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-rw-r--r--m4/memset_explicit.m420
1 files changed, 20 insertions, 0 deletions
diff --git a/m4/memset_explicit.m4 b/m4/memset_explicit.m4
new file mode 100644
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+++ b/m4/memset_explicit.m4
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+dnl Copyright 2022-2023 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_MEMSET_EXPLICIT],
+[
+ AC_REQUIRE([gl_STRING_H_DEFAULTS])
+
+ AC_CHECK_FUNCS_ONCE([memset_explicit])
+ if test $ac_cv_func_memset_explicit = no; then
+ HAVE_MEMSET_EXPLICIT=0
+ fi
+])
+
+AC_DEFUN([gl_PREREQ_MEMSET_EXPLICIT],
+[
+ AC_CHECK_FUNCS([explicit_memset])
+ AC_CHECK_FUNCS_ONCE([memset_s])
+])