//
// TCP recv
//

#include "netlib.h"

int tcp_recv( int sock, void *buf, int len )
{
  char *s = (char *)buf;
  size_t n;
  
  /* check! */
  if ( sock < 0 )
    return -1;
  if ( !buf || len <= 0 )
    return -1;
  
  /* read */
  n = recv( sock, buf, len, 0 );
  
  if ( n > 0 )
    *(s+n) = '\0';
  
  return n;
}