Assume POSIX 1003.1-1988 or later for dirent.h.
* admin/CPP-DEFINES (HAVE_CLOSEDIR, HAVE_DIRENT_H): Remove. * admin/notes/copyright: Adjust to src/ndir.h -> nt/inc/dirent.h renaming. * configure.ac: Do not check for dirent.h or closdir. * nt/inc/dirent.h: Rename from ../src/ndir.h, with these changes: (struct dirent): Rename from struct direct. All uses changed. * nt/inc/sys/dir.h: Remove. * src/dired.c: Assume HAVE_DIRENT_H. (NAMLEN): Remove, replacing with ... (dirent_namelen): New function. All uses changed. Use the GNU macro _D_EXACT_NAMELEN if available, as it's faster than strlen. (DIRENTRY): Remove, replacing all uses with 'struct dirent'. (DIRENTRY_NONEMPTY): Remove. All callers now assume it's nonzero. * src/makefile.w32-in (DIR_H): Remove. All uses replaced with $(NT_INC)/dirent.h. ($(BLD)/w32.$(O)): Do not depend on $(SRC)/ndir.h. * src/ndir.h: Rename to ../nt/inc/dirent.h. * src/sysdep.h (closedir) [!HAVE_CLOSEDIR]: Remove. Do not include <dirent.h>; no longer needed. * src/w32.c: Include <dirent.h> rather than "ndir.h". Fixes: debbugs:12958
This commit is contained in:
Paul Eggert
parent
6f6b82d66f
commit
95ef7787fb
13 changed files with 136 additions and 161 deletions
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@ -1,3 +1,8 @@
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2012-11-23 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).
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* configure.ac: Do not check for dirent.h or closdir.
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2012-11-21 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for unistd.h (Bug#12945).
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@ -118,7 +118,6 @@ HAVE_CFMAKERAW
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HAVE_CFSETSPEED
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HAVE_CLOCK_GETTIME
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HAVE_CLOCK_SETTIME
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HAVE_CLOSEDIR
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HAVE_COFF_H
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HAVE_COM_ERR_H
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HAVE_COPYSIGN
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@ -143,7 +142,6 @@ HAVE_DES_H
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HAVE_DEV_PTMX
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HAVE_DIALOGS
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HAVE_DIFFTIME
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HAVE_DIRENT_H
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HAVE_DUP2
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HAVE_ENDGRENT
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HAVE_ENDPWENT
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@ -1,3 +1,9 @@
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2012-11-23 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).
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* CPP-DEFINES (HAVE_CLOSEDIR, HAVE_DIRENT_H): Remove.
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* notes/copyright: Adjust to src/ndir.h -> nt/inc/dirent.h renaming.
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2012-11-21 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for unistd.h (Bug#12945).
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@ -380,7 +380,7 @@ Makefile.in does now.
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src/gmalloc.c
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- contains numerous copyrights from the GNU C library. Leave them alone.
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src/ndir.h
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nt/inc/dirent.h
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- see comments below. This file is OK to be released with Emacs
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22, but we may want to revisit it afterwards.
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@ -429,7 +429,7 @@ admin/check-doc-strings
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File says it's in the public domain, but that might not make it so.
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etc/e/eterm-color.ti
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src/ndir.h
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nt/inc/dirent.h
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On legal advice from Matt Norwood, the following comment was added
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to these files in Feb/Mar 2007:
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@ -1289,7 +1289,7 @@ AC_CHECK_HEADERS_ONCE(
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linux/version.h sys/systeminfo.h
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coff.h pty.h
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sys/vlimit.h sys/resource.h
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sys/utsname.h pwd.h utmp.h dirent.h util.h)
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sys/utsname.h pwd.h utmp.h util.h)
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AC_MSG_CHECKING(if personality LINUX32 can be set)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
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@ -2891,7 +2891,7 @@ AC_SUBST(BLESSMAIL_TARGET)
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AC_CHECK_FUNCS(gethostname \
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closedir getrusage get_current_dir_name \
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getrusage get_current_dir_name \
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lrand48 \
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select getpagesize setlocale \
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utimes getrlimit setrlimit shutdown getaddrinfo \
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@ -1,3 +1,10 @@
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2012-11-23 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).
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* inc/dirent.h: Rename from ../src/ndir.h, with these changes:
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(struct dirent): Rename from struct direct. All uses changed.
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* inc/sys/dir.h: Remove.
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2012-11-21 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for unistd.h (Bug#12945).
