CyteKit/UCPlatform.h

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2013  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef CyteKit_UCPlatform_H
  23 #define CyteKit_UCPlatform_H
  24
  25 #define __STDC_LIMIT_MACROS
  26 #include <stdint.h>
  27
  28 #include <objc/objc.h>
  29
  30 #include <sys/time.h>
  31 #include <time.h>
  32
  33 #define _forever \
  34     for (;;)
  35
  36 extern struct timeval _ltv;
  37 extern bool _itv;
  38
  39 #define _trace() do { \
  40     struct timeval _ctv; \
  41     gettimeofday(&_ctv, NULL); \
  42     if (!_itv) { \
  43         _itv = true; \
  44         _ltv = _ctv; \
  45     } \
  46     fprintf(stderr, "%lu.%.6u[%f]:_trace()@%s:%u[%s]\n", \
  47         _ctv.tv_sec, _ctv.tv_usec, \
  48         (_ctv.tv_sec - _ltv.tv_sec) + (_ctv.tv_usec - _ltv.tv_usec) / 1000000.0, \
  49         __FILE__, __LINE__, __FUNCTION__\
  50     ); \
  51     _ltv = _ctv; \
  52 } while (false)
  53
  54 #define _assert(test) do \
  55     if (!(test)) { \
  56         fprintf(stderr, "_assert(%d:%s)@%s:%u[%s]\n", errno, #test, __FILE__, __LINE__, __FUNCTION__); \
  57         exit(-1); \
  58     } \
  59 while (false)
  60
  61 #define _not(type) ((type) ~ (type) 0)
  62
  63 #define _transient
  64
  65 #define _label__(x) _label ## x
  66 #define _label_(y) _label__(y)
  67 #define _label _label_(__LINE__)
  68
  69 #define _packed \
  70     __attribute__((__packed__))
  71 #define _finline \
  72     inline __attribute__((__always_inline__))
  73
  74 #define _assume(e) \
  75     _assert(e)
  76
  77 #define _nodefault \
  78     default: \
  79         _assume(false); \
  80         throw;
  81
  82 #define _likely(expr) \
  83     __builtin_expect(expr, 1)
  84
  85 #define _unlikely(expr) \
  86     __builtin_expect(expr, 0)
  87
  88 #endif//CyteKit_UCPlatform_H