ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/liboventi/readfully.c/
#include <u.h> #include <libc.h> #include <oventi.h> #include "session.h" int vtFdReadFully(int fd, uchar *p, int n) { int nn; while(n > 0) { nn = vtFdRead(fd, p, n); if(nn <= 0) return 0; n -= nn; p += nn; } return 1; }