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refactor(message): remove remaining unsafe and c types

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dignifiedquire
2019-09-21 14:58:35 +02:00
committed by holger krekel
parent 987f12740e
commit 0bdcc3d616
5 changed files with 93 additions and 146 deletions
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140
src/message.rs
View File

@@ -1,4 +1,3 @@
use std::ffi::CString;
use std::path::{Path, PathBuf};
use std::ptr;
@@ -355,9 +354,9 @@ impl Message {
if let Some(mut buf) = dc_read_file_safe(context, filename) {
unsafe {
// just a pointer inside buf, MUST NOT be free()'d
let mut buf_headerline: *const libc::c_char = ptr::null();
let mut buf_headerline = ptr::null();
// just a pointer inside buf, MUST NOT be free()'d
let mut buf_setupcodebegin: *const libc::c_char = ptr::null();
let mut buf_setupcodebegin = ptr::null();
if dc_split_armored_data(
buf.as_mut_ptr().cast(),
@@ -534,12 +533,12 @@ impl Lot {
}
}
pub unsafe fn get_msg_info(context: &Context, msg_id: u32) -> *mut libc::c_char {
pub fn get_msg_info(context: &Context, msg_id: u32) -> String {
let mut ret = String::new();
let msg = Message::load_from_db(context, msg_id);
if msg.is_err() {
return ptr::null_mut();
return ret;
}
let msg = msg.unwrap();
@@ -552,7 +551,7 @@ pub unsafe fn get_msg_info(context: &Context, msg_id: u32) -> *mut libc::c_char
if rawtxt.is_none() {
ret += &format!("Cannot load message #{}.", msg_id as usize);
return ret.strdup();
return ret;
}
let rawtxt = rawtxt.unwrap();
let rawtxt = dc_truncate(rawtxt.trim(), 100000, false);
@@ -579,7 +578,7 @@ pub unsafe fn get_msg_info(context: &Context, msg_id: u32) -> *mut libc::c_char
if msg.from_id == 2 || msg.to_id == 2 {
// device-internal message, no further details needed
return ret.strdup();
return ret;
}
if let Ok(rows) = context.sql.query_map(
@@ -671,7 +670,7 @@ pub unsafe fn get_msg_info(context: &Context, msg_id: u32) -> *mut libc::c_char
}
}
ret.strdup()
ret
}
pub fn guess_msgtype_from_suffix(path: &Path) -> Option<(Viewtype, &str)> {
@@ -692,39 +691,27 @@ pub fn guess_msgtype_from_suffix(path: &Path) -> Option<(Viewtype, &str)> {
KNOWN.get(extension).map(|x| *x)
}
pub unsafe fn get_mime_headers(context: &Context, msg_id: u32) -> *mut libc::c_char {
let headers: Option<String> = context.sql.query_get_value(
pub fn get_mime_headers(context: &Context, msg_id: u32) -> Option<String> {
context.sql.query_get_value(
context,
"SELECT mime_headers FROM msgs WHERE id=?;",
params![msg_id as i32],
);
if let Some(headers) = headers {
let h = CString::yolo(headers);
dc_strdup_keep_null(h.as_ptr())
} else {
std::ptr::null_mut()
}
)
}
pub unsafe fn delete_msgs(context: &Context, msg_ids: *const u32, msg_cnt: libc::c_int) {
if msg_ids.is_null() || msg_cnt <= 0i32 {
return;
}
let mut i: libc::c_int = 0i32;
while i < msg_cnt {
update_msg_chat_id(context, *msg_ids.offset(i as isize), 3i32 as u32);
pub fn delete_msgs(context: &Context, msg_ids: &[u32]) {
for msg_id in msg_ids.into_iter() {
update_msg_chat_id(context, *msg_id, DC_CHAT_ID_TRASH);
job_add(
context,
Action::DeleteMsgOnImap,
*msg_ids.offset(i as isize) as libc::c_int,
*msg_id as libc::c_int,
Params::new(),
0,
);
i += 1
}
if 0 != msg_cnt {
if !msg_ids.is_empty() {
context.call_cb(Event::MsgsChanged {
chat_id: 0,
msg_id: 0,
@@ -744,17 +731,17 @@ fn update_msg_chat_id(context: &Context, msg_id: u32, chat_id: u32) -> bool {
.is_ok()
}
pub fn markseen_msgs(context: &Context, msg_ids: *const u32, msg_cnt: usize) -> bool {
if msg_ids.is_null() || msg_cnt <= 0 {
pub fn markseen_msgs(context: &Context, msg_ids: &[u32]) -> bool {
if msg_ids.is_empty() {
return false;
}
let msgs = context.sql.prepare(
"SELECT m.state, c.blocked FROM msgs m LEFT JOIN chats c ON c.id=m.chat_id WHERE m.id=? AND m.chat_id>9",
|mut stmt, _| {
let mut res = Vec::with_capacity(msg_cnt);
for i in 0..msg_cnt {
let id = unsafe { *msg_ids.offset(i as isize) };
let query_res = stmt.query_row(params![id as i32], |row| {
let mut res = Vec::with_capacity(msg_ids.len());
for id in msg_ids.into_iter() {
let query_res = stmt.query_row(params![*id as i32], |row| {
Ok((row.get::<_, MessageState>(0)?, row.get::<_, Option<Blocked>>(1)?.unwrap_or_default()))
});
