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tkwww/Library/Implementation/tcp.h
Nishi c5c6bdfad5
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2024-12-01 22:35:17 +09:00

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/* System dependencies in the W3 library
SYSTEM DEPENDENCIES
System-system differences for TCP include files and macros. This file includes for each
system the files necessary for network and file I/O. Part of libwww.
AUTHORS
TBL Tim Berners-Lee, W3 project, CERN, <timbl@info.cern.ch>
EvA Eelco van Asperen <evas@cs.few.eur.nl>
MA Marc Andreesen NCSA
MD Mark Donszelmann <duns@vxcern.cern.ch>
AT Aleksandar Totic <atotic@ncsa.uiuc.edu>
SCW Susan C. Weber <sweber@kyle.eitech.com>
HISTORY:
22 Feb 91 Written (TBL) as part of the WWW library.
16 Jan 92 PC code from (EvA)
22 Apr 93 Merged diffs bits from xmosaic release
29 Apr 93 Windows/NT code from (SCW)
29 Sep 93 VMS fixes (MD)
*/
#ifndef TCP_H
#define TCP_H
/*
Default values
These values may be reset and altered by system-specific sections later on. there are
also a bunch of defaults at the end .
*/
/* Default values of those: */
#define NETCLOSE close /* Routine to close a TCP-IP socket */
#define NETREAD read /* Routine to read from a TCP-IP socket */
#define NETWRITE write /* Routine to write to a TCP-IP socket */
/* Unless stated otherwise, */
#define SELECT /* Can handle >1 channel. */
#define GOT_SYSTEM /* Can call shell with string */
#ifdef unix
#define GOT_PIPE
#endif
#ifdef VM
#define GOT_PIPE /* Of sorts */
#endif
#ifdef DECNET
typedef struct sockaddr_dn SockA; /* See netdnet/dn.h or custom vms.h */
#else /* Internet */
typedef struct sockaddr_in SockA; /* See netinet/in.h */
#endif
/*
Macintosh - Think-C
Think-C is one development environment on the Mac.
We recommend that you compile with 4-byte ints to be compatible with MPW C. We used
Tom Milligan's s_socket library which was written for 4 byte int, and the MacTCP
library assumes 4-byte int.
*/
#ifdef THINK_C
#undef GOT_SYSTEM
#define DEBUG /* Can't put it on the CC command line */
#define NO_UNIX_IO /* getuid() missing */
#define NO_GETPID /* getpid() does not exist */
#define NO_GETWD /* getwd() does not exist */
#undef NETCLOSE /* Routine to close a TCP-IP socket */
#undef NETREAD /* Routine to read from a TCP-IP socket */
#undef NETWRITE /* Routine to write to a TCP-IP socket */
#define NETCLOSE s_close /* Routine to close a TCP-IP socket */
#define NETREAD s_read /* Routine to read from a TCP-IP socket */
#define NETWRITE s_write /* Routine to write to a TCP-IP socket */
#define bind s_bind /* Funny names presumably to prevent clashes */
#define connect s_connect
#define accept s_accept
#define listen s_listen
#define socket s_socket
#define getsockname s_getsockname
/* The function prototype checking is better than the include files
*/
extern s_close(int s);
extern s_read(int s, char *buffer, int buflen);
extern s_write(int s, const char *buffer, int buflen);
extern bind(int s, struct sockaddr *name, int namelen);
extern accept(int s, struct sockaddr *addr, int *addrlen);
extern listen(int s, int qlen);
extern connect(int s, struct sockaddr *addr, int addrlen);
extern s_socket(int domain, int type, int protocol);
extern s_getsockname(int s, struct sockaddr *name, int *namelen);
extern struct hostent *gethostent(const char * name);
extern unsigned long inet_addr(const char * name);
#endif /* THINK_C */
/*
Macintosh - MPW
MPW is one development environment on the Mac.
This entry was created by Aleksandar Totic (atotic@ncsa.uiuc.edu) this file is
compatible with sockets package released by NCSA. One major conflict is that this
library redefines write/read/etc as macros. In some of HTML code these macros get
executed when they should not be. Such files should define NO_SOCKET_DEFS on top. This
is a temporary hack.
