* source.c (get_current_or_default_source_symtab_and_line): Remove

	function.
	(set_default_source_symtab_and_line): New function. Attempts to
	determine a source file to list lines from if one is not currently
	defined.
	(get_current_source_symtab_and_line): Initialize sal.pc and
        sal.end fields.
	(set_current_source_symtab_and_line): Mark argument as const.
	* source.h: Update declarations and comments.
	* linespec.c (decode_line_1): Replace call to removed routine above.
	* stack.c (print_frame_info_base): Ditto.
	* cli/cli-cmds.c (edit_command): Ditto.
	(list_command): Ditto.

1 files changed, 6 insertions, 3 deletions

diff --git a/gdb/linespec.c b/gdb/linespec.c
index d1bb4e3..5631fd3 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -1027,13 +1027,16 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
       /* This is where we need to make sure that we have good defaults.
          We must guarantee that this section of code is never executed
          when we are called with just a function name, since
-	 get_current_or_default_source_symtab_and_line uses
+	 set_default_source_symtab_and_line uses
          select_source_symtab that calls us with such an argument  */
 
       if (s == 0 && default_symtab == 0)
 	{
-          struct symtab_and_line cursal =
-		  get_current_or_default_source_symtab_and_line ();
+          struct symtab_and_line cursal;
+
+	  /* Make sure we have at least a default source file. */
+	  set_default_source_symtab_and_line ();
+          cursal = get_current_source_symtab_and_line ();
       
           default_symtab = cursal.symtab;
           default_line = cursal.line;