blob: 9763149a1c93dc0f9c80a9697e0794dafcb2ab68 [file] [log] [blame]
#include <u.h>
#include <libc.h>
#include <venti.h>
int
vtputstring(Packet *p, char *s)
{
uchar buf[2];
int n;
if(s == nil){
werrstr("null string in packet");
return -1;
}
n = strlen(s);
if(n > VtMaxStringSize){
werrstr("string too long in packet");
return -1;
}
buf[0] = n>>8;
buf[1] = n;
packetappend(p, buf, 2);
packetappend(p, (uchar*)s, n);
return 0;
}
int
vtgetstring(Packet *p, char **ps)
{
uchar buf[2];
int n;
char *s;
if(packetconsume(p, buf, 2) < 0)
return -1;
n = (buf[0]<<8) + buf[1];
if(n > VtMaxStringSize) {
werrstr("string too long in packet");
return -1;
}
s = vtmalloc(n+1);
if(packetconsume(p, (uchar*)s, n) < 0){
vtfree(s);
return -1;
}
s[n] = 0;
*ps = s;
return 0;
}