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137 lines
4.3 KiB
137 lines
4.3 KiB
#ifndef __SETUP_ONCE_H |
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#define __SETUP_ONCE_H |
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/* $Id$ */ |
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/* Copyright (C) 2004 - 2006 by Daniel Stenberg et al |
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* |
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* Permission to use, copy, modify, and distribute this software and its |
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* documentation for any purpose and without fee is hereby granted, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of M.I.T. not be used in advertising or |
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* publicity pertaining to distribution of the software without specific, |
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* written prior permission. M.I.T. makes no representations about the |
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* suitability of this software for any purpose. It is provided "as is" |
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* without express or implied warranty. |
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*/ |
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/******************************************************************** |
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* NOTICE * |
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* ======== * |
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* * |
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* Content of header files lib/setup_once.h and ares/setup_once.h * |
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* must be kept in sync. Modify the other one if you change this. * |
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* * |
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********************************************************************/ |
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/* |
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* If we have the MSG_NOSIGNAL define, make sure we use |
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* it as the fourth argument of send() and recv() |
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*/ |
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#ifdef HAVE_MSG_NOSIGNAL |
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#define SEND_4TH_ARG MSG_NOSIGNAL |
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#else |
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#define SEND_4TH_ARG 0 |
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#endif |
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/* |
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* The definitions for the return type and arguments types |
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* of functions recv() and send() belong and come from the |
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* configuration file. Do not define them in any other place. |
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* |
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* HAVE_RECV is defined if you have a function named recv() |
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* which is used to read incoming data from sockets. If your |
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* function has another name then don't define HAVE_RECV. |
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* |
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* If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, |
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* RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also |
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* be defined. |
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* |
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* HAVE_SEND is defined if you have a function named send() |
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* which is used to write outgoing data on a connected socket. |
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* If yours has another name then don't define HAVE_SEND. |
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* |
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* If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, |
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* SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and |
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* SEND_TYPE_RETV must also be defined. |
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*/ |
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#ifdef HAVE_RECV |
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#if !defined(RECV_TYPE_ARG1) || \ |
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!defined(RECV_TYPE_ARG2) || \ |
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!defined(RECV_TYPE_ARG3) || \ |
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!defined(RECV_TYPE_ARG4) || \ |
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!defined(RECV_TYPE_RETV) |
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/* */ |
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Error Missing_definition_of_return_and_arguments_types_of_recv |
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/* */ |
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#else |
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#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ |
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(RECV_TYPE_ARG2)(y), \ |
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(RECV_TYPE_ARG3)(z), \ |
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(RECV_TYPE_ARG4)(SEND_4TH_ARG)) |
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#endif |
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#else /* HAVE_RECV */ |
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#ifndef sread |
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/* */ |
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Error Missing_definition_of_macro_sread |
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/* */ |
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#endif |
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#endif /* HAVE_RECV */ |
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#ifdef HAVE_SEND |
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#if !defined(SEND_TYPE_ARG1) || \ |
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!defined(SEND_QUAL_ARG2) || \ |
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!defined(SEND_TYPE_ARG2) || \ |
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!defined(SEND_TYPE_ARG3) || \ |
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!defined(SEND_TYPE_ARG4) || \ |
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!defined(SEND_TYPE_RETV) |
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/* */ |
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Error Missing_definition_of_return_and_arguments_types_of_send |
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/* */ |
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#else |
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#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ |
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(SEND_TYPE_ARG2)(y), \ |
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(SEND_TYPE_ARG3)(z), \ |
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(SEND_TYPE_ARG4)(SEND_4TH_ARG)) |
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#endif |
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#else /* HAVE_SEND */ |
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#ifndef swrite |
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/* */ |
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Error Missing_definition_of_macro_swrite |
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/* */ |
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#endif |
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#endif /* HAVE_SEND */ |
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/* |
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* Uppercase macro versions of ANSI/ISO is*() functions/macros which |
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* avoid negative number inputs with argument byte codes > 127. |
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*/ |
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#define ISSPACE(x) (isspace((int) ((unsigned char)x))) |
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#define ISDIGIT(x) (isdigit((int) ((unsigned char)x))) |
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#define ISALNUM(x) (isalnum((int) ((unsigned char)x))) |
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#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x))) |
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#define ISGRAPH(x) (isgraph((int) ((unsigned char)x))) |
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#define ISALPHA(x) (isalpha((int) ((unsigned char)x))) |
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#define ISPRINT(x) (isprint((int) ((unsigned char)x))) |
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/* |
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* Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. |
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*/ |
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#ifndef HAVE_SIG_ATOMIC_T |
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typedef int sig_atomic_t; |
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#define HAVE_SIG_ATOMIC_T |
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#endif |
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#endif /* __SETUP_ONCE_H */ |
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