*/
#ifdef applec /* MPW */
#undef GOT_SYSTEM
#define DEBUG /* Can't put it on the CC command line */
#define NO_UNIX_IO /* getuid() missing
*/
#define NO_GETPID /* getpid() does not exist
*/
#define NO_GETWD /* getwd() does not exist
*/
#undef NETCLOSE /* Routine to close a TCP-IP socket */
#undef NETREAD /* Routine to read from a TCP-IP socket */
#undef NETWRITE /* Routine to write to a TCP-IP socket */
#define NETCLOSE s_close /* Routine to close a TCP-IP socket */
#define NETREAD s_read /* Routine to read from a TCP-IP socket */
#define NETWRITE s_write /* Routine to write to a TCP-IP socket */
#define _ANSI_SOURCE
#define GUI
#define LINEFEED 10
#define ANON_FTP_HOSTNAME
#ifndef NO_SOCKET_DEFS
#include <MacSockDefs.h>
#endif
#include <socket.ext.h>
#include <string.h>
#endif /* MPW */
#ifndef STDIO_H
#include <stdio.h>
#define STDIO_H
#endif
/*
Big Blue - the world of incompatibility
IBM RS600
On the IBM RS-6000, AIX is almost Unix.
*/
#ifdef _AIX
#define AIX
#endif
#ifdef AIX
#define unix
#endif
/* AIX 3.2
** -------
*/
#ifdef _IBMR2
#define USE_DIRENT /* sys V style directory open */
#endif
/*
IBM VM-CMS, VM-XA Mainframes
MVS is compiled as for VM. MVS has no unix-style I/O. The command line compile options
seem to come across in lower case.
*/
#ifdef mvs
#define MVS
#endif
#ifdef MVS
#define VM
#endif
#ifdef NEWLIB
#pragma linkage(newlib,OS) /* Enables recursive NEWLIB */
#endif
/* VM doesn't have a built-in predefined token, so we cheat: */
#ifndef VM
#include <string.h> /* For bzero etc - not VM */
#endif
/* Note: All include file names must have 8 chars max (+".h")
**
** Under VM, compile with "(DEF=VM,SHORT_NAMES,DEBUG)"
**
** Under MVS, compile with "NOMAR DEF(MVS)" to get rid of 72 char margin
** System include files TCPIP and COMMMAC neeed line number removal(!)
*/
#ifdef VM /* or MVS -- see above. */
#define NOT_ASCII /* char type is not ASCII */
#define NO_UNIX_IO /* Unix I/O routines are not supported */
#define NO_GETPID /* getpid() does not exist */
#define NO_GETWD /* getwd() does not exist */
#ifndef SHORT_NAMES
#define SHORT_NAMES /* 8 character uniqueness for globals */
#endif
#include <manifest.h>
#include <bsdtypes.h>
#include <stdefs.h>
#include <socket.h>
#include <in.h>
#include <inet.h>
#include <netdb.h>
#include <errno.h> /* independent */
extern char asciitoebcdic[], ebcdictoascii[];
#define TOASCII(c) (c=='\n' ? 10 : ebcdictoascii[c])
#define FROMASCII(c) (c== 10 ? '\n' : asciitoebcdic[c])
#include <bsdtime.h>
#include <time.h>
#include <string.h>
#define INCLUDES_DONE
#define TCP_INCLUDES_DONE
#endif
/*
IBM-PC running MS-DOS with SunNFS for TCP/IP
This code thanks to Eelco van Asperen <evas@cs.few.eur.nl>
*/
#ifdef PCNFS
#include <sys/types.h>
#include <string.h>
#include <errno.h> /* independent */
#include <sys/time.h> /* independent */
#include <sys/stat.h>
#include <fcntl.h> /* In place of sys/param and sys/file */
#define INCLUDES_DONE
#define FD_SET(fd,pmask) (*(unsigned*)(pmask)) |= (1<<(fd))
#define FD_CLR(fd,pmask) (*(unsigned*)(pmask)) &= ~(1<<(fd))
#define FD_ZERO(pmask) (*(unsigned*)(pmask))=0
#define FD_ISSET(fd,pmask) (*(unsigned*)(pmask) & (1<<(fd)))
#endif /* PCNFS */
/*
IBM-PC running Windows NT
These parameters providede by Susan C. Weber <sweber@kyle.eitech.com>.
