Guard against 'current_directory == NULL' on gdb_abspath (PR gdb/23613)

[deliverable/binutils-gdb.git] / gdb / gdbsupport / pathstuff.h

diff --git a/gdb/gdbsupport/pathstuff.h b/gdb/gdbsupport/pathstuff.h
index 7d7c8cd02814f03c3ead278c417bd1c18728dca0..e84685b65483fc99abe28592a212203d986426a5 100644 (file)
--- a/gdb/gdbsupport/pathstuff.h
+++ b/gdb/gdbsupport/pathstuff.h
@@ -44,7 +44,10 @@ extern gdb::unique_xmalloc_ptr<char>
 
    Contrary to "gdb_realpath", this function uses CURRENT_DIRECTORY
    for the path expansion.  This may lead to scenarios the current
-   working directory (CWD) is different than CURRENT_DIRECTORY.  */
+   working directory (CWD) is different than CURRENT_DIRECTORY.
+
+   If CURRENT_DIRECTORY is NULL, this function returns a copy of
+   PATH.  */
 
 extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *path);