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As description is used only for debug, we can extend it to be sure to fit 256 from string variable plus 3 chars from " - " as described in gcc warning below | testlibusb.c: In function ‘print_device.constprop’: | testlibusb.c:188:51: warning: ‘ - ’ directive output may be truncated writing 3 bytes into a region of size between 1 and 256 [-Wformat-truncation=] | snprintf(description, sizeof(description), "%s - ", string); | ^~~ | testlibusb.c:188:5: note: ‘snprintf’ output between 4 and 259 bytes into a destination of size 256 | snprintf(description, sizeof(description), "%s - ", string); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Closes #460 Signed-off-by: Victor Toso <victortoso@redhat.com> Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>