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stdfn.h
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stdfn.h
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/*
* $Id: stdfn.h,v 1.16 1998/11/20 12:17:38 lhecking Exp $
*
*/
/* GNUPLOT - stdfn.h */
/*[
* Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or 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.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/* get prototypes or declarations for string and stdlib functions and deal
with missing functions like strchr. */
/* we will assume the ANSI/Posix/whatever situation as default.
the header file is called string.h and the index functions are called
strchr, strrchr. Exceptions have to be listed explicitly */
#ifndef STDFN_H
#define STDFN_H
#include <ctype.h>
#include <stdio.h>
#include "syscfg.h"
#ifndef NO_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef HAVE_BCOPY
void bcopy ();
# ifdef NO_MEMCPY
# define memcpy(d,s,n) bcopy((s),(d),(n))
# endif
# ifdef NO_MEMMOVE
# define memmove(d,s,n) bcopy((s),(d),(n))
# endif
#endif /* HAVE_BCOPY */
#ifdef NO_STRCHR
# ifdef strchr
# undef strchr
# endif
#ifdef HAVE_INDEX
# define strchr index
#endif
# ifdef strrchr
# undef strrchr
# endif
# ifdef HAVE_RINDEX
# define strrchr rindex
# endif
#endif
#ifdef NO_STDLIB_H
# ifdef HAVE_MALLOC_H
# include <malloc.h>
# else
void free();
char *malloc();
char *realloc();
# endif /* HAVE_MALLOC_H */
char *getenv();
int system();
double atof();
int atoi();
long atol();
double strtod();
#else /* !NO_STDLIB_H */
# include <stdlib.h>
# ifndef VMS
# ifndef EXIT_FAILURE
# define EXIT_FAILURE (1)
# endif
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS (0)
# endif
# else /* VMS */
# ifdef VAXC /* replacement values suppress some messages */
# ifdef EXIT_FAILURE
# undef EXIT_FAILURE
# endif
# ifdef EXIT_SUCCESS
# undef EXIT_SUCCESS
# endif
# endif /* VAXC */
# ifndef EXIT_FAILURE
# define EXIT_FAILURE 0x10000002
# endif
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 1
# endif
# endif /* VMS */
#endif /* !NO_STDLIB_H */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#else
# ifdef HAVE_LIBC_H /* NeXT uses libc instead of unistd */
# include <libc.h>
# endif
#endif /* HAVE_UNISTD_H */
#ifndef NO_ERRNO_H
# include <errno.h>
#endif
# ifdef EXTERN_ERRNO
extern int errno;
#endif
#ifndef NO_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
/* This is all taken from GNU fileutils lib/filemode.h */
#if !S_IRUSR
# if S_IREAD
# define S_IRUSR S_IREAD
# else
# define S_IRUSR 00400
# endif
#endif
#if !S_IWUSR
# if S_IWRITE
# define S_IWUSR S_IWRITE
# else
# define S_IWUSR 00200
# endif
#endif
#if !S_IXUSR
# if S_IEXEC
# define S_IXUSR S_IEXEC
# else
# define S_IXUSR 00100
# endif
#endif
#ifdef STAT_MACROS_BROKEN
# undef S_ISBLK
# undef S_ISCHR
# undef S_ISDIR
# undef S_ISFIFO
# undef S_ISLNK
# undef S_ISMPB
# undef S_ISMPC
# undef S_ISNWK
# undef S_ISREG
# undef S_ISSOCK
#endif /* STAT_MACROS_BROKEN. */
#if !defined(S_ISBLK) && defined(S_IFBLK)
# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#endif
#if !defined(S_ISCHR) && defined(S_IFCHR)
# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#endif
#if !defined(S_ISDIR) && defined(S_IFDIR)
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#if !defined(S_ISREG) && defined(S_IFREG)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
#if !defined(S_ISFIFO) && defined(S_IFIFO)
# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#endif
#if !defined(S_ISLNK) && defined(S_IFLNK)
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
#endif
#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
#endif
#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
#endif /* HAVE_SYS_STAT_H */
#ifndef NO_LIMITS_H
# include <limits.h>
#else
# ifdef HAVE_VALUES_H
# include <values.h>
# endif /* HAVE_VALUES_H */
#endif /* !NO_LIMITS_H */
#ifdef NO_TIME_H
# ifndef time_t /* should be #defined by config.h, then... */
# define time_t long
# endif
#else
# include <time.h> /* ctime etc, should also define time_t and struct tm */
#endif
#if defined(PIPES) && (defined(VMS) || (defined(OSK) && defined(_ANSI_EXT))) || defined(PIPES) && defined(AMIGA_SC_6_1)
FILE *popen __PROTO((char *, char *));
int pclose __PROTO((FILE *));
#endif
#ifndef NO_FLOAT_H
# include <float.h>
#endif
#ifndef NO_LOCALE_H
# include <locale.h>
#endif
#ifndef NO_MATH_H
# include <math.h>
#endif
#ifndef HAVE_STRNICMP
# ifdef HAVE_STRNCASECMP
# define strnicmp strncasecmp
# else
int strnicmp __PROTO((char *, char *, int));
# endif
#endif
/* Argument types for select() */
#ifdef SELECT_TYPE_ARG1
# define gp_nfds_t SELECT_TYPE_ARG1
#else
# define gp_nfds_t int
#endif /* 1 */
#ifdef SELECT_TYPE_ARG234
# define gp_fd_set_p SELECT_TYPE_ARG234
#else
# ifndef __EMX__
# define gp_fd_set_p (int *)
# else
# define gp_fd_set_p (fd_set *)
# endif
#endif /* 234 */
#ifdef SELECT_TYPE_ARG5
# define gp_timeval_p SELECT_TYPE_ARG5
#else
# define gp_timeval_p (struct timeval *)
#endif /* 5 */
#ifndef GP_GETCWD
# if defined(HAVE_GETCWD)
# define GP_GETCWD(path,len) getcwd (path, len)
# else
# define GP_GETCWD(path,len) getwd (path)
# endif
#endif
#ifndef GP_SLEEP
# ifdef __ZTC__
# define GP_SLEEP(delay) usleep ((unsigned long) (delay))
# else
# define GP_SLEEP(delay) sleep ((unsigned int) (delay))
# endif
#endif
/* Misc. defines */
/* Null character */
#define NUL ('\0')
/* Definitions for debugging */
/* #define NDEBUG */
#include <assert.h>
#ifdef DEBUG
# define DEBUG_WHERE do { fprintf(stderr,"%s:%d ",__FILE__,__LINE__); } while (0)
# define FPRINTF(a) do { DEBUG_WHERE; fprintf a; } while (0)
#else
# define DEBUG_WHERE /* nought */
# define FPRINTF(a) /* nought */
#endif /* DEBUG */
#endif /* STDFN_H */