Fix run-read_all and fix hang if they should fail.
[ccan] / ccan / read_write_all /
drwxr-xr-x   ..
-rw-r--r-- 941 _info.c
-rw-r--r-- 570 read_write_all.c
-rw-r--r-- 232 read_write_all.h
drwxr-xr-x - test