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authorPaul Eggert <eggert@cs.ucla.edu>2023-02-04 14:45:11 -0800
committerPaul Eggert <eggert@cs.ucla.edu>2023-02-04 15:14:16 -0800
commit04d97e76a96854a9a9f4778cb1202a87537731de (patch)
tree9c70da51ec099c2c1c0ca95dbace29190e563f8a /lib
parent7e1c7db1cb5a33a66115bb767224bdc79a257266 (diff)
downloademacs-04d97e76a96854a9a9f4778cb1202a87537731de.tar.gz
Update from Gnulib by running admin/merge-gnulib
Diffstat (limited to 'lib')
-rw-r--r--lib/_Noreturn.h5
-rw-r--r--lib/cdefs.h40
-rw-r--r--lib/fpending.c2
-rw-r--r--lib/gnulib.mk.in52
-rw-r--r--lib/inttypes.in.h34
-rw-r--r--lib/libc-config.h22
-rw-r--r--lib/openat-proc.c27
-rw-r--r--lib/stdalign.in.h120
-rw-r--r--lib/stdio-impl.h8
-rw-r--r--lib/stdio.in.h6
-rw-r--r--lib/stdlib.in.h141
-rw-r--r--lib/string.in.h42
-rw-r--r--lib/sys_stat.in.h8
-rw-r--r--lib/time.in.h18
-rw-r--r--lib/unistd.in.h80
-rw-r--r--lib/verify.h17
16 files changed, 451 insertions, 171 deletions
diff --git a/lib/_Noreturn.h b/lib/_Noreturn.h
index fa15b1b25e8..6ecea98b54a 100644
--- a/lib/_Noreturn.h
+++ b/lib/_Noreturn.h
@@ -26,6 +26,11 @@
AIX system header files and several gnulib header files use precisely
this syntax with 'extern'. */
# define _Noreturn [[noreturn]]
+# elif (defined __clang__ && __clang_major__ < 16 \
+ && defined _GL_WORK_AROUND_LLVM_BUG_59792)
+ /* Compile with -D_GL_WORK_AROUND_LLVM_BUG_59792 to work around
+ that rare LLVM bug, though you may get many false-alarm warnings. */
+# define _Noreturn
# elif ((!defined __cplusplus || defined __clang__) \
&& (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \
|| (!defined __STRICT_ANSI__ \
diff --git a/lib/cdefs.h b/lib/cdefs.h
index 09a3d19b23b..412f036ce35 100644
--- a/lib/cdefs.h
+++ b/lib/cdefs.h
@@ -140,32 +140,37 @@
#endif
+/* Gnulib avoids these definitions, as they don't work on non-glibc platforms.
+ In particular, __bos and __bos0 are defined differently in the Android libc.
+ */
+#ifndef __GNULIB_CDEFS
+
/* Fortify support. */
-#define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
-#define __bos0(ptr) __builtin_object_size (ptr, 0)
+# define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
+# define __bos0(ptr) __builtin_object_size (ptr, 0)
/* Use __builtin_dynamic_object_size at _FORTIFY_SOURCE=3 when available. */
-#if __USE_FORTIFY_LEVEL == 3 && (__glibc_clang_prereq (9, 0) \
- || __GNUC_PREREQ (12, 0))
-# define __glibc_objsize0(__o) __builtin_dynamic_object_size (__o, 0)
-# define __glibc_objsize(__o) __builtin_dynamic_object_size (__o, 1)
-#else
-# define __glibc_objsize0(__o) __bos0 (__o)
-# define __glibc_objsize(__o) __bos (__o)
-#endif
+# if __USE_FORTIFY_LEVEL == 3 && (__glibc_clang_prereq (9, 0) \
+ || __GNUC_PREREQ (12, 0))
+# define __glibc_objsize0(__o) __builtin_dynamic_object_size (__o, 0)
+# define __glibc_objsize(__o) __builtin_dynamic_object_size (__o, 1)
+# else
+# define __glibc_objsize0(__o) __bos0 (__o)
+# define __glibc_objsize(__o) __bos (__o)
+# endif
/* Compile time conditions to choose between the regular, _chk and _chk_warn
variants. These conditions should get evaluated to constant and optimized
away. */
-#define __glibc_safe_len_cond(__l, __s, __osz) ((__l) <= (__osz) / (__s))
-#define __glibc_unsigned_or_positive(__l) \
+# define __glibc_safe_len_cond(__l, __s, __osz) ((__l) <= (__osz) / (__s))
+# define __glibc_unsigned_or_positive(__l) \
((__typeof (__l)) 0 < (__typeof (__l)) -1 \
|| (__builtin_constant_p (__l) && (__l) > 0))
/* Length is known to be safe at compile time if the __L * __S <= __OBJSZ
condition can be folded to a constant and if it is true, or unknown (-1) */
-#define __glibc_safe_or_unknown_len(__l, __s, __osz) \
+# define __glibc_safe_or_unknown_len(__l, __s, __osz) \
((__osz) == (__SIZE_TYPE__) -1 \
|| (__glibc_unsigned_or_positive (__l) \
&& __builtin_constant_p (__glibc_safe_len_cond ((__SIZE_TYPE__) (__l), \
@@ -175,7 +180,7 @@
/* Conversely, we know at compile time that the length is unsafe if the
__L * __S <= __OBJSZ condition can be folded to a constant and if it is
false. */
-#define __glibc_unsafe_len(__l, __s, __osz) \
+# define __glibc_unsafe_len(__l, __s, __osz) \
(__glibc_unsigned_or_positive (__l) \
&& __builtin_constant_p (__glibc_safe_len_cond ((__SIZE_TYPE__) (__l), \
__s, __osz)) \
@@ -184,7 +189,7 @@
/* Fortify function f. __f_alias, __f_chk and __f_chk_warn must be
declared. */
-#define __glibc_fortify(f, __l, __s, __osz, ...) \
+# define __glibc_fortify(f, __l, __s, __osz, ...) \
(__glibc_safe_or_unknown_len (__l, __s, __osz) \
? __ ## f ## _alias (__VA_ARGS__) \
: (__glibc_unsafe_len (__l, __s, __osz) \
@@ -194,13 +199,16 @@
/* Fortify function f, where object size argument passed to f is the number of
elements and not total size. */
-#define __glibc_fortify_n(f, __l, __s, __osz, ...) \
+# define __glibc_fortify_n(f, __l, __s, __osz, ...) \
(__glibc_safe_or_unknown_len (__l, __s, __osz) \
? __ ## f ## _alias (__VA_ARGS__) \
: (__glibc_unsafe_len (__l, __s, __osz) \
? __ ## f ## _chk_warn (__VA_ARGS__, (__osz) / (__s)) \
: __ ## f ## _chk (__VA_ARGS__, (__osz) / (__s)))) \
+#endif
+
+
#if __GNUC_PREREQ (4,3)
# define __warnattr(msg) __attribute__((__warning__ (msg)))
# define __errordecl(name, msg) \
diff --git a/lib/fpending.c b/lib/fpending.c
index afa840b8512..e57155e586e 100644
--- a/lib/fpending.c