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@ -1,7 +1,5 @@
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/*
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<dir.h> -- definitions for 4.2BSD-compatible directory access
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last edit: 09-Jul-1983 D A Gwyn
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<dirent.h> -- definitions for POSIX-compatible directory access
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* The code here is forced by the interface, and is not subject to
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* copyright, constituting the only possible expression of the
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@ -16,7 +14,7 @@
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#endif /* not WINDOWSNT */
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/* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
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struct direct /* data from readdir() */
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struct dirent /* data from readdir() */
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{
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long d_ino; /* inode number of entry */
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unsigned short d_reclen; /* length of this record */
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@ -33,9 +31,8 @@ typedef struct
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} DIR; /* stream data from opendir() */
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extern DIR *opendir (char *);
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extern struct direct *readdir (DIR *);
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extern struct dirent *readdir (DIR *);
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extern void seekdir (DIR *, long);
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extern void closedir (DIR *);
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#define rewinddir( dirp ) seekdir( dirp, 0L )
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@ -1,6 +0,0 @@
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/*
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* map sys\dir.h to ..\..\..\src\ndir.h
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*/
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#include "..\..\..\src\ndir.h"
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@ -1,3 +1,20 @@
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2012-11-23 Paul Eggert <eggert@cs.ucla.edu>
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Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).
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* dired.c: Assume HAVE_DIRENT_H.
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(NAMLEN): Remove, replacing with ...
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(dirent_namelen): New function. All uses changed. Use the GNU macro
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_D_EXACT_NAMELEN if available, as it's faster than strlen.
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(DIRENTRY): Remove, replacing all uses with 'struct dirent'.
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(DIRENTRY_NONEMPTY): Remove. All callers now assume it's nonzero.
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* makefile.w32-in (DIR_H): Remove. All uses replaced with
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$(NT_INC)/dirent.h.
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($(BLD)/w32.$(O)): Do not depend on $(SRC)/ndir.h.
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* ndir.h: Rename to ../nt/inc/dirent.h.
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* sysdep.h (closedir) [!HAVE_CLOSEDIR]: Remove.
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Do not include <dirent.h>; no longer needed.
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* w32.c: Include <dirent.h> rather than "ndir.h".
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2012-11-23 Chong Yidong <cyd@gnu.org>
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* xftfont.c (xftfont_open): Remove duplicate assignment.
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201
src/dired.c
201
src/dired.c
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@ -31,44 +31,10 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <unistd.h>
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/* The d_nameln member of a struct dirent includes the '\0' character
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on some systems, but not on others. What's worse, you can't tell
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at compile-time which one it will be, since it really depends on
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the sort of system providing the filesystem you're reading from,
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not the system you are running on. Paul Eggert
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<eggert@bi.twinsun.com> says this occurs when Emacs is running on a
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SunOS 4.1.2 host, reading a directory that is remote-mounted from a
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Solaris 2.1 host and is in a native Solaris 2.1 filesystem.
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Since applying strlen to the name always works, we'll just do that. */
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#define NAMLEN(p) strlen (p->d_name)
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#define DIRENTRY struct dirent
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#else /* not HAVE_DIRENT_H */
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#include <sys/dir.h>
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#include <sys/stat.h>
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#define DIRENTRY struct direct
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extern DIR *opendir (char *);
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extern struct direct *readdir (DIR *);
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#endif /* HAVE_DIRENT_H */
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#include <filemode.h>
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#include <stat-time.h>
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#ifdef MSDOS
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#define DIRENTRY_NONEMPTY(p) ((p)->d_name[0] != 0)
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#else
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#define DIRENTRY_NONEMPTY(p) ((p)->d_ino)
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#endif
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#include "lisp.h"
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#include "systime.h"
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#include "character.h"
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@ -88,6 +54,17 @@ static Lisp_Object Qfile_attributes_lessp;
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static ptrdiff_t scmp (const char *, const char *, ptrdiff_t);
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/* Return the number of bytes in DP's name. */
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static ptrdiff_t
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dirent_namelen (struct dirent *dp)
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{
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#ifdef _D_EXACT_NAMLEN
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return _D_EXACT_NAMLEN (dp);
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#else
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return strlen (dp->d_name);
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#endif
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}
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#ifdef WINDOWSNT
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Lisp_Object
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directory_files_internal_w32_unwind (Lisp_Object arg)
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@ -124,7 +101,7 @@ directory_files_internal (Lisp_Object directory, Lisp_Object full,
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bool needsep = 0;
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ptrdiff_t count = SPECPDL_INDEX ();
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struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
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DIRENTRY *dp;
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struct dirent *dp;
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#ifdef WINDOWSNT
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Lisp_Object w32_save = Qnil;
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#endif
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@ -209,6 +186,11 @@ directory_files_internal (Lisp_Object directory, Lisp_Object full,
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/* Loop reading blocks until EOF or error. */
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for (;;)
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{
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ptrdiff_t len;
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bool wanted = 0;
