diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/dup2.c | 44 | ||||
| -rw-r--r-- | lib/fcntl.c | 6 | ||||
| -rw-r--r-- | lib/fsync.c | 6 | ||||
| -rw-r--r-- | lib/getdtablesize.c | 11 | ||||
| -rw-r--r-- | lib/getopt.c | 3 | ||||
| -rw-r--r-- | lib/gettimeofday.c | 71 | ||||
| -rw-r--r-- | lib/gnulib.mk.in | 10 | ||||
| -rw-r--r-- | lib/mktime.c | 25 | ||||
| -rw-r--r-- | lib/stat-time.h | 4 | ||||
| -rw-r--r-- | lib/sys_stat.in.h | 178 | ||||
| -rw-r--r-- | lib/unistd.in.h | 30 | ||||
| -rw-r--r-- | lib/utimens.c | 6 |
12 files changed, 290 insertions, 104 deletions
diff --git a/lib/dup2.c b/lib/dup2.c index c0c7cadf4a8..002dc8c76cb 100644 --- a/lib/dup2.c +++ b/lib/dup2.c @@ -35,10 +35,39 @@ # define WIN32_LEAN_AND_MEAN # include <windows.h> -# include "msvc-inval.h" +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +# include "msvc-inval.h" +# endif /* Get _get_osfhandle. */ -# include "msvc-nothrow.h" +# if GNULIB_MSVC_NOTHROW +# include "msvc-nothrow.h" +# else +# include <io.h> +# endif + +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +static int +dup2_nothrow (int fd, int desired_fd) +{ + int result; + + TRY_MSVC_INVAL + { + result = dup2 (fd, desired_fd); + } + CATCH_MSVC_INVAL + { + errno = EBADF; + result = -1; + } + DONE_MSVC_INVAL; + + return result; +} +# else +# define dup2_nothrow dup2 +# endif static int ms_windows_dup2 (int fd, int desired_fd) @@ -66,16 +95,7 @@ ms_windows_dup2 (int fd, int desired_fd) return -1; } - TRY_MSVC_INVAL - { - result = dup2 (fd, desired_fd); - } - CATCH_MSVC_INVAL - { - errno = EBADF; - result = -1; - } - DONE_MSVC_INVAL; + result = dup2_nothrow (fd, desired_fd); if (result == 0) result = desired_fd; diff --git a/lib/fcntl.c b/lib/fcntl.c index afe15468ffa..d4dd144e05d 100644 --- a/lib/fcntl.c +++ b/lib/fcntl.c @@ -38,7 +38,11 @@ # include <windows.h> /* Get _get_osfhandle. */ -# include "msvc-nothrow.h" +# if GNULIB_MSVC_NOTHROW +# include "msvc-nothrow.h" +# else +# include <io.h> +# endif /* Upper bound on getdtablesize(). See lib/getdtablesize.c. */ # define OPEN_MAX_MAX 0x10000 diff --git a/lib/fsync.c b/lib/fsync.c index 46dd59b3d2c..5a4945ef2bf 100644 --- a/lib/fsync.c +++ b/lib/fsync.c @@ -34,7 +34,11 @@ # include <errno.h> /* Get _get_osfhandle. */ -# include "msvc-nothrow.h" +# if GNULIB_MSVC_NOTHROW +# include "msvc-nothrow.h" +# else +# include <io.h> +# endif int fsync (int fd) diff --git a/lib/getdtablesize.c b/lib/getdtablesize.c index 7fabb51e2c6..c356cf4aa97 100644 --- a/lib/getdtablesize.c +++ b/lib/getdtablesize.c @@ -24,7 +24,9 @@ # include <stdio.h> -# include "msvc-inval.h" +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +# include "msvc-inval.h" +# endif # if HAVE_MSVC_INVALID_PARAMETER_HANDLER static int @@ -44,7 +46,8 @@ _setmaxstdio_nothrow (int newmax) return result; } -# define _setmaxstdio _setmaxstdio_nothrow +# else +# define _setmaxstdio_nothrow _setmaxstdio # endif /* Cache for the previous getdtablesize () result. Safe to cache because @@ -76,9 +79,9 @@ getdtablesize (void) freed when we call _setmaxstdio with the original value. */ int orig_max_stdio = _getmaxstdio (); unsigned int bound; - for (bound = 0x10000; _setmaxstdio (bound) < 0; bound = bound / 2) + for (bound = 0x10000; _setmaxstdio_nothrow (bound) < 0; bound = bound / 2) ; - _setmaxstdio (orig_max_stdio); + _setmaxstdio_nothrow (orig_max_stdio); dtablesize = bound; } return dtablesize; diff --git a/lib/getopt.c b/lib/getopt.c index a7db39b68df..9a2867db277 100644 --- a/lib/getopt.c +++ b/lib/getopt.c @@ -45,7 +45,8 @@ # define _(msgid) gettext (msgid) /* When used standalone, flockfile and funlockfile might not be available. */ -# ifndef _POSIX_THREAD_SAFE_FUNCTIONS +# if (!defined _POSIX_THREAD_SAFE_FUNCTIONS \ + || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) # define flockfile(fp) /* nop */ # define funlockfile(fp) /* nop */ # endif diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c index 1039f77d182..8ae7622af31 100644 --- a/lib/gettimeofday.c +++ b/lib/gettimeofday.c @@ -64,42 +64,20 @@ int gettimeofday (struct timeval *restrict tv, void *restrict tz) { #undef gettimeofday -#if HAVE_GETTIMEOFDAY -# if GETTIMEOFDAY_CLOBBERS_LOCALTIME - /* Save and restore the contents of the buffer used for localtime's - result around the call to gettimeofday. */ - struct tm save = *localtime_buffer_addr; -# endif - -# if defined timeval /* 'struct timeval' overridden by gnulib? */ -# undef timeval - struct timeval otv; - int result = gettimeofday (&otv, (struct timezone *) tz); - if (result == 0) - { - tv->tv_sec = otv.tv_sec; - tv->tv_usec = otv.tv_usec; - } -# else - int result = gettimeofday (tv, (struct timezone *) tz); -# endif - -# if GETTIMEOFDAY_CLOBBERS_LOCALTIME - *localtime_buffer_addr = save; -# endif - - return result; - -#else - -# ifdef WINDOWS_NATIVE +#ifdef WINDOWS_NATIVE /* On native Windows, there are two ways to get the current time: GetSystemTimeAsFileTime <https://msdn.microsoft.com/en-us/library/ms724397.aspx> or GetSystemTimePreciseAsFileTime - <https://msdn.microsoft.com/en-us/library/hh706895.aspx>. */ + <https://msdn.microsoft.com/en-us/library/hh706895.aspx>. + GetSystemTimeAsFileTime produces values that jump by increments of + 15.627 milliseconds (!) on average. + Whereas GetSystemTimePreciseAsFileTime values usually jump by 1 or 2 + microseconds. + More discussion on this topic: + <http://www.windowstimestamp.com/description>. */ FILETIME current_time; if (!initialized) @@ -122,6 +100,36 @@ gettimeofday (struct timeval *restrict tv, void *restrict tz) tv->tv_sec = microseconds_since_1970 / (ULONGLONG) 1000000; tv->tv_usec = microseconds_since_1970 % (ULONGLONG) 1000000; + return 0; + +#else + +# if HAVE_GETTIMEOFDAY +# if GETTIMEOFDAY_CLOBBERS_LOCALTIME + /* Save and restore the contents of the buffer used for localtime's + result around the call to gettimeofday. */ + struct tm save = *localtime_buffer_addr; +# endif + +# if defined timeval /* 'struct timeval' overridden by gnulib? */ +# undef timeval + struct timeval otv; + int result = gettimeofday (&otv, (struct timezone *) tz); + if (result == 0) + { + tv->tv_sec = otv.tv_sec; + tv->tv_usec = otv.tv_usec; + } +# else + int result = gettimeofday (tv, (struct