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Fixed UwacDisplayGetOutput and UwacOutputGetResolution checks

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return proper error conditions if arguments are invalid.
This commit is contained in:
akallabeth
2020-05-05 10:29:25 +02:00
parent 5ce0ab909f
commit 9900e52073
1 changed files with 8 additions and 1 deletions
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9
uwac/libuwac/uwac-display.c
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@@ -668,12 +668,16 @@ uint32_t UwacDisplayGetNbOutputs(const UwacDisplay* display)
const UwacOutput* UwacDisplayGetOutput(UwacDisplay* display, int index)
{
int i;
int i, display_count;
UwacOutput* ret = NULL;
if (!display)
return NULL;
display_count = wl_list_length(&display->outputs);
if (display_count <= index)
return NULL;
i = 0;
wl_list_for_each(ret, &display->outputs, link)
{
@@ -694,6 +698,9 @@ const UwacOutput* UwacDisplayGetOutput(UwacDisplay* display, int index)
UwacReturnCode UwacOutputGetResolution(const UwacOutput* output, UwacSize* resolution)
{
if ((output->resolution.height <= 0) || (output->resolution.width <= 0))
return UWAC_ERROR_INTERNAL;
*resolution = output->resolution;
return UWAC_SUCCESS;
}