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AP_GPS: do not use flexible array in union

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We actually don't want a flexible array in this union, but rather a way
to access it byte by byte. This fixes the build for gcc >= 6

In file included from ../../libraries/AP_GPS/AP_GPS.cpp:24:0:
../../libraries/AP_GPS/AP_GPS_ERB.h:93:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.

In file included from ../../libraries/AP_GPS/AP_GPS_ERB.cpp:22:0:
../../libraries/AP_GPS/AP_GPS_ERB.h:93:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.

In file included from ../../libraries/AP_GPS/AP_GPS_MTK.cpp:25:0:
../../libraries/AP_GPS/AP_GPS_MTK.h:75:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.

In file included from ../../libraries/AP_GPS/AP_GPS_MTK19.cpp:26:0:
../../libraries/AP_GPS/AP_GPS_MTK.h:75:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.

In file included from ../../libraries/AP_GPS/AP_GPS_SIRF.cpp:22:0:
../../libraries/AP_GPS/AP_GPS_SIRF.h:101:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.

In file included from ../../libraries/AP_GPS/AP_GPS_UBLOX.cpp:23:0:
../../libraries/AP_GPS/AP_GPS_UBLOX.h:387:23: error: flexible array member in union
         uint8_t bytes[];
                       ^
compilation terminated due to -Wfatal-errors.
This commit is contained in:
Lucas De Marchi 2016-05-16 13:46:33 -03:00
parent d615628367
commit 39bd196481
5 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libraries/AP_GPS/AP_GPS_ERB.h
View File

@ -90,7 +90,7 @@ private:
erb_stat stat; erb_stat stat;
erb_dops dops; erb_dops dops;
erb_vel vel; erb_vel vel;
uint8_t bytes[]; uint8_t bytes[1];
} _buffer; } _buffer;
enum erb_protocol_bytes { enum erb_protocol_bytes {

2
libraries/AP_GPS/AP_GPS_MTK.h
View File

@ -72,7 +72,7 @@ private:
// Receive buffer // Receive buffer
union PACKED { union PACKED {
diyd_mtk_msg msg; diyd_mtk_msg msg;
uint8_t bytes[]; uint8_t bytes[1];
} _buffer; } _buffer;
// Buffer parse & GPS state update // Buffer parse & GPS state update

2
libraries/AP_GPS/AP_GPS_MTK19.h
View File

@ -78,6 +78,6 @@ private:
// Receive buffer // Receive buffer
union { union {
diyd_mtk_msg msg; diyd_mtk_msg msg;
uint8_t bytes[]; uint8_t bytes[1];
} _buffer; } _buffer;
}; };

2
libraries/AP_GPS/AP_GPS_SIRF.h
View File

@ -98,7 +98,7 @@ private:
// Message buffer // Message buffer
union { union {
sirf_geonav nav; sirf_geonav nav;
uint8_t bytes[]; uint8_t bytes[1];
} _buffer; } _buffer;
bool _parse_gps(void); bool _parse_gps(void);

2
libraries/AP_GPS/AP_GPS_UBLOX.h
View File

@ -384,7 +384,7 @@ private:
ubx_rxm_rawx rxm_rawx; ubx_rxm_rawx rxm_rawx;
#endif #endif
ubx_ack_ack ack; ubx_ack_ack ack;
uint8_t bytes[]; uint8_t bytes[1];
} _buffer; } _buffer;
enum ubs_protocol_bytes { enum ubs_protocol_bytes {