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Diffstat (limited to '')
| -rw-r--r-- | src/os_unix.h | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/src/os_unix.h b/src/os_unix.h new file mode 100644 index 0000000..4c77e15 --- /dev/null +++ b/src/os_unix.h @@ -0,0 +1,470 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + */ + +/* + * NextStep has a problem with configure, undefine a few things: + */ +#ifdef NeXT +# ifdef HAVE_UTIME +# undef HAVE_UTIME +# endif +# ifdef HAVE_SYS_UTSNAME_H +# undef HAVE_SYS_UTSNAME_H +# endif +#endif + +#include <stdio.h> +#include <ctype.h> + +#ifdef VAXC +# include <types.h> +# include <stat.h> +#else +# include <sys/types.h> +# include <sys/stat.h> +#endif + +#ifdef HAVE_STDLIB_H +# include <stdlib.h> +#endif + +#ifdef __CYGWIN__ +# define WIN32UNIX // Compiling for Win32 using Unix files. +# define BINARY_FILE_IO + +# define CASE_INSENSITIVE_FILENAME +# define USE_FNAME_CASE // Fix filename case differences. +#endif + +// On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and +// unistd.h. This hack should fix that (suggested by Jeff George). +// But on AIX 4.3 it's alright (suggested by Jake Hamby). +#if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO) +# define _NO_PROTO +#endif + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef HAVE_LIBC_H +# include <libc.h> // for NeXT +#endif + +#ifdef HAVE_SYS_PARAM_H +# include <sys/param.h> // defines BSD, if it's a BSD system +#endif + +/* + * Using getcwd() is preferred, because it checks for a buffer overflow. + * Don't use getcwd() on systems do use system("sh -c pwd"). There is an + * autoconf check for this. + * Use getcwd() anyway if getwd() isn't present. + */ +#if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD)) +# define USE_GETCWD +#endif + +// always use unlink() to remove files +#ifndef PROTO +# ifdef VMS +# define vim_mkdir(x, y) mkdir((char *)vms_fixfilename(x), y) +# define mch_rmdir(x) delete((char *)vms_fixfilename(x)) +# define mch_remove(x) delete((char *)vms_fixfilename(x)) +# else +# define vim_mkdir(x, y) mkdir((char *)(x), y) +# define mch_rmdir(x) rmdir((char *)(x)) +# define mch_remove(x) unlink((char *)(x)) +# endif +#endif + +// The number of arguments to a signal handler is configured here. +// It used to be a long list of almost all systems. Any system that doesn't +// have an argument??? +#define SIGHASARG + +#ifdef SIGHASARG +# define SIGPROTOARG (int) +# define SIGDEFARG(s) (int s UNUSED) +# define SIGDUMMYARG 0 +#else +# define SIGPROTOARG (void) +# define SIGDEFARG(s) () +# define SIGDUMMYARG +#endif + +typedef void (*sighandler_T) SIGPROTOARG; + +#ifdef HAVE_DIRENT_H +# include <dirent.h> +# ifndef NAMLEN +# define NAMLEN(dirent) strlen((dirent)->d_name) +# endif +#else +# define dirent direct +# define NAMLEN(dirent) (dirent)->d_namlen +# if HAVE_SYS_NDIR_H +# include <sys/ndir.h> +# endif +# if HAVE_SYS_DIR_H +# include <sys/dir.h> +# endif +# if HAVE_NDIR_H +# include <ndir.h> +# endif +#endif + +#include <time.h> +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif + +#include <signal.h> + +#if defined(DIRSIZ) && !defined(MAXNAMLEN) +# define MAXNAMLEN DIRSIZ +#endif + +#if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN) +# define MAXNAMLEN UFS_MAXNAMLEN // for dynix/ptx +#endif + +#if defined(NAME_MAX) && !defined(MAXNAMLEN) +# define MAXNAMLEN NAME_MAX // for Linux before .99p3 +#endif + +/* + * Note: if MAXNAMLEN has the wrong value, you will get error messages + * for not being able to open the swap file. + */ +#if !defined(MAXNAMLEN) +# define MAXNAMLEN 512 // for all other Unix +#endif + +#define BASENAMELEN (MAXNAMLEN - 5) + +#ifdef HAVE_PWD_H +# include <pwd.h> +#endif + +#if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \ + || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \ + || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF) +# define HAVE_TOTAL_MEM +#endif + + +#ifndef PROTO + +#ifdef VMS +# include <unixio.h> +# include <unixlib.h> +# include <signal.h> +# include <file.h> +# include <ssdef.h> +# include <descrip.h> +# include <libclidef.h> +# include <lnmdef.h> +# include <psldef.h> +# include <prvdef.h> +# include <dvidef.h> +# include <dcdef.h> +# include <stsdef.h> +# include <iodef.h> +# include <ttdef.h> +# include <tt2def.h> +# include <jpidef.h> +# include <rms.h> +# include <trmdef.h> +# include <string.h> +# include <starlet.h> +# include <socket.h> +# include <lib$routines.h> +# include <libdef.h> +# include <libdtdef.h> + +# if defined(FEAT_GUI_MOTIF) +# define XFree XFREE +# define XmRepTypeInstallTearOffModelCon XMREPTYPEINSTALLTEAROFFMODELCON +# endif +#endif // VMS + +#ifdef HAVE_FLOCK +# include <sys/file.h> +#endif + +#endif // PROTO + +#ifdef VMS +typedef struct dsc$descriptor DESC; +#endif + +/* + * Unix system-dependent file names + */ +#ifndef SYS_VIMRC_FILE +# define SYS_VIMRC_FILE "$VIM/vimrc" +#endif +#ifndef SYS_GVIMRC_FILE +# define SYS_GVIMRC_FILE "$VIM/gvimrc" +#endif +#ifndef DFLT_HELPFILE +# define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt" +#endif +#ifndef SYS_MENU_FILE +# define SYS_MENU_FILE "$VIMRUNTIME/menu.vim" +#endif + +#ifndef USR_EXRC_FILE +# ifdef VMS +# define USR_EXRC_FILE "sys$login:.exrc" +# else +# define USR_EXRC_FILE "$HOME/.exrc" +# endif +#endif + +#if !defined(USR_EXRC_FILE2) && defined(VMS) +# define USR_EXRC_FILE2 "sys$login:_exrc" +#endif + +#ifndef USR_VIMRC_FILE +# ifdef VMS +# define USR_VIMRC_FILE "sys$login:.vimrc" +# else +# define USR_VIMRC_FILE "$HOME/.vimrc" +# endif +#endif + + +#if !defined(USR_VIMRC_FILE2) +# ifdef VMS +# define USR_VIMRC_FILE2 "sys$login:vimfiles/vimrc" +# else +# define USR_VIMRC_FILE2 "~/.vim/vimrc" +# endif +#endif + +#if !defined(USR_VIMRC_FILE3) && defined(VMS) +# define USR_VIMRC_FILE3 "sys$login:_vimrc" +#endif + +#ifndef USR_GVIMRC_FILE +# ifdef VMS +# define USR_GVIMRC_FILE "sys$login:.gvimrc" +# else +# define USR_GVIMRC_FILE "$HOME/.gvimrc" +# endif +#endif + +#ifndef USR_GVIMRC_FILE2 +# ifdef VMS +# define USR_GVIMRC_FILE2 "sys$login:vimfiles/gvimrc" +# else +# define USR_GVIMRC_FILE2 "~/.vim/gvimrc" +# endif +#endif + +#ifdef VMS +# ifndef USR_GVIMRC_FILE3 +# define USR_GVIMRC_FILE3 "sys$login:_gvimrc" +# endif +#endif + +#ifndef VIM_DEFAULTS_FILE +# define VIM_DEFAULTS_FILE "$VIMRUNTIME/defaults.vim" +#endif + +#ifndef EVIM_FILE +# define EVIM_FILE "$VIMRUNTIME/evim.vim" +#endif + +#ifdef FEAT_VIMINFO +# ifndef VIMINFO_FILE +# ifdef VMS +# define VIMINFO_FILE "sys$login:.viminfo" +# else +# define VIMINFO_FILE "$HOME/.viminfo" +# endif +# endif +# if !defined(VIMINFO_FILE2) && defined(VMS) +# define VIMINFO_FILE2 "sys$login:_viminfo" +# endif +#endif + +#ifndef EXRC_FILE +# define EXRC_FILE ".exrc" +#endif + +#ifndef VIMRC_FILE +# define VIMRC_FILE ".vimrc" +#endif + +#ifdef FEAT_GUI +# ifndef GVIMRC_FILE +# define GVIMRC_FILE ".gvimrc" +# endif +#endif + +#ifndef SYNTAX_FNAME +# define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim" +#endif + +#ifndef DFLT_BDIR +# ifdef VMS +# define DFLT_BDIR "./,sys$login:,tmp:" +# else +# define DFLT_BDIR ".,~/tmp,~/" // default for 'backupdir' +# endif +#endif + +#ifndef DFLT_DIR +# ifdef VMS +# define DFLT_DIR "./,sys$login:,tmp:" +# else +# define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" // default for 'directory' +# endif +#endif + +#ifndef DFLT_VDIR +# ifdef VMS +# define DFLT_VDIR "sys$login:vimfiles/view" +# else +# define DFLT_VDIR "$HOME/.vim/view" // default