AP_Filesystem: review fixes

thanks Andy!
This commit is contained in:
Andrew Tridgell 2021-04-20 17:18:05 +10:00
parent b941b8c93a
commit 08cbfa032d
2 changed files with 7 additions and 5 deletions

View File

@ -126,7 +126,7 @@ int32_t AP_Filesystem_Mission::read(int fd, void *buf, uint32_t count)
uint8_t *ubuf = (uint8_t *)buf;
if (r.file_ofs < sizeof(struct header)) {
struct header hdr;
struct header hdr {};
hdr.data_type = uint16_t(r.mtype);
hdr.num_items = r.num_items;
uint8_t n = MIN(sizeof(hdr) - r.file_ofs, count);
@ -142,7 +142,7 @@ int32_t AP_Filesystem_Mission::read(int fd, void *buf, uint32_t count)
}
uint32_t data_ofs = r.file_ofs - sizeof(struct header);
mavlink_mission_item_int_t item;
mavlink_mission_item_int_t item {};
const uint8_t item_size = MAVLINK_MSG_ID_MISSION_ITEM_INT_LEN;
uint32_t item_ofs = data_ofs % item_size;
uint32_t total = 0;
@ -224,7 +224,7 @@ bool AP_Filesystem_Mission::check_file_name(const char *name, enum MAV_MISSION_T
/*
get one item
*/
bool AP_Filesystem_Mission::get_item(uint32_t idx, enum MAV_MISSION_TYPE mtype, mavlink_mission_item_int_t &item)
bool AP_Filesystem_Mission::get_item(uint32_t idx, enum MAV_MISSION_TYPE mtype, mavlink_mission_item_int_t &item) const
{
switch (mtype) {
case MAV_MISSION_TYPE_MISSION: {
@ -304,6 +304,7 @@ int32_t AP_Filesystem_Mission::write(int fd, const void *buf, uint32_t count)
if (flen > r.writebuf->get_length()) {
if (!r.writebuf->append(nullptr, flen - r.writebuf->get_length())) {
// not enough memory
errno = ENOSPC;
return -1;
}
}
@ -311,6 +312,7 @@ int32_t AP_Filesystem_Mission::write(int fd, const void *buf, uint32_t count)
}
if (r.file_ofs + count > r.writebuf->get_length()) {
if (!r.writebuf->append(nullptr, r.file_ofs + count - r.writebuf->get_length())) {
errno = ENOSPC;
return -1;
}
}
@ -371,7 +373,7 @@ bool AP_Filesystem_Mission::finish_upload(const rfile &r)
mission->clear();
}
for (uint32_t i=0; i<nitems; i++) {
mavlink_mission_item_int_t m;
mavlink_mission_item_int_t m {};
AP_Mission::Mission_Command cmd;
memcpy(&m, &b[sizeof(hdr)+i*item_size], item_size);
const MAV_MISSION_RESULT res = AP_Mission::mavlink_int_to_mission_cmd(m, cmd);

View File

@ -61,7 +61,7 @@ private:
bool check_file_name(const char *fname, enum MAV_MISSION_TYPE &mtype);
// get one item
bool get_item(uint32_t idx, enum MAV_MISSION_TYPE mtype, mavlink_mission_item_int_t &item);
bool get_item(uint32_t idx, enum MAV_MISSION_TYPE mtype, mavlink_mission_item_int_t &item) const;
// get number of items
uint32_t get_num_items(enum MAV_MISSION_TYPE mtype) const;