From ef315ed66215c95b998c523704de987ae073d5cc Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Sat, 21 Dec 2013 16:56:42 +0100
Subject: [PATCH] improve nativenet send functions return type
---
cpu/native/include/nativenet_internal.h | 1 +
cpu/native/include/tap.h | 1 -
cpu/native/net/tap.c | 4 ++--
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/cpu/native/include/nativenet_internal.h b/cpu/native/include/nativenet_internal.h
index 80879203a8..58a2f2d7c1 100644
--- a/cpu/native/include/nativenet_internal.h
+++ b/cpu/native/include/nativenet_internal.h
@@ -40,4 +40,5 @@ struct rx_buffer_s {
extern struct rx_buffer_s _nativenet_rx_buffer[RX_BUF_SIZE];
void _nativenet_handle_packet(radio_packet_t *packet);
+int8_t send_buf(radio_packet_t *packet);
#endif /* NATIVENET_INTERNAL_H */
diff --git a/cpu/native/include/tap.h b/cpu/native/include/tap.h
index 719c0b351b..9a20295caf 100644
--- a/cpu/native/include/tap.h
+++ b/cpu/native/include/tap.h
@@ -31,7 +31,6 @@
* On OSX a name has to be provided.
*/
int tap_init(char *name);
-int send_buf(radio_packet_t *packet);
extern int _native_tap_fd;
extern unsigned char _native_tap_mac[ETHER_ADDR_LEN];
diff --git a/cpu/native/net/tap.c b/cpu/native/net/tap.c
index d4be66bd0a..df6fd94ed7 100644
--- a/cpu/native/net/tap.c
+++ b/cpu/native/net/tap.c
@@ -162,7 +162,7 @@ int _native_marshall_ethernet(uint8_t *framebuf, radio_packet_t *packet)
return data_len + ETHER_HDR_LEN;
}
-int send_buf(radio_packet_t *packet)
+int8_t send_buf(radio_packet_t *packet)
{
uint8_t buf[TAP_BUFFER_LENGTH];
int nsent, to_send;
@@ -178,7 +178,7 @@ int send_buf(radio_packet_t *packet)
warn("write");
return -1;
}
- return 0;
+ return (nsent > INT8_MAX ? INT8_MAX : nsent);
}
int tap_init(char *name)
--
GitLab