*/
#ifdef _WINDOWS
#include "fcntl.h" /* For HTFile.c */
#include "sys\types.h" /* For HTFile.c */
#include "sys\stat.h" /* For HTFile.c */
#undef NETREAD
#undef NETWRITE
#undef NETCLOSE
#define NETREAD(s,b,l) ((s)>10 ? recv((s),(b),(l),0) : read((s),(b),(l)))
#define NETWRITE(s,b,l) ((s)>10 ? send((s),(b),(l),0) : write((s),(b),(l)))
#define NETCLOSE(s) ((s)>10 ? closesocket(s) : close(s))
#include <io.h>
#include <string.h>
#include <process.h>
#include <time.h>
#include <direct.h>
#include <stdio.h>
#include <winsock.h>
typedef struct sockaddr_in SockA; /* See netinet/in.h */
#define INCLUDES_DONE
#define TCP_INCLUDES_DONE
#endif /* WINDOWS */
/*
VAX/VMS
Under VMS, there are many versions of TCP-IP. Define one if you do not use Digital's
UCX product:
UCX DEC's "Ultrix connection" (default)
WIN_TCP From Wollongong, now GEC software.
MULTINET From SRI, now from TGV Inv.
DECNET Cern's TCP socket emulation over DECnet
The last three do not interfere with the unix i/o library, and so they need special
calls to read, write and close sockets. In these cases the socket number is a VMS
channel number, so we make the @@@ HORRIBLE @@@ assumption that a channel number will
be greater than 10 but a unix file descriptor less than 10. It works.
*/
#ifdef VMS
#define CACHE_FILE_PREFIX "SYS$LOGIN:Z_"
#ifdef WIN_TCP
#undef NETREAD
#undef NETWRITE
#undef NETCLOSE
#define NETREAD(s,b,l) ((s)>10 ? netread((s),(b),(l)) : read((s),(b),(l)))
#define NETWRITE(s,b,l) ((s)>10 ? netwrite((s),(b),(l)) : write((s),(b),(l)))
#define NETCLOSE(s) ((s)>10 ? netclose(s) : close(s))
#endif /* WIN_TCP */
#ifdef MULTINET
#undef NETCLOSE
#undef NETREAD
#undef NETWRITE
#define NETREAD(s,b,l) ((s)>10 ? socket_read((s),(b),(l)) : read((s),(b),(l)))
#define NETWRITE(s,b,l) ((s)>10 ? socket_write((s),(b),(l)) : \
write((s),(b),(l)))
#define NETCLOSE(s) ((s)>10 ? socket_close(s) : close(s))
#endif /* MULTINET */
#ifdef DECNET
#undef SELECT /* not supported */
#undef NETREAD
#undef NETWRITE
#undef NETCLOSE
#define NETREAD(s,b,l) ((s)>10 ? recv((s),(b),(l),0) : read((s),(b),(l)))
#define NETWRITE(s,b,l) ((s)>10 ? send((s),(b),(l),0) : write((s),(b),(l)))
#define NETCLOSE(s) ((s)>10 ? socket_close(s) : close(s))
#endif /* Decnet */
/* Certainly this works for UCX and Multinet; not tried for Wollongong
*/
#ifdef MULTINET
#ifdef __TIME_T
#define __TYPES
#define __TYPES_LOADED
#endif /* __TIME_T */
#include "multinet_root:[multinet.include.sys]types.h"
#include "multinet_root:[multinet.include]errno.h"
#ifdef __TYPES
#define __TIME_T
#endif /* __TYPE */
#ifdef __TIME_LOADED
#define __TIME
#endif /* __TIME_LOADED */
#include "multinet_root:[multinet.include.sys]time.h"
#else /* not MULTINET */
#include <types.h>
#include <errno.h>
#include <time.h>
#endif /* not MULTINET */
#include string
#ifndef STDIO_H
#include stdio
#define STDIO_H
#endif
#include file
#ifndef DECNET /* Why is it used at all ? Types conflict with "types.h" */
#include unixio
#endif
#define INCLUDES_DONE
#ifdef MULTINET /* Include from standard Multinet directories */
#include "multinet_root:[multinet.include.sys]socket.h"
#ifdef __TIME_LOADED /* defined by sys$library:time.h */
#define __TIME /* to avoid double definitions in next file */
#endif
#include "multinet_root:[multinet.include.netinet]in.h"
#include "multinet_root:[multinet.include.arpa]inet.h"
#include "multinet_root:[multinet.include]netdb.h"
#include "multinet_root:[multinet.include.sys]ioctl.h"
#else /* not multinet */
#ifdef DECNET
#include "types.h" /* for socket.h */
#include "socket.h"
#include "dn"
#include "dnetdb"
/* #include "vms.h" */
#else /* UCX or WIN */
#ifdef CADDR_T
#define __CADDR_T
#endif /* problem with xlib.h inclusion */
#include <socket.h>
#include <in.h>
#include <inet.h>
#include <netdb.h>
#endif /* not DECNET */
#endif /* of Multinet or other TCP includes */
#define TCP_INCLUDES_DONE
/*
On VMS machines, the linker needs to be told to put global data sections into a data
segment using these storage classes. (MarkDonszelmann)
*/
#ifdef VAXC
#define GLOBALDEF globaldef
#define GLOBALREF globalref
#endif /* VAXC */
#endif /* vms */
/*
On non-VMS machines, the GLOBALDEF and GLOBALREF storage types default to normal C
storage types.
