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https://github.com/moparisthebest/curl
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fbcf86b83e
macro to provide this functionality on all platforms
170 lines
5.1 KiB
C
170 lines
5.1 KiB
C
#ifndef __SETUP_ONCE_H
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#define __SETUP_ONCE_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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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 function send()
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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)(0))
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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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#define ISUPPER(x) (isupper((int) ((unsigned char)x)))
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#define ISLOWER(x) (islower((int) ((unsigned char)x)))
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#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \
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(((unsigned char)x) == '\t'))
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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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/*
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* Default return type for signal handlers.
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*/
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#ifndef RETSIGTYPE
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#define RETSIGTYPE void
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#endif
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/*
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* Macro used to include code only in debug builds.
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*/
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#ifdef CURLDEBUG
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#define DEBUGF(X) X
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#else
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#define DEBUGF(X) do { } while (0)
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#endif
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#endif /* __SETUP_ONCE_H */
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