github.com/rajveermalviya/gamen@v0.1.2-0.20220930195403-9be15877c1aa/internal/xcb/include/X11/Xos.h (about)

     1  /*
     2   *
     3  Copyright 1987, 1998  The Open Group
     4  
     5  Permission to use, copy, modify, distribute, and sell this software and its
     6  documentation for any purpose is hereby granted without fee, provided that
     7  the above copyright notice appear in all copies and that both that
     8  copyright notice and this permission notice appear in supporting
     9  documentation.
    10  
    11  The above copyright notice and this permission notice shall be included in
    12  all copies or substantial portions of the Software.
    13  
    14  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    17  OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
    18  AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    19  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    20  
    21  Except as contained in this notice, the name of The Open Group shall not be
    22  used in advertising or otherwise to promote the sale, use or other dealings
    23  in this Software without prior written authorization from The Open Group.
    24   *
    25   * The X Window System is a Trademark of The Open Group.
    26   *
    27   */
    28  
    29  /* This is a collection of things to try and minimize system dependencies
    30   * in a "significant" number of source files.
    31   */
    32  
    33  #ifndef _XOS_H_
    34  # define _XOS_H_
    35  
    36  # include <X11/Xosdefs.h>
    37  
    38  /*
    39   * Get major data types (esp. caddr_t)
    40   */
    41  
    42  # include <sys/types.h>
    43  
    44  # if defined(__SCO__) || defined(__UNIXWARE__)
    45  #  include <stdint.h>
    46  # endif
    47  
    48  
    49  /*
    50   * Just about everyone needs the strings routines.  We provide both forms here,
    51   * index/rindex and strchr/strrchr, so any systems that don't provide them all
    52   * need to have #defines here.
    53   *
    54   * These macros are defined this way, rather than, e.g.:
    55   *    #defined index(s,c) strchr(s,c)
    56   * because someone might be using them as function pointers, and such
    57   * a change would break compatibility for anyone who's relying on them
    58   * being the way they currently are. So we're stuck with them this way,
    59   * which can be really inconvenient. :-(
    60   */
    61  
    62  # include <string.h>
    63  # if defined(__SCO__) || defined(__UNIXWARE__) || defined(__sun) || defined(__CYGWIN__) || defined(_AIX) || defined(__APPLE__)
    64  #  include <strings.h>
    65  # else
    66  #  ifndef index
    67  #   define index(s,c) (strchr((s),(c)))
    68  #  endif
    69  #  ifndef rindex
    70  #   define rindex(s,c) (strrchr((s),(c)))
    71  #  endif
    72  # endif
    73  
    74  /*
    75   * Get open(2) constants
    76   */
    77  # if defined(X_NOT_POSIX)
    78  #  include <fcntl.h>
    79  #  if defined(USL) || defined(__i386__) && (defined(SYSV) || defined(SVR4))
    80  #   include <unistd.h>
    81  #  endif
    82  #  ifdef WIN32
    83  #   include <X11/Xw32defs.h>
    84  #  else
    85  #   include <sys/file.h>
    86  #  endif
    87  # else /* X_NOT_POSIX */
    88  #  include <fcntl.h>
    89  #  include <unistd.h>
    90  # endif /* X_NOT_POSIX else */
    91  
    92  /*
    93   * Get struct timeval and struct tm
    94   */
    95  
    96  # if defined(_POSIX_SOURCE) && defined(SVR4)
    97  /* need to omit _POSIX_SOURCE in order to get what we want in SVR4 */
    98  #  undef _POSIX_SOURCE
    99  #  include <sys/time.h>
   100  #  define _POSIX_SOURCE
   101  # elif defined(WIN32)
   102  #  include <time.h>
   103  #  if !defined(_WINSOCKAPI_) && !defined(_WILLWINSOCK_) && !defined(_TIMEVAL_DEFINED) && !defined(_STRUCT_TIMEVAL)
   104  struct timeval {
   105      long    tv_sec;         /* seconds */
   106      long    tv_usec;        /* and microseconds */
   107  };
   108  #   define _TIMEVAL_DEFINED
   109  #  endif
   110  #  include <sys/timeb.h>
   111  #  define gettimeofday(t) \
   112  { \
   113      struct _timeb _gtodtmp; \
   114      _ftime (&_gtodtmp); \
   115      (t)->tv_sec = _gtodtmp.time; \
   116      (t)->tv_usec = _gtodtmp.millitm * 1000; \
   117  }
   118  # else
   119  #  include <sys/time.h>
   120  #  include <time.h>
   121  # endif /* defined(_POSIX_SOURCE) && defined(SVR4) */
   122  
   123  /* define X_GETTIMEOFDAY macro, a portable gettimeofday() */
   124  # if defined(_XOPEN_XPG4) || defined(_XOPEN_UNIX) /* _XOPEN_UNIX is XPG4.2 */
   125  #  define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0)
   126  # else
   127  #  if defined(SVR4) || defined(__SVR4) || defined(WIN32)
   128  #   define X_GETTIMEOFDAY(t) gettimeofday(t)
   129  #  else
   130  #   define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0)
   131  #  endif
   132  # endif /* XPG4 else */
   133  
   134  
   135  # ifdef __GNU__
   136  #  define PATH_MAX 4096
   137  #  define MAXPATHLEN 4096
   138  #  define OPEN_MAX 256 /* We define a reasonable limit.  */
   139  # endif
   140  
   141  /* use POSIX name for signal */
   142  # if defined(X_NOT_POSIX) && defined(SYSV) && !defined(SIGCHLD)
   143  #  define SIGCHLD SIGCLD
   144  # endif
   145  
   146  # include <X11/Xarch.h>
   147  
   148  #endif /* _XOS_H_ */