From f1aec7d448d17f44f7391467066aa37ff9a87802 Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Sun, 14 Feb 2010 17:17:28 +0100 Subject: [sccp] Make the bitfields work on big endian machines too * Use the endian.h to fogure out for which endianess we are building and then use the bitfields in reverse order --- include/sccp/sccp_types.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'include') diff --git a/include/sccp/sccp_types.h b/include/sccp/sccp_types.h index 9310a6b..42fda96 100644 --- a/include/sccp/sccp_types.h +++ b/include/sccp/sccp_types.h @@ -24,6 +24,8 @@ #ifndef SCCP_TYPES_H #define SCCP_TYPES_H +#include + /* Table 1/Q.713 - SCCP message types */ enum sccp_message_types { SCCP_MSG_TYPE_CR = 1, @@ -87,11 +89,19 @@ enum { }; struct sccp_called_party_address { +#if __BYTE_ORDER == __LITTLE_ENDIAN u_int8_t point_code_indicator : 1, ssn_indicator : 1, global_title_indicator : 4, routing_indicator : 1, reserved : 1; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t reserved : 1, + routing_indicator : 1, + global_title_indicator : 4, + ssn_indicator : 1, + point_code_indicator : 1; +#endif u_int8_t data[0]; } __attribute__((packed)); @@ -100,8 +110,13 @@ struct sccp_called_party_address { /* Figure 6/Q.713 */ struct sccp_signalling_point_code { u_int8_t lsb; +#if __BYTE_ORDER == __LITTLE_ENDIAN u_int8_t msb : 6, reserved : 2; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t reserved : 2, + msb : 6; +#endif } __attribute__((packed)); /* SSN == subsystem number */ @@ -137,8 +152,13 @@ enum { }; struct sccp_global_title { +#if __BYTE_ORDER == __LITTLE_ENDIAN u_int8_t nature_of_addr_ind : 7, odd_even : 1; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t odd_even : 1, + nature_of_addr_ind : 7; +#endif u_int8_t data[0]; } __attribute__((packed)); -- cgit v1.2.3