*/
#ifndef GLOBALREF
#define GLOBALDEF
#define GLOBALREF extern
#endif
/*
SCO ODT unix version
*/
#ifdef sco
#include <sys/fcntl.h>
#define USE_DIRENT
#endif
/*
MIPS unix
*/
/* Mips hack (bsd4.3/sysV mixture...) */
#ifdef mips
extern int errno;
#endif
/*
Solaris
(And Linux, thanks to Rainer Klute)
*/
#if defined(__svr4__) || defined(_POSIX_SOURCE)
#include <unistd.h>
#endif
/*
OSF/1
*/
#ifdef __osf__
#define USE_DIRENT
#endif /* OSF1 AXP */
/*
Regular BSD unix versions
These are a default unix where not already defined specifically.
*/
#ifndef INCLUDES_DONE
#include <sys/types.h>
/* #include <streams/streams.h> not ultrix */
#include <string.h>
#include <errno.h> /* independent */
#include <sys/time.h> /* independent */
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/file.h> /* For open() etc */
#define INCLUDES_DONE
#endif /* Normal includes */
/* Directory reading stuff - BSD or SYS V
*/
#ifdef unix /* if this is to compile on a UNIX machine */
#define GOT_READ_DIR 1 /* if directory reading functions are available */
#ifdef USE_DIRENT /* sys v version */
#include <dirent.h>
#define direct dirent
#else
#include <sys/dir.h>
#endif
#if defined(sun) && defined(__svr4__)
#include <sys/fcntl.h>
#include <limits.h>
#endif
#endif
/*
NeXT
*/
#ifdef NeXT
#include "sys/types.h"
#include "sys/stat.h"
#ifndef S_ISDIR
#define S_ISDIR(m) (m & S_IFDIR)
#define S_ISREG(m) (m & S_IFREG)
#define S_ISCHR(m) (m & S_IFCHR)
#define S_ISBLK(m) (m & S_IFBLK)
#define S_ISLNK(m) (m & S_IFLNK)
#define S_ISSOCK(m) (m & S_IFSOCK)
#define S_ISFIFO(m) (NO)
#endif
#ifndef WEXITSTATUS
#define WEXITSTATUS(s) (((s).w_status >> 8) & 0377)
#endif
#ifndef S_IRWXU
#define S_IRWXU 0000700
#define S_IRWXG 0000070
#define S_IRWXO 0000007
#endif
#endif
/*
Defaults
INCLUDE FILES FOR TCP
*/
#ifndef TCP_INCLUDES_DONE
#include <sys/socket.h>
#include <netinet/in.h>
#ifndef __hpux /* this may or may not be good -marc */
#include <arpa/inet.h> /* Must be after netinet/in.h */
#endif
#include <netdb.h>
#endif /* TCP includes */
/*
MACROS FOR MANIPULATING MASKS FOR SELECT()
*/
#ifdef SELECT
#ifndef FD_SET
typedef unsigned int fd_set;
#define FD_SET(fd,pmask) (*(pmask)) |= (1<<(fd))
#define FD_CLR(fd,pmask) (*(pmask)) &= ~(1<<(fd))
#define FD_ZERO(pmask) (*(pmask))=0
#define FD_ISSET(fd,pmask) (*(pmask) & (1<<(fd)))
#endif /* FD_SET */
#endif /* SELECT */
/*
M ACROS FOR CONVERTING CHARACTERS
*/
#ifndef TOASCII
#define TOASCII(c) (c)
#define FROMASCII(c) (c)
#endif
/*
CACHE FILE PREFIX
This is something onto which we tag something meaningful to make a cache file name.
used in HTWSRC.c at least. If it is nor defined at all, caching is turned off.
*/
#ifndef CACHE_FILE_PREFIX
#ifdef unix
#define CACHE_FILE_PREFIX "/usr/wsrc/"
#endif
#endif
#endif /* TCP_H */
/*
end of system-specific file */
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