timezone *) tz); +# endif + +# if GETTIMEOFDAY_CLOBBERS_LOCALTIME + *localtime_buffer_addr = save; +# endif + + return result; + # else # if !defined OK_TO_USE_1S_CLOCK @@ -131,9 +139,8 @@ gettimeofday (struct timeval *restrict tv, void *restrict tz) tv->tv_sec = time (NULL); tv->tv_usec = 0; -# endif - return 0; +# endif #endif } diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in index 51ae1891244..d4afafbecc9 100644 --- a/lib/gnulib.mk.in +++ b/lib/gnulib.mk.in @@ -225,6 +225,7 @@ GNULIB_OBSTACK_PRINTF_POSIX = @GNULIB_OBSTACK_PRINTF_POSIX@ GNULIB_OPEN = @GNULIB_OPEN@ GNULIB_OPENAT = @GNULIB_OPENAT@ GNULIB_OPENDIR = @GNULIB_OPENDIR@ +GNULIB_OVERRIDES_STRUCT_STAT = @GNULIB_OVERRIDES_STRUCT_STAT@ GNULIB_OVERRIDES_WINT_T = @GNULIB_OVERRIDES_WINT_T@ GNULIB_PCLOSE = @GNULIB_PCLOSE@ GNULIB_PERROR = @GNULIB_PERROR@ @@ -306,6 +307,7 @@ GNULIB_TIMEGM = @GNULIB_TIMEGM@ GNULIB_TIME_R = @GNULIB_TIME_R@ GNULIB_TIME_RZ = @GNULIB_TIME_RZ@ GNULIB_TMPFILE = @GNULIB_TMPFILE@ +GNULIB_TRUNCATE = @GNULIB_TRUNCATE@ GNULIB_TTYNAME_R = @GNULIB_TTYNAME_R@ GNULIB_TZSET = @GNULIB_TZSET@ GNULIB_UNISTD_H_NONBLOCKING = @GNULIB_UNISTD_H_NONBLOCKING@ @@ -504,6 +506,7 @@ HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@ HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@ HAVE_TIMEGM = @HAVE_TIMEGM@ HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@ +HAVE_TRUNCATE = @HAVE_TRUNCATE@ HAVE_TYPE_VOLATILE_SIG_ATOMIC_T = @HAVE_TYPE_VOLATILE_SIG_ATOMIC_T@ HAVE_TZSET = @HAVE_TZSET@ HAVE_UNISTD_H = @HAVE_UNISTD_H@ @@ -781,6 +784,7 @@ REPLACE_SYMLINK = @REPLACE_SYMLINK@ REPLACE_SYMLINKAT = @REPLACE_SYMLINKAT@ REPLACE_TIMEGM = @REPLACE_TIMEGM@ REPLACE_TMPFILE = @REPLACE_TMPFILE@ +REPLACE_TRUNCATE = @REPLACE_TRUNCATE@ REPLACE_TTYNAME_R = @REPLACE_TTYNAME_R@ REPLACE_TZSET = @REPLACE_TZSET@ REPLACE_UNLINK = @REPLACE_UNLINK@ @@ -834,6 +838,7 @@ WERROR_CFLAGS = @WERROR_CFLAGS@ WIDGET_OBJ = @WIDGET_OBJ@ WINDOWS_64_BIT_OFF_T = @WINDOWS_64_BIT_OFF_T@ WINDOWS_64_BIT_ST_SIZE = @WINDOWS_64_BIT_ST_SIZE@ +WINDOWS_STAT_TIMESPEC = @WINDOWS_STAT_TIMESPEC@ WINDOW_SYSTEM_OBJ = @WINDOW_SYSTEM_OBJ@ WINDRES = @WINDRES@ WINT_T_SUFFIX = @WINT_T_SUFFIX@ @@ -2586,6 +2591,7 @@ sys/stat.h: sys_stat.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNU -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ -e 's|@''NEXT_SYS_STAT_H''@|$(NEXT_SYS_STAT_H)|g' \ -e 's|@''WINDOWS_64_BIT_ST_SIZE''@|$(WINDOWS_64_BIT_ST_SIZE)|g' \ + -e 's|@''WINDOWS_STAT_TIMESPEC''@|$(WINDOWS_STAT_TIMESPEC)|g' \ -e 's/@''GNULIB_FCHMODAT''@/$(GNULIB_FCHMODAT)/g' \ -e 's/@''GNULIB_FSTAT''@/$(GNULIB_FSTAT)/g' \ -e 's/@''GNULIB_FSTATAT''@/$(GNULIB_FSTATAT)/g' \ @@ -2599,6 +2605,7 @@ sys/stat.h: sys_stat.