+++ b/lib/fpending.c
@@ -41,7 +41,7 @@ __fpending (FILE *fp)
return fp->_IO_write_ptr - fp->_IO_write_base;
#elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
/* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin < 1.7.34, Minix 3, Android */
- return fp->_p - fp->_bf._base;
+ return fp_->_p - fp_->_bf._base;
#elif defined __EMX__ /* emx+gcc */
return fp->_ptr - fp->_buffer;
#elif defined __minix /* Minix */
diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in
index 2097850c812..2e052465c79 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -411,6 +411,7 @@ GL_GNULIB_GETOPT_POSIX = @GL_GNULIB_GETOPT_POSIX@
GL_GNULIB_GETPAGESIZE = @GL_GNULIB_GETPAGESIZE@
GL_GNULIB_GETPASS = @GL_GNULIB_GETPASS@
GL_GNULIB_GETPASS_GNU = @GL_GNULIB_GETPASS_GNU@
+GL_GNULIB_GETPROGNAME = @GL_GNULIB_GETPROGNAME@
GL_GNULIB_GETRANDOM = @GL_GNULIB_GETRANDOM@
GL_GNULIB_GETSUBOPT = @GL_GNULIB_GETSUBOPT@
GL_GNULIB_GETTIMEOFDAY = @GL_GNULIB_GETTIMEOFDAY@
@@ -734,6 +735,7 @@ HAVE_GETLOGIN = @HAVE_GETLOGIN@
HAVE_GETOPT_H = @HAVE_GETOPT_H@
HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
HAVE_GETPASS = @HAVE_GETPASS@
+HAVE_GETPROGNAME = @HAVE_GETPROGNAME@
HAVE_GETRANDOM = @HAVE_GETRANDOM@
HAVE_GETSUBOPT = @HAVE_GETSUBOPT@
HAVE_GETTIMEOFDAY = @HAVE_GETTIMEOFDAY@
@@ -741,6 +743,8 @@ HAVE_GETUMASK = @HAVE_GETUMASK@
HAVE_GRANTPT = @HAVE_GRANTPT@
HAVE_GROUP_MEMBER = @HAVE_GROUP_MEMBER@
HAVE_GSETTINGS = @HAVE_GSETTINGS@
+HAVE_IMAXABS = @HAVE_IMAXABS@
+HAVE_IMAXDIV = @HAVE_IMAXDIV@
HAVE_IMAXDIV_T = @HAVE_IMAXDIV_T@
HAVE_INITSTATE = @HAVE_INITSTATE@
HAVE_INTTYPES_H = @HAVE_INTTYPES_H@
@@ -823,6 +827,7 @@ HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
HAVE_SIGSET_T = @HAVE_SIGSET_T@
HAVE_SLEEP = @HAVE_SLEEP@
HAVE_SPAWN_H = @HAVE_SPAWN_H@
+HAVE_STDALIGN_H = @HAVE_STDALIGN_H@
HAVE_STDINT_H = @HAVE_STDINT_H@
HAVE_STPCPY = @HAVE_STPCPY@
HAVE_STPNCPY = @HAVE_STPNCPY@
@@ -974,6 +979,7 @@ NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H@
NEXT_AS_FIRST_DIRECTIVE_LIMITS_H = @NEXT_AS_FIRST_DIRECTIVE_LIMITS_H@
NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H = @NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H@
+NEXT_AS_FIRST_DIRECTIVE_STDALIGN_H = @NEXT_AS_FIRST_DIRECTIVE_STDALIGN_H@
NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
@@ -993,6 +999,7 @@ NEXT_GETOPT_H = @NEXT_GETOPT_H@
NEXT_INTTYPES_H = @NEXT_INTTYPES_H@
NEXT_LIMITS_H = @NEXT_LIMITS_H@
NEXT_SIGNAL_H = @NEXT_SIGNAL_H@
+NEXT_STDALIGN_H = @NEXT_STDALIGN_H@
NEXT_STDDEF_H = @NEXT_STDDEF_H@
NEXT_STDINT_H = @NEXT_STDINT_H@
NEXT_STDIO_H = @NEXT_STDIO_H@
@@ -1061,6 +1068,7 @@ REPLACE_DIRFD = @REPLACE_DIRFD@
REPLACE_DPRINTF = @REPLACE_DPRINTF@
REPLACE_DUP = @REPLACE_DUP@
REPLACE_DUP2 = @REPLACE_DUP2@
+REPLACE_DUP3 = @REPLACE_DUP3@
REPLACE_EXECL = @REPLACE_EXECL@
REPLACE_EXECLE = @REPLACE_EXECLE@
REPLACE_EXECLP = @REPLACE_EXECLP@
@@ -1073,6 +1081,7 @@ REPLACE_FCHMODAT = @REPLACE_FCHMODAT@
REPLACE_FCHOWNAT = @REPLACE_FCHOWNAT@
REPLACE_FCLOSE = @REPLACE_FCLOSE@
REPLACE_FCNTL = @REPLACE_FCNTL@
+REPLACE_FDATASYNC = @REPLACE_FDATASYNC@
REPLACE_FDOPEN = @REPLACE_FDOPEN@
REPLACE_FDOPENDIR = @REPLACE_FDOPENDIR@
REPLACE_FFLUSH = @REPLACE_FFLUSH@
@@ -1095,15 +1104,21 @@ REPLACE_GETCWD = @REPLACE_GETCWD@
REPLACE_GETDELIM = @REPLACE_GETDELIM@
REPLACE_GETDOMAINNAME = @REPLACE_GETDOMAINNAME@
REPLACE_GETDTABLESIZE = @REPLACE_GETDTABLESIZE@
+REPLACE_GETENTROPY = @REPLACE_GETENTROPY@
REPLACE_GETGROUPS = @REPLACE_GETGROUPS@
REPLACE_GETLINE = @REPLACE_GETLINE@
+REPLACE_GETLOADAVG = @REPLACE_GETLOADAVG@
REPLACE_GETLOGIN_R = @REPLACE_GETLOGIN_R@
REPLACE_GETPAGESIZE = @REPLACE_GETPAGESIZE@
REPLACE_GETPASS = @REPLACE_GETPASS@
REPLACE_GETPASS_FOR_GETPASS_GNU = @REPLACE_GETPASS_FOR_GETPASS_GNU@
+REPLACE_GETPROGNAME = @REPLACE_GETPROGNAME@
REPLACE_GETRANDOM = @REPLACE_GETRANDOM@
+REPLACE_GETSUBOPT = @REPLACE_GETSUBOPT@
REPLACE_GETTIMEOFDAY = @REPLACE_GETTIMEOFDAY@
REPLACE_GMTIME = @REPLACE_GMTIME@
+REPLACE_IMAXABS = @REPLACE_IMAXABS@
+REPLACE_IMAXDIV = @REPLACE_IMAXDIV@
REPLACE_INITSTATE = @REPLACE_INITSTATE@
REPLACE_ISATTY = @REPLACE_ISATTY@
REPLACE_LCHOWN = @REPLACE_LCHOWN@
@@ -1118,11 +1133,14 @@ REPLACE_MALLOC_FOR_MALLOC_POSIX = @REPLACE_MALLOC_FOR_MALLOC_POSIX@
REPLACE_MBTOWC = @REPLACE_MBTOWC@
REPLACE_MEMCHR = @REPLACE_MEMCHR@
REPLACE_MEMMEM = @REPLACE_MEMMEM@
+REPLACE_MEMPCPY = @REPLACE_MEMPCPY@
REPLACE_MKDIR = @REPLACE_MKDIR@
REPLACE_MKFIFO = @REPLACE_MKFIFO@
REPLACE_MKFIFOAT = @REPLACE_MKFIFOAT@
REPLACE_MKNOD = @REPLACE_MKNOD@
REPLACE_MKNODAT = @REPLACE_MKNODAT@
+REPLACE_MKOSTEMP = @REPLACE_MKOSTEMP@
+REPLACE_MKOSTEMPS = @REPLACE_MKOSTEMPS@
REPLACE_MKSTEMP = @REPLACE_MKSTEMP@
REPLACE_MKTIME = @REPLACE_MKTIME@
REPLACE_NANOSLEEP = @REPLACE_NANOSLEEP@
@@ -1132,8 +1150,10 @@ REPLACE_OPEN = @REPLACE_OPEN@
REPLACE_OPENAT = @REPLACE_OPENAT@
REPLACE_OPENDIR = @REPLACE_OPENDIR@
REPLACE_PERROR = @REPLACE_PERROR@
+REPLACE_PIPE2 = @REPLACE_PIPE2@
REPLACE_POPEN = @REPLACE_POPEN@
REPLACE_POSIX_MEMALIGN = @REPLACE_POSIX_MEMALIGN@
+REPLACE_POSIX_OPENPT = @REPLACE_POSIX_OPENPT@
REPLACE_PREAD = @REPLACE_PREAD@
REPLACE_PRINTF = @REPLACE_PRINTF@
REPLACE_PSELECT = @REPLACE_PSELECT@
@@ -1159,6 +1179,7 @@ REPLACE_RENAMEAT = @REPLACE_RENAMEAT@
REPLACE_RMDIR = @REPLACE_RMDIR@
REPLACE_SELECT = @REPLACE_SELECT@
REPLACE_SETENV = @REPLACE_SETENV@
+REPLACE_SETHOSTNAME = @REPLACE_SETHOSTNAME@
REPLACE_SETSTATE = @REPLACE_SETSTATE@
