ltk

Socket-based GUI for X11 (WIP)
git clone git://lumidify.org/ltk.git (fast, but not encrypted)
git clone https://lumidify.org/git/ltk.git (encrypted, but very slow)
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macros.h (1214B)

      1 #ifndef _MACROS_H_
      2 #define _MACROS_H_
      3 
      4 /* stolen from OpenBSD */
      5 /* Note: some code calls these macros with the same first and last
      6    argument, so it is important that that doesn't cause bad behavior. */
      7 #define ltk_timespecadd(tsp, usp, vsp)                                  \
      8 	do {                                                            \
      9 		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;          \
     10 		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;       \
     11 		if ((vsp)->tv_nsec >= 1000000000L) {                    \
     12 			(vsp)->tv_sec++;                                \
     13 			(vsp)->tv_nsec -= 1000000000L;                  \
     14 		}                                                       \
     15 	} while (0)
     16 
     17 #define ltk_timespecsub(tsp, usp, vsp)                                  \
     18 	do {                                                            \
     19 		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;          \
     20 		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;       \
     21 		if ((vsp)->tv_nsec < 0) {                               \
     22 			(vsp)->tv_sec--;                                \
     23 			(vsp)->tv_nsec += 1000000000L;                  \
     24 		}                                                       \
     25 	} while (0)
     26 
     27 #endif