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNU -e 's/@''GNULIB_MKNODAT''@/$(GNULIB_MKNODAT)/g' \ -e 's/@''GNULIB_STAT''@/$(GNULIB_STAT)/g' \ -e 's/@''GNULIB_UTIMENSAT''@/$(GNULIB_UTIMENSAT)/g' \ + -e 's/@''GNULIB_OVERRIDES_STRUCT_STAT''@/$(GNULIB_OVERRIDES_STRUCT_STAT)/g' \ -e 's|@''HAVE_FCHMODAT''@|$(HAVE_FCHMODAT)|g' \ -e 's|@''HAVE_FSTATAT''@|$(HAVE_FSTATAT)|g' \ -e 's|@''HAVE_FUTIMENS''@|$(HAVE_FUTIMENS)|g' \ @@ -2893,6 +2900,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's/@''GNULIB_SLEEP''@/$(GNULIB_SLEEP)/g' \ -e 's/@''GNULIB_SYMLINK''@/$(GNULIB_SYMLINK)/g' \ -e 's/@''GNULIB_SYMLINKAT''@/$(GNULIB_SYMLINKAT)/g' \ + -e 's/@''GNULIB_TRUNCATE''@/$(GNULIB_TRUNCATE)/g' \ -e 's/@''GNULIB_TTYNAME_R''@/$(GNULIB_TTYNAME_R)/g' \ -e 's/@''GNULIB_UNISTD_H_GETOPT''@/0$(GNULIB_GL_UNISTD_H_GETOPT)/g' \ -e 's/@''GNULIB_UNISTD_H_NONBLOCKING''@/$(GNULIB_UNISTD_H_NONBLOCKING)/g' \ @@ -2930,6 +2938,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \ -e 's|@''HAVE_SYMLINK''@|$(HAVE_SYMLINK)|g' \ -e 's|@''HAVE_SYMLINKAT''@|$(HAVE_SYMLINKAT)|g' \ + -e 's|@''HAVE_TRUNCATE''@|$(HAVE_TRUNCATE)|g' \ -e 's|@''HAVE_UNLINKAT''@|$(HAVE_UNLINKAT)|g' \ -e 's|@''HAVE_USLEEP''@|$(HAVE_USLEEP)|g' \ -e 's|@''HAVE_DECL_ENVIRON''@|$(HAVE_DECL_ENVIRON)|g' \ @@ -2971,6 +2980,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H -e 's|@''REPLACE_SLEEP''@|$(REPLACE_SLEEP)|g' \ -e 's|@''REPLACE_SYMLINK''@|$(REPLACE_SYMLINK)|g' \ -e 's|@''REPLACE_SYMLINKAT''@|$(REPLACE_SYMLINKAT)|g' \ + -e 's|@''REPLACE_TRUNCATE''@|$(REPLACE_TRUNCATE)|g' \ -e 's|@''REPLACE_TTYNAME_R''@|$(REPLACE_TTYNAME_R)|g' \ -e 's|@''REPLACE_UNLINK''@|$(REPLACE_UNLINK)|g' \ -e 's|@''REPLACE_UNLINKAT''@|$(REPLACE_UNLINKAT)|g' \ diff --git a/lib/mktime.c b/lib/mktime.c index 06d5916e910..058ab65c03e 100644 --- a/lib/mktime.c +++ b/lib/mktime.c @@ -491,9 +491,28 @@ time_t mktime (struct tm *tp) { # if NEED_MKTIME_WINDOWS - /* If the environment variable TZ has been set by Cygwin, neutralize it. - The Microsoft CRT interprets TZ differently than Cygwin and produces - incorrect results if TZ has the syntax used by Cygwin. */ + /* Rectify the value of the environment variable TZ. + There are four possible kinds of such values: + - Traditional US time zone names, e.g. "PST8PDT". Syntax: see + <https://msdn.microsoft.com/en-us/library/90s5c885.aspx> + - Time zone names based on geography, that contain one or more + slashes, e.g. "Europe/Moscow". + - Time zone names based on geography, without slashes, e.g. + "Singapore". + - Time zone names that contain explicit DST rules. Syntax: see + <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03> + The Microsoft CRT understands only the first kind. It produces incorrect + results if the value of TZ is of the other kinds. + But in a Cygwin environment, /etc/profile.d/tzset.sh sets TZ to a value + of the second kind for most geographies, or of the first kind in a few + other geographies. If it is of the second kind, neutralize it. For the + Microsoft CRT, an absent or empty TZ means the time zone that the user + has set in the Windows Control Panel. + If the value of TZ is of the third or fourth kind -- Cygwin programs + understand these syntaxes as well --, it does not matter whether we + neutralize it or not, since these values occur only when a Cygwin user + has set TZ explicitly; this case is 1. rare and 2. under the user's + responsibility. */ const char *tz = getenv ("TZ"); if (tz != NULL && strchr (tz, '/') != NULL) _putenv ("TZ="); diff --git a/lib/stat-time.h b/lib/stat-time.h index 