diff options
Diffstat (limited to 'system.h')
| -rw-r--r-- | system.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/system.h b/system.h new file mode 100644 index 0000000..51fd0ae --- /dev/null +++ b/system.h @@ -0,0 +1,260 @@ +/* system.h: system-dependent declarations; include this first. + $Id: system.h,v 1.10 2008/07/26 17:13:26 karl Exp $ + + Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, + 2006, 2007, 2008 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef TEXINFO_SYSTEM_H +#define TEXINFO_SYSTEM_H + +#define _GNU_SOURCE + +#include <config.h> + +#ifdef MIKTEX +#include <gnu-miktex.h> +#define S_ISDIR(x) ((x)&_S_IFDIR) +#else +/* MiKTeX defines substring() in a separate DLL, where it has its + own __declspec declaration. We don't want to try to duplicate + this Microsoft-ism here. */ +extern char *substring (const char *, const char *); +#endif + +/* Assume ANSI C89 headers are available. */ +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +/* Use POSIX headers. If they are not available, we use the substitute + provided by gnulib. */ +#include <getopt.h> +#include <unistd.h> + +/* For gettext (NLS). */ +#define const +#include "gettext.h" +#undef const + +#define _(String) gettext (String) +#define N_(String) (String) + +/* Additional gnulib includes. */ +#include "mbchar.h" +#include "mbswidth.h" +#include "xalloc.h" +#include "xsetenv.h" +#if HAVE_MBRTOWC +#include "mbiter.h" +#endif + +#include <errno.h> +#ifndef errno +extern int errno; +#endif +#ifdef VMS +#include <perror.h> +#endif + +#ifndef HAVE_DECL_STRERROR +extern char *strerror (); +#endif + +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#ifndef PATH_MAX +#ifndef _POSIX_PATH_MAX +# define _POSIX_PATH_MAX 255 +#endif +#define PATH_MAX _POSIX_PATH_MAX +#endif + +#ifndef HAVE_DECL_STRCOLL +extern int strcoll (); +#endif + +#include <sys/stat.h> +#if STAT_MACROS_BROKEN +# undef S_ISDIR +#endif +#if !defined(S_ISDIR) && defined(S_IFDIR) +# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) +#endif + +#ifdef HAVE_SYS_FILE_H +#include <sys/file.h> +#endif /* HAVE_SYS_FILE_H */ + +#ifndef O_RDONLY +/* Since <fcntl.h> is POSIX, prefer that to <sys/fcntl.h>. + This also avoids some useless warnings on (at least) Linux. */ +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#else /* not HAVE_FCNTL_H */ +#ifdef HAVE_SYS_FCNTL_H +#include <sys/fcntl.h> +#endif /* not HAVE_SYS_FCNTL_H */ +#endif /* not HAVE_FCNTL_H */ +#endif /* not O_RDONLY */ + +/* MS-DOS and similar non-Posix systems have some peculiarities: + - they distinguish between binary and text files; + - they use both `/' and `\\' as directory separator in file names; + - they can have a drive letter X: prepended to a file name; + - they have a separate root directory on each drive; + - their filesystems are case-insensitive; + - directories in environment variables (like INFOPATH) are separated + by `;' rather than `:'; + - text files can have their lines ended either with \n or with \r\n pairs; + These are all parameterized here except the last, which is + handled by the source code as appropriate (mostly, in info/). */ +#ifndef O_BINARY +# ifdef _O_BINARY +# define O_BINARY _O_BINARY +# else +# define O_BINARY 0 +# endif +#endif /* O_BINARY */ + +/* We'd like to take advantage of _doprnt if it's around, a la error.c, + but then we'd have no VA_SPRINTF. */ +#if HAVE_VPRINTF +# if __STDC__ +# include <stdarg.h> +# define VA_START(args, lastarg) va_start(args, lastarg) +# else +# include <varargs.h> +# define VA_START(args, lastarg) va_start(args) +# endif +# define VA_FPRINTF(file, fmt, ap) vfprintf (file, fmt, ap) +# define VA_SPRINTF(str, fmt, ap) vsprintf (str, fmt, ap) +#else /* not HAVE_VPRINTF */ +# define VA_START(args, lastarg) +# define va_alist a1, a2, a3, a4, a5, a6, a7, a8 +# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8; +# define va_end(args) +#endif + +#if O_BINARY +# ifdef HAVE_IO_H +# include <io.h> +# endif +# ifdef __MSDOS__ +# include <limits.h> +# ifdef __DJGPP__ +# define HAVE_LONG_FILENAMES(dir) (pathconf (dir, _PC_NAME_MAX) > 12) +# define NULL_DEVICE "/dev/null" +# define DEFAULT_INFOPATH "c:/djgpp/info;/usr/local/info;/usr/info;." + /* DJGPP supports /dev/null, which is okay for Unix aficionados, + shell scripts and Makefiles, but interactive DOS die-hards + would probably want to have NUL as well. */ +# define ALSO_NULL_DEVICE "NUL" +# else /* O_BINARY && !__DJGPP__ */ +# define HAVE_LONG_FILENAMES(dir) (0) +# define NULL_DEVICE "NUL" +# endif /* O_BINARY && !__DJGPP__ */ +# define SET_SCREEN_SIZE_HELPER terminal_prep_terminal() +# define DEFAULT_INFO_PRINT_COMMAND ">PRN" +# else /* O_BINARY && !__MSDOS__ */ +# define setmode(f,m) _setmode(f,m) +# define HAVE_LONG_FILENAMES(dir) (1) +# define NULL_DEVICE "NUL" +# endif /* O_BINARY && !__MSDOS__ */ +# ifdef __CYGWIN__ +# define DEFAULT_TMPDIR "/tmp/" +# define PATH_SEP ":" +# define STRIP_DOT_EXE 0 +# undef NULL_DEVICE +# define NULL_DEVICE "/dev/null" +# define PIPE_USE_FORK 1 +# else /* O_BINARY && !__CYGWIN__ */ +# define DEFAULT_TMPDIR "c:/" +# define PATH_SEP ";" +# define STRIP_DOT_EXE 1 +# endif /* O_BINARY && !__CYGWIN__ */ + /* Back to any O_BINARY system. */ +# define FILENAME_CMP mbscasecmp +# define FILENAME_CMPN mbsncasecmp +# define FOPEN_RBIN "rb" +# define FOPEN_WBIN "wb" +# define HAVE_DRIVE(n) ((n)[0] && (n)[1] == ':') +# define IS_SLASH(c) ((c) == '/' || (c) == '\\') +# define IS_ABSOLUTE(n) (IS_SLASH((n)[0]) || HAVE_DRIVE(n)) +# define PIPE_USE_FORK 0 +# define SET_BINARY(f) do {if (!isatty(f)) setmode(f,O_BINARY);} while(0) + +#else /* not O_BINARY, i.e., Unix */ +# define SET_BINARY(f) (void)0 +# define FOPEN_RBIN "r" +# define FOPEN_WBIN "w" +# define IS_SLASH(c) ((c) == '/') +# define HAVE_DRIVE(n) (0) +# define IS_ABSOLUTE(n) ((n)[0] == '/') +# define FILENAME_CMP strcmp +# define FILENAME_CMPN strncmp +# define HAVE_LONG_FILENAMES(dir) (1) +# define PATH_SEP ":" +# define STRIP_DOT_EXE 0 +# ifdef VMS +# define DEFAULT_TMPDIR "sys$scratch:" +# else +# define DEFAULT_TMPDIR "/tmp/" +# endif +# define NULL_DEVICE "/dev/null" +# define PIPE_USE_FORK 1 +#endif /* not O_BINARY */ + +/* Everything but DJGPP. */ +#ifndef ALSO_NULL_DEVICE +# define ALSO_NULL_DEVICE "" +#endif + +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +/* Some systems don't declare this function in pwd.h. */ +struct passwd *getpwnam (const char *name); + +/* Our library routines not included in any system library. */ +extern void *xmalloc (size_t), *xrealloc (void *, size_t); +extern char *xstrdup (const char *); +extern void xexit (int); + +/* For convenience. */ +#define STREQ(s1,s2) (strcmp (s1, s2) == 0) +#define STRCASEEQ(s1,s2) (strcasecmp (s1, s2) == 0) +#define STRNCASEEQ(s1,s2,n) (strncasecmp (s1, s2, n) == 0) + +/* We don't need anything fancy. If we did need something fancy, gnulib + has it. */ +#ifdef MIN +#undef MIN +#endif +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#ifdef MAX +#undef MAX +#endif +#define MAX(a,b) ((a) > (b) ? (a) : (b)) + +#ifdef DMALLOC_DEBUG +#define DMALLOC_FUNC_CHECK +#include "dmalloc.h" +#endif + +#endif /* TEXINFO_SYSTEM_H */ |