gdb: add overloads of gdb_abspath

Add two overloads of gdb_abspath, one which takes std::string and one
which takes gdb::unique_xmalloc_ptr<char>, then make use of these
overloads throughout GDB and gdbserver.

There should be no user visible changes after this commit.

Approved-By: Tom Tromey <tom@tromey.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/gdb/main.c b/gdb/main.c
index 4dd68f3..e4a40c5 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -121,7 +121,7 @@ set_gdb_data_directory (const char *new_datadir)
      "../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which
      isn't canonical, but that's ok.  */
   if (!IS_ABSOLUTE_PATH (gdb_datadir.c_str ()))
-    gdb_datadir = gdb_abspath (gdb_datadir.c_str ());
+    gdb_datadir = gdb_abspath (gdb_datadir);
 }
 
 /* Relocate a file or directory.  PROGNAME is the name by which gdb