Utilities/cmcurl/setup_once.h

   1 #ifndef __SETUP_ONCE_H
   2 #define __SETUP_ONCE_H
   3 /***************************************************************************
   4  *                                  _   _ ____  _
   5  *  Project                     ___| | | |  _ \| |
   6  *                             / __| | | | |_) | |
   7  *                            | (__| |_| |  _ <| |___
   8  *                             \___|\___/|_| \_\_____|
   9  *
  10  * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
  11  *
  12  * This software is licensed as described in the file COPYING, which
  13  * you should have received as part of this distribution. The terms
  14  * are also available at http://curl.haxx.se/docs/copyright.html.
  15  *
  16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17  * copies of the Software, and permit persons to whom the Software is
  18  * furnished to do so, under the terms of the COPYING file.
  19  *
  20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21  * KIND, either express or implied.
  22  *
  23  * $Id: setup_once.h,v 1.2 2007-03-15 19:22:13 andy Exp $
  24  ***************************************************************************/
  25
  26
  27 /********************************************************************
  28  *                              NOTICE                              *
  29  *                             ========                             *
  30  *                                                                  *
  31  *  Content of header files lib/setup_once.h and ares/setup_once.h  *
  32  *  must be kept in sync. Modify the other one if you change this.  *
  33  *                                                                  *
  34  ********************************************************************/
  35
  36
  37 /*
  38  * If we have the MSG_NOSIGNAL define, make sure we use
  39  * it as the fourth argument of function send()
  40  */
  41
  42 #ifdef HAVE_MSG_NOSIGNAL
  43 #define SEND_4TH_ARG MSG_NOSIGNAL
  44 #else
  45 #define SEND_4TH_ARG 0
  46 #endif
  47
  48
  49 /*
  50  * The definitions for the return type and arguments types
  51  * of functions recv() and send() belong and come from the
  52  * configuration file. Do not define them in any other place.
  53  *
  54  * HAVE_RECV is defined if you have a function named recv()
  55  * which is used to read incoming data from sockets. If your
  56  * function has another name then don't define HAVE_RECV.
  57  *
  58  * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
  59  * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
  60  * be defined.
  61  *
  62  * HAVE_SEND is defined if you have a function named send()
  63  * which is used to write outgoing data on a connected socket.
  64  * If yours has another name then don't define HAVE_SEND.
  65  *
  66  * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
  67  * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
  68  * SEND_TYPE_RETV must also be defined.
  69  */
  70
  71 #ifdef HAVE_RECV
  72 #if !defined(RECV_TYPE_ARG1) || \
  73     !defined(RECV_TYPE_ARG2) || \
  74     !defined(RECV_TYPE_ARG3) || \
  75     !defined(RECV_TYPE_ARG4) || \
  76     !defined(RECV_TYPE_RETV)
  77   /* */
  78   Error Missing_definition_of_return_and_arguments_types_of_recv
  79   /* */
  80 #else
  81 #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
  82                                    (RECV_TYPE_ARG2)(y), \
  83                                    (RECV_TYPE_ARG3)(z), \
  84                                    (RECV_TYPE_ARG4)(0))
  85 #endif
  86 #else /* HAVE_RECV */
  87 #ifndef sread
  88   /* */
  89   Error Missing_definition_of_macro_sread
  90   /* */
  91 #endif
  92 #endif /* HAVE_RECV */
  93
  94 #ifdef HAVE_SEND
  95 #if !defined(SEND_TYPE_ARG1) || \
  96     !defined(SEND_QUAL_ARG2) || \
  97     !defined(SEND_TYPE_ARG2) || \
  98     !defined(SEND_TYPE_ARG3) || \
  99     !defined(SEND_TYPE_ARG4) || \
 100     !defined(SEND_TYPE_RETV)
 101   /* */
 102   Error Missing_definition_of_return_and_arguments_types_of_send
 103   /* */
 104 #else
 105 #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
 106                                     (SEND_TYPE_ARG2)(y), \
 107                                     (SEND_TYPE_ARG3)(z), \
 108                                     (SEND_TYPE_ARG4)(SEND_4TH_ARG))
 109 #endif
 110 #else /* HAVE_SEND */
 111 #ifndef swrite
 112   /* */
 113   Error Missing_definition_of_macro_swrite
 114   /* */
 115 #endif
 116 #endif /* HAVE_SEND */
 117
 118
 119 /*
 120  * Uppercase macro versions of ANSI/ISO is*() functions/macros which
 121  * avoid negative number inputs with argument byte codes > 127.
 122  */
 123
 124 #define ISSPACE(x)  (isspace((int)  ((unsigned char)x)))
 125 #define ISDIGIT(x)  (isdigit((int)  ((unsigned char)x)))
 126 #define ISALNUM(x)  (isalnum((int)  ((unsigned char)x)))
 127 #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
 128 #define ISGRAPH(x)  (isgraph((int)  ((unsigned char)x)))
 129 #define ISALPHA(x)  (isalpha((int)  ((unsigned char)x)))
 130 #define ISPRINT(x)  (isprint((int)  ((unsigned char)x)))
 131
 132
 133 /*
 134  * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
 135  */
 136
 137 #ifndef HAVE_SIG_ATOMIC_T
 138 typedef int sig_atomic_t;
 139 #define HAVE_SIG_ATOMIC_T
 140 #endif
 141
 142
 143 /*
 144  * Default return type for signal handlers.
 145  */
 146
 147 #ifndef RETSIGTYPE
 148 #define RETSIGTYPE void
 149 #endif
 150
 151
 152 #endif /* __SETUP_ONCE_H */
 153