_r(&last_time, ...
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#80implicit declaration of function `int localtime_r(...)
I'm getting implicit declaration warning. #include <time.h> int main () { struct tm mytm; time_t mytimet; localtime_r(&mytimet,&mytm);
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#81[#QTBUG-34038] localtime_r not declared in qtdeclarative\src ...
cpp:300:48: error: 'localtime_r' was not declared in this scope if (!localtime_r((const time_t*) &tt, &tmtm)) After adding struct tm * ...
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#82IAR does not have localtime_r?
h does not contain localtime_r? In 2.6 I've ended up doing. Code: Select all. Index: os/various/chrtclib.c = ...
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#83localtime_r multiple times slower for Europe/Moscow timezone
But if no rule used for this change (using "-" instead of rule "Russia"), calling of system function localtime_r() takes more time (takes more ...
localtime_r 在 コバにゃんチャンネル Youtube 的最佳貼文
localtime_r 在 大象中醫 Youtube 的最讚貼文
localtime_r 在 大象中醫 Youtube 的最讚貼文