135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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thread safe version of some common functions:
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my_inet_ntoa
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This file is also used to make handling of sockets and ioctl()
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portable accross systems.
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*/
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#ifndef _my_net_h
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#define _my_net_h
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C_MODE_START
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#include <errno.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_POLL
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#include <sys/poll.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#if !defined(MSDOS) && !defined(__WIN__) && !defined(HAVE_BROKEN_NETINET_INCLUDES) && !defined(__BEOS__) && !defined(__NETWARE__)
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#include <netinet/in_systm.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#if !defined(alpha_linux_port)
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#include <netinet/tcp.h>
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#endif
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#endif
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#if defined(__EMX__)
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#include <sys/ioctl.h>
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#define ioctlsocket(A,B,C) ioctl((A),(B),(void *)(C),sizeof(*(C)))
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#undef HAVE_FCNTL
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#endif /* defined(__EMX__) */
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#if defined(MSDOS) || defined(__WIN__)
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#define O_NONBLOCK 1 /* For emulation of fcntl() */
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/*
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SHUT_RDWR is called SD_BOTH in windows and
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is defined to 2 in winsock2.h
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#define SD_BOTH 0x02
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*/
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#define SHUT_RDWR 0x02
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#endif
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/*
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On OSes which don't have the in_addr_t, we guess that using uint32 is the best
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possible choice. We guess this from the fact that on HP-UX64bit & FreeBSD64bit
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& Solaris64bit, in_addr_t is equivalent to uint32. And on Linux32bit too.
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*/
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#ifndef HAVE_IN_ADDR_T
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#define in_addr_t uint32
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#endif
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/* On some operating systems (e.g. Solaris) INADDR_NONE is not defined */
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#ifndef INADDR_NONE
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#define INADDR_NONE -1 /* Error value from inet_addr */
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#endif
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/* Thread safe or portable version of some functions */
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void my_inet_ntoa(struct in_addr in, char *buf);
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/*
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Handling of gethostbyname_r()
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*/
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#if !defined(HPUX10)
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struct hostent;
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#endif /* HPUX */
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#if !defined(HAVE_GETHOSTBYNAME_R)
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struct hostent *my_gethostbyname_r(const char *name,
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struct hostent *result, char *buffer,
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int buflen, int *h_errnop);
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void my_gethostbyname_r_free();
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#elif defined(HAVE_PTHREAD_ATTR_CREATE) || defined(_AIX) || defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE)
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struct hostent *my_gethostbyname_r(const char *name,
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struct hostent *result, char *buffer,
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int buflen, int *h_errnop);
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#define my_gethostbyname_r_free()
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#if !defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE) && !defined(HPUX10)
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#define GETHOSTBYNAME_BUFF_SIZE sizeof(struct hostent_data)
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#endif /* !defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE) */
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#elif defined(HAVE_GETHOSTBYNAME_R_RETURN_INT)
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#define GETHOSTBYNAME_BUFF_SIZE sizeof(struct hostent_data)
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struct hostent *my_gethostbyname_r(const char *name,
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struct hostent *result, char *buffer,
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int buflen, int *h_errnop);
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#define my_gethostbyname_r_free()
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#else
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#define my_gethostbyname_r(A,B,C,D,E) gethostbyname_r((A),(B),(C),(D),(E))
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#define my_gethostbyname_r_free()
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#endif /* !defined(HAVE_GETHOSTBYNAME_R) */
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#ifndef GETHOSTBYNAME_BUFF_SIZE
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#define GETHOSTBYNAME_BUFF_SIZE 2048
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#endif
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/* On SCO you get a link error when refering to h_errno */
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#ifdef SCO
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#undef h_errno
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#define h_errno errno
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#endif
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C_MODE_END
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#endif
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