* Write a packetized stream, where each line is preceded by
* its length (including the header) as a 4-byte hex number.
* A length of 'zero' means end of stream (and a length of 1-3
- * would be an error).
+ * would be an error).
*
* This is all pretty stupid, but we use this packetized line
* format to make a streaming format possible without ever
static void safe_read(int fd, void *buffer, unsigned size)
{
- int n = 0;
-
- while (n < size) {
- int ret = xread(fd, (char *) buffer + n, size - n);
- if (ret < 0)
- die("read error (%s)", strerror(errno));
- if (!ret)
- die("unexpected EOF");
- n += ret;
- }
+ ssize_t ret = read_in_full(fd, buffer, size);
+ if (ret < 0)
+ die("read error (%s)", strerror(errno));
+ else if (ret < size)
+ die("The remote end hung up unexpectedly");
}
int packet_read_line(int fd, char *buffer, unsigned size)