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-rw-r--r--transport-helper.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/transport-helper.c b/transport-helper.c
index db9bd1829..45a35df66 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -982,6 +982,7 @@ int transport_helper_init(struct transport *transport, const char *name)
#define PBUFFERSIZE 8192
/* Print bidirectional transfer loop debug message. */
+__attribute__((format (printf, 1, 2)))
static void transfer_debug(const char *fmt, ...)
{
va_list args;
@@ -1067,7 +1068,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
return -1;
} else if (bytes == 0) {
transfer_debug("%s EOF (with %i bytes in buffer)",
- t->src_name, t->bufuse);
+ t->src_name, (int)t->bufuse);
t->state = SSTATE_FLUSHING;
} else if (bytes > 0) {
t->bufuse += bytes;