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Questions tagged [time-t]

`time_t` is a Standard-C data type to hold the seconds since UNIX epoch, that since the 1.1.1970.

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Does time_t exist in JNA?

I downloaded Java Native Access in Eclipse for use in a program, specifically to use a variable time_t date in order to get a unix timestamp. Does that structure exist, or is it in another form? In case it doesn't exist, what would be my best…
Alpha1126
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time_t declaration issue during compile time

I have a time_t and Struct tm being used in my code. I am not able to initiaize the struct tm like the way i am doing. If this is initialized in the function then it works fine. Please help #include "time.h" static struct tm strtime; struct tm *…
Akshay
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Equality check for time_t typed variables

I been comparing the equality of the 2 time one that is taken from loacal machine and one from server time_t local= kernel()->time_now() this time_now() do return time_t and uses normal way to get sys time time_t remote =fs->ctime() getting the…
RaGa__M
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Convert MySQL Datetime to C++ std::time_t

I am stuck in a problem and really hope you can help me. I like to convert a MySQL DATETIME field into a C++ std::time_t variable. My database looks like this: CREATE TABLE data( id INTEGER AUTO_INCREMENT UNIQUE, path …
Michael
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difference of two user entered time c++

i need to be able fill two variables (a kind of time variable), then be able to calculate their difference. after all of my searches i found difftime, but my problem is that, it uses time_t variables, and i don't know how to fill a 'time_t' with…
Danial Razavi
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C: string to milisecs timestamp

I want return in a function a time_t value from timestamp in string format but i don't get it. I need help. I read a string KEY of a Redis database that it is a timestamp value with form, for example, "1456242904.226683" My code is: time_t…
La mujer esponja
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64-bit time_t in Linux Kernel

I have compiled kernel 3.19.1 but still have a problem with time_t. Just a simple program with cout << sizeof (time_t); gives size of 4 bytes, not 8 bytes as was my intention. Should I switch on a particular option during make menuconfig?
user2425502
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Producing UNIX timestamp out of datetime passed in C

I'm porting a C app from Solaris to RedHat, and this function does not work very well on RedHat (and I need your help determing why): int toTimestamp (const char *InputDate, const char *DateFormat, time_t *lTimestamp){ struct tm tm; if…
cameroon2
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Pack timestamp in 4 bytes

I am very restricted in memory usage. I need to store a datetime in my program. Precision is one second. Only 4 bytes for one datetime value. What is the best way to achieve this?
tmporaries
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Convert SQLite Date Field to C++ Time_T

How Do I Convert A SQLite Date in the following format to a C++ Time_T Variable? YYYY-MM-DD HH:MM:SS
Talon06
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Segmentation fault when using tm struck in C

So I posted my code below (sorry, I know it is long), but I'm getting a segmentation fault when I try to do any operation using the tm struct. I have no idea why I'm getting this seg fault, I'm pretty sure I had it working before, but now I just…
intA
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Writing a function to display current day using time_t?

I've been writing a time converter to take the systems time_t and convert it into human readable date/time. Oh, and this is my second python script ever. We'll leave that fact aside and move on. The full script is hosted here. Writing converters for…
Ripdog
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puzzle - printing time in human-readable form in C; ctime, asctime

there is a following puzzle to which I think I know the right answer but I have one issue as well. Have a look: Sample Code void printTime( time_t *t ) { ???? } Which one of the following can replace the ???? in the code above to print the…
Prz3m3k
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c++ time and random function

I'm trying to create a procedural that draws cards from a deck at random. The problem was that I needed to make the draw procedure actually random, as each draw is the same when using srand and rand when no other factors change. Thus I attached it…
David
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Converting human time to epoch Unix time returning negative number

I am currently working on some C code and I am trying to convert a human readable date into an epoch time stamp (unix timestamp). However, its always returning a negative number. I'm using struct tm and hard coding the values of the date until I get…
Boardy
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