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Fix adding to string that was allocated earlier

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This commit is contained in:
Sofia 2025-07-23 21:27:45 +03:00
parent 0d3abe8e42
commit d96fc51b9c
2 changed files with 14 additions and 15 deletions
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4
examples/loops.reid
View File

@ -1,13 +1,13 @@
// Arithmetic, function calls and imports!
import std::print;
import std::new_string;
import std::from_str;
import std::add_num_to_str;
import std::free_string;
fn main() -> u32 {
for i in 0 .. 15 {
let mut text = new_string();
let mut text = from_str("num: ");
add_num_to_str(&mut text, i);
print(&text);
free_string(&mut text);

25
reid/lib/std.reid
View File

@ -38,12 +38,12 @@ pub fn new_string() -> String {
}
pub fn from_str(str: *char) -> String {
let length = str_length(str, 0);
let length = str_length(str);
let cloned = malloc(length as u64) as *char;
copy_bits(str, cloned, 0, length as u64);
copy_bits(str, cloned, length as u64);
return String {
inner: cloned,
length: length,
length: length -1,
max_length: length,
must_be_freed: false,
};
@ -52,7 +52,7 @@ pub fn from_str(str: *char) -> String {
pub fn add_char(string: &mut String, c: char) {
if ((*string).length + 1) >= (*string).max_length {
let new = allocate((*string).max_length + 4) as *char;
copy_bits((*string).inner, new, 0, (*string).max_length);
copy_bits((*string).inner, new, (*string).max_length);
if (*string).must_be_freed == true {
free((*string).inner as *u8);
@ -77,19 +77,18 @@ pub fn free_string(string: &mut String) {
free((*string).inner as *u8);
}
fn copy_bits(from: *char, to: *char, pos: u64, max: u64) -> u8 {
if (pos >= max) {
return 0;
fn copy_bits(from: *char, to: *char, length: u64) {
for i in 0 .. length {
to[i] = from[i];
}
to[pos] = from[pos];
return copy_bits(from, to, pos + 1, max);
}
fn str_length(string: *char, position: u32) -> u32 {
if (string[position] == '\0') {
return 0;
fn str_length(string: *char) -> u32 {
let mut pos = 0;
while ((string[pos] == '\0') == false) {
pos = pos + 1;
}
return str_length(string, position + 1) + 1;
return pos + 1;
}
pub fn add_num_to_str(string: &mut String, num: u64) {