On 26/07/12 22:05, Joerg Sonnenberger wrote: [...] > It's a popular C&P error. Don't know how many instances of it I fixed in > various OSS projects...
FWIW, there's a little-known wrinkle in the C spec that states that
while *un*initialised auto variables have undefined value, and
*initialised* auto variables have the specified value, *partially*
initialised auto variables are initialised as if they were globals. i.e.
filled with zeroes.
char buffer[80] = {0};
...is totally legal and avoids the need to call memset. It can be
faster, too.
See:
http://stackoverflow.com/questions/10828294/c-and-c-partial-initialization-of-automatic-structure
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