summaryrefslogtreecommitdiff
path: root/m4/memset_explicit.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/memset_explicit.m4')
-rw-r--r--m4/memset_explicit.m424
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/memset_explicit.m4 b/m4/memset_explicit.m4
new file mode 100644
index 00000000000..19514ff917e
--- /dev/null
+++ b/m4/memset_explicit.m4
@@ -0,0 +1,24 @@
+# memset_explicit.m4 serial 2
+dnl Copyright 2022-2024 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])
+
+ gl_CHECK_FUNCS_ANDROID([memset_explicit], [[#include <string.h>]])
+ if test $ac_cv_func_memset_explicit = no; then
+ HAVE_MEMSET_EXPLICIT=0
+ case "$gl_cv_onwards_func_memset_explicit" in
+ future*) REPLACE_MEMSET_EXPLICIT=1 ;;
+ esac
+ fi
+])
+
+AC_DEFUN([gl_PREREQ_MEMSET_EXPLICIT],
+[
+ AC_CHECK_FUNCS([explicit_memset])
+ AC_CHECK_FUNCS_ONCE([memset_s])
+])