REPLACE_SLEEP = @REPLACE_SLEEP@
REPLACE_SNPRINTF = @REPLACE_SNPRINTF@
@@ -1166,6 +1187,7 @@ REPLACE_SPRINTF = @REPLACE_SPRINTF@
REPLACE_STAT = @REPLACE_STAT@
REPLACE_STDIO_READ_FUNCS = @REPLACE_STDIO_READ_FUNCS@
REPLACE_STDIO_WRITE_FUNCS = @REPLACE_STDIO_WRITE_FUNCS@
+REPLACE_STPCPY = @REPLACE_STPCPY@
REPLACE_STPNCPY = @REPLACE_STPNCPY@
REPLACE_STRCASESTR = @REPLACE_STRCASESTR@
REPLACE_STRCHRNUL = @REPLACE_STRCHRNUL@
@@ -1192,6 +1214,7 @@ REPLACE_STRUCT_TIMEVAL = @REPLACE_STRUCT_TIMEVAL@
REPLACE_SYMLINK = @REPLACE_SYMLINK@
REPLACE_SYMLINKAT = @REPLACE_SYMLINKAT@
REPLACE_TIMEGM = @REPLACE_TIMEGM@
+REPLACE_TIMESPEC_GET = @REPLACE_TIMESPEC_GET@
REPLACE_TMPFILE = @REPLACE_TMPFILE@
REPLACE_TRUNCATE = @REPLACE_TRUNCATE@
REPLACE_TTYNAME_R = @REPLACE_TTYNAME_R@
@@ -1209,6 +1232,7 @@ REPLACE_VSNPRINTF = @REPLACE_VSNPRINTF@
REPLACE_VSPRINTF = @REPLACE_VSPRINTF@
REPLACE_WCTOMB = @REPLACE_WCTOMB@
REPLACE_WRITE = @REPLACE_WRITE@
+REPLACE__EXIT = @REPLACE__EXIT@
RSVG_CFLAGS = @RSVG_CFLAGS@
RSVG_LIBS = @RSVG_LIBS@
SEPCHAR = @SEPCHAR@
@@ -2369,6 +2393,8 @@ inttypes.h: inttypes.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_U
-e 's/@''HAVE_DECL_STRTOIMAX''@/$(HAVE_DECL_STRTOIMAX)/g' \
-e 's/@''HAVE_DECL_STRTOUMAX''@/$(HAVE_DECL_STRTOUMAX)/g' \
-e 's/@''HAVE_IMAXDIV_T''@/$(HAVE_IMAXDIV_T)/g' \
+ -e 's/@''REPLACE_IMAXABS''@/$(REPLACE_IMAXABS)/g' \
+ -e 's/@''REPLACE_IMAXDIV''@/$(REPLACE_IMAXDIV)/g' \
-e 's/@''REPLACE_STRTOIMAX''@/$(REPLACE_STRTOIMAX)/g' \
-e 's/@''REPLACE_STRTOUMAX''@/$(REPLACE_STRTOUMAX)/g' \
-e 's/@''INT32_MAX_LT_INTMAX_MAX''@/$(INT32_MAX_LT_INTMAX_MAX)/g' \
@@ -2916,7 +2942,14 @@ BUILT_SOURCES += $(STDALIGN_H)
# doesn't have one that works.
ifneq (,$(GL_GENERATE_STDALIGN_H_CONDITION))
stdalign.h: stdalign.in.h $(top_builddir)/config.status
- $(gl_V_at)$(SED_HEADER_TO_AT_t) $(srcdir)/stdalign.in.h
+ $(gl_V_at)$(SED_HEADER_STDOUT) \
+ -e 's|@''GUARD_PREFIX''@|GL|g' \
+ -e 's|@''HAVE_STDALIGN_H''@|$(HAVE_STDALIGN_H)|g' \
+ -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+ -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+ -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+ -e 's|@''NEXT_STDALIGN_H''@|$(NEXT_STDALIGN_H)|g' \
+ $(srcdir)/stdalign.in.h > $@-t
$(AM_V_at)mv $@-t $@
else
stdalign.h: $(top_builddir)/config.status
@@ -3203,6 +3236,7 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) \
-e 's/@''GNULIB_CANONICALIZE_FILE_NAME''@/$(GL_GNULIB_CANONICALIZE_FILE_NAME)/g' \
-e 's/@''GNULIB_FREE_POSIX''@/$(GL_GNULIB_FREE_POSIX)/g' \
-e 's/@''GNULIB_GETLOADAVG''@/$(GL_GNULIB_GETLOADAVG)/g' \
+ -e 's/@''GNULIB_GETPROGNAME''@/$(GL_GNULIB_GETPROGNAME)/g' \
-e 's/@''GNULIB_GETSUBOPT''@/$(GL_GNULIB_GETSUBOPT)/g' \
-e 's/@''GNULIB_GRANTPT''@/$(GL_GNULIB_GRANTPT)/g' \
-e 's/@''GNULIB_MALLOC_GNU''@/$(GL_GNULIB_MALLOC_GNU)/g' \
@@ -3252,6 +3286,7 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) \
-e 's|@''HAVE_DECL_FCVT''@|$(HAVE_DECL_FCVT)|g' \
-e 's|@''HAVE_DECL_GCVT''@|$(HAVE_DECL_GCVT)|g' \
-e 's|@''HAVE_DECL_GETLOADAVG''@|$(HAVE_DECL_GETLOADAVG)|g' \
+ -e 's|@''HAVE_GETPROGNAME''@|$(HAVE_GETPROGNAME)|g' \
-e 's|@''HAVE_GETSUBOPT''@|$(HAVE_GETSUBOPT)|g' \
-e 's|@''HAVE_GRANTPT''@|$(HAVE_GRANTPT)|g' \
-e 's|@''HAVE_INITSTATE''@|$(HAVE_INITSTATE)|g' \
@@ -3287,17 +3322,24 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) \
-e 's|@''HAVE_SYS_LOADAVG_H''@|$(HAVE_SYS_LOADAVG_H)|g' \
-e 's|@''HAVE_UNLOCKPT''@|$(HAVE_UNLOCKPT)|g' \
-e 's|@''HAVE_DECL_UNSETENV''@|$(HAVE_DECL_UNSETENV)|g' \
+ -e 's|@''REPLACE__EXIT''@|$(REPLACE__EXIT)|g' \
-e 's|@''REPLACE_ALIGNED_ALLOC''@|$(REPLACE_ALIGNED_ALLOC)|g' \
-e 's|@''REPLACE_CALLOC_FOR_CALLOC_GNU''@|$(REPLACE_CALLOC_FOR_CALLOC_GNU)|g' \
-e 's|@''REPLACE_CALLOC_FOR_CALLOC_POSIX''@|$(REPLACE_CALLOC_FOR_CALLOC_POSIX)|g' \
-e 's|@''REPLACE_CANONICALIZE_FILE_NAME''@|$(REPLACE_CANONICALIZE_FILE_NAME)|g' \
-e 's|@''REPLACE_FREE''@|$(REPLACE_FREE)|g' \
+ -e 's|@''REPLACE_GETLOADAVG''@|$(REPLACE_GETLOADAVG)|g' \
+ -e 's|@''REPLACE_GETPROGNAME''@|$(REPLACE_GETPROGNAME)|g' \
+ -e 's|@''REPLACE_GETSUBOPT''@|$(REPLACE_GETSUBOPT)|g' \
-e 's|@''REPLACE_INITSTATE''@|$(REPLACE_INITSTATE)|g' \
-e 's|@''REPLACE_MALLOC_FOR_MALLOC_GNU''@|$(REPLACE_MALLOC_FOR_MALLOC_GNU)|g' \
-e 's|@''REPLACE_MALLOC_FOR_MALLOC_POSIX''@|$(REPLACE_MALLOC_FOR_MALLOC_POSIX)|g' \
-e 's|@''REPLACE_MBTOWC''@|$(REPLACE_MBTOWC)|g' \
+ -e 's|@''REPLACE_MKOSTEMP''@|$(REPLACE_MKOSTEMP)|g' \
+ -e 's|@''REPLACE_MKOSTEMPS''@|$(REPLACE_MKOSTEMPS)|g' \
-e 's|@''REPLACE_MKSTEMP''@|$(REPLACE_MKSTEMP)|g' \
-e 's|@''REPLACE_POSIX_MEMALIGN''@|$(REPLACE_POSIX_MEMALIGN)|g' \
+ -e 's|@''REPLACE_POSIX_OPENPT''@|$(REPLACE_POSIX_OPENPT)|g' \
-e 's|@''REPLACE_PTSNAME''@|$(REPLACE_PTSNAME)|g' \
-e 's|@''REPLACE_PTSNAME_R''@|$(REPLACE_PTSNAME_R)|g' \
-e 's|@''REPLACE_PUTENV''@|$(REPLACE_PUTENV)|g' \
@@ -3429,7 +3471,9 @@ string.h: string.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''REPLACE_FFSLL''@|$(REPLACE_FFSLL)|g' \
-e 's|@''REPLACE_MEMCHR''@|$(REPLACE_MEMCHR)|g' \
-e 's|@''REPLACE_MEMMEM''@|$(REPLACE_MEMMEM)|g' \
+ -e 's|@''REPLACE_MEMPCPY''@|$(REPLACE_MEMPCPY)|g' \
-e 's|@''REPLACE_FREE''@|$(REPLACE_FREE)|g' \
+ -e 's|@''REPLACE_STPCPY''@|$(REPLACE_STPCPY)|g' \
-e 's|@''REPLACE_STPNCPY''@|$(REPLACE_STPNCPY)|g' \
-e 's|@''REPLACE_STRCHRNUL''@|$(REPLACE_STRCHRNUL)|g' \
-e 's|@''REPLACE_STRDUP''@|$(REPLACE_STRDUP)|g' \
