Merge from trunk and resolve conflicts.

13 files changed, 133 insertions, 25 deletions

diff --git a/nt/inc/dirent.h b/nt/inc/dirent.h
index 618f3beddf0..676b82d207b 100644
--- a/nt/inc/dirent.h
+++ b/nt/inc/dirent.h
@@ -30,7 +30,7 @@ typedef struct
         char    dd_buf[DIRBLKSIZ];      /* directory block */
         }       DIR;                    /* stream data from opendir() */
 
-extern DIR              *opendir (char *);
+extern DIR              *opendir (const char *);
 extern struct dirent    *readdir (DIR *);
 extern void             seekdir (DIR *, long);
 extern void             closedir (DIR *);
diff --git a/nt/inc/grp.h b/nt/inc/grp.h
index 3d369044974..02c0ef7f3a0 100644
--- a/nt/inc/grp.h
+++ b/nt/inc/grp.h
@@ -1,6 +1,6 @@
 /* Replacement grp.h file for building GNU Emacs on Windows.
 
-Copyright (C) 2003-2012  Free Software Foundation, Inc.
+Copyright (C) 2003-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/inttypes.h b/nt/inc/inttypes.h
index 688b9bc9223..4629ccb038c 100644
--- a/nt/inc/inttypes.h
+++ b/nt/inc/inttypes.h
@@ -1,6 +1,6 @@
 /* Replacement inntypes.h file for building GNU Emacs on Windows with MSVC.
 
-Copyright (C) 2011-2012  Free Software Foundation, Inc.
+Copyright (C) 2011-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/langinfo.h b/nt/inc/langinfo.h
index 7ab36f0a998..93a56e548c7 100644
--- a/nt/inc/langinfo.h
+++ b/nt/inc/langinfo.h
@@ -1,6 +1,6 @@
 /* Replacement langinfo.h file for building GNU Emacs on Windows.
 
-Copyright (C) 2006-2012  Free Software Foundation, Inc.
+Copyright (C) 2006-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/ms-w32.h b/nt/inc/ms-w32.h
index 7b16ccab069..cd183c917c4 100644
--- a/nt/inc/ms-w32.h
+++ b/nt/inc/ms-w32.h
@@ -1,6 +1,6 @@
 /* System description file for Windows NT.
 
-Copyright (C) 1993-1995, 2001-2012  Free Software Foundation, Inc.
+Copyright (C) 1993-1995, 2001-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -70,6 +70,18 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define HAVE___BUILTIN_UNWIND_INIT 1
 #endif
 
+/* This isn't perfect, as some systems might have the page file in
+   another place.  Also, I suspect that the time stamp of that file
+   might also change when Windows enlarges the file due to
+   insufficient VM.  Still, this seems to be the most reliable way;
+   the alternative (of using GetSystemTimes) won't work on laptops
+   that hibernate, because the system clock is stopped then.  Other
+   possibility would be to run "net statistics workstation" and parse
+   the output, but that's gross.  So this should do; if the file is
+   not there, the boot time will be returned as zero, and filelock.c
+   already handles that.  */
+#define BOOT_TIME_FILE "C:/pagefile.sys"
+
 /* ============================================================ */
 
 /* Here, add any special hacks needed to make Emacs work on this
@@ -115,6 +127,17 @@ typedef unsigned short mode_t;
 extern char *getenv ();
 #endif
 
+/* Prevent accidental use of features unavailable in older Windows
+   versions we still support.  MinGW64 defines this to a higher value
+   in its system headers, and is not really compatible with values
+   lower than 0x0500, so leave it alone.  */
+#ifndef _W64
+# define _WIN32_WINNT 0x0400
+#endif
+
+/* Make a leaner executable.  */
+#define WIN32_LEAN_AND_MEAN 1
+
 #ifdef HAVE_STRINGS_H
 #include "strings.h"
 #endif
@@ -133,6 +156,21 @@ extern char *getenv ();
 
