ref: 1d5a2aa48778960fc9b5ab0b39f83a5322c3f754
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; }