Mirror/ardupilot
5
0
Fork 0
mirror of https://github.com/ArduPilot/ardupilot synced 2025-01-30 12:38:33 -04:00
Code Issues Packages Projects Releases Wiki Activity

DataFlash: Change ::bufferspace_available return type

Browse Source 
from 'uint16_t' to 'uint32_t' to avoid overflow (possible in at least
two implementations: Block and File).
This commit is contained in:
Murilo Belluzzo 2016-07-30 15:13:12 -03:00 committed by Andrew Tridgell
parent 3f1896b9b7
commit a91da2e803
7 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libraries/DataFlash/DataFlash_Backend.h
View File

@ -60,7 +60,7 @@ public:
void set_mission(const AP_Mission *mission);
virtual uint16_t bufferspace_available() = 0;
virtual uint32_t bufferspace_available() = 0;
virtual uint16_t start_new_log(void) = 0;
bool log_write_started;

4
libraries/DataFlash/DataFlash_Block.cpp
View File

@ -12,11 +12,11 @@ extern AP_HAL::HAL& hal;
// this if (and only if!) the low level format changes
#define DF_LOGGING_FORMAT 0x28122013
uint16_t DataFlash_Block::bufferspace_available()
uint32_t DataFlash_Block::bufferspace_available()
{
// because DataFlash_Block devices are ring buffers, we *always*
// have room...
return df_NumPages * df_PageSize;
return df_NumPages * df_PageSize;
}
// *** DATAFLASH PUBLIC FUNCTIONS ***

2
libraries/DataFlash/DataFlash_Block.h
View File

@ -40,7 +40,7 @@ public:
void ShowDeviceInfo(AP_HAL::BetterStream *port);
void ListAvailableLogs(AP_HAL::BetterStream *port);
uint16_t bufferspace_available();
uint32_t bufferspace_available();
private:
struct PageHeader {

2
libraries/DataFlash/DataFlash_File.cpp
View File

@ -473,7 +473,7 @@ bool DataFlash_File::WritePrioritisedBlock(const void *pBuffer, uint16_t size, b
return false;
}
uint16_t space = _writebuf.space();
uint32_t space = _writebuf.space();
if (_writing_startup_messages &&
_startup_messagewriter->fmt_done()) {

6
libraries/DataFlash/DataFlash_File.h
View File

@ -44,7 +44,7 @@ public:
/* Write a block of data at current offset */
bool WritePrioritisedBlock(const void *pBuffer, uint16_t size, bool is_critical);
uint16_t bufferspace_available();
uint32_t bufferspace_available();
// high level interface
uint16_t find_last_log() override;
@ -129,9 +129,9 @@ private:
}
return ret;
};
uint16_t non_messagewriter_message_reserved_space() const {
uint32_t non_messagewriter_message_reserved_space() const {
// possibly make this a proportional to buffer size?
uint16_t ret = 1024;
uint32_t ret = 1024;
if (ret >= _writebuf.get_size()) {
// need to allow messages out from the messagewriters. In
// this case while you have a messagewriter you won't get

2
libraries/DataFlash/DataFlash_MAVLink.cpp
View File

@ -55,7 +55,7 @@ bool DataFlash_MAVLink::logging_failed() const
return !_sending_to_client;
}
uint16_t DataFlash_MAVLink::bufferspace_available() {
uint32_t DataFlash_MAVLink::bufferspace_available() {
return (_blockcount_free * 200 + remaining_space_in_current_block());
}

2
libraries/DataFlash/DataFlash_MAVLink.h
View File

@ -157,7 +157,7 @@ private:
void Log_Write_DF_MAV(DataFlash_MAVLink &df);
void internal_error();
uint16_t bufferspace_available() override; // in bytes
uint32_t bufferspace_available() override; // in bytes
uint8_t remaining_space_in_current_block();
// write buffer
uint8_t _blockcount_free;