for 'viewdir' +# endif +#endif + +#define DFLT_ERRORFILE "errors.err" + +#ifndef DFLT_RUNTIMEPATH + +# ifdef VMS +# define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after" +# define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after" +# else +# ifdef RUNTIME_GLOBAL +# ifdef RUNTIME_GLOBAL_AFTER +# define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after" +# define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER +# else +# define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after" +# define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after" +# endif +# else +# define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after" +# define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after" +# endif +# endif + +#endif + +#ifdef VMS +# ifndef VAX +# define VMS_TEMPNAM // to fix default .LIS extension +# endif +# define TEMPNAME "TMP:v?XXXXXX.txt" +# define TEMPNAMELEN 28 +#else +// Try several directories to put the temp files. +# define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME" +# define TEMPNAMELEN 256 +#endif + +// Special wildcards that need to be handled by the shell +#define SPECIAL_WILDCHAR "`'{" + +/* + * Unix has plenty of memory, use large buffers + */ +#define CMDBUFFSIZE 1024 // size of the command processing buffer + +// Use the system path length if it makes sense. +#if defined(PATH_MAX) && (PATH_MAX > 1000) +# define MAXPATHL PATH_MAX +#else +# define MAXPATHL 1024 +#endif + +#define CHECK_INODE // used when checking if a swap file already + // exists for a file +#ifdef VMS // Use less memory because of older systems +# ifndef DFLT_MAXMEM +# define DFLT_MAXMEM (2*1024) +# endif +# ifndef DFLT_MAXMEMTOT +# define DFLT_MAXMEMTOT (5*1024) +# endif +#else +# ifndef DFLT_MAXMEM +# define DFLT_MAXMEM (5*1024) // use up to 5 Mbyte for a buffer +# endif +# ifndef DFLT_MAXMEMTOT +# define DFLT_MAXMEMTOT (10*1024) // use up to 10 Mbyte for Vim +# endif +#endif + +// memmove() is not present on all systems, use memmove, bcopy or memcpy. +// Some systems have (void *) arguments, some (char *). If we use (char *) it +// works for all +#if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY)) +# define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len) +#else +# ifdef USEBCOPY +# define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len) +# else + // ifdef USEMEMCPY +# define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len) +# endif +#endif + +#ifndef PROTO +# ifdef HAVE_RENAME +# define mch_rename(src, dst) rename(src, dst) +# else +int mch_rename(const char *src, const char *dest); +# endif +# ifndef VMS +# ifdef __MVS__ + // on OS390 Unix getenv() doesn't return a pointer to persistent + // storage -> use __getenv() +# define mch_getenv(x) (char_u *)__getenv((char *)(x)) +# else +# define mch_getenv(x) (char_u *)getenv((char *)(x)) +# endif +# define mch_setenv(name, val, x) setenv(name, val, x) +# endif +#endif + +// Note: Some systems need both string.h and strings.h (Savage). However, +// some systems can't handle both, only use string.h in that case. +#ifdef HAVE_STRING_H +# include <string.h> +#endif +#if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H) +# include <strings.h> +#endif + +#if defined(HAVE_SETJMP_H) +# include <setjmp.h> +# ifdef HAVE_SIGSETJMP +# define JMP_BUF sigjmp_buf +# define SETJMP(x) sigsetjmp((x), 1) +# define LONGJMP siglongjmp +# else +# define JMP_BUF jmp_buf +# define SETJMP(x) setjmp(x) +# define LONGJMP longjmp +# endif +#endif + +#ifndef HAVE_DUP +# define HAVE_DUP // have dup() +#endif +#define HAVE_ST_MODE // have stat.st_mode + +// We have three kinds of ACL support. +#define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL) |