Mercurial > vim
view src/os_unix.h @ 22856:3b476f974406 v8.2.1975
patch 8.2.1975: Win32: memory leak when encoding conversion fails
Commit: https://github.com/vim/vim/commit/bbf9f344afd08954163191ed678352fb554fc254
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Nov 10 22:03:40 2020 +0100
patch 8.2.1975: Win32: memory leak when encoding conversion fails
Problem: Win32: memory leak when encoding conversion fails.
Solution: Free the allocated memory. (Ken Takata, closes https://github.com/vim/vim/issues/7277)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 10 Nov 2020 22:15:03 +0100 |
parents | 05b4efb062a7 |
children | bdda90ed5f6c |
line wrap: on
line source
/* 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 mch_remove(x) delete((char *)(x)) # define vim_mkdir(x, y) mkdir((char *)(x), y) # 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 // List 3 arg systems here. I guess __sgi, please test and correct me. jw. #if defined(__sgi) && defined(HAVE_SIGCONTEXT) # define SIGHAS3ARGS #endif #ifdef SIGHASARG # ifdef SIGHAS3ARGS # define SIGPROTOARG (int, int, struct sigcontext *) # define SIGDEFARG(s) (s, sig2, scont) int s, sig2; struct sigcontext *scont; # define SIGDUMMYARG 0, 0, (struct sigcontext *)0 # else # define SIGPROTOARG (int) # define SIGDEFARG(s) (s) int s UNUSED; # define SIGDUMMYARG 0 # endif #else # define SIGPROTOARG (void) # define SIGDEFARG(s) () # define SIGDUMMYARG #endif #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 // on some systems time.h should not be included together with sys/time.h #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME) # include <time.h> #endif #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$routines.h> # include <libdef.h> # include <libdtdef.h> # ifdef FEAT_GUI_GTK # include "gui_gtk_vms.h" # endif #endif #ifdef HAVE_FLOCK # include <sys/file.h> #endif #endif // PROTO #ifdef VMS typedef struct dsc$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 "$VIMRUNTIME/doc/help.txt" #endif #ifndef FILETYPE_FILE # define FILETYPE_FILE "filetype.vim" #endif #ifndef FTPLUGIN_FILE # define FTPLUGIN_FILE "ftplugin.vim" #endif #ifndef INDENT_FILE # define INDENT_FILE "indent.vim" #endif #ifndef FTOFF_FILE # define FTOFF_FILE "ftoff.vim" #endif #ifndef FTPLUGOF_FILE # define FTPLUGOF_FILE "ftplugof.vim" #endif #ifndef INDOFF_FILE # define INDOFF_FILE "indoff.vim" #endif #ifndef SYS_MENU_FILE # define SYS_MENU_FILE "$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)