pkt-line: add packet_buf_write_len function

Add the 'packet_buf_write_len()' function which allows for writing an
arbitrary length buffer into a 'struct strbuf' and formatting it in
packet-line format.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams 2018-03-15 10:31:35 -07:00 коммит произвёл Junio C Hamano
Родитель edc9caf7e2
Коммит f1f4d8acf4
2 изменённых файлов: 17 добавлений и 0 удалений

Просмотреть файл

@ -215,6 +215,22 @@ void packet_buf_write(struct strbuf *buf, const char *fmt, ...)
va_end(args);
}
void packet_buf_write_len(struct strbuf *buf, const char *data, size_t len)
{
size_t orig_len, n;
orig_len = buf->len;
strbuf_addstr(buf, "0000");
strbuf_add(buf, data, len);
n = buf->len - orig_len;
if (n > LARGE_PACKET_MAX)
die("protocol error: impossibly long line");
set_packet_header(&buf->buf[orig_len], n);
packet_trace(data, len, 1);
}
int write_packetized_from_fd(int fd_in, int fd_out)
{
static char buf[LARGE_PACKET_DATA_MAX];

Просмотреть файл

@ -26,6 +26,7 @@ void packet_buf_flush(struct strbuf *buf);
void packet_buf_delim(struct strbuf *buf);
void packet_write(int fd_out, const char *buf, size_t size);
void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
void packet_buf_write_len(struct strbuf *buf, const char *data, size_t len);
int packet_flush_gently(int fd);
int packet_write_fmt_gently(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
int write_packetized_from_fd(int fd_in, int fd_out);