xref: /plan9/sys/src/liboventi/readfully.c (revision 368c31ab13393dea083228fdd1c3445076f83a4b)
1 #include <u.h>
2 #include <libc.h>
3 #include <oventi.h>
4 #include "session.h"
5 
6 int
vtFdReadFully(int fd,uchar * p,int n)7 vtFdReadFully(int fd, uchar *p, int n)
8 {
9 	int nn;
10 
11 	while(n > 0) {
12 		nn = vtFdRead(fd, p, n);
13 		if(nn <= 0)
14 			return 0;
15 		n -= nn;
16 		p += nn;
17 	}
18 	return 1;
19 }
20