 #ifdef emacs
 
+#ifdef _W64
+/* MinGW64 specific stuff.  */
+/* Make sure 'struct timespec' and 'struct timezone' are defined.  */
+#include <sys/types.h>
+#include <time.h>
+/* This prototype avoids MinGW64 compiler warnings due to the fact
+   that time.h is included before localtime is redirected to
+   sys_localtime below.  */
+extern struct tm * sys_localtime (const time_t *);
+/* MinGW64 uses a 2-argument _setjmp, and setjmp is a macro defined to
+   supply the 2nd arg correctly, so don't use _setjmp directly in that
+   case. */
+#undef HAVE__SETJMP
+#endif
+
 #ifdef _MSC_VER
 #include <sys/timeb.h>
 #include <sys/stat.h>
@@ -149,7 +187,6 @@ extern char *getenv ();
 #define chdir   sys_chdir
 #undef chmod
 #define chmod   sys_chmod
-#define chown   sys_chown
 #undef close
 #define close   sys_close
 #undef creat
@@ -178,6 +215,10 @@ extern char *getenv ();
 #define strerror sys_strerror
 #undef unlink
 #define unlink  sys_unlink
+/* This prototype is needed because some files include config.h
+   _after_ the standard headers, so sys_unlink gets no prototype from
+   stdio.h or io.h.  */
+extern int sys_unlink (const char *);
 #undef write
 #define write   sys_write
 
@@ -205,6 +246,7 @@ extern char *getenv ();
 /* Map to MSVC names.  */
 #define execlp    _execlp
 #define execvp    _execvp
+#define fdatasync _commit
 #define fdopen    _fdopen
 #ifndef fileno
 #define fileno    _fileno
@@ -218,7 +260,6 @@ typedef int pid_t;
 #define strtoll   _strtoi64
 #endif
 #define isatty    _isatty
-#define logb      _logb
 #define _longjmp  longjmp
 #define lseek     _lseek
 #define popen     _popen
@@ -251,18 +292,24 @@ int _getpid (void);
 /* 'struct timespec' is used by time-related functions in lib/ and
    elsewhere, but we don't use lib/time.h where the structure is
    defined.  */
+/* MinGW64 defines 'struct timespec' and _TIMESPEC_DEFINED in sys/types.h.  */
+#ifndef _TIMESPEC_DEFINED
 struct timespec
 {
   time_t        tv_sec;         /* seconds */
   long int      tv_nsec;        /* nanoseconds */
 };
+#endif
 
 /* Required for functions in lib/time_r.c, since we don't use lib/time.h.  */
 extern struct tm *gmtime_r (time_t const * restrict, struct tm * restrict);
 extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
 
+#ifdef _MSC_VER
 /* This is hacky, but is necessary to avoid warnings about macro
-   redefinitions using the SDK compilers.  */
+   redefinitions using the MSVC compilers, since, when __STDC__ is
+   undefined or zero, those compilers declare functions like fileno,
+   lseek, and chdir, for which we defined macros above.  */
 #ifndef __STDC__
 #define __STDC__ 1
 #define MUST_UNDEF__STDC__
@@ -274,6 +321,11 @@ extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
 #undef __STDC__
 #undef MUST_UNDEF__STDC__
 #endif
+#else  /* !_MSC_VER */
+#include <direct.h>
+#include <io.h>
+#include <stdio.h>
+#endif  /* !_MSC_VER */
 
 /* Defines that we need that aren't in the standard signal.h.  */
 #define SIGHUP  1               /* Hang up */
@@ -289,11 +341,19 @@ extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
 #define NSIG 23
 #endif
 
+#ifndef ENOTSUP
+#define ENOTSUP ENOSYS
+#endif
+
 #ifdef _MSC_VER
 typedef int sigset_t;
 typedef int ssize_t;
 #endif
 
+#ifndef _POSIX  /* MinGW64 */
+typedef _sigset_t sigset_t;
+#endif
+
 typedef void (_CALLBACK_ *signal_handler) (int);
 extern signal_handler sys_signal (int, signal_handler);
 
@@ -339,13 +399,6 @@ extern char *get_emacs_configuration_options (void);
 #define _WINSOCKAPI_    1
 #define _WINSOCK_H
 
-/* Prevent accidental use of features unavailable in
-   older Windows versions we still support.  */
-#define _WIN32_WINNT 0x0400
-
-/* Make a leaner executable.  */
-#define WIN32_LEAN_AND_MEAN 1
-
 /* Defines size_t and alloca ().  */
 #ifdef emacs
 #define malloc e_malloc
@@ -376,9 +429,19 @@ extern char *get_emacs_configuration_options (void);
 #define sys_nerr _sys_nerr
 #endif
 
