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Make free_current_contents more robust. Use in MI.

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This commit is contained in:
Andrew Cagney 2000-05-16 04:57:49 +00:00
parent 56e290f494
commit e2f9c47491
4 changed files with 16 additions and 10 deletions
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4
gdb/ChangeLog
View File

@ -1,3 +1,7 @@
Tue May 16 14:17:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
* utils.c (free_current_contents): Make more robust.
Tue May 16 13:30:08 2000 Andrew Cagney <cagney@b1.cygnus.com>
* symtab.h (make_cleanup_discard_minimal_symbols): Replace

5
gdb/mi/ChangeLog-mi
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@ -1,3 +1,8 @@
Tue May 16 14:13:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
* mi-main.c (mi_cmd_execute): Use free_current_contents.
(free_and_reset): Delete.
Mon May 15 16:17:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
* mi-main.c (mi_cmd_data_assign, mi_cmd_data_evaluate_expression),

10
gdb/mi/mi-main.c
View File

@ -70,7 +70,6 @@ static enum mi_cmd_result mi_execute_async_cli_command (char *mi, char *args, in
static void mi_execute_command_wrapper (char *cmd);
void mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg);
static void free_and_reset (char **arg);
static int register_changed_p (int regnum);
static int get_register (int regnum, int format);
@ -1199,7 +1198,7 @@ mi_cmd_execute (struct mi_parse *parse)
}
}
last_async_command = xstrdup (parse->token);
make_exec_cleanup ((make_cleanup_func) free_and_reset, &last_async_command);
make_exec_cleanup (free_current_contents, &last_async_command);
/* FIXME: DELETE THIS! */
if (parse->cmd->args_func != NULL)
return parse->cmd->args_func (parse->args, 0 /*from_tty */ );
@ -1226,13 +1225,6 @@ mi_cmd_execute (struct mi_parse *parse)
}
}
void
free_and_reset (char **arg)
{
free (*arg);
*arg = NULL;
}
static void
mi_execute_command_wrapper (char *cmd)
{

7
gdb/utils.c
View File

@ -390,8 +390,13 @@ void
free_current_contents (void *ptr)
{
void **location = ptr;
if (location == NULL)
internal_error ("free_current_contents: NULL pointer");
if (*location != NULL)
free (*location);
{
free (*location);
*location = NULL;
}
}
/* Provide a known function that does nothing, to use as a base for