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

[deliverable/binutils-gdb.git] / gdb / tracefile-tfile.c

diff --git a/gdb/tracefile-tfile.c b/gdb/tracefile-tfile.c
index 5c3837ec5b93f30f09b24246167e0f1d7b83985c..0953b03781ff6864db1e3ae4c9fd9d90976ab6a1 100644 (file)
--- a/gdb/tracefile-tfile.c
+++ b/gdb/tracefile-tfile.c
@@ -32,6 +32,7 @@
 #include "xml-tdesc.h"
 #include "target-descriptions.h"
 #include "gdbsupport/buffer.h"
+#include "gdbsupport/pathstuff.h"
 #include <algorithm>
 
 #ifndef O_LARGEFILE
@@ -470,8 +471,7 @@ tfile_target_open (const char *arg, int from_tty)
 
   gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg));
   if (!IS_ABSOLUTE_PATH (filename.get ()))
-    filename.reset (concat (current_directory, "/", filename.get (),
-                           (char *) NULL));
+    filename = gdb_abspath (filename.get ());
 
   flags = O_BINARY | O_LARGEFILE;
   flags |= O_RDONLY;