154d62a01f5..88dcc7f3e0d 100644 --- a/lib/stat-time.h +++ b/lib/stat-time.h @@ -43,8 +43,8 @@ extern "C" { time respectively. These macros are private to stat-time.h. */ -#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC -# ifdef TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC +#if _GL_WINDOWS_STAT_TIMESPEC || defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC +# if _GL_WINDOWS_STAT_TIMESPEC || defined TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC # define STAT_TIMESPEC(st, st_xtim) ((st)->st_xtim) # else # define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim.tv_nsec) diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h index d5ca343437f..1831740900b 100644 --- a/lib/sys_stat.in.h +++ b/lib/sys_stat.in.h @@ -1,4 +1,4 @@ -/* Provide a more complete sys/stat header file. +/* Provide a more complete sys/stat.h header file. Copyright (C) 2005-2017 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify @@ -72,6 +72,75 @@ # define stat _stati64 #endif +/* Optionally, override 'struct stat' on native Windows. */ +#if @GNULIB_OVERRIDES_STRUCT_STAT@ + +# undef stat +# if @GNULIB_STAT@ +# define stat rpl_stat +# else + /* Provoke a clear link error if stat() is used as a function and + module 'stat' is not in use. */ +# define stat stat_used_without_requesting_gnulib_module_stat +# endif + +# if !GNULIB_defined_struct_stat +struct stat +{ + dev_t st_dev; + ino_t st_ino; + mode_t st_mode; + nlink_t st_nlink; +# if 0 + uid_t st_uid; +# else /* uid_t is not defined by default on native Windows. */ + short st_uid; +# endif +# if 0 + gid_t st_gid; +# else /* gid_t is not defined by default on native Windows. */ + short st_gid; +# endif + dev_t st_rdev; + off_t st_size; +# if 0 + blksize_t st_blksize; + blkcnt_t st_blocks; +# endif + +# if @WINDOWS_STAT_TIMESPEC@ + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; +# else + time_t st_atime; + time_t st_mtime; + time_t st_ctime; +# endif +}; +# if @WINDOWS_STAT_TIMESPEC@ +# define st_atime st_atim.tv_sec +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec + /* Indicator, for gnulib internal purposes. */ +# define _GL_WINDOWS_STAT_TIMESPEC 1 +# endif +# define GNULIB_defined_struct_stat 1 +# endif + +/* Other possible values of st_mode. */ +# if 0 +# define _S_IFBLK 0x6000 +# endif +# if 0 +# define _S_IFLNK 0xA000 +# endif +# if 0 +# define _S_IFSOCK 0xC000 +# endif + +#endif + #ifndef S_IFIFO # ifdef _S_IFIFO # define S_IFIFO _S_IFIFO @@ -345,6 +414,9 @@ _GL_CXXALIAS_RPL (fstat, int, (int fd, struct stat *buf)); _GL_CXXALIAS_SYS (fstat, int, (int fd, struct stat *buf)); # endif _GL_CXXALIASWARN (fstat); +#elif @GNULIB_OVERRIDES_STRUCT_STAT@ +# undef fstat +# define fstat fstat_used_without_requesting_gnulib_module_fstat #elif @WINDOWS_64_BIT_ST_SIZE@ /* Above, we define stat to _stati64. */ # define fstat _fstati64 @@ -378,6 +450,9 @@ _GL_CXXALIAS_SYS (fstatat, int, (int fd, char const *name, struct stat *st, int flags)); # endif _GL_CXXALIASWARN (fstatat); +#elif @GNULIB_OVERRIDES_STRUCT_STAT@ +# undef fstatat +# define fstatat fstatat_used_without_requesting_gnulib_module_fstatat #elif defined GNULIB_POSIXCHECK # undef fstatat # if HAVE_RAW_DECL_FSTATAT @@ -476,6 +551,9 @@ _GL_CXXALIAS_SYS (lstat, int, (const char *name, struct stat *buf)); # if @HAVE_LSTAT@ _GL_CXXALIASWARN (lstat); # endif +#elif @GNULIB_OVERRIDES_STRUCT_STAT@ +# undef lstat +# define lstat lstat_used_without_requesting_gnulib_module_lstat #elif defined GNULIB_POSIXCHECK # undef lstat # if HAVE_RAW_DECL_LSTAT @@ -625,63 +703,69 @@ _GL_WARN_ON_USE (mknodat, "mknodat is not portable - " #if @GNULIB_STAT@ # if @REPLACE_STAT@ -/* We can't use the object-like #define stat rpl_stat, because of - struct stat. This means that rpl_stat will not be used if the user - does (stat)(a,b). Oh well. */ -# if defined _AIX && defined stat && defined _LARGE_FILES - /* With _LARGE_FILES defined, AIX (only) defines stat to stat64, - so we have to replace stat64() instead of stat(). */ -# undef stat64 -# define stat64(name, st) rpl_stat (name, st) -# elif @WINDOWS_64_BIT_ST_SIZE@ - /* Above, we define stat to _stati64. */ -# if defined __MINGW32__ && defined _stati64 -# ifndef _USE_32BIT_TIME_T - /* The system headers define _stati64 to _stat64. */ -# undef _stat64 -# define _stat64(name, st) rpl_stat (name, st) +# if !@GNULIB_OVERRIDES_STRUCT_STAT@ + /* We can't use the object-like #define stat rpl_stat, because of + struct stat. This means that rpl_stat will not be used if the user + does (stat)(a,b). Oh well. */ +# if defined _AIX && defined stat && defined _LARGE_FILES + /* With _LARGE_FILES defined, AIX (only) defines stat to stat64, + so we have to replace stat64() instead of stat(). */ +# undef stat64 +# define stat64(name, st) rpl_stat (name, st) +# elif @WINDOWS_64_BIT_ST_SIZE@ + /* Above, we define stat to _stati64. */ +# if defined __MINGW32__ && defined _stati64 +# ifndef _USE_32BIT_TIME_T + /* The system headers define _stati64 to _stat64. */ +# undef _stat64 +# define _stat64(name, st) rpl_stat (name, st) +# endif +# elif defined _MSC_VER && defined _stati64 +# ifdef _USE_32BIT_TIME_T + /* The system headers define _stati64 to _stat32i64. */ +# undef _stat32i64 +# define _stat32i64(name, st) rpl_stat (name, st) +# else + /* The system headers define _stati64 to _stat64. */ +# undef _stat64 +# define _stat64(name, st) rpl_stat (name, st) +# endif +# else +# undef _stati64 +# define _stati64(name, st) rpl_stat (name, st) # endif -# elif defined _MSC_VER && defined _stati64 +# elif defined __MINGW32__ && defined stat # ifdef _USE_32BIT_TIME_T - /* The system headers define _stati64 to _stat32i64. */ + /* The system headers define stat to _stat32i64. */ # undef _stat32i64 # define _stat32i64(name, st) rpl_stat (name, st) # else - /* The system headers define _stati64 to _stat64. */ + /* The system headers define stat to _stat64. */ # undef _stat64 # define _stat64(name, st) rpl_stat (name, st) # endif -# else -# undef _stati64 -# define _stati64(name, st) rpl_stat (name, st) -# endif -# elif defined __MINGW32__ && defined stat -# ifdef _USE_32BIT_TIME_T - /* The system headers define stat to _stat32i64. */ -# undef _stat32i64 -# define _stat32i64(name, st) rpl_stat (name, st) -# else - /* The system headers define stat to _stat64. */ -# undef _stat64 -# define _stat64(name, st) rpl_stat (name, st) -# endif -# elif defined _MSC_VER && defined stat -# ifdef _USE_32BIT_TIME_T - /* The system headers define stat to _stat32. */ -# undef _stat32 -# define _stat32(name, st) rpl_stat (name, st) -# else - /* The system headers define stat to _stat64i32. */ -# undef _stat64i32 -# define _stat64i32(name, st) rpl_stat (name, st) -# endif -# else /* !(_AIX ||__MINGW32__ || _MSC_VER) */ -# undef stat -# define stat(name, st) rpl_stat (name, st) -# endif /* !_LARGE_FILES */ +# elif defined _MSC_VER && defined stat +# ifdef _USE_32BIT_TIME_T + /* The system headers define stat to _stat32. */ +# undef _stat32 +# define _stat32(name, st) rpl_stat (name, st) +# else + /* The system headers define stat to _stat64i32. */ +# undef _stat64i32 +# define _stat64i32(name, st) rpl_stat (name, st) +# endif +# else /* !(_AIX || __MINGW32__ || _MSC_VER) */ +# undef stat +# define stat(name, st) rpl_stat (name, st) +# endif /* !_LARGE_FILES */ +# endif /* !@GNULIB_OVERRIDES_STRUCT_STAT@ */ _GL_EXTERN_C int stat (const char *name, struct stat *buf) _GL_ARG_NONNULL ((1, 2)); # endif +#elif @GNULIB_OVERRIDES_STRUCT_STAT@ +/* see above: + #define stat stat_used_without_requesting_gnulib_module_stat + */ #elif defined GNULIB_POSIXCHECK # undef stat # if HAVE_RAW_DECL_STAT diff --git a/lib/unistd.in.h b/lib/unistd.in.h index cb9321e502d..f366caffa55 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1457,6 +1457,36 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " #endif +#if @GNULIB_TRUNCATE@ +/* Change the size of the file designated by FILENAME to become equal to LENGTH. + Return 0 if successful, otherwise -1 and errno set. + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html>. */ +# if @REPLACE_TRUNCATE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef truncate +# define truncate rpl_truncate +# endif +_GL_FUNCDECL_RPL (truncate, int, (const char *filename, off_t length) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (truncate, int, (const char *filename, off_t length)); +# else +# if !@HAVE_TRUNCATE@ +_GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length) + _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length)); +# endif +_GL_CXXALIASWARN (truncate); +#elif defined GNULIB_POSIXCHECK +# undef truncate +# if HAVE_RAW_DECL_TRUNCATE +_GL_WARN_ON_USE (truncate, "truncate is unportable - " + "use gnulib module truncate for portability"); +# endif +#endif + + #if @GNULIB_TTYNAME_R@ /* Store at most BUFLEN characters of the pathname of the terminal FD is open on in BUF. Return 0 on success, otherwise an error number. */ diff --git a/lib/utimens.c b/lib/utimens.c index b4bfa8e3222..ff4eab073c1 100644 --- a/lib/utimens.c +++ b/lib/utimens.c @@ -44,7 +44,11 @@ # define USE_SETFILETIME # define WIN32_LEAN_AND_MEAN # include <windows.h> -# include "msvc-nothrow.h" +# if GNULIB_MSVC_NOTHROW +# include "msvc-nothrow.h" +# else +# include <io.h> +# endif #endif /* Avoid recursion with rpl_futimens or rpl_utimensat. */ |