@@ -3755,6 +3799,7 @@ time.h: time.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(
-e 's|@''REPLACE_NANOSLEEP''@|$(REPLACE_NANOSLEEP)|g' \
-e 's|@''REPLACE_STRFTIME''@|$(REPLACE_STRFTIME)|g' \
-e 's|@''REPLACE_TIMEGM''@|$(REPLACE_TIMEGM)|g' \
+ -e 's|@''REPLACE_TIMESPEC_GET''@|$(REPLACE_TIMESPEC_GET)|g' \
-e 's|@''REPLACE_TZSET''@|$(REPLACE_TZSET)|g' \
-e 's|@''PTHREAD_H_DEFINES_STRUCT_TIMESPEC''@|$(PTHREAD_H_DEFINES_STRUCT_TIMESPEC)|g' \
-e 's|@''SYS_TIME_H_DEFINES_STRUCT_TIMESPEC''@|$(SYS_TIME_H_DEFINES_STRUCT_TIMESPEC)|g' \
@@ -3999,6 +4044,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''REPLACE_COPY_FILE_RANGE''@|$(REPLACE_COPY_FILE_RANGE)|g' \
-e 's|@''REPLACE_DUP''@|$(REPLACE_DUP)|g' \
-e 's|@''REPLACE_DUP2''@|$(REPLACE_DUP2)|g' \
+ -e 's|@''REPLACE_DUP3''@|$(REPLACE_DUP3)|g' \
-e 's|@''REPLACE_EXECL''@|$(REPLACE_EXECL)|g' \
-e 's|@''REPLACE_EXECLE''@|$(REPLACE_EXECLE)|g' \
-e 's|@''REPLACE_EXECLP''@|$(REPLACE_EXECLP)|g' \
@@ -4008,10 +4054,12 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''REPLACE_EXECVPE''@|$(REPLACE_EXECVPE)|g' \
-e 's|@''REPLACE_FACCESSAT''@|$(REPLACE_FACCESSAT)|g' \
-e 's|@''REPLACE_FCHOWNAT''@|$(REPLACE_FCHOWNAT)|g' \
+ -e 's|@''REPLACE_FDATASYNC''@|$(REPLACE_FDATASYNC)|g' \
-e 's|@''REPLACE_FTRUNCATE''@|$(REPLACE_FTRUNCATE)|g' \
-e 's|@''REPLACE_GETCWD''@|$(REPLACE_GETCWD)|g' \
-e 's|@''REPLACE_GETDOMAINNAME''@|$(REPLACE_GETDOMAINNAME)|g' \
-e 's|@''REPLACE_GETDTABLESIZE''@|$(REPLACE_GETDTABLESIZE)|g' \
+ -e 's|@''REPLACE_GETENTROPY''@|$(REPLACE_GETENTROPY)|g' \
-e 's|@''REPLACE_GETLOGIN_R''@|$(REPLACE_GETLOGIN_R)|g' \
-e 's|@''REPLACE_GETGROUPS''@|$(REPLACE_GETGROUPS)|g' \
-e 's|@''REPLACE_GETPAGESIZE''@|$(REPLACE_GETPAGESIZE)|g' \
@@ -4022,12 +4070,14 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''REPLACE_LINK''@|$(REPLACE_LINK)|g' \
-e 's|@''REPLACE_LINKAT''@|$(REPLACE_LINKAT)|g' \
-e 's|@''REPLACE_LSEEK''@|$(REPLACE_LSEEK)|g' \
+ -e 's|@''REPLACE_PIPE2''@|$(REPLACE_PIPE2)|g' \
-e 's|@''REPLACE_PREAD''@|$(REPLACE_PREAD)|g' \
-e 's|@''REPLACE_PWRITE''@|$(REPLACE_PWRITE)|g' \
-e 's|@''REPLACE_READ''@|$(REPLACE_READ)|g' \
-e 's|@''REPLACE_READLINK''@|$(REPLACE_READLINK)|g' \
-e 's|@''REPLACE_READLINKAT''@|$(REPLACE_READLINKAT)|g' \
-e 's|@''REPLACE_RMDIR''@|$(REPLACE_RMDIR)|g' \
+ -e 's|@''REPLACE_SETHOSTNAME''@|$(REPLACE_SETHOSTNAME)|g' \
-e 's|@''REPLACE_SLEEP''@|$(REPLACE_SLEEP)|g' \
-e 's|@''REPLACE_SYMLINK''@|$(REPLACE_SYMLINK)|g' \
-e 's|@''REPLACE_SYMLINKAT''@|$(REPLACE_SYMLINKAT)|g' \
diff --git a/lib/inttypes.in.h b/lib/inttypes.in.h
index 50a2bbfcda2..5b7ef12dc7e 100644
--- a/lib/inttypes.in.h
+++ b/lib/inttypes.in.h
@@ -903,8 +903,21 @@ extern "C" {
#endif
#if @GNULIB_IMAXABS@
-# if !@HAVE_DECL_IMAXABS@
-extern intmax_t imaxabs (intmax_t);
+# if @REPLACE_IMAXABS@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef imaxabs
+# define imaxabs rpl_imaxabs
+# endif
+_GL_FUNCDECL_RPL (imaxabs, intmax_t, (intmax_t x));
+_GL_CXXALIAS_RPL (imaxabs, intmax_t, (intmax_t x));
+# else
+# if !@HAVE_DECL_IMAXABS@
+_GL_FUNCDECL_SYS (imaxabs, intmax_t, (intmax_t x));
+# endif
+_GL_CXXALIAS_SYS (imaxabs, intmax_t, (intmax_t x));
+# endif
+# if __GLIBC__ >= 2
+_GL_CXXALIASWARN (imaxabs);
# endif
#elif defined GNULIB_POSIXCHECK
# undef imaxabs
@@ -921,8 +934,21 @@ typedef struct { intmax_t quot; intmax_t rem; } imaxdiv_t;
# define GNULIB_defined_imaxdiv_t 1
# endif
# endif
-# if !@HAVE_DECL_IMAXDIV@
-extern imaxdiv_t imaxdiv (intmax_t, intmax_t);
+# if @REPLACE_IMAXDIV@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef imaxdiv
+# define imaxdiv rpl_imaxdiv
+# endif
+_GL_FUNCDECL_RPL (imaxdiv, imaxdiv_t, (intmax_t numer, intmax_t denom));
+_GL_CXXALIAS_RPL (imaxdiv, imaxdiv_t, (intmax_t numer, intmax_t denom));
+# else
+# if !@HAVE_DECL_IMAXDIV@
+_GL_FUNCDECL_SYS (imaxdiv, imaxdiv_t, (intmax_t numer, intmax_t denom));
+# endif
+_GL_CXXALIAS_SYS (imaxdiv, imaxdiv_t, (intmax_t numer, intmax_t denom));
+# endif
+# if __GLIBC__ >= 2
+_GL_CXXALIASWARN (imaxdiv);
# endif
#elif defined GNULIB_POSIXCHECK
# undef imaxdiv
diff --git a/lib/libc-config.h b/lib/libc-config.h
index 1d28e58c971..5f5ad010377 100644
--- a/lib/libc-config.h
+++ b/lib/libc-config.h
@@ -137,8 +137,6 @@
# undef __attribute_returns_twice__
# undef __attribute_used__
# undef __attribute_warn_unused_result__
-# undef __bos
-# undef __bos0
# undef __errordecl
# undef __extension__
# undef __extern_always_inline
@@ -147,21 +145,13 @@
# undef __fortified_attr_access
# undef __fortify_function
# undef __glibc_c99_flexarr_available
-# undef __glibc_fortify
-# undef __glibc_fortify_n
# undef __glibc_has_attribute
# undef __glibc_has_builtin
# undef __glibc_has_extension
# undef __glibc_likely
# undef __glibc_macro_warning
# undef __glibc_macro_warning1
-# undef __glibc_objsize
-# undef __glibc_objsize0
-# undef __glibc_safe_len_cond
-# undef __glibc_safe_or_unknown_len
# undef __glibc_unlikely
-# undef __glibc_unsafe_len
-# undef __glibc_unsigned_or_positive
# undef __inline
# undef __ptr_t
# undef __restrict
@@ -170,6 +160,18 @@
# undef __va_arg_pack_len
# undef __warnattr
# undef __wur
+# ifndef __GNULIB_CDEFS
+# undef __bos
+# undef __bos0
+# undef __glibc_fortify
+# undef __glibc_fortify_n
+# undef __glibc_objsize
+# undef __glibc_objsize0
+# undef __glibc_safe_len_cond
+# undef __glibc_safe_or_unknown_len
+# undef __glibc_unsafe_len
+# undef __glibc_unsigned_or_positive
