* gdbtk.c (tk_command): Catch case where no argument is given

	since this will cause the tcl interpreter to dump core.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index cba7fb36261718204f98713f35323d18d9cdc637..e74f36364df96af406db89e974344f0354dfe3b8 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+start-sanitize-gdbtk
+Mon May 13 13:43:25 1996  Fred Fish  <fnf@cygnus.com>
+
+       * gdbtk.c (tk_command): Catch case where no argument is given
+       since this will cause the tcl interpreter to dump core.
+end-sanitize-gdbtk
+
 Mon May 13 17:40:58 1996  Jeffrey A Law  (law@cygnus.com)
 
        * top.c (execute_control_command, case while_control): Allow
@@ -75,7 +82,9 @@ Wed May  8 20:33:24 1996  Fred Fish  <fnf@cygnus.com>
        (enable_delete_breakpoint): Ditto.
        * breakpoint.h (clear_momentary_breakpoints): Remove prototype.
        * symtab.c (find_pc_line): Improve comments.
+start-sanitize-gdbtk
        * gdbtk.c: Fix a couple of misspellings.
+end-sanitize-gdbtk
        * xcoffread.c: Ditto.
 
 Tue May  7 18:37:06 1996  Stan Shebs  <shebs@andros.cygnus.com>

diff --git a/gdb/gdbtk.c b/gdb/gdbtk.c
index bf5c251b75fa0316335b72fda78d7a4bf0ce29e9..08b483ebfb331be7f23c04a1393fd8d6531e91f7 100644 (file)
--- a/gdb/gdbtk.c
+++ b/gdb/gdbtk.c
@@ -1009,6 +1009,10 @@ tk_command (cmd, from_tty)
   char *result;
   struct cleanup *old_chain;
 
+  /* Catch case of no argument, since this will make the tcl interpreter dump core. */
+  if (cmd == NULL)
+    error_no_arg ("tcl command to interpret");
+
   retval = Tcl_Eval (interp, cmd);
 
   result = strdup (interp->result);