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[committed]: [PATCH 1/3] var_integer -> var_uinteger


On 08/28/2012 06:14 AM, dje@google.com wrote:
> Ok with those three changes.

Thanks for the the review.  This is what I committed.

-- 
Yao

gdb:

2012-08-28  Yao Qi  <yao@codesourcery.com>

	* cli/cli-cmds.c (max_user_call_depth): Add 'unsigned'.
	(init_cmds): Call add_setshow_uinteger_cmd for command
	'max-user-call-depth'.
	* cli/cli-script.c (execute_user_command): Add 'unsigned' to the
	declaration of 'max_user_call_depth'.
	* frame.c (backtrace_limit): Add 'unsigned'.
	(_initialize_frame): Call add_setshow_uinteger_cmd for command
	'limit'.
	* remote.c (remoteaddresssize): Add 'unsigned'.
	(remote_address_masked): Change local var 'address_size' to
	'unsigned'.
	(_initialize_remote): Call add_setshow_uinteger_cmd for
	'remoteaddresssize'.
	* top.c (history_size): Add 'unsigned'.
	(show_commands): Change local variables to 'unsigned'.
	(set_history_size_command): Don't check history_size is negative.
	Adjust the condition to call unstifle_history and set history_size
	to UNIT_MAX.
---
 gdb/cli/cli-cmds.c   |   10 +++++-----
 gdb/cli/cli-script.c |    2 +-
 gdb/frame.c          |   14 +++++++-------
 gdb/remote.c         |   14 +++++++-------
 gdb/top.c            |   27 ++++++++++++++-------------
 5 files changed, 34 insertions(+), 33 deletions(-)

diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index 5d8a124..d3473d5 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -96,7 +96,7 @@ static void filter_sals (struct symtabs_and_lines *);
 
 
 /* Limit the call depth of user-defined commands */
-int max_user_call_depth;
+unsigned int max_user_call_depth;
 
 /* Define all cmd_list_elements.  */
 
@@ -1907,13 +1907,13 @@ With no argument, show definitions of all user defined commands."), &showlist);
   add_com ("apropos", class_support, apropos_command,
 	   _("Search for commands matching a REGEXP"));
 
-  add_setshow_integer_cmd ("max-user-call-depth", no_class,
+  add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
 			   &max_user_call_depth, _("\
 Set the max call depth for non-python user-defined commands."), _("\
 Show the max call depth for non-python user-defined commands."), NULL,
-			   NULL,
-			   show_max_user_call_depth,
-			   &setlist, &showlist);
+			    NULL,
+			    show_max_user_call_depth,
+			    &setlist, &showlist);
 
   add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
 Set tracing of GDB CLI commands."), _("\
diff --git a/gdb/cli/cli-script.c b/gdb/cli/cli-script.c
index 4b6c416..743c65f 100644
--- a/gdb/cli/cli-script.c
+++ b/gdb/cli/cli-script.c
@@ -314,7 +314,7 @@ execute_user_command (struct cmd_list_element *c, char *args)
   struct cleanup *old_chain;
   enum command_control_type ret;
   static int user_call_depth = 0;
-  extern int max_user_call_depth;
+  extern unsigned int max_user_call_depth;
 
   cmdlines = c->user_commands;
   if (cmdlines == 0)
diff --git a/gdb/frame.c b/gdb/frame.c
index 278269d..9ed49f6 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -196,7 +196,7 @@ show_backtrace_past_entry (struct ui_file *file, int from_tty,
 		    value);
 }
 
-static int backtrace_limit = INT_MAX;
+static unsigned int backtrace_limit = UINT_MAX;
 static void
 show_backtrace_limit (struct ui_file *file, int from_tty,
 		      struct cmd_list_element *c, const char *value)
@@ -2488,16 +2488,16 @@ the rest of the stack trace."),
 			   &set_backtrace_cmdlist,
 			   &show_backtrace_cmdlist);
 
-  add_setshow_integer_cmd ("limit", class_obscure,
-			   &backtrace_limit, _("\
+  add_setshow_uinteger_cmd ("limit", class_obscure,
+			    &backtrace_limit, _("\
 Set an upper bound on the number of backtrace levels."), _("\
 Show the upper bound on the number of backtrace levels."), _("\
 No more than the specified number of frames can be displayed or examined.\n\
 Zero is unlimited."),
-			   NULL,
-			   show_backtrace_limit,
-			   &set_backtrace_cmdlist,
-			   &show_backtrace_cmdlist);
+			    NULL,
+			    show_backtrace_limit,
+			    &set_backtrace_cmdlist,
+			    &show_backtrace_cmdlist);
 