if let Err(rusqlite::Error::QueryReturnedNoRows) = query_res {
@@ -763,6 +750,7 @@ pub fn markseen_msgs(context: &Context, msg_ids: *const u32, msg_cnt: usize) ->
let (state, blocked) = query_res?;
res.push((id, state, blocked));
}
Ok(res)
}
);
@@ -777,20 +765,20 @@ pub fn markseen_msgs(context: &Context, msg_ids: *const u32, msg_cnt: usize) ->
for (id, curr_state, curr_blocked) in msgs.into_iter() {
if curr_blocked == Blocked::Not {
if curr_state == MessageState::InFresh || curr_state == MessageState::InNoticed {
update_msg_state(context, id, MessageState::InSeen);
update_msg_state(context, *id, MessageState::InSeen);
info!(context, "Seen message #{}.", id);
job_add(
context,
Action::MarkseenMsgOnImap,
id as i32,
*id as i32,
Params::new(),
0,
);
send_event = true;
}
} else if curr_state == MessageState::InFresh {
update_msg_state(context, id, MessageState::InNoticed);
update_msg_state(context, *id, MessageState::InNoticed);
send_event = true;
}
}
@@ -815,20 +803,15 @@ pub fn update_msg_state(context: &Context, msg_id: u32, state: MessageState) ->
.is_ok()
}
pub fn star_msgs(
context: &Context,
msg_ids: *const u32,
msg_cnt: libc::c_int,
star: libc::c_int,
) -> bool {
if msg_ids.is_null() || msg_cnt <= 0 || star != 0 && star != 1 {
pub fn star_msgs(context: &Context, msg_ids: &[u32], star: bool) -> bool {
if msg_ids.is_empty() {
return false;
}
context
.sql
.prepare("UPDATE msgs SET starred=? WHERE id=?;", |mut stmt, _| {
for i in 0..msg_cnt {
stmt.execute(params![star, unsafe { *msg_ids.offset(i as isize) as i32 }])?;
for msg_id in msg_ids.into_iter() {
stmt.execute(params![star as i32, *msg_id as i32])?;
}
Ok(())
})
@@ -964,26 +947,20 @@ pub fn set_msg_failed(context: &Context, msg_id: u32, error: Option<impl AsRef<s
}
}
///returns 1 if an event should be send
pub unsafe fn mdn_from_ext(
/// returns true if an event should be send
pub fn mdn_from_ext(
context: &Context,
from_id: u32,
rfc724_mid: &str,
timestamp_sent: i64,
ret_chat_id: *mut u32,
ret_msg_id: *mut u32,
) -> libc::c_int {
if from_id <= 9
|| rfc724_mid.is_empty()
|| ret_chat_id.is_null()
|| ret_msg_id.is_null()
|| *ret_chat_id != 0
|| *ret_msg_id != 0
{
return 0;
ret_chat_id: &mut u32,
ret_msg_id: &mut u32,
) -> bool {
if from_id <= 9 || rfc724_mid.is_empty() || *ret_chat_id != 0 || *ret_msg_id != 0 {
return false;
}
let mut read_by_all = 0;
let mut read_by_all = false;
if let Ok((msg_id, chat_id, chat_type, msg_state)) = context.sql.query_row(
"SELECT m.id, c.id, c.type, m.state FROM msgs m \
@@ -1025,7 +1002,7 @@ pub unsafe fn mdn_from_ext(
// Normal chat? that's quite easy.
if chat_type == Chattype::Single {
update_msg_state(context, *ret_msg_id, MessageState::OutMdnRcvd);
read_by_all = 1;
read_by_all = true;
} else {
// send event about new state
let ist_cnt: i32 = context
@@ -1052,7 +1029,7 @@ pub unsafe fn mdn_from_ext(
let soll_cnt = (chat::get_chat_contact_cnt(context, *ret_chat_id) + 1) / 2;
if ist_cnt >= soll_cnt {
update_msg_state(context, *ret_msg_id, MessageState::OutMdnRcvd);
read_by_all = 1;
read_by_all = true;
} // else wait for more receipts
}
}
@@ -1109,40 +1086,23 @@ pub fn rfc724_mid_cnt(context: &Context, rfc724_mid: &str) -> libc::c_int {
}
}
pub fn rfc724_mid_exists(
pub(crate) fn rfc724_mid_exists(
context: &Context,
rfc724_mid: &str,
ret_server_folder: *mut *mut libc::c_char,
ret_server_uid: *mut u32,
) -> u32 {
if rfc724_mid.is_empty() {
return 0;
}
match context.sql.query_row(
) -> Result<(String, u32, u32), Error> {
ensure!(!rfc724_mid.is_empty(), "empty rfc724_mid");
context.sql.query_row(
"SELECT server_folder, server_uid, id FROM msgs WHERE rfc724_mid=?",
&[rfc724_mid],
|row| {
if !ret_server_folder.is_null() {
unsafe { *ret_server_folder = row.get::<_, String>(0)?.strdup() };
}
if !ret_server_uid.is_null() {
unsafe { *ret_server_uid = row.get(1)? };
}
row.get(2)
},
) {
Ok(res) => res,
Err(_err) => {
if !ret_server_folder.is_null() {
unsafe { *ret_server_folder = ptr::null_mut() };
}
if !ret_server_uid.is_null() {
unsafe { *ret_server_uid = 0 };
}
let server_folder = row.get::<_, Option<String>>(0)?.unwrap_or_default();
let server_uid = row.get(1)?;
let msg_id = row.get(2)?;
0
}
}
Ok((server_folder, server_uid, msg_id))
},
)
}
pub fn update_server_uid(