Avoid duplicate ends_with_dirsep functions

Refactor them into inline ossl_ends_with_dirsep function in
internal/cryptlib.h.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13306)

1 files changed, 38 insertions, 0 deletions

diff --git a/doc/internal/man3/ossl_ends_with_dirsep.pod b/doc/internal/man3/ossl_ends_with_dirsep.pod
new file mode 100644
index 0000000000..1924ab50f0
--- /dev/null
+++ b/doc/internal/man3/ossl_ends_with_dirsep.pod
@@ -0,0 +1,38 @@
+=pod
+
+=head1 NAME
+
+ossl_ends_with_dirsep - internal function to detect whether a path
+ends with directory separator
+
+=head1 SYNOPSIS
+
+  #include "internal/cryptlib.h"
+
+  int ossl_ends_with_dirsep(const char *path);
+
+=head1 DESCRIPTION
+
+ossl_ends_with_dirsep() detects whether the I<path> ends with a directory
+separator in platform agnostic way.
+
+=head1 RETURN VALUES
+
+ossl_ends_with_dirsep() returns 1 if the I<path> ends with a directory
+separator, 0 otherwise.
+
+=head1 HISTORY
+
+The function described here was added in OpenSSL 3.0.
+
+=head1 COPYRIGHT
+
+Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the Apache License 2.0 (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
+
+=cut
+