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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:11:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:11:47 +0000
commit758f820bcc0f68aeebac1717e537ca13a320b909 (patch)
tree48111ece75cf4f98316848b37a7e26356e00669e /m4/explicit_bzero.m4
parentInitial commit. (diff)
downloadcoreutils-upstream.tar.xz
coreutils-upstream.zip
Adding upstream version 9.1.upstream/9.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/explicit_bzero.m4')
-rw-r--r--m4/explicit_bzero.m423
1 files changed, 23 insertions, 0 deletions
diff --git a/m4/explicit_bzero.m4 b/m4/explicit_bzero.m4
new file mode 100644
index 0000000..3b4ef8c
--- /dev/null
+++ b/m4/explicit_bzero.m4
@@ -0,0 +1,23 @@
+dnl Copyright 2017-2022 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_EXPLICIT_BZERO],
+[
+ AC_REQUIRE([gl_STRING_H_DEFAULTS])
+
+ dnl Persuade glibc <string.h> to declare explicit_bzero.
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ AC_CHECK_FUNCS_ONCE([explicit_bzero])
+ if test $ac_cv_func_explicit_bzero = no; then
+ HAVE_EXPLICIT_BZERO=0
+ fi
+])
+
+AC_DEFUN([gl_PREREQ_EXPLICIT_BZERO],
+[
+ AC_CHECK_FUNCS([explicit_memset])
+ AC_CHECK_FUNCS_ONCE([memset_s])
+])