main: prevent invalid memory access when executing empty stdin

In case the ucode cli executes stdin with zero bytes length, ensure to
pass a dummy string instead of a NULL pointer to uc_source_new_buffer()
to prevent libc's fmemopen() from writing to nonexistent memory.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

0 files changed, 0 insertions, 0 deletions