+# endif
/* Include our copy of glibc <sys/cdefs.h>. */
# include <cdefs.h>
diff --git a/lib/openat-proc.c b/lib/openat-proc.c
index 2a6a85f0696..88f70be4f59 100644
--- a/lib/openat-proc.c
+++ b/lib/openat-proc.c
@@ -30,9 +30,12 @@
#include <string.h>
#include <unistd.h>
-#ifdef __KLIBC__
+#ifdef __KLIBC__ /* OS/2 */
# include <InnoTekLIBC/backend.h>
#endif
+#ifdef __MVS__ /* z/OS */
+# include <termios.h>
+#endif
#include "intprops.h"
@@ -53,7 +56,8 @@ openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file)
return buf;
}
-#ifndef __KLIBC__
+#if !(defined __KLIBC__ || defined __MVS__)
+ /* Generic code for Linux, Solaris, and similar platforms. */
# define PROC_SELF_FD_FORMAT "/proc/self/fd/%d/"
{
enum {
@@ -107,14 +111,29 @@ openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file)
dirlen = sprintf (result, PROC_SELF_FD_FORMAT, fd);
}
}
-#else
+#else /* (defined __KLIBC__ || defined __MVS__), i.e. OS/2 or z/OS */
/* OS/2 kLIBC provides a function to retrieve a path from a fd. */
{
- char dir[_MAX_PATH];
size_t bufsize;
+# ifdef __KLIBC__
+ char dir[_MAX_PATH];
if (__libc_Back_ioFHToPath (fd, dir, sizeof dir))
return NULL;
+# endif
+# ifdef __MVS__
+ char dir[_XOPEN_PATH_MAX];
+ /* Documentation:
+ https://www.ibm.com/docs/en/zos/2.2.0?topic=functions-w-ioctl-w-pioctl-control-devices */
+ if (w_ioctl (fd, _IOCC_GPN, sizeof dir, dir) < 0)
+ return NULL;
+ /* Documentation:
+ https://www.ibm.com/docs/en/zos/2.2.0?topic=functions-e2a-l-convert-characters-from-ebcdic-ascii */
+ dirlen = __e2a_l (dir, strlen (dir));
+ if (dirlen < 0 || dirlen >= sizeof dir)
+ return NULL;
+ dir[dirlen] = '\0';
+# endif
dirlen = strlen (dir);
bufsize = dirlen + 1 + strlen (file) + 1; /* 1 for '/', 1 for null */
diff --git a/lib/stdalign.in.h b/lib/stdalign.in.h
index 17357810c7c..b616c100fdc 100644
--- a/lib/stdalign.in.h
+++ b/lib/stdalign.in.h
@@ -17,117 +17,33 @@
/* Written by Paul Eggert and Bruno Haible. */
-#ifndef _GL_STDALIGN_H
-#define _GL_STDALIGN_H
+/* Define two obsolescent C11 macros, assuming alignas and alignof are
+ either keywords or alignasof-defined macros. */
-/* ISO C11 <stdalign.h> for platforms that lack it.
+#ifndef _@GUARD_PREFIX@_STDALIGN_H
- References:
- ISO C11 (latest free draft
- <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf>)
- sections 6.5.3.4, 6.7.5, 7.15.
- C++11 (latest free draft
- <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf>)
- section 18.10. */
-
-/* alignof (TYPE), also known as _Alignof (TYPE), yields the alignment
- requirement of a structure member (i.e., slot or field) that is of
- type TYPE, as an integer constant expression.
-
- This differs from GCC's and clang's __alignof__ operator, which can
- yield a better-performing alignment for an object of that type. For
- example, on x86 with GCC and on Linux/x86 with clang,
- __alignof__ (double) and __alignof__ (long long) are 8, whereas
- alignof (double) and alignof (long long) are 4 unless the option
- '-malign-double' is used.
-
- The result cannot be used as a value for an 'enum' constant, if you
- want to be portable to HP-UX 10.20 cc and AIX 3.2.5 xlc. */
-
-/* FreeBSD 9.1 <sys/cdefs.h>, included by <stddef.h> and lots of other
- standard headers, defines conflicting implementations of _Alignas
- and _Alignof that are no better than ours; override them. */
-#undef _Alignas
-#undef _Alignof
-
-/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023
- <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.
- clang versions < 8.0.0 have the same bug. */
-#if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \
- || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \
- && !defined __clang__) \
- || (defined __clang__ && __clang_major__ < 8))
-# ifdef __cplusplus
-# if (201103 <= __cplusplus || defined _MSC_VER)
-# define _Alignof(type) alignof (type)
-# else
- template <class __t> struct __alignof_helper { char __a; __t __b; };
-# define _Alignof(type) offsetof (__alignof_helper<type>, __b)
-# define _GL_STDALIGN_NEEDS_STDDEF 1
-# endif
-# else
-# define _Alignof(type) offsetof (struct { char __a; type __b; }, __b)
-# define _GL_STDALIGN_NEEDS_STDDEF 1
-# endif
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
#endif
-#if ! (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER))
-# define alignof _Alignof
-#endif
-#define __alignof_is_defined 1
-
-/* alignas (A), also known as _Alignas (A), aligns a variable or type
- to the alignment A, where A is an integer constant expression. For
- example:
-
- int alignas (8) foo;
- struct s { int a; int alignas (8) bar; };
+@PRAGMA_COLUMNS@
- aligns the address of FOO and the offset of BAR to be multiples of 8.
-
- A should be a power of two that is at least the type's alignment
- and at most the implementation's alignment limit. This limit is
- 2**28 on typical GNUish hosts, and 2**13 on MSVC. To be portable
- to MSVC through at least version 10.0, A should be an integer
- constant, as MSVC does not support expressions such as 1 << 3.
- To be portable to Sun C 5.11, do not align auto variables to
- anything stricter than their default alignment.
-
- The following C11 requirements are not supported here:
-
- - If A is zero, alignas has no effect.
- - alignas can be used multiple times; the strictest one wins.
- - alignas (TYPE) is equivalent to alignas (alignof (TYPE)).