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Lisp_Object name, finalname;
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struct gcpro gcpro1, gcpro2;
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errno = 0;
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dp = readdir (d);
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@ -225,89 +207,81 @@ directory_files_internal (Lisp_Object directory, Lisp_Object full,
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if (dp == NULL)
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break;
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if (DIRENTRY_NONEMPTY (dp))
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len = dirent_namelen (dp);
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name = finalname = make_unibyte_string (dp->d_name, len);
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GCPRO2 (finalname, name);
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/* Note: DECODE_FILE can GC; it should protect its argument,
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though. */
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name = DECODE_FILE (name);
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len = SBYTES (name);
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/* Now that we have unwind_protect in place, we might as well
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allow matching to be interrupted. */
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immediate_quit = 1;
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QUIT;
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|
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if (NILP (match)
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|| (0 <= re_search (bufp, SSDATA (name), len, 0, len, 0)))
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wanted = 1;
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immediate_quit = 0;
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if (wanted)
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{
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ptrdiff_t len;
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bool wanted = 0;
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Lisp_Object name, finalname;
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struct gcpro gcpro1, gcpro2;
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len = NAMLEN (dp);
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name = finalname = make_unibyte_string (dp->d_name, len);
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GCPRO2 (finalname, name);
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/* Note: DECODE_FILE can GC; it should protect its argument,
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though. */
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name = DECODE_FILE (name);
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len = SBYTES (name);
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/* Now that we have unwind_protect in place, we might as well
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allow matching to be interrupted. */
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immediate_quit = 1;
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QUIT;
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|
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if (NILP (match)
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|| (0 <= re_search (bufp, SSDATA (name), len, 0, len, 0)))
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wanted = 1;
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immediate_quit = 0;
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if (wanted)
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if (!NILP (full))
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{
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if (!NILP (full))
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{
|
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Lisp_Object fullname;
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ptrdiff_t nbytes = len + directory_nbytes + needsep;
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ptrdiff_t nchars;
|
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Lisp_Object fullname;
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ptrdiff_t nbytes = len + directory_nbytes + needsep;
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ptrdiff_t nchars;
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|
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fullname = make_uninit_multibyte_string (nbytes, nbytes);
|
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memcpy (SDATA (fullname), SDATA (directory),
|
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directory_nbytes);
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fullname = make_uninit_multibyte_string (nbytes, nbytes);
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memcpy (SDATA (fullname), SDATA (directory),
|
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directory_nbytes);
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|
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if (needsep)
|
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SSET (fullname, directory_nbytes, DIRECTORY_SEP);
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if (needsep)
|
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SSET (fullname, directory_nbytes, DIRECTORY_SEP);
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|
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memcpy (SDATA (fullname) + directory_nbytes + needsep,
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SDATA (name), len);
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memcpy (SDATA (fullname) + directory_nbytes + needsep,
|
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SDATA (name), len);
|
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|
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nchars = chars_in_text (SDATA (fullname), nbytes);
|
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nchars = chars_in_text (SDATA (fullname), nbytes);
|
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|
||||
/* Some bug somewhere. */
|
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if (nchars > nbytes)
|
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emacs_abort ();
|
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/* Some bug somewhere. */
|
||||
if (nchars > nbytes)
|
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emacs_abort ();
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|
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STRING_SET_CHARS (fullname, nchars);
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if (nchars == nbytes)
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STRING_SET_UNIBYTE (fullname);
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STRING_SET_CHARS (fullname, nchars);
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if (nchars == nbytes)
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STRING_SET_UNIBYTE (fullname);
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finalname = fullname;
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}
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else
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finalname = name;
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|
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if (attrs)
|
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{
|
||||
/* Construct an expanded filename for the directory entry.
|
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Use the decoded names for input to Ffile_attributes. */
|
||||
Lisp_Object decoded_fullname, fileattrs;
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struct gcpro gcpro1, gcpro2;
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|
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decoded_fullname = fileattrs = Qnil;
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GCPRO2 (decoded_fullname, fileattrs);
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/* Both Fexpand_file_name and Ffile_attributes can GC. */
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decoded_fullname = Fexpand_file_name (name, directory);
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fileattrs = Ffile_attributes (decoded_fullname, id_format);
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list = Fcons (Fcons (finalname, fileattrs), list);
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UNGCPRO;
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}
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else
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list = Fcons (finalname, list);
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finalname = fullname;
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}
|
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else
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finalname = name;
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|
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UNGCPRO;
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if (attrs)
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{
|
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/* Construct an expanded filename for the directory entry.