   /* Debug this files internals.  */
   add_setshow_zuinteger_cmd ("frame", class_maintenance, &frame_debug,  _("\
diff --git a/gdb/remote.c b/gdb/remote.c
index 2db2c9d..528f374 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -834,7 +834,7 @@ static struct serial *remote_desc = NULL;
    some remote targets this variable is principly provided to
    facilitate backward compatibility.  */
 
-static int remote_address_size;
+static unsigned int remote_address_size;
 
 /* Temporary to track who currently owns the terminal.  See
    remote_terminal_* for more details.  */
@@ -6314,7 +6314,7 @@ hexnumnstr (char *buf, ULONGEST num, int width)
 static CORE_ADDR
 remote_address_masked (CORE_ADDR addr)
 {
-  int address_size = remote_address_size;
+  unsigned int address_size = remote_address_size;
 
   /* If "remoteaddresssize" was not set, default to target address size.  */
   if (!address_size)
@@ -11461,13 +11461,13 @@ Specify a negative limit for unlimited."),
 					   breakpoints is %s.  */
 			    &remote_set_cmdlist, &remote_show_cmdlist);
 
-  add_setshow_integer_cmd ("remoteaddresssize", class_obscure,
-			   &remote_address_size, _("\
+  add_setshow_uinteger_cmd ("remoteaddresssize", class_obscure,
+			    &remote_address_size, _("\
 Set the maximum size of the address (in bits) in a memory packet."), _("\
 Show the maximum size of the address (in bits) in a memory packet."), NULL,
-			   NULL,
-			   NULL, /* FIXME: i18n: */
-			   &setlist, &showlist);
+			    NULL,
+			    NULL, /* FIXME: i18n: */
+			    &setlist, &showlist);
 
   add_packet_config_cmd (&remote_protocol_packets[PACKET_X],
 			 "X", "binary-download", 1);
diff --git a/gdb/top.c b/gdb/top.c
index 7084116..99fd5ff 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -710,7 +710,7 @@ show_write_history_p (struct ui_file *file, int from_tty,
 		    value);
 }
 
-static int history_size;
+static unsigned int history_size;
 static void
 show_history_size (struct ui_file *file, int from_tty,
 		   struct cmd_list_element *c, const char *value)
@@ -1380,7 +1380,7 @@ show_commands (char *args, int from_tty)
 
   /* The first command in the history which doesn't exist (i.e. one more
      than the number of the last command).  Relative to history_base.  */
-  int hist_len;
+  unsigned int hist_len;
 
   /* Print out some of the commands from the command history.  */
   /* First determine the length of the history list.  */
@@ -1445,15 +1445,16 @@ show_commands (char *args, int from_tty)
 static void
 set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
 {
-  if (history_size == INT_MAX)
-    unstifle_history ();
-  else if (history_size >= 0)
-    stifle_history (history_size);
-  else
+  /* The type of parameter in stifle_history is int, so values from INT_MAX up
+     mean 'unlimited'.  */
+  if (history_size >= INT_MAX)
     {
-      history_size = INT_MAX;
-      error (_("History size must be non-negative"));
+      /* Ensure that 'show history size' prints 'unlimited'.  */
+      history_size = UINT_MAX;
+      unstifle_history ();
     }
+  else
+    stifle_history (history_size);
 }
 
 void
@@ -1633,13 +1634,13 @@ Without an argument, saving is enabled."),
 			   show_write_history_p,
 			   &sethistlist, &showhistlist);
 
-  add_setshow_integer_cmd ("size", no_class, &history_size, _("\
+  add_setshow_uinteger_cmd ("size", no_class, &history_size, _("\
 Set the size of the command history,"), _("\
 Show the size of the command history,"), _("\
 ie. the number of previous commands to keep a record of."),
-			   set_history_size_command,
-			   show_history_size,
-			   &sethistlist, &showhistlist);
+			    set_history_size_command,
+			    show_history_size,
+			    &sethistlist, &showhistlist);
 
   add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
 Set the filename in which to record the command history"), _("\
-- 
1.7.7.6


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