+/* This must be after including stdlib.h, which defines putenv on MinGW.  */
+#ifdef putenv
+# undef putenv
+#endif
+#define putenv    sys_putenv
+extern int sys_putenv (char *);
+
 extern int getloadavg (double *, int);
 extern int getpagesize (void);
 
+extern void * memrchr (void const *, int, size_t);
+
+
 #if defined (__MINGW32__)
 
 /* Define to 1 if the system has the type `long long int'. */
diff --git a/nt/inc/nl_types.h b/nt/inc/nl_types.h
index 3d3a162bada..e3eb9eb5477 100644
--- a/nt/inc/nl_types.h
+++ b/nt/inc/nl_types.h
@@ -1,6 +1,6 @@
 /* Replacement nl_types.h file for building GNU Emacs on Windows.
 
-Copyright (C) 2006-2012 Free Software Foundation, Inc.
+Copyright (C) 2006-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/stdint.h b/nt/inc/stdint.h
index 97c9bbdaee9..c8b3aba0916 100644
--- a/nt/inc/stdint.h
+++ b/nt/inc/stdint.h
@@ -1,6 +1,6 @@
 /* Replacement stdint.h file for building GNU Emacs on Windows.
 
-Copyright (C) 2011-2012  Free Software Foundation, Inc.
+Copyright (C) 2011-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -38,6 +38,7 @@ typedef unsigned __int64 uint64_t;
 #define INT64_MIN (~INT64_MAX)
 #define INTPTR_MAX INT64_MAX
 #define INTPTR_MIN INT64_MIN
+#define UINTPTR_MAX UINT64_MAX
 #define UINTMAX_MAX UINT64_MAX
 #define UINTMAX_MIN UINT64_MIN
 #define INTMAX_MAX INT64_MAX
@@ -53,6 +54,7 @@ typedef unsigned int uint32_t;
 #define INT32_MIN (~INT32_MAX)
 #define INTPTR_MAX INT32_MAX
 #define INTPTR_MIN INT32_MIN
+#define UINTPTR_MAX UINT32_MAX
 #define UINTMAX_MAX UINT32_MAX
 #define UINTMAX_MIN UINT32_MIN
 #define INTMAX_MAX INT32_MAX
diff --git a/nt/inc/sys/acl.h b/nt/inc/sys/acl.h
new file mode 100644
index 00000000000..3133e3bfc09
--- /dev/null
+++ b/nt/inc/sys/acl.h
@@ -0,0 +1,25 @@
+/* Emulation of Posix ACLs for Windows.  */
+
+#ifndef ACL_H
+#define ACL_H
+
+#define NOMINMAX 1      /* don't define min and max */
+#include <windows.h>
+
+typedef PSECURITY_DESCRIPTOR acl_t;
+typedef unsigned acl_type_t;
+
+/* Values of acl_type_t  */
+#define ACL_TYPE_ACCESS  0
+#define ACL_TYPE_DEFAULT 1
+
+typedef unsigned acl_perm_t;
+
+extern int    acl_valid (acl_t);
+extern acl_t  acl_get_file (const char *, acl_type_t);
+extern int    acl_set_file (const char *, acl_type_t, acl_t);
+extern char * acl_to_text (acl_t, ssize_t *);
+extern acl_t  acl_from_text (const char *);
+extern int    acl_free (void *);
+
+#endif  /* ACL_H */
diff --git a/nt/inc/sys/socket.h b/nt/inc/sys/socket.h
index 1c8be6c452f..99227d75d28 100644
--- a/nt/inc/sys/socket.h
+++ b/nt/inc/sys/socket.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 2001-2012  Free Software Foundation, Inc.
+/* Copyright (C) 1995, 2001-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/sys/stat.h b/nt/inc/sys/stat.h
index b673b80a0e3..f6785c56477 100644
--- a/nt/inc/sys/stat.h
+++ b/nt/inc/sys/stat.h
@@ -1,7 +1,7 @@
 /* sys/stat.h supplied with MSVCRT uses too narrow data types for
    inode and user/group id, so we replace them with our own.
 
