Update from Gnulib by running admin/merge-gnulib

* admin/merge-gnulib (AVOIDED_MODULES): Avoid gnulib-i18n.
* lib/stdlib.c, m4/selinux-selinux-h.m4:
New files, taken from Gnulib.

1 files changed, 32 insertions, 11 deletions

diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index 6667f426ad9..adbef69131b 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -54,7 +54,7 @@
 
 /* This file uses _Noreturn, _GL_ATTRIBUTE_DEALLOC, _GL_ATTRIBUTE_MALLOC,
    _GL_ATTRIBUTE_NODISCARD, _GL_ATTRIBUTE_NOTHROW, _GL_ATTRIBUTE_PURE,
-   GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
+   _GL_INLINE_HEADER_BEGIN, GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
@@ -130,6 +130,14 @@ struct random_data
 # include <string>
 #endif
 
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_STDLIB_INLINE
+# define _GL_STDLIB_INLINE _GL_INLINE
+#endif
+#ifndef _GL_REALLOC_INLINE
+# define _GL_REALLOC_INLINE _GL_INLINE
+#endif
+
 /* _GL_ATTRIBUTE_DEALLOC (F, I) declares that the function returns pointers
    that can be freed by passing them as the Ith argument to the
    function F.  */
@@ -283,8 +291,8 @@ _GL_CXXALIASWARN (free);
 #elif defined GNULIB_POSIXCHECK
 # undef free
 /* Assume free is always declared.  */
-_GL_WARN_ON_USE (free, "free is not future POSIX compliant everywhere - "
-                 "use gnulib module free for portability");
+_GL_WARN_ON_USE (free, "free is not POSIX:2024 compliant everywhere - "
+                 "use gnulib module free-posix for portability");
 #endif
 
 
@@ -367,9 +375,10 @@ _GL_WARN_ON_USE (atoll, "atoll is unportable - "
 #endif
 
 #if @GNULIB_CALLOC_POSIX@
-# if (@GNULIB_CALLOC_POSIX@ && @REPLACE_CALLOC_FOR_CALLOC_POSIX@) \
+# if @REPLACE_CALLOC_FOR_CALLOC_POSIX@ \
      || (@GNULIB_CALLOC_GNU@ && @REPLACE_CALLOC_FOR_CALLOC_GNU@)
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
+        || _GL_USE_STDLIB_ALLOC)
 #   undef calloc
 #   define calloc rpl_calloc
 #  endif
@@ -681,7 +690,7 @@ _GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
    by never specifying a zero size), so it does not need malloc or
    realloc to be redefined.  */
 #if @GNULIB_MALLOC_POSIX@
-# if (@GNULIB_MALLOC_POSIX@ && @REPLACE_MALLOC_FOR_MALLOC_POSIX@) \
+# if @REPLACE_MALLOC_FOR_MALLOC_POSIX@ \
      || (@GNULIB_MALLOC_GNU@ && @REPLACE_MALLOC_FOR_MALLOC_GNU@)
 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
         || _GL_USE_STDLIB_ALLOC)
@@ -740,11 +749,12 @@ _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
 /* Return maximum number of bytes of a multibyte character.  */
 #if @REPLACE_MB_CUR_MAX@
 # if !GNULIB_defined_MB_CUR_MAX
-static inline
-int gl_MB_CUR_MAX (void)
+_GL_STDLIB_INLINE int
+gl_MB_CUR_MAX (void)
 {
   /* Turn the value 3 to the value 4, as needed for the UTF-8 encoding.  */
-  return MB_CUR_MAX + (MB_CUR_MAX == 3);
+  int gl_mb_cur_max = MB_CUR_MAX;
+  return gl_mb_cur_max == 3 ? 4 : gl_mb_cur_max;
 }
 #  undef MB_CUR_MAX
 #  define MB_CUR_MAX gl_MB_CUR_MAX ()
@@ -1454,16 +1464,25 @@ _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
 
 
 #if @GNULIB_REALLOC_POSIX@
-# if (@GNULIB_REALLOC_POSIX@ && @REPLACE_REALLOC_FOR_REALLOC_POSIX@) \
-     || (@GNULIB_REALLOC_GNU@ && @REPLACE_REALLOC_FOR_REALLOC_GNU@)
+# if @REPLACE_REALLOC_FOR_REALLOC_POSIX@
+#  if @REPLACE_REALLOC_FOR_REALLOC_POSIX@ == 2
+#   define _GL_INLINE_RPL_REALLOC 1
+_GL_REALLOC_INLINE void *
+rpl_realloc (void *ptr, size_t size)
+{
+  return realloc (ptr, size ? size : 1);
+}
+#  endif
 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
         || _GL_USE_STDLIB_ALLOC)
 #   undef realloc
 #   define realloc rpl_realloc
 #  endif
+#  if !defined _GL_INLINE_RPL_REALLOC
 _GL_FUNCDECL_RPL (realloc, void *,
                   (void *ptr, size_t size),
                   _GL_ATTRIBUTE_DEALLOC_FREE _GL_ATTRIBUTE_NODISCARD);
+#  endif
 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
 # else
 #  if __GNUC__ >= 11 && !defined __clang__
@@ -1968,6 +1987,8 @@ _GL_CXXALIASWARN (wctomb);
 #endif
 
 
+_GL_INLINE_HEADER_END
+
 #endif /* _@GUARD_PREFIX@_STDLIB_H */
 #endif /* _@GUARD_PREFIX@_STDLIB_H */
 #endif