| #ifndef __SETUP_ONCE_H |
| #define __SETUP_ONCE_H |
| |
| /* $Id$ */ |
| |
| /* Copyright (C) 2004 - 2007 by Daniel Stenberg et al |
| * |
| * Permission to use, copy, modify, and distribute this software and its |
| * documentation for any purpose and without fee is hereby granted, provided |
| * that the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of M.I.T. not be used in advertising or |
| * publicity pertaining to distribution of the software without specific, |
| * written prior permission. M.I.T. makes no representations about the |
| * suitability of this software for any purpose. It is provided "as is" |
| * without express or implied warranty. |
| */ |
| |
| |
| /******************************************************************** |
| * NOTICE * |
| * ======== * |
| * * |
| * Content of header files lib/setup_once.h and ares/setup_once.h * |
| * must be kept in sync. Modify the other one if you change this. * |
| * * |
| ********************************************************************/ |
| |
| |
| /* |
| * If we have the MSG_NOSIGNAL define, make sure we use |
| * it as the fourth argument of function send() |
| */ |
| |
| #ifdef HAVE_MSG_NOSIGNAL |
| #define SEND_4TH_ARG MSG_NOSIGNAL |
| #else |
| #define SEND_4TH_ARG 0 |
| #endif |
| |
| |
| /* |
| * The definitions for the return type and arguments types |
| * of functions recv() and send() belong and come from the |
| * configuration file. Do not define them in any other place. |
| * |
| * HAVE_RECV is defined if you have a function named recv() |
| * which is used to read incoming data from sockets. If your |
| * function has another name then don't define HAVE_RECV. |
| * |
| * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, |
| * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also |
| * be defined. |
| * |
| * HAVE_SEND is defined if you have a function named send() |
| * which is used to write outgoing data on a connected socket. |
| * If yours has another name then don't define HAVE_SEND. |
| * |
| * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, |
| * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and |
| * SEND_TYPE_RETV must also be defined. |
| */ |
| |
| #ifdef HAVE_RECV |
| #if !defined(RECV_TYPE_ARG1) || \ |
| !defined(RECV_TYPE_ARG2) || \ |
| !defined(RECV_TYPE_ARG3) || \ |
| !defined(RECV_TYPE_ARG4) || \ |
| !defined(RECV_TYPE_RETV) |
| /* */ |
| Error Missing_definition_of_return_and_arguments_types_of_recv |
| /* */ |
| #else |
| #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ |
| (RECV_TYPE_ARG2)(y), \ |
| (RECV_TYPE_ARG3)(z), \ |
| (RECV_TYPE_ARG4)(0)) |
| #endif |
| #else /* HAVE_RECV */ |
| #ifndef sread |
| /* */ |
| Error Missing_definition_of_macro_sread |
| /* */ |
| #endif |
| #endif /* HAVE_RECV */ |
| |
| #ifdef HAVE_SEND |
| #if !defined(SEND_TYPE_ARG1) || \ |
| !defined(SEND_QUAL_ARG2) || \ |
| !defined(SEND_TYPE_ARG2) || \ |
| !defined(SEND_TYPE_ARG3) || \ |
| !defined(SEND_TYPE_ARG4) || \ |
| !defined(SEND_TYPE_RETV) |
| /* */ |
| Error Missing_definition_of_return_and_arguments_types_of_send |
| /* */ |
| #else |
| #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ |
| (SEND_TYPE_ARG2)(y), \ |
| (SEND_TYPE_ARG3)(z), \ |
| (SEND_TYPE_ARG4)(SEND_4TH_ARG)) |
| #endif |
| #else /* HAVE_SEND */ |
| #ifndef swrite |
| /* */ |
| Error Missing_definition_of_macro_swrite |
| /* */ |
| #endif |
| #endif /* HAVE_SEND */ |
| |
| |
| /* |
| * Uppercase macro versions of ANSI/ISO is*() functions/macros which |
| * avoid negative number inputs with argument byte codes > 127. |
| */ |
| |
| #define ISSPACE(x) (isspace((int) ((unsigned char)x))) |
| #define ISDIGIT(x) (isdigit((int) ((unsigned char)x))) |
| #define ISALNUM(x) (isalnum((int) ((unsigned char)x))) |
| #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x))) |
| #define ISGRAPH(x) (isgraph((int) ((unsigned char)x))) |
| #define ISALPHA(x) (isalpha((int) ((unsigned char)x))) |
| #define ISPRINT(x) (isprint((int) ((unsigned char)x))) |
| |
| |
| /* |
| * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. |
| */ |
| |
| #ifndef HAVE_SIG_ATOMIC_T |
| typedef int sig_atomic_t; |
| #define HAVE_SIG_ATOMIC_T |
| #endif |
| |
| |
| /* |
| * Default return type for signal handlers. |
| */ |
| |
| #ifndef RETSIGTYPE |
| #define RETSIGTYPE void |
| #endif |
| |
| |
| #endif /* __SETUP_ONCE_H */ |
| |