Add ossl_is_absolute_path function to detect absolute paths

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

1 files changed, 11 insertions, 4 deletions

diff --git a/doc/internal/man3/ossl_ends_with_dirsep.pod b/doc/internal/man3/ossl_ends_with_dirsep.pod
index 1924ab50f0..d19ce7a3b9 100644
--- a/doc/internal/man3/ossl_ends_with_dirsep.pod
+++ b/doc/internal/man3/ossl_ends_with_dirsep.pod
@@ -2,8 +2,8 @@
 
 =head1 NAME
 
-ossl_ends_with_dirsep - internal function to detect whether a path
-ends with directory separator
+ossl_ends_with_dirsep, ossl_is_absolute_path
+- internal functions to work with paths
 
 =head1 SYNOPSIS
 
@@ -11,19 +11,26 @@ ends with directory separator
 
   int ossl_ends_with_dirsep(const char *path);
 
+  int ossl_is_absolute_path(const char *path);
+
 =head1 DESCRIPTION
 
 ossl_ends_with_dirsep() detects whether the I<path> ends with a directory
-separator in platform agnostic way.
+separator in a platform agnostic way.
+
+ossl_is_absolute_path() detects whether the I<path> is absolute path in
+a platform agnostic way.
 
 =head1 RETURN VALUES
 
 ossl_ends_with_dirsep() returns 1 if the I<path> ends with a directory
 separator, 0 otherwise.
 
+ossl_is_absolute_path() returns 1 if the I<path> is absolute, 0 otherwise.
+
 =head1 HISTORY
 
-The function described here was added in OpenSSL 3.0.
+The functions described here were added in OpenSSL 3.0.
 
 =head1 COPYRIGHT