[PATCH/RFA] language.c free(0)
David Taylor
taylor@cygnus.com
Sat Apr 1 00:00:00 GMT 2000
Date: Thu, 16 Mar 100 20:26:56 +0100 (CET)
From: "Philippe De Muyter" <phdm@macqel.be>
May I inaugurate my ssh connection by applying the following patch ? Here,
gdb crashes when one attempts to free a null pointer.
Yes.
Wed Mar 15 07:04:17 2000 Philippe De Muyter <phdm@macqel.be>
* language.c (set_lang_str): Do not call `free' for a null pointer.
(set_type_str, set_range_str): Ditto.
Approved.
--- ./gdb/language.c Mon Mar 13 20:01:32 2000
+++ ./gdb/language.c Sun Feb 20 03:23:37 2000
@@ -394,7 +394,8 @@ set_lang_str ()
{
char *prefix = "";
- free (language);
+ if (language)
+ free (language);
if (language_mode == language_mode_auto)
prefix = "auto; currently ";
@@ -406,7 +407,8 @@ set_type_str ()
{
char *tmp = NULL, *prefix = "";
- free (type);
+ if (type)
+ free (type);
if (type_mode == type_mode_auto)
prefix = "auto; currently ";
@@ -451,7 +453,8 @@ set_range_str ()
error ("Unrecognized range check setting.");
}
- free (range);
+ if (range)
+ free (range);
range = concat (pref, tmp, NULL);
}
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