git.m6w6.name Git - m6w6/libmemcached/blob - src/win32/wrappers.h

   1 /* LibMemcached
   2  * Copyright (C) 2010 Brian Aker, Trond Norbye
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary: "Implementation" of the function we don't have on windows
   9  *          to avoid a bunch of ifdefs in the rest of the code
  10  *
  11  */
  12 #pragma once
  13
  14 #include <inttypes.h>
  15
  16 /*
  17  * One of the Windows headers define interface as a macro, but that
  18  * is causing problems with the member named "interface" in some of the
  19  * structs.
  20  */
  21 #undef interface
  22
  23 #undef malloc
  24 #undef realloc
  25
  26
  27 /*
  28  * WinSock use a separate range for error codes. Let's just map to the
  29  * WinSock ones.
  30  */
  31 #ifndef EADDRINUSE
  32 # define EADDRINUSE WSAEADDRINUSE
  33 #endif
  34
  35 #ifndef EWOULDBLOCK
  36 # define EWOULDBLOCK WSAEWOULDBLOCK
  37 #endif
  38
  39 #ifndef EINPROGRESS
  40 # define EINPROGRESS WSAEINPROGRESS
  41 #endif
  42
  43 #ifndef EALREADY
  44 # define EALREADY WSAEALREADY
  45 #endif
  46
  47 #ifndef EISCONN
  48 # define EISCONN WSAEISCONN
  49 #endif
  50
  51 #ifndef ENOTCONN
  52 # define ENOTCONN WSAENOTCONN
  53 #endif
  54
  55 #ifndef ENOBUFS
  56 # define ENOBUFS WSAENOBUFS
  57 #endif
  58
  59 #ifndef SHUT_RDWR
  60 # define SHUT_RDWR SD_BOTH
  61 #endif
  62 #ifndef SHUT_WR
  63 # define SHUT_WR SD_SEND
  64 #endif
  65 #ifndef SHUT_RD
  66 # define SHUT_RD SD_RECEIVE
  67 #endif
  68
  69 /* EAI_SYSTEM isn't defined anywhere... just set it to... 11? */
  70 #ifndef EAI_SYSTEM
  71 # define EAI_SYSTEM 11
  72 #endif
  73
  74 /* Best effort mapping of functions to alternative functions */
  75 #define index(a,b) strchr(a,b)
  76 #define rindex(a,b) strrchr(a,b)
  77 #define random() rand()
  78 #define srandom(a) while (false) {}
  79 #define kill(a, b) while (false) {}
  80 #define fork() (-1)
  81 #define waitpid(a,b,c) (-1)
  82 #define fnmatch(a,b,c) (-1)
  83 #define sleep(a) Sleep(a*1000)
  84
  85 #ifdef __cplusplus
  86 #  include <chrono>
  87 static inline int gettimeofday(struct timeval* tp, struct timezone* tzp) {
  88   using clock = std::chrono::system_clock;
  89   auto as_sec = [] (auto d) {
  90       return std::chrono::duration_cast<std::chrono::seconds>(d);
  91   };
  92   auto as_usec = [] (auto d) {
  93       return std::chrono::duration_cast<std::chrono::microseconds>(d);
  94   };
  95
  96   auto now = clock::now().time_since_epoch();
  97   auto sec = as_sec(now);
  98   auto usec = as_usec(now - sec);
  99
 100   tp->tv_sec = sec.count();
 101   tp->tv_usec = usec.count();
 102   return 0;
 103 }
 104 #endif