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(core_options.c) Make code more robust

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This commit is contained in:
twinaphex 2015-06-25 15:38:57 +02:00
parent 1326d57e2b
commit 13d7a7349f
1 changed files with 21 additions and 3 deletions
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24
core_options.c
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@ -70,6 +70,9 @@ void core_option_get(core_option_manager_t *opt, struct retro_variable *var)
{
size_t i;
if (!opt)
return;
opt->updated = false;
for (i = 0; i < opt->size; i++)
@ -303,7 +306,12 @@ struct string_list *core_option_get_vals(
void core_option_set_val(core_option_manager_t *opt,
size_t idx, size_t val_idx)
{
struct core_option *option= (struct core_option*)&opt->opts[idx];
struct core_option *option= NULL;
if (!opt)
return;
option = (struct core_option*)&opt->opts[idx];
if (!option)
return;
@ -322,7 +330,12 @@ void core_option_set_val(core_option_manager_t *opt,
**/
void core_option_next(core_option_manager_t *opt, size_t idx)
{
struct core_option *option = (struct core_option*)&opt->opts[idx];
struct core_option *option = NULL;
if (!opt)
return;
option = (struct core_option*)&opt->opts[idx];
if (!option)
return;
@ -342,7 +355,12 @@ void core_option_next(core_option_manager_t *opt, size_t idx)
**/
void core_option_prev(core_option_manager_t *opt, size_t idx)
{
struct core_option *option = (struct core_option*)&opt->opts[idx];
struct core_option *option = NULL;
if (!opt)
return;
option = (struct core_option*)&opt->opts[idx];
if (!option)
return;