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Diffstat (limited to 'Xos.h')
| -rw-r--r-- | Xos.h | 232 |
1 files changed, 232 insertions, 0 deletions
@@ -0,0 +1,232 @@ +/* + * $Xorg: Xos.h,v 1.6 2001/02/09 02:03:22 xorgcvs Exp $ + * + * +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + * + * The X Window System is a Trademark of The Open Group. + * + */ + +/* This is a collection of things to try and minimize system dependencies + * in a "signficant" number of source files. + */ + +#ifndef _XOS_H_ +#define _XOS_H_ + +#include <X11/Xosdefs.h> + +/* + * Get major data types (esp. caddr_t) + */ + +#ifdef USG +#ifndef __TYPES__ +#ifdef CRAY +#define word word_t +#endif /* CRAY */ +#include <sys/types.h> /* forgot to protect it... */ +#define __TYPES__ +#endif /* __TYPES__ */ +#else /* USG */ +#if defined(_POSIX_SOURCE) && (defined(MOTOROLA) || defined(AMOEBA)) +#undef _POSIX_SOURCE +#include <sys/types.h> +#define _POSIX_SOURCE +#else +#include <sys/types.h> +#endif +#endif /* USG */ + +#ifdef _SEQUENT_ +/* + * in_systm.h compatibility between SysV and BSD types u_char u_short u_long + * select.h for typedef of args to select, fd_set, may use SVR4 later + */ +#include <netinet/in_systm.h> +#include <sys/select.h> +#endif /* _SEQUENT_ */ + +/* + * Just about everyone needs the strings routines. We provide both forms here, + * index/rindex and strchr/strrchr, so any systems that don't provide them all + * need to have #defines here. + * + * These macros are defined this way, rather than, e.g.: + * #defined index(s,c) strchr(s,c) + * because someone might be using them as function pointers, and such + * a change would break compatibility for anyone who's relying on them + * being the way they currently are. So we're stuck with them this way, + * which can be really inconvenient. :-( + */ + +#ifndef X_NOT_STDC_ENV + +#include <string.h> +#ifndef index +#define index strchr +#endif +#ifndef rindex +#define rindex strrchr +#endif + +#else + +#ifdef SYSV +#include <string.h> +#define index strchr +#define rindex strrchr +#else +#include <strings.h> +#define strchr index +#define strrchr rindex +#endif + +#endif /* X_NOT_STDC_ENV */ + +/* + * strerror() + */ +#if defined(X_NOT_STDC_ENV) || (defined(sun) && !defined(SVR4)) || defined(macII) +#ifndef strerror +extern char *sys_errlist[]; +extern int sys_nerr; +#define strerror(n) \ + (((n) >= 0 && (n) < sys_nerr) ? sys_errlist[n] : "unknown error") +#endif +#endif + +/* + * Get open(2) constants + */ +#ifdef X_NOT_POSIX +#include <fcntl.h> +#if defined(USL) || defined(CRAY) || defined(MOTOROLA) || (defined(i386) && (defined(SYSV) || defined(SVR4))) || defined(__sxg__) +#include <unistd.h> +#endif +#ifdef WIN32 +#include <X11/Xw32defs.h> +#else +#include <sys/file.h> +#endif +#else /* X_NOT_POSIX */ +#if !defined(_POSIX_SOURCE) && defined(macII) +#define _POSIX_SOURCE +#include <fcntl.h> +#include <unistd.h> +#undef _POSIX_SOURCE +#else +#include <fcntl.h> +#include <unistd.h> +#endif +#endif /* X_NOT_POSIX else */ + +/* + * Get struct timeval + */ + +#if defined(SYSV) && !defined(_SEQUENT_) + +#ifndef USL +#include <sys/time.h> +#endif +#include <time.h> +#ifdef CRAY +#undef word +#endif /* CRAY */ +#if defined(USG) && !defined(CRAY) && !defined(MOTOROLA) && !defined(uniosu) && !defined(__sxg__) +struct timeval { + long tv_sec; + long tv_usec; +}; +#ifndef USL_SHARELIB +struct timezone { + int tz_minuteswest; + int tz_dsttime; +}; +#endif /* USL_SHARELIB */ +#endif /* USG */ + +#ifdef _SEQUENT_ +struct timezone { + int tz_minuteswest; + int tz_dsttime; +}; +#endif /* _SEQUENT_ */ + +#else /* not SYSV */ + +#if defined(_POSIX_SOURCE) && defined(SVR4) +/* need to omit _POSIX_SOURCE in order to get what we want in SVR4 */ +#undef _POSIX_SOURCE +#include <sys/time.h> +#define _POSIX_SOURCE +#else /* defined(_POSIX_SOURCE) && defined(SVR4) */ +#ifdef WIN32 +#include <time.h> +#if !defined(_WINSOCKAPI_) && !defined(_WILLWINSOCK_) +struct timeval { + long tv_sec; /* seconds */ + long tv_usec; /* and microseconds */ +}; +#endif +#include <sys/timeb.h> +#define gettimeofday(t) \ +{ \ + struct _timeb _gtodtmp; \ + _ftime (&_gtodtmp); \ + (t)->tv_sec = _gtodtmp.time; \ + (t)->tv_usec = _gtodtmp.millitm * 1000; \ +} +#else /* WIN32 */ +#ifdef _SEQUENT_ +#include <time.h> +#endif /* _SEQUENT_ */ +#include <sys/time.h> +#endif /* WIN32 else */ +#endif /* defined(_POSIX_SOURCE) && defined(SVR4) */ + +#endif /* SYSV */ + +/* define X_GETTIMEOFDAY macro, a portable gettimeofday() */ +#if defined(_XOPEN_XPG4) || defined(_XOPEN_UNIX) /* _XOPEN_UNIX is XPG4.2 */ +#define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0) +#else +#if defined(SVR4) || defined(VMS) || defined(WIN32) +#define X_GETTIMEOFDAY(t) gettimeofday(t) +#else +#define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0) +#endif +#endif /* XPG4 else */ + +/* use POSIX name for signal */ +#if defined(X_NOT_POSIX) && defined(SYSV) && !defined(SIGCHLD) +#define SIGCHLD SIGCLD +#endif + +#ifdef ISC +#include <sys/bsdtypes.h> +#endif + +#endif /* _XOS_H_ */ |