diff options
Diffstat (limited to 'sysdeps/m68k/backtrace.c')
| -rw-r--r-- | sysdeps/m68k/backtrace.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sysdeps/m68k/backtrace.c b/sysdeps/m68k/backtrace.c index 3114251925..7789d08ef6 100644 --- a/sysdeps/m68k/backtrace.c +++ b/sysdeps/m68k/backtrace.c @@ -1,5 +1,5 @@ /* Return backtrace of current program state. - Copyright (C) 2013-2015 Free Software Foundation, Inc. + Copyright (C) 2013-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,7 +16,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <bits/libc-lock.h> +#include <libc-lock.h> #include <dlfcn.h> #include <execinfo.h> #include <stdlib.h> @@ -111,6 +111,10 @@ int __backtrace (void **array, int size) { struct trace_arg arg = { .array = array, .size = size, .cnt = -1 }; + + if (size <= 0) + return 0; + #ifdef SHARED __libc_once_define (static, once); @@ -119,8 +123,7 @@ __backtrace (void **array, int size) return 0; #endif - if (size >= 1) - unwind_backtrace (backtrace_helper, &arg); + unwind_backtrace (backtrace_helper, &arg); if (arg.cnt > 1 && arg.array[arg.cnt - 1] == NULL) --arg.cnt; |