gcc-compat.h

   1 #if __GNUC__ >= 3
   2 # define inline         inline __attribute__ ((always_inline))
   3 # define __noreturn     __attribute__ ((noreturn))
   4 # define __malloc       __attribute__ ((malloc))
   5 # define __used         __attribute__ ((used))
   6 # define __a_unused     __attribute__ ((unused))
   7 # define __packed       __attribute__ ((packed))
   8 # define likely(x)      __builtin_expect (!!(x), 1)
   9 # define unlikely(x)    __builtin_expect (!!(x), 0)
  10 /*
  11  * p is the number of the "format string" parameter, and q is
  12  * the number of the first variadic parameter
  13  */
  14 # define __printf(p,q) __attribute__ ((format (printf, p, q)))
  15 /*
  16  * as direct use of __printf(p,q) confuses doxygen, here are two extra macros
  17  * for those values p,q that are actually used by paraslash.
  18  */
  19 #define  __printf_1_2 __printf(1,2)
  20 #define  __printf_2_3 __printf(2,3)
  21
  22 #else
  23
  24 # define inline         /* no inline */
  25 # define __noreturn     /* no noreturn */
  26 # define __malloc       /* no malloc */
  27 # define __used         /* no used */
  28 # define __a_unused     /* no unused */
  29 # define __packed       /* no packed */
  30 # define likely(x)      (x)
  31 # define unlikely(x)    (x)
  32 # define __printf(p,q) /* no format */
  33 #define  __printf_1_2
  34 #define  __printf_2_3
  35 #endif
  36
  37 # if __GNUC__ >=3 && __GNUC_MINOR__ > 3
  38 # define __must_check   __attribute__ ((warn_unused_result))
  39 # else
  40 # define __must_check   /* no warn_unused_result */
  41 # endif