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Add a check for snprintf return code and ignore the entry if we get an error. This should in fact never happen and is more a trick to make gcc happy and prevent compilation errors. This is solving the following gcc warning when compiling for arm32 host platforms with optimization activated: xenpmd.c:92:37: error: '%s' directive output may be truncated writing between 4 and 2147483645 bytes into a region of size 271 [-Werror=format-truncation=] This is also solving the following Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970802 Signed-off-by: Bertrand Marquis <bertrand.marquis@arm.com> Acked-by: Wei Liu <wl@xen.org>