|
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Use the decoded names for input to Ffile_attributes. */
|
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Lisp_Object decoded_fullname, fileattrs;
|
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struct gcpro gcpro1, gcpro2;
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|
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decoded_fullname = fileattrs = Qnil;
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GCPRO2 (decoded_fullname, fileattrs);
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|
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/* Both Fexpand_file_name and Ffile_attributes can GC. */
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decoded_fullname = Fexpand_file_name (name, directory);
|
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fileattrs = Ffile_attributes (decoded_fullname, id_format);
|
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|
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list = Fcons (Fcons (finalname, fileattrs), list);
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UNGCPRO;
|
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}
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||||
else
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list = Fcons (finalname, list);
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||||
}
|
||||
|
||||
UNGCPRO;
|
||||
}
|
||||
|
||||
block_input ();
|
||||
|
|
@ -442,7 +416,8 @@ These are all file names in directory DIRECTORY which begin with FILE. */)
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|||
return file_name_completion (file, directory, 1, Qnil);
|
||||
}
|
||||
|
||||
static int file_name_completion_stat (Lisp_Object dirname, DIRENTRY *dp, struct stat *st_addr);
|
||||
static int file_name_completion_stat (Lisp_Object dirname, struct dirent *dp,
|
||||
struct stat *st_addr);
|
||||
static Lisp_Object Qdefault_directory;
|
||||
|
||||
static Lisp_Object
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||||
|
|
@ -499,7 +474,7 @@ file_name_completion (Lisp_Object file, Lisp_Object dirname, bool all_flag,
|
|||
/* (att3b compiler bug requires do a null comparison this way) */
|
||||
while (1)
|
||||
{
|
||||
DIRENTRY *dp;
|
||||
struct dirent *dp;
|
||||
ptrdiff_t len;
|
||||
bool canexclude = 0;
|
||||
|
||||
|
|
@ -517,11 +492,10 @@ file_name_completion (Lisp_Object file, Lisp_Object dirname, bool all_flag,
|
|||
|
||||
if (!dp) break;
|
||||
|
||||
len = NAMLEN (dp);
|
||||
len = dirent_namelen (dp);
|
||||
|
||||
QUIT;
|
||||
if (! DIRENTRY_NONEMPTY (dp)
|
||||
|| len < SCHARS (encoded_file)
|
||||
if (len < SCHARS (encoded_file)
|
||||
|| 0 <= scmp (dp->d_name, SSDATA (encoded_file),
|
||||
SCHARS (encoded_file)))
|
||||
continue;
|
||||
|
|
@ -806,9 +780,10 @@ scmp (const char *s1, const char *s2, ptrdiff_t len)
|
|||
}
|
||||
|
||||
static int
|
||||
file_name_completion_stat (Lisp_Object dirname, DIRENTRY *dp, struct stat *st_addr)
|
||||
file_name_completion_stat (Lisp_Object dirname, struct dirent *dp,
|
||||
struct stat *st_addr)
|
||||
{
|
||||
ptrdiff_t len = NAMLEN (dp);
|
||||
ptrdiff_t len = dirent_namelen (dp);
|
||||
ptrdiff_t pos = SCHARS (dirname);
|
||||
int value;
|
||||
USE_SAFE_ALLOCA;
|
||||
|
|
|
|||
|
|
@ -413,8 +413,6 @@ CONF_POST_H = $(SRC)/conf_post.h \
|
|||