-Copyright (C) 2008-2012  Free Software Foundation, Inc.
+Copyright (C) 2008-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -74,6 +74,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define S_ISDOOR(m)    0
 #define S_ISMPB(m)     0
 #define S_ISMPC(m)     0
+#define S_ISMPX(m)     0
 #define S_ISNWK(m)     0
 #define S_ISPORT(m)    0
 #define S_ISWHT(m)     0
@@ -98,13 +99,18 @@ struct stat {
   char             st_gname[260];
 };
 
+/* Internal variable for asking 'stat'/'lstat' to produce accurate
+   info about owner and group of files. */
+extern int w32_stat_get_owner_group;
+
 /* Prevent redefinition by other headers, e.g. wchar.h.  */
 #define _STAT_DEFINED
 
-_CRTIMP int __cdecl __MINGW_NOTHROW     fstat (int, struct stat*);
-_CRTIMP int __cdecl __MINGW_NOTHROW     chmod (const char*, int);
-_CRTIMP int __cdecl __MINGW_NOTHROW     stat (const char*, struct stat*);
-_CRTIMP int __cdecl __MINGW_NOTHROW     lstat (const char*, struct stat*);
+int __cdecl __MINGW_NOTHROW     fstat (int, struct stat*);
+int __cdecl __MINGW_NOTHROW     stat (const char*, struct stat*);
+int __cdecl __MINGW_NOTHROW     lstat (const char*, struct stat*);
+int __cdecl __MINGW_NOTHROW     fstatat (int, char const *,
+                                                 struct stat *, int);
+int __cdecl __MINGW_NOTHROW     chmod (const char*, int);
 
 #endif  /* INC_SYS_STAT_H_ */
-
diff --git a/nt/inc/sys/time.h b/nt/inc/sys/time.h
index 2d2c3abe222..aa51041bcd8 100644
--- a/nt/inc/sys/time.h
+++ b/nt/inc/sys/time.h
@@ -6,6 +6,9 @@
  * have the below stuff.
  */
 
+/* The guards are for MinGW64, which defines these structs on its
+   system headers which are included by ms-w32.h.  */
+#ifndef _W64
 /* Allow inclusion of sys/time.h and winsock2.h in any order.  Needed
    for running the configure test, which is only relevant to MinGW.  */
 #ifndef _TIMEVAL_DEFINED
@@ -22,12 +25,15 @@ struct timeval
         ((tvp)->tv_usec cmp (uvp)->tv_usec))
 #define timerclear(tvp)  (tvp)->tv_sec = (tvp)->tv_usec = 0
 #endif /* _TIMEVAL_DEFINED */
+#endif /* _W64 */
 
+#ifndef _TIMEZONE_DEFINED
 struct timezone
 {
   int           tz_minuteswest; /* minutes west of Greenwich */
   int           tz_dsttime;     /* type of dst correction */
 };
+#endif
 
 void gettimeofday (struct timeval *, struct timezone *);
 
diff --git a/nt/inc/sys/wait.h b/nt/inc/sys/wait.h
index 8d890c9e175..d192453ff57 100644
--- a/nt/inc/sys/wait.h
+++ b/nt/inc/sys/wait.h
@@ -1,6 +1,6 @@
 /* A limited emulation of sys/wait.h on Posix systems.
 
-Copyright (C) 2012  Free Software Foundation, Inc.
+Copyright (C) 2012-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/nt/inc/unistd.h b/nt/inc/unistd.h
index b75e7d7d6bf..8ad8cf213b1 100644
--- a/nt/inc/unistd.h
+++ b/nt/inc/unistd.h
@@ -15,6 +15,7 @@
    and whose prototypes are usually found in unistd.h on POSIX
    platforms.  */
 extern ssize_t readlink (const char *, char *, size_t);
+extern ssize_t readlinkat (int, const char *, char *, size_t);
 extern int symlink (char const *, char const *);
 extern int setpgid (pid_t, pid_t);
 extern pid_t getpgrp (void);
@@ -29,6 +30,11 @@ extern int faccessat (int, char const *, int, int);
 #define AT_EACCESS 4
 #define AT_SYMLINK_NOFOLLOW 4096
 
+#define O_IGNORE_CTTY 0
 #define O_NOCTTY 0
+#define O_NOFOLLOW 0
+
+/* This is normally on stdlib.h, but we don't override that header.  */
+extern int unsetenv (const char *);
 
 #endif  /* _UNISTD_H */