+/* We need to include the system's <stdalign.h> when it exists, because it might
+ define 'alignof' as a macro when it's not a keyword or compiler built-in. */
+#if @HAVE_STDALIGN_H@
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_STDALIGN_H@
+#endif
- */
+#ifndef _@GUARD_PREFIX@_STDALIGN_H
+#define _@GUARD_PREFIX@_STDALIGN_H
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112
-# if defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER)
-# define _Alignas(a) alignas (a)
-# elif (!defined __attribute__ \
- && ((defined __APPLE__ && defined __MACH__ \
- ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \
- : __GNUC__ && !defined __ibmxl__) \
- || (4 <= __clang_major__) \
- || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \
- || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__))
-# define _Alignas(a) __attribute__ ((__aligned__ (a)))
-# elif 1300 <= _MSC_VER
-# define _Alignas(a) __declspec (align (a))
-# endif
-#endif
-#if ((defined _Alignas \
- && !(defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER))) \
- || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__))
-# define alignas _Alignas
-#endif
#if (defined alignas \
+ || (defined __STDC_VERSION__ && 202311 <= __STDC_VERSION__) \
|| (defined __cplusplus && (201103 <= __cplusplus || defined _MSC_VER)))
# define __alignas_is_defined 1
#endif
-/* Include <stddef.h> if needed for offsetof. */
-#if _GL_STDALIGN_NEEDS_STDDEF
-# include <stddef.h>
-#endif
+#define __alignof_is_defined 1
-#endif /* _GL_STDALIGN_H */
+#endif /* _@GUARD_PREFIX@_STDALIGN_H */
+#endif /* _@GUARD_PREFIX@_STDALIGN_H */
diff --git a/lib/stdio-impl.h b/lib/stdio-impl.h
index 81e7f838372..46608bed198 100644
--- a/lib/stdio-impl.h
+++ b/lib/stdio-impl.h
@@ -71,6 +71,12 @@
# else
# define _gl_flags_file_t short
# endif
+# ifdef __LP64__
+# define _gl_file_offset_t int64_t
+# else
+ /* see https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md */
+# define _gl_file_offset_t __kernel_off_t
+# endif
/* Up to this commit from 2015-10-12
<https://android.googlesource.com/platform/bionic.git/+/f0141dfab10a4b332769d52fa76631a64741297a>
the innards of FILE were public, and fp_ub could be defined like for OpenBSD,
@@ -96,7 +102,7 @@
unsigned char _nbuf[1]; \
struct { unsigned char *_base; size_t _size; } _lb; \
int _blksize; \
- fpos_t _offset; \
+ _gl_file_offset_t _offset; \
/* More fields, not relevant here. */ \
} *) fp)
# else
diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 8b5ef4bd2dd..3f8ea985335 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -210,7 +210,9 @@ _GL_FUNCDECL_SYS (dprintf, int, (int fd, const char *restrict format, ...)
# endif
_GL_CXXALIAS_SYS (dprintf, int, (int fd, const char *restrict format, ...));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (dprintf);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef dprintf
# if HAVE_RAW_DECL_DPRINTF
@@ -882,7 +884,9 @@ _GL_CXXALIAS_SYS (getdelim, ssize_t,
int delimiter,
FILE *restrict stream));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getdelim);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getdelim
# if HAVE_RAW_DECL_GETDELIM
@@ -921,7 +925,7 @@ _GL_CXXALIAS_SYS (getline, ssize_t,
(char **restrict lineptr, size_t *restrict linesize,
FILE *restrict stream));
# endif
-# if @HAVE_DECL_GETLINE@
+# if __GLIBC__ >= 2 && @HAVE_DECL_GETLINE@
_GL_CXXALIASWARN (getline);
# endif
#elif defined GNULIB_POSIXCHECK
diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index b79e5f70965..a91f4e23d67 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -164,11 +164,22 @@ struct random_data
#if @GNULIB__EXIT@
/* Terminate the current process with the given return code, without running
the 'atexit' handlers. */
-# if !@HAVE__EXIT@
+# if @REPLACE__EXIT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef _Exit
+# define _Exit rpl__Exit
+# endif
+_GL_FUNCDECL_RPL (_Exit, _Noreturn void, (int status));
+_GL_CXXALIAS_RPL (_Exit, void, (int status));
+# else
+# if !@HAVE__EXIT@
_GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
-# endif
+# endif
_GL_CXXALIAS_SYS (_Exit, void, (int status));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (_Exit);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef _Exit
# if HAVE_RAW_DECL__EXIT
@@ -416,12 +427,24 @@ _GL_CXXALIASWARN (gcvt);
The three numbers are the load average of the last 1 minute, the last 5
minutes, and the last 15 minutes, respectively.
LOADAVG is an array of NELEM numbers. */
-# if !@HAVE_DECL_GETLOADAVG@
+# if @REPLACE_GETLOADAVG@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getloadavg
+# define getloadavg rpl_getloadavg
+# endif
+_GL_FUNCDECL_RPL (getloadavg, int, (double loadavg[], int nelem)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getloadavg, int, (double loadavg[], int nelem));
+# else
+# if !@HAVE_DECL_GETLOADAVG@
_GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
_GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getloadavg);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getloadavg
# if HAVE_RAW_DECL_GETLOADAVG
@@ -430,6 +453,41 @@ _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
# endif
#endif
+#if @GNULIB_GETPROGNAME@
+/* Return the base name of the executing program.
+ On native Windows this will usually end in ".exe" or ".EXE". */
+# if @REPLACE_GETPROGNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getprogname
+# define getprogname rpl_getprogname
+# endif
+# ifdef HAVE_DECL_PROGRAM_INVOCATION_NAME
+_GL_FUNCDECL_RPL (getprogname, const char *, (void) _GL_ATTRIBUTE_PURE);
+# else
+_GL_FUNCDECL_RPL (getprogname, const char *, (void));
+# endif
+_GL_CXXALIAS_RPL (getprogname, const char *, (void));
+# else
+# if !@HAVE_GETPROGNAME@
+# ifdef HAVE_DECL_PROGRAM_INVOCATION_NAME
+_GL_FUNCDECL_SYS (getprogname, const char *, (void) _GL_ATTRIBUTE_PURE);
+# else
+_GL_FUNCDECL_SYS (getprogname, const char *, (void));
+# endif
+# endif
+_GL_CXXALIAS_SYS (getprogname, const char *, (void));
+# endif
+# if __GLIBC__ >= 2
+_GL_CXXALIASWARN (getprogname);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getprogname
+# if HAVE_RAW_DECL_GETPROGNAME
+_GL_WARN_ON_USE (getprogname, "getprogname is unportable - "
+ "use gnulib module getprogname for portability");
+# endif
+#endif
+
#if @GNULIB_GETSUBOPT@
/* Assuming *OPTIONP is a comma separated list of elements of the form
"token" or "token=value", getsubopt parses the first of these elements.
@@ -442,14 +500,28 @@ _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
For more details see the POSIX specification.
https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsubopt.html */
-# if !@HAVE_GETSUBOPT@
+# if @REPLACE_GETSUBOPT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getsubopt
+# define getsubopt rpl_getsubopt
+# endif
+_GL_FUNCDECL_RPL (getsubopt, int,
+ (char **optionp, char *const *tokens, char **valuep)
+ _GL_ARG_NONNULL ((1, 2, 3)));
+_GL_CXXALIAS_RPL (getsubopt, int,
+ (char **optionp, char *const *tokens, char **valuep));
+# else
+# if !@HAVE_GETSUBOPT@
_GL_FUNCDECL_SYS (getsubopt, int,
(char **optionp, char *const *tokens, char **valuep)
_GL_ARG_NONNULL ((1, 2, 3)));
-# endif
+# endif
_GL_CXXALIAS_SYS (getsubopt, int,
(char **optionp, char *const *tokens, char **valuep));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getsubopt);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getsubopt
# if HAVE_RAW_DECL_GETSUBOPT
@@ -579,12 +651,24 @@ _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
implementation.
Returns the open file descriptor if successful, otherwise -1 and errno
set. */
-# if !@HAVE_MKOSTEMP@
+# if @REPLACE_MKOSTEMP@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef mkostemp
+# define mkostemp rpl_mkostemp
+# endif
+_GL_FUNCDECL_RPL (mkostemp, int, (char * /*template*/, int /*flags*/)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (mkostemp, int, (char * /*template*/, int /*flags*/));
+# else
+# if !@HAVE_MKOSTEMP@
_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (mkostemp);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef mkostemp
# if HAVE_RAW_DECL_MKOSTEMP
@@ -607,14 +691,28 @@ _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
implementation.
