[RFC 1/7] pkt-line: add packet_write function

[Brandon Williams <bmwill@google.com>]

Add a function which can be used to write the contents of an arbitrary
buffer.  This makes it easy to build up data in a strbuf before writing
the packet.

Signed-off-by: Brandon Williams <bmwill@google.com>
---
 pkt-line.c | 6 ++++++
 pkt-line.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/pkt-line.c b/pkt-line.c
index 7db911957..cf98f371b 100644
--- a/pkt-line.c
+++ b/pkt-line.c
@@ -188,6 +188,12 @@ static int packet_write_gently(const int fd_out, const char *buf, size_t size)
 	return error("packet write failed");
 }
 
+void packet_write(const int fd_out, const char *buf, size_t size)
+{
+	if (packet_write_gently(fd_out, buf, size))
+		die_errno("packet write failed");
+}
+
 void packet_buf_write(struct strbuf *buf, const char *fmt, ...)
 {
 	va_list args;
diff --git a/pkt-line.h b/pkt-line.h
index 66ef610fc..d9e9783b1 100644
--- a/pkt-line.h
+++ b/pkt-line.h
@@ -22,6 +22,7 @@
 void packet_flush(int fd);
 void packet_write_fmt(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
 void packet_buf_flush(struct strbuf *buf);
+void packet_write(const int fd_out, const char *buf, size_t size);
 void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
 int packet_flush_gently(int fd);
 int packet_write_fmt_gently(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
-- 
2.14.1.342.g6490525c54-goog