On 11 July 2017 at 17:51, Jonny Grant wrote: > Hello > https://gcc.gnu.org/gcc-7/changes.html > > snprintf (d, sizeof d, "%#02x", x & 0xff); > > ^^ > Should be: sizeof(d) ?
"The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type." So the parentheses are only required for a type, not an expression. sizeof(d) is the same as sizeof d which is the same as sizeof(((((d))))).