Returns the open file descriptor if successful, otherwise -1 and errno
set. */
-# if !@HAVE_MKOSTEMPS@
+# if @REPLACE_MKOSTEMPS@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef mkostemps
+# define mkostemps rpl_mkostemps
+# endif
+_GL_FUNCDECL_RPL (mkostemps, int,
+ (char * /*template*/, int /*suffixlen*/, int /*flags*/)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (mkostemps, int,
+ (char * /*template*/, int /*suffixlen*/, int /*flags*/));
+# else
+# if !@HAVE_MKOSTEMPS@
_GL_FUNCDECL_SYS (mkostemps, int,
(char * /*template*/, int /*suffixlen*/, int /*flags*/)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
_GL_CXXALIAS_SYS (mkostemps, int,
(char * /*template*/, int /*suffixlen*/, int /*flags*/));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (mkostemps);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef mkostemps
# if HAVE_RAW_DECL_MKOSTEMPS
@@ -713,7 +811,7 @@ _GL_CXXALIAS_SYS (posix_memalign, int,
(void **memptr, size_t alignment, size_t size));
# endif
# endif
-# if @HAVE_POSIX_MEMALIGN@
+# if __GLIBC__ >= 2 && @HAVE_POSIX_MEMALIGN@
_GL_CXXALIASWARN (posix_memalign);
# endif
#elif defined GNULIB_POSIXCHECK
@@ -727,11 +825,22 @@ _GL_WARN_ON_USE (posix_memalign, "posix_memalign is not portable - "
#if @GNULIB_POSIX_OPENPT@
/* Return an FD open to the master side of a pseudo-terminal. Flags should
include O_RDWR, and may also include O_NOCTTY. */
-# if !@HAVE_POSIX_OPENPT@
+# if @REPLACE_POSIX_OPENPT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef posix_openpt
+# define posix_openpt rpl_posix_openpt
+# endif
+_GL_FUNCDECL_RPL (posix_openpt, int, (int flags));
+_GL_CXXALIAS_RPL (posix_openpt, int, (int flags));
+# else
+# if !@HAVE_POSIX_OPENPT@
_GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
-# endif
+# endif
_GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_openpt);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_openpt
# if HAVE_RAW_DECL_POSIX_OPENPT
@@ -956,7 +1065,9 @@ _GL_FUNCDECL_SYS (initstate, char *,
_GL_CXXALIAS_SYS_CAST (initstate, char *,
(unsigned int seed, char *buf, size_t buf_size));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (initstate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef initstate
# if HAVE_RAW_DECL_INITSTATE
@@ -981,7 +1092,9 @@ _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
is const char *arg_state. */
_GL_CXXALIAS_SYS_CAST (setstate, char *, (char *arg_state));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (setstate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef setstate
# if HAVE_RAW_DECL_SETSTATE
@@ -1167,7 +1280,9 @@ _GL_FUNCDECL_SYS (reallocarray, void *,
_GL_CXXALIAS_SYS (reallocarray, void *,
(void *ptr, size_t nmemb, size_t size));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (reallocarray);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef reallocarray
# if HAVE_RAW_DECL_REALLOCARRAY
diff --git a/lib/string.in.h b/lib/string.in.h
index b227a178873..aa088213927 100644
--- a/lib/string.in.h
+++ b/lib/string.in.h
@@ -308,16 +308,32 @@ _GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - "
/* Copy N bytes of SRC to DEST, return pointer to bytes after the
last written byte. */
#if @GNULIB_MEMPCPY@
-# if ! @HAVE_MEMPCPY@
+# if @REPLACE_MEMPCPY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef mempcpy
+# define mempcpy rpl_mempcpy
+# endif
+_GL_FUNCDECL_RPL (mempcpy, void *,
+ (void *restrict __dest, void const *restrict __src,
+ size_t __n)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (mempcpy, void *,
+ (void *restrict __dest, void const *restrict __src,
+ size_t __n));
+# else
+# if !@HAVE_MEMPCPY@
_GL_FUNCDECL_SYS (mempcpy, void *,
(void *restrict __dest, void const *restrict __src,
size_t __n)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (mempcpy, void *,
(void *restrict __dest, void const *restrict __src,
size_t __n));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (mempcpy);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef mempcpy
# if HAVE_RAW_DECL_MEMPCPY
@@ -406,14 +422,28 @@ _GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - "
/* Copy SRC to DST, returning the address of the terminating '\0' in DST. */
#if @GNULIB_STPCPY@
-# if ! @HAVE_STPCPY@
+# if @REPLACE_STPCPY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef stpcpy
+# define stpcpy rpl_stpcpy
+# endif
+_GL_FUNCDECL_RPL (stpcpy, char *,
+ (char *restrict __dst, char const *restrict __src)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (stpcpy, char *,
+ (char *restrict __dst, char const *restrict __src));
+# else
+# if !@HAVE_STPCPY@
_GL_FUNCDECL_SYS (stpcpy, char *,
(char *restrict __dst, char const *restrict __src)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (stpcpy, char *,
(char *restrict __dst, char const *restrict __src));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (stpcpy);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef stpcpy
# if HAVE_RAW_DECL_STPCPY
@@ -448,7 +478,9 @@ _GL_CXXALIAS_SYS (stpncpy, char *,
(char *restrict __dst, char const *restrict __src,
size_t __n));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (stpncpy);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef stpncpy
# if HAVE_RAW_DECL_STPNCPY
@@ -1212,7 +1244,7 @@ _GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)
# endif
_GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen));
# endif
-# if @HAVE_DECL_STRERROR_R@
+# if __GLIBC__ >= 2 && @HAVE_DECL_STRERROR_R@
_GL_CXXALIASWARN (strerror_r);
# endif
#elif defined GNULIB_POSIXCHECK
diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index 096887c0162..0c2f39c12bf 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -549,7 +549,7 @@ _GL_FUNCDECL_SYS (futimens, int, (int fd, struct timespec const times[2]));
# endif
_GL_CXXALIAS_SYS (futimens, int, (int fd, struct timespec const times[2]));
# endif
-# if @HAVE_FUTIMENS@
+# if __GLIBC__ >= 2 && @HAVE_FUTIMENS@
_GL_CXXALIASWARN (futimens);
# endif
#elif defined GNULIB_POSIXCHECK
@@ -716,7 +716,9 @@ _GL_FUNCDECL_SYS (mkfifoat, int, (int fd, char const *file, mode_t mode)
# endif
_GL_CXXALIAS_SYS (mkfifoat, int, (int fd, char const *file, mode_t mode));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (mkfifoat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef mkfifoat
# if HAVE_RAW_DECL_MKFIFOAT
@@ -773,7 +775,9 @@ _GL_FUNCDECL_SYS (mknodat, int,
_GL_CXXALIAS_SYS (mknodat, int,
(int fd, char const *file, mode_t mode, dev_t dev));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (mknodat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef mknodat
# if HAVE_RAW_DECL_MKNODAT
@@ -937,7 +941,7 @@ _GL_FUNCDECL_SYS (utimensat, int, (int fd, char const *name,
_GL_CXXALIAS_SYS (utimensat, int, (int fd, char const *name,
struct timespec const times[2], int flag));
# endif
-# if @HAVE_UTIMENSAT@
+# if __GLIBC__ >= 2 && @HAVE_UTIMENSAT@
_GL_CXXALIASWARN (utimensat);
# endif
#elif defined GNULIB_POSIXCHECK
diff --git a/lib/time.in.h b/lib/time.in.h
index 50c9b30b6b3..87cda21413b 100644
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -112,12 +112,24 @@ struct __time_t_must_be_integral {
/* Set *TS to the current time, and return BASE.
Upon failure, return 0. */
# if @GNULIB_TIMESPEC_GET@
-# if ! @HAVE_TIMESPEC_GET@
+# if @REPLACE_TIMESPEC_GET@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef timespec_get
+# define timespec_get rpl_timespec_get
+# endif
+_GL_FUNCDECL_RPL (timespec_get, int, (struct timespec *ts, int base)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (timespec_get, int, (struct timespec *ts, int base));
+# else
+# if !@HAVE_TIMESPEC_GET@
_GL_FUNCDECL_SYS (timespec_get, int, (struct timespec *ts, int base)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
_GL_CXXALIAS_SYS (timespec_get, int, (struct timespec *ts, int base));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (timespec_get);
+# endif
# endif
/* Set *TS to the current time resolution, and return BASE.
@@ -423,7 +435,9 @@ _GL_FUNCDECL_SYS (timegm, time_t, (struct tm *__tm) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (timegm, time_t, (struct tm *__tm));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (timegm);
+# endif
# endif
/* Encourage applications to avoid unsafe functions that can overrun
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 4812fdb1120..bfc501e5a7d 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -541,17 +541,22 @@ _GL_CXXALIASWARN (dup2);
Return newfd if successful, otherwise -1 and errno set.
