ref: b70a7fc963cd58445c55b1d1702e151a39e3fc07
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; }