how to convert datetime to unix timestamp in c?

by

You could try a combination of strptime and mktime

struct tm tm;
time_t epoch;
if ( strptime(timestamp, "%Y-%m-%d %H:%M:%S", &tm) != NULL )
  epoch = mktime(&tm);
else
  // badness

More Related Contents:

  1. printf anomaly after “fork()”
  2. How to make child process die after parent exits?
  3. How to send a simple string between two programs using pipes?
  4. stat() error ‘No such file or directory’ when file name is returned by readdir()
  5. Why does this program print “forked!” 4 times?
  6. stdout thread-safe in C on Linux?
  7. Linking two shared libraries with some of the same symbols
  8. Please explain the exec() function and its family
  9. Non-blocking call for reading descriptor
  10. Why does ENOENT mean “No such file or directory”?
  11. How can I copy a file on Unix using C?
  12. Using SO_REUSEADDR – What happens to previously open socket?
  13. Turn a simple socket into an SSL socket
  14. After forking, are global variables shared?
  15. What are the differences between poll and select?
  16. practical examples use dup or dup2
  17. Calculating elapsed time in a C program in milliseconds
  18. Waiting for all child processes before parent resumes execution UNIX
  19. Recursive mkdir() system call on Unix
  20. fork and existing threads?
  21. Why the address of variable of child process and parent process is same
  22. Programmatically retrieving the absolute path of an OS X command-line app
  23. Seeking a simple description regarding ‘file descriptor’ after fork()
  24. Dropping root privileges
  25. In C, what’s the size of stdout buffer?
  26. To check the E2BIG error condition in exec
  27. What can cause a “Resource temporarily unavailable” on sock send() command
  28. Reading from stdin
  29. Unix O_CREAT flag without mode specified
  30. Why can’t I ignore SIGSEGV signal?

Leave a Comment