$(MS_W32_H)
|
||||
CONFIG_H = $(SRC)/config.h \
|
||||
$(CONF_POST_H)
|
||||
DIR_H = $(NT_INC)/sys/dir.h \
|
||||
$(SRC)/ndir.h
|
||||
W32GUI_H = $(SRC)/w32gui.h \
|
||||
$(SYSTIME_H)
|
||||
DISPEXTERN_H = $(SRC)/dispextern.h \
|
||||
|
|
@ -714,6 +712,7 @@ $(BLD)/dired.$(O) : \
|
|||
$(SRC)/blockinput.h \
|
||||
$(SRC)/commands.h \
|
||||
$(SRC)/regex.h \
|
||||
$(NT_INC)/dirent.h \
|
||||
$(NT_INC)/pwd.h \
|
||||
$(NT_INC)/sys/stat.h \
|
||||
$(NT_INC)/unistd.h \
|
||||
|
|
@ -722,7 +721,6 @@ $(BLD)/dired.$(O) : \
|
|||
$(CHARSET_H) \
|
||||
$(CODING_H) \
|
||||
$(CONFIG_H) \
|
||||
$(DIR_H) \
|
||||
$(FILEMODE_H) \
|
||||
$(GRP_H) \
|
||||
$(LISP_H) \
|
||||
|
|
@ -1175,11 +1173,11 @@ $(BLD)/minibuf.$(O) : \
|
|||
|
||||
$(BLD)/w32.$(O) : \
|
||||
$(SRC)/w32.c \
|
||||
$(SRC)/ndir.h \
|
||||
$(SRC)/w32.h \
|
||||
$(SRC)/w32common.h \
|
||||
$(SRC)/w32heap.h \
|
||||
$(SRC)/w32select.h \
|
||||
$(NT_INC)/dirent.h \
|
||||
$(NT_INC)/pwd.h \
|
||||
$(NT_INC)/sys/file.h \
|
||||
$(NT_INC)/sys/time.h \
|
||||
|
|
|
|||
22
src/sysdep.c
22
src/sysdep.c
|
|
@ -2219,28 +2219,6 @@ emacs_readlink (char const *filename, char initial_buf[READLINK_BUFSIZE])
|
|||
return careadlinkat (AT_FDCWD, filename, initial_buf, READLINK_BUFSIZE,
|
||||
&emacs_norealloc_allocator, careadlinkatcwd);
|
||||
}
|
||||
|
||||
/* Directory routines for systems that don't have them. */
|
||||
|
||||
#ifdef HAVE_DIRENT_H
|
||||
|
||||
#include <dirent.h>
|
||||
|
||||
#if !defined (HAVE_CLOSEDIR)
|
||||
|
||||
int
|
||||
closedir (DIR *dirp /* stream from opendir */)
|
||||
{
|
||||
int rtnval;
|
||||
|
||||
rtnval = emacs_close (dirp->dd_fd);
|
||||
xfree (dirp);
|
||||
|
||||
return rtnval;
|
||||
}
|
||||
#endif /* not HAVE_CLOSEDIR */
|
||||
#endif /* HAVE_DIRENT_H */
|
||||
|
||||
|
||||
/* Return a struct timeval that is roughly equivalent to T.
|
||||
Use the least timeval not less than T.
|
||||
|
|
|
|||
|
|
@ -179,7 +179,7 @@ typedef struct _REPARSE_DATA_BUFFER {
|
|||
#undef sendto
|
||||
|
||||
#include "w32.h"
|
||||
#include "ndir.h"
|
||||
#include <dirent.h>
|
||||
#include "w32common.h"
|
||||
#include "w32heap.h"
|
||||
#include "w32select.h"
|
||||
|
|
@ -2448,7 +2448,7 @@ is_exec (const char * name)
|
|||
and readdir. We can't use the procedures supplied in sysdep.c,
|
||||
so we provide them here. */
|
||||
|
||||
struct direct dir_static; /* simulated directory contents */
|
||||
struct dirent dir_static; /* simulated directory contents */
|
||||
static HANDLE dir_find_handle = INVALID_HANDLE_VALUE;
|
||||
static int dir_is_fat;
|
||||
static char dir_pathname[MAXPATHLEN+1];
|
||||
|
|
@ -2518,7 +2518,7 @@ closedir (DIR *dirp)
|
|||
xfree ((char *) dirp);
|
||||
}
|
||||
|
||||
struct direct *
|
||||
struct dirent *
|
||||
readdir (DIR *dirp)
|
||||
{
|
||||
int downcase = !NILP (Vw32_downcase_file_names);
|
||||
|
|
@ -2572,7 +2572,7 @@ readdir (DIR *dirp)
|
|||
downcase = 1; /* 8+3 aliases are returned in all caps */
|
||||
}
|
||||
dir_static.d_namlen = strlen (dir_static.d_name);
|
||||
dir_static.d_reclen = sizeof (struct direct) - MAXNAMLEN + 3 +
|
||||
dir_static.d_reclen = sizeof (struct dirent) - MAXNAMLEN + 3 +
|
||||
dir_static.d_namlen - dir_static.d_namlen % 4;
|
||||
|
||||
/* If the file name in cFileName[] includes `?' characters, it means
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue