From c1b009eed88d41b22c9faf68d0dc15967292f6c9 Mon Sep 17 00:00:00 2001 From: Andrew Burgess Date: Thu, 21 May 2015 00:51:23 +0200 Subject: [PATCH] gdb: Add cleanup to avoid memory leak on error. Use cleanup to avoid leaking memory if an error occurs during tui start up. gdb/ChangeLog: * tui/tui-layout.c (tui_set_layout_for_display_command): Ensure buf_ptr is freed. --- gdb/ChangeLog | 5 +++++ gdb/tui/tui-layout.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3c80d3a..f9b91d5 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 2015-05-21 Andrew Burgess + * tui/tui-layout.c (tui_set_layout_for_display_command): Ensure + buf_ptr is freed. + +2015-05-21 Andrew Burgess + * tui/tui-layout.c (tui_layout_command): Move call to tui_enable into ... (tui_set_layout_for_display_command): ...here, before calling diff --git a/gdb/tui/tui-layout.c b/gdb/tui/tui-layout.c index abd9810..0255c39 100644 --- a/gdb/tui/tui-layout.c +++ b/gdb/tui/tui-layout.c @@ -409,10 +409,12 @@ tui_set_layout_by_name (const char *layout_name) char *buf_ptr; enum tui_layout_type new_layout = UNDEFINED_LAYOUT; enum tui_layout_type cur_layout = tui_current_layout (); + struct cleanup *old_chain; buf_ptr = (char *) xstrdup (layout_name); for (i = 0; (i < strlen (layout_name)); i++) buf_ptr[i] = toupper (buf_ptr[i]); + old_chain = make_cleanup (xfree, buf_ptr); /* First check for ambiguous input. */ if (strlen (buf_ptr) <= 1 && *buf_ptr == 'S') @@ -450,7 +452,7 @@ tui_set_layout_by_name (const char *layout_name) tui_set_layout (new_layout); } } - xfree (buf_ptr); + do_cleanups (old_chain); } else status = TUI_FAILURE; -- 2.7.4