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gdb: remove uses of alloca in gdbtypes.c

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Replace two uses of alloca with std::string.

Change-Id: I970ae3f450da407494d95668a57bba8796d6292b
Approved-by: Kevin Buettner <kevinb@redhat.com>
This commit is contained in:
Simon Marchi
2023-08-31 15:56:10 -04:00
committed by Simon Marchi
parent 9e2dda428d
commit 8ba212f893
1 changed files with 12 additions and 13 deletions
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25
gdb/gdbtypes.c
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@@ -1670,11 +1670,12 @@ struct type *
lookup_unsigned_typename (const struct language_defn *language,
const char *name)
{
char *uns = (char *) alloca (strlen (name) + 10);
std::string uns;
uns.reserve (strlen (name) + strlen ("unsigned "));
uns = "unsigned ";
uns += name;
strcpy (uns, "unsigned ");
strcpy (uns + 9, name);
return lookup_typename (language, uns, NULL, 0);
return lookup_typename (language, uns.c_str (), NULL, 0);
}
struct type *
@@ -1760,16 +1761,14 @@ struct type *
lookup_template_type (const char *name, struct type *type,
const struct block *block)
{
struct symbol *sym;
char *nam = (char *)
alloca (strlen (name) + strlen (type->name ()) + 4);
std::string nam;
nam.reserve (strlen (name) + strlen (type->name ()) + strlen ("< >"));
nam = name;
nam += "<";
nam += type->name ();
nam += " >"; /* FIXME, extra space still introduced in gcc? */
strcpy (nam, name);
strcat (nam, "<");
strcat (nam, type->name ());
strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */
sym = lookup_symbol (nam, block, VAR_DOMAIN, 0).symbol;
symbol *sym = lookup_symbol (nam.c_str (), block, VAR_DOMAIN, 0).symbol;
if (sym == NULL)
{