From: Lars Schneider <larsxschnei...@gmail.com>
packet_write() would die in case of a write error even though for some callers
an error would be acceptable. Add packet_write_gently_fmt() which writes a
formatted pkt-line and returns `0` for success and `-1` for an error.
Signed-off-by: Lars Schneider <larsxschnei...@gmail.com>
---
pkt-line.c | 13 +++++++++++++
pkt-line.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/pkt-line.c b/pkt-line.c
index 4f25748..a8207dd 100644
--- a/pkt-line.c
+++ b/pkt-line.c
@@ -142,6 +142,19 @@ void packet_write(int fd, const char *fmt, ...)
write_or_die(fd, buf.buf, buf.len);
}
+int packet_write_gently_fmt(int fd, const char *fmt, ...)
+{
+ static struct strbuf buf = STRBUF_INIT;
+ va_list args;
+
+ strbuf_reset(&buf);
+ va_start(args, fmt);
+ format_packet(1, &buf, fmt, args);
+ va_end(args);
+ packet_trace(buf.buf + 4, buf.len - 4, 1);
+ return (write_in_full(fd, buf.buf, buf.len) == buf.len ? 0 : -1);
+}
+
int packet_write_gently(const int fd_out, const char *buf, size_t size)
{
if (size > PKTLINE_DATA_MAXLEN)
diff --git a/pkt-line.h b/pkt-line.h
index 88584f1..82676f4 100644
--- a/pkt-line.h
+++ b/pkt-line.h
@@ -23,6 +23,7 @@ void packet_flush(int fd);
void packet_write(int fd, const char *fmt, ...) __attribute__((format (printf,
2, 3)));
void packet_buf_flush(struct strbuf *buf);
void packet_buf_write(struct strbuf *buf, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
+int packet_write_gently_fmt(int fd, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
/*
* Read a packetized line into the buffer, which must be at least size bytes
--
2.9.2
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