root/TSRM/tsrm_config_common.h

INCLUDED FROM

   1 #ifndef TSRM_CONFIG_COMMON_H
   2 #define TSRM_CONFIG_COMMON_H
   3 
   4 #ifndef __CYGWIN__
   5 # ifdef _WIN32
   6 #  define TSRM_WIN32
   7 # endif
   8 #endif
   9 
  10 #ifdef TSRM_WIN32
  11 # include "tsrm_config.w32.h"
  12 #else
  13 # include <tsrm_config.h>
  14 # include <sys/param.h>
  15 #endif
  16 
  17 #if HAVE_ALLOCA_H && !defined(_ALLOCA_H)
  18 #  include <alloca.h>
  19 #endif
  20 
  21 /* AIX requires this to be the first thing in the file.  */
  22 #ifndef __GNUC__
  23 # ifndef HAVE_ALLOCA_H
  24 #  ifdef _AIX
  25 #pragma alloca
  26 #  else
  27 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  28 #    ifndef NETWARE
  29 char *alloca ();
  30 #    endif
  31 #   endif
  32 #  endif
  33 # endif
  34 #endif
  35 
  36 #if HAVE_UNISTD_H
  37 #include <unistd.h>
  38 #endif
  39 
  40 #if HAVE_LIMITS_H
  41 #include <limits.h>
  42 #endif
  43 
  44 #ifndef MAXPATHLEN
  45 # ifdef PATH_MAX
  46 #  define MAXPATHLEN PATH_MAX
  47 # elif defined(MAX_PATH)
  48 #  define MAXPATHLEN MAX_PATH
  49 # else
  50 #  define MAXPATHLEN 256
  51 # endif
  52 #endif
  53 
  54 #if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2))
  55 # define TSRM_ALLOCA_MAX_SIZE 4096
  56 # define TSRM_ALLOCA_FLAG(name) \
  57         int name;
  58 # define tsrm_do_alloca_ex(size, limit, use_heap) \
  59         ((use_heap = ((size) > (limit))) ? malloc(size) : alloca(size))
  60 # define tsrm_do_alloca(size, use_heap) \
  61         tsrm_do_alloca_ex(size, TSRM_ALLOCA_MAX_SIZE, use_heap)
  62 # define tsrm_free_alloca(p, use_heap) \
  63         do { if (use_heap) free(p); } while (0)
  64 #else
  65 # define TSRM_ALLOCA_FLAG(name)
  66 # define tsrm_do_alloca(p, use_heap)    malloc(p)
  67 # define tsrm_free_alloca(p, use_heap)  free(p)
  68 #endif
  69 
  70 #endif /* TSRM_CONFIG_COMMON_H */