mirror of
https://github.com/simonask/libyaml-safer
synced 2024-11-26 21:30:24 +00:00
Factor out MOVE macro
This commit is contained in:
David Tolnay
parent
3717db9fd6
commit
758da1eb9e
1 changed files with 31 additions and 128 deletions
159
src/emitter.rs
159
src/emitter.rs
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@ -21,6 +21,30 @@ use crate::{
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};
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use core::ptr::{self, addr_of_mut};
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macro_rules! MOVE {
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($string:expr) => {
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$string.pointer = $string.pointer.wrapping_offset(
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(if *$string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32 {
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1_i32
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} else if *$string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32
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== 0xc0_i32
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{
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2_i32
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} else if *$string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32
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== 0xe0_i32
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{
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3_i32
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} else if *$string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32
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== 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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)
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};
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}
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unsafe fn yaml_emitter_set_emitter_error(
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mut emitter: *mut yaml_emitter_t,
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problem: *const libc::c_char,
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@ -1518,22 +1542,7 @@ unsafe fn yaml_emitter_analyze_tag_directive(
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as *const libc::c_char,
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);
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}
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handle.pointer = handle.pointer.wrapping_offset(
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(if *handle.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32 {
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1_i32
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} else if *handle.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32 == 0xc0_i32
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{
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2_i32
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} else if *handle.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32 == 0xe0_i32
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{
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3_i32
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} else if *handle.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32 == 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(handle);
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}
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if prefix.start == prefix.end {
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return yaml_emitter_set_emitter_error(
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@ -1592,22 +1601,7 @@ unsafe fn yaml_emitter_analyze_anchor(
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},
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);
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}
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32 {
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32 == 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32 == 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32 == 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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}
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let fresh47 = addr_of_mut!((*emitter).anchor_data.anchor);
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*fresh47 = string.start;
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@ -2217,22 +2211,7 @@ unsafe fn yaml_emitter_analyze_scalar(
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|| *string.pointer.wrapping_offset(0_isize) as libc::c_int
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== '\0' as i32 as yaml_char_t as libc::c_int))
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as libc::c_int;
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32 {
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32 == 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32 == 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32 == 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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if string.pointer != string.end {
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followed_by_whitespace = (*string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32 {
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@ -3345,26 +3324,7 @@ unsafe fn yaml_emitter_write_plain_scalar(
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if yaml_emitter_write_indent(emitter) == 0 {
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return 0_i32;
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}
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32
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{
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32
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== 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32
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== 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32
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== 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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} else if !((((*emitter).buffer.pointer).wrapping_offset(5_isize)
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< (*emitter).buffer.end
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|| yaml_emitter_flush(emitter) != 0)
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@ -3753,26 +3713,7 @@ unsafe fn yaml_emitter_write_single_quoted_scalar(
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if yaml_emitter_write_indent(emitter) == 0 {
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return 0_i32;
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}
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32
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{
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32
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== 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32
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== 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32
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== 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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} else if !((((*emitter).buffer.pointer).wrapping_offset(5_isize)
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< (*emitter).buffer.end
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|| yaml_emitter_flush(emitter) != 0)
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@ -4647,26 +4588,7 @@ unsafe fn yaml_emitter_write_double_quoted_scalar(
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return 0_i32;
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}
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}
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32
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{
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32
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== 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32
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== 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32
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== 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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} else if !((((*emitter).buffer.pointer).wrapping_offset(5_isize)
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< (*emitter).buffer.end
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|| yaml_emitter_flush(emitter) != 0)
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@ -5587,26 +5509,7 @@ unsafe fn yaml_emitter_write_folded_scalar(
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if yaml_emitter_write_indent(emitter) == 0 {
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return 0_i32;
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}
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string.pointer = string.pointer.wrapping_offset(
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(if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0x80_i32 == 0_i32
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{
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1_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xe0_i32
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== 0xc0_i32
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{
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2_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf0_i32
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== 0xe0_i32
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{
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3_i32
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} else if *string.pointer.wrapping_offset(0_isize) as libc::c_int & 0xf8_i32
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== 0xf0_i32
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{
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4_i32
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} else {
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0_i32
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}) as isize,
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);
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MOVE!(string);
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} else if !((((*emitter).buffer.pointer).wrapping_offset(5_isize)
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< (*emitter).buffer.end
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|| yaml_emitter_flush(emitter) != 0)
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