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d/ht_ctrl_emu: work around truncation warning

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../src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp: In function ‘int cemu_devices_create(xrt_device*, xrt_device*, xrt_device**)’:
../src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp:439:102: warning: ‘ Left Hand’ directive output may be truncated writing 10 bytes into a region of size between 1 and 256 [-Wformat-truncation=]
  439 |                 int ret = snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
      |                                                                                                      ^~~~~~~~~~
../src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp:439:35: note: ‘snprintf’ output between 11 and 266 bytes into a destination of size 256
  439 |                 int ret = snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
      |                           ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp:439:84: warning: ‘ Right Hand’ directive output may be truncated writing 11 bytes into a region of size between 1 and 256 [-Wformat-truncation=]
  439 |                 int ret = snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
      |                                                                                    ^~~~~~~~~~~
../src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp:439:35: note: ‘snprintf’ output between 12 and 267 bytes into a destination of size 256
  439 |                 int ret = snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
      |                           ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This commit is contained in:
Christoph Haag committed 2021-12-14 14:58:33 +01:00
1 parent 2b101e6ffa
commit b7c8a6faa5
1 file changed
+5 -1
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src/xrt/drivers/ht_ctrl_emu/ht_ctrl_emu.cpp
+5 -1
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@@ -436,7 +436,11 @@ cemu_devices_create(struct xrt_device *head, struct xrt_device *hands, struct xr
i ? XRT_DEVICE_TYPE_RIGHT_HAND_CONTROLLER : XRT_DEVICE_TYPE_LEFT_HAND_CONTROLLER;
//!@todo What should we do with the serial numbers?
snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
int ret =
snprintf(cemud[i]->base.str, XRT_DEVICE_NAME_LEN, i ? "%s Right Hand" : "%s Left Hand", hands->str);
if (ret >= 0) {
CEMU_DEBUG(cemud[i], "name truncated: %s", cemud[i]->base.str);
}
cemud[i]->ht_input_name =
i ? XRT_INPUT_GENERIC_HAND_TRACKING_RIGHT : XRT_INPUT_GENERIC_HAND_TRACKING_LEFT;