Ryan Berthold ryanberthold
ryanberthold
/ timegm.c
Created
May 8, 2013 23:35
Portability test for timegm replacements. One version is the classic non-thread-safe TZ+mktime, while the other is thread-safe mktime+tm_yday.
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| /* | |
| gcc -Wall -pedantic -std=c99 -O2 -o timegm timegm.c | |
| Test manual epoch calculation with tm_yday vs TZ+mktime. | |
| On Linux, gcc 4.4.7, the manual method is ~5x faster. | |
| Usage: | |
| ./timegm | |
| <ctrl-C> to quit |