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Replace explicit casts from 0 to pointer with std::ptr::null

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This commit is contained in:
Dmitry Bogatov
2019-08-27 19:12:03 +00:00
parent 22c1b34ebf
commit 2fe07e86c7
15 changed files with 223 additions and 238 deletions
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11
src/dc_strencode.rs
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@@ -1,4 +1,5 @@
use std::ffi::{CStr, CString};
use std::ptr;
use charset::Charset;
use mmime::mailmime_decode::*;
@@ -79,7 +80,7 @@ fn hex_2_int(ch: libc::c_char) -> libc::c_char {
pub unsafe fn dc_encode_header_words(to_encode: *const libc::c_char) -> *mut libc::c_char {
let mut ok_to_continue = true;
let mut ret_str: *mut libc::c_char = 0 as *mut libc::c_char;
let mut ret_str: *mut libc::c_char = ptr::null_mut();
let mut cur: *const libc::c_char = to_encode;
let mmapstr: *mut MMAPString = mmap_string_new(b"\x00" as *const u8 as *const libc::c_char);
if to_encode.is_null() || mmapstr.is_null() {
@@ -270,9 +271,9 @@ unsafe fn to_be_quoted(word: *const libc::c_char, size: size_t) -> bool {
pub unsafe fn dc_decode_header_words(in_0: *const libc::c_char) -> *mut libc::c_char {
if in_0.is_null() {
return 0 as *mut libc::c_char;
return ptr::null_mut();
}
let mut out: *mut libc::c_char = 0 as *mut libc::c_char;
let mut out: *mut libc::c_char = ptr::null_mut();
let mut cur_token: size_t = 0i32 as size_t;
let r: libc::c_int = mailmime_encoded_phrase_parse(
b"iso-8859-1\x00" as *const u8 as *const libc::c_char,
@@ -616,8 +617,8 @@ pub unsafe fn dc_encode_ext_header(to_encode: *const libc::c_char) -> *mut libc:
}
pub unsafe fn dc_decode_ext_header(to_decode: *const libc::c_char) -> *mut libc::c_char {
let mut decoded: *mut libc::c_char = 0 as *mut libc::c_char;
let mut charset: *mut libc::c_char = 0 as *mut libc::c_char;
let mut decoded: *mut libc::c_char = ptr::null_mut();
let mut charset: *mut libc::c_char = ptr::null_mut();
let mut p2: *const libc::c_char;
if !to_decode.is_null() {
// get char set