See the Linux man page at
<https://www.kernel.org/doc/man-pages/online/pages/man2/dup3.2.html>. */
-# if @HAVE_DUP3@
+# if @REPLACE_DUP3@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef dup3
# define dup3 rpl_dup3
# endif
_GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
_GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
# else
+# if !@HAVE_DUP3@
_GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
+# endif
_GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (dup3);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef dup3
# if HAVE_RAW_DECL_DUP3
@@ -870,7 +875,9 @@ _GL_FUNCDECL_SYS (execvpe, int,
_GL_CXXALIAS_SYS (execvpe, int,
(const char *program, char * const *argv, char * const *env));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (execvpe);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef execvpe
# if HAVE_RAW_DECL_EXECVPE
@@ -925,7 +932,9 @@ _GL_FUNCDECL_SYS (faccessat, int,
_GL_CXXALIAS_SYS (faccessat, int,
(int fd, char const *file, int mode, int flag));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (faccessat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef faccessat
# if HAVE_RAW_DECL_FACCESSAT
@@ -1002,11 +1011,22 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
Return 0 if successful, otherwise -1 and errno set.
See POSIX:2008 specification
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */
-# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@
+# if @REPLACE_FDATASYNC@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef fdatasync
+# define fdatasync rpl_fdatasync
+# endif
+_GL_FUNCDECL_RPL (fdatasync, int, (int fd));
+_GL_CXXALIAS_RPL (fdatasync, int, (int fd));
+# else
+# if !@HAVE_FDATASYNC@|| !@HAVE_DECL_FDATASYNC@
_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
-# endif
+# endif
_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (fdatasync);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef fdatasync
# if HAVE_RAW_DECL_FDATASYNC
@@ -1053,7 +1073,9 @@ _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
# endif
_GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (ftruncate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef ftruncate
# if HAVE_RAW_DECL_FTRUNCATE
@@ -1185,11 +1207,22 @@ _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
#if @GNULIB_GETENTROPY@
/* Fill a buffer with random bytes. */
-# if !@HAVE_GETENTROPY@
+# if @REPLACE_GETENTROPY@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getentropy
+# define getentropy rpl_getentropy
+# endif
+_GL_FUNCDECL_RPL (getentropy, int, (void *buffer, size_t length));
+_GL_CXXALIAS_RPL (getentropy, int, (void *buffer, size_t length));
+# else
+# if !@HAVE_GETENTROPY@
_GL_FUNCDECL_SYS (getentropy, int, (void *buffer, size_t length));
-# endif
+# endif
_GL_CXXALIAS_SYS (getentropy, int, (void *buffer, size_t length));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getentropy);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getentropy
# if HAVE_RAW_DECL_GETENTROPY
@@ -1323,7 +1356,9 @@ _GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size)
int size. */
_GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (getlogin_r);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef getlogin_r
# if HAVE_RAW_DECL_GETLOGIN_R
@@ -1661,7 +1696,9 @@ _GL_CXXALIAS_SYS (linkat, int,
(int fd1, const char *path1, int fd2, const char *path2,
int flag));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (linkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef linkat
# if HAVE_RAW_DECL_LINKAT
@@ -1742,8 +1779,9 @@ _GL_WARN_ON_USE (pipe, "pipe is unportable - "
Return 0 upon success, or -1 with errno set upon failure.
See also the Linux man page at
<https://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>. */
-# if @HAVE_PIPE2@
+# if @REPLACE_PIPE2@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pipe2
# define pipe2 rpl_pipe2
# endif
_GL_FUNCDECL_RPL (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
@@ -1752,7 +1790,9 @@ _GL_CXXALIAS_RPL (pipe2, int, (int fd[2], int flags));
_GL_FUNCDECL_SYS (pipe2, int, (int fd[2], int flags) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_SYS (pipe2, int, (int fd[2], int flags));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pipe2);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pipe2
# if HAVE_RAW_DECL_PIPE2
@@ -1787,7 +1827,9 @@ _GL_FUNCDECL_SYS (pread, ssize_t,
_GL_CXXALIAS_SYS (pread, ssize_t,
(int fd, void *buf, size_t bufsize, off_t offset));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pread);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pread
# if HAVE_RAW_DECL_PREAD
@@ -1822,7 +1864,9 @@ _GL_FUNCDECL_SYS (pwrite, ssize_t,
_GL_CXXALIAS_SYS (pwrite, ssize_t,
(int fd, const void *buf, size_t bufsize, off_t offset));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pwrite);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pwrite
# if HAVE_RAW_DECL_PWRITE
@@ -1936,7 +1980,9 @@ _GL_CXXALIAS_SYS (readlinkat, ssize_t,
(int fd, char const *restrict file,
char *restrict buf, size_t len));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (readlinkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef readlinkat
# if HAVE_RAW_DECL_READLINKAT
@@ -1996,15 +2042,27 @@ _GL_CXXALIASWARN (rmdir);
Platforms with no ability to set the hostname return -1 and set
errno = ENOSYS. */
-# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
+# if @REPLACE_SETHOSTNAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef sethostname
+# define sethostname rpl_sethostname
+# endif
+_GL_FUNCDECL_RPL (sethostname, int, (const char *name, size_t len)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (sethostname, int, (const char *name, size_t len));
+# else
+# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@
_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
_GL_ARG_NONNULL ((1)));
-# endif
+# endif
/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
and FreeBSD 6.4 the second parameter is int. On Solaris 11
2011-10, the first parameter is not const. */
_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));
+# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (sethostname);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef sethostname
# if HAVE_RAW_DECL_SETHOSTNAME
@@ -2113,7 +2171,9 @@ _GL_FUNCDECL_SYS (symlinkat, int,
_GL_CXXALIAS_SYS (symlinkat, int,
(char const *contents, int fd, char const *file));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (symlinkat);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef symlinkat
# if HAVE_RAW_DECL_SYMLINKAT
@@ -2143,7 +2203,9 @@ _GL_FUNCDECL_SYS (truncate, int, (const char *filename, off_t length)
# endif
_GL_CXXALIAS_SYS (truncate, int, (const char *filename, off_t length));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (truncate);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef truncate
# if HAVE_RAW_DECL_TRUNCATE
@@ -2173,7 +2235,9 @@ _GL_FUNCDECL_SYS (ttyname_r, int,
_GL_CXXALIAS_SYS (ttyname_r, int,
(int fd, char *buf, size_t buflen));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (ttyname_r);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef ttyname_r
# if HAVE_RAW_DECL_TTYNAME_R
diff --git a/lib/verify.h b/lib/verify.h
index b63cb264321..8f786af7f5a 100644
--- a/lib/verify.h
+++ b/lib/verify.h
@@ -222,7 +222,21 @@ template <int w>
/* _GL_STATIC_ASSERT_H is defined if this code is copied into assert.h. */
#ifdef _GL_STATIC_ASSERT_H
-# if !defined _GL_HAVE__STATIC_ASSERT1 && !defined _Static_assert
+/* Define _Static_assert if needed. */
+/* With clang ≥ 3.8.0 in C++ mode, _Static_assert already works and accepts
+ 1 or 2 arguments. We better don't override it, because clang's standard
+ C++ library uses static_assert inside classes in several places, and our
+ replacement via _GL_VERIFY does not work in these contexts. */
+# if (defined __cplusplus && defined __clang__ \
+ && (4 <= __clang_major__ + (8 <= __clang_minor__)))
+# if 5 <= __clang_major__
+/* Avoid "warning: 'static_assert' with no message is a C++17 extension". */
+# pragma clang diagnostic ignored "-Wc++17-extensions"
+# else
+/* Avoid "warning: static_assert with no message is a C++1z extension". */
+# pragma clang diagnostic ignored "-Wc++1z-extensions"
+# endif
+# elif !defined _GL_HAVE__STATIC_ASSERT1 && !defined _Static_assert
# if !defined _MSC_VER || defined __clang__
# define _Static_assert(...) \
_GL_VERIFY (__VA_ARGS__, "static assertion failed", -)
@@ -233,6 +247,7 @@ template <int w>
_GL_VERIFY ((R), "static assertion failed", -)
# endif
# endif
+/* Define static_assert if needed. */
# if (!defined static_assert \
&& __STDC_VERSION__ < 202311 \
&& (!defined __cplusplus \