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Fix a potential issue where calloc could be called with an allocation size of 0 bytes or less #343

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Fix a potential issue where calloc could be called with an allocation size of 0 bytes or less #343

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5 changes: 5 additions & 0 deletions mac/hid.c
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Original file line number Diff line number Diff line change
Expand Up @@ -710,6 +710,11 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path)

/* Create the buffers for receiving data */
dev->max_input_report_len = (CFIndex) get_max_report_length(dev->device_handle);
if (dev->max_input_report_len <= 0) {
/* Error getting kIOHIDMaxInputReportSizeKey */
goto return_error;
}

dev->input_report_buf = calloc(dev->max_input_report_len, sizeof(uint8_t));

/* Create the Run Loop Mode for this device.
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