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Fix erroneous cleanup use in add_solib_catchpoint

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I happened to notice that add_solib_catchpoint allocated the new
catchpoint with "new" but installed a cleanup using "xfree".  This
patch fixes the bug by changing the function to use std::unique_ptr
instead.

ChangeLog
2017-08-22  Tom Tromey  <tom@tromey.com>

	* breakpoint.c (add_solib_catchpoint): Use std::unique_ptr.
This commit is contained in:
Tom Tromey
2017-08-19 22:15:30 -06:00
parent 56f3764524
commit 36bd8eaaa0
2 changed files with 7 additions and 7 deletions
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10
gdb/breakpoint.c
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@ -8464,16 +8464,13 @@ static struct breakpoint_ops catch_solib_breakpoint_ops;
void
add_solib_catchpoint (const char *arg, int is_load, int is_temp, int enabled)
{
struct solib_catchpoint *c;
struct gdbarch *gdbarch = get_current_arch ();
struct cleanup *cleanup;
if (!arg)
arg = "";
arg = skip_spaces_const (arg);
c = new solib_catchpoint ();
cleanup = make_cleanup (xfree, c);
std::unique_ptr<solib_catchpoint> c (new solib_catchpoint ());
if (*arg != '\0')
{
@ -8483,13 +8480,12 @@ add_solib_catchpoint (const char *arg, int is_load, int is_temp, int enabled)
}
c->is_load = is_load;
init_catchpoint (c, gdbarch, is_temp, NULL,
init_catchpoint (c.get (), gdbarch, is_temp, NULL,
&catch_solib_breakpoint_ops);
c->enable_state = enabled ? bp_enabled : bp_disabled;
discard_cleanups (cleanup);
install_breakpoint (0, c, 1);
install_breakpoint (0, c.release (), 1);
}
/* A helper function that does all the work for "catch load" and