Fix #279

Author: danog

src/types/class_object.rs

@@ -5,7 +5,7 @@ use std::{
     fmt::Debug,
     mem,
     ops::{Deref, DerefMut},
-    ptr::{self, NonNull},
+    ptr::{self, NonNull}, os::raw::c_char,
 };
 
 use crate::{
@@ -161,7 +161,7 @@ impl<T: RegisteredClass> ZendClassObject<T> {
     }
 
     fn _from_zend_obj(std: &zend_object) -> Option<&mut Self> {
-        let std = std as *const zend_object as *const i8;
+        let std = std as *const zend_object as *const c_char;
         let ptr = unsafe {
             let ptr = std.offset(0 - Self::std_offset() as isize) as *const Self;
             (ptr as *mut Self).as_mut()?

src/types/object.rs

@@ -1,7 +1,7 @@
 //! Represents an object in PHP. Allows for overriding the internal object used
 //! by classes, allowing users to store Rust data inside a PHP object.
 
-use std::{convert::TryInto, fmt::Debug, ops::DerefMut};
+use std::{convert::TryInto, fmt::Debug, ops::DerefMut, os::raw::c_char};
 
 use crate::{
     boxed::{ZBox, ZBoxable},
@@ -146,7 +146,7 @@ impl ZendObject {
         unsafe {
             let res = zend_hash_str_find_ptr_lc(
                 &(*self.ce).function_table,
-                name.as_ptr() as *const i8,
+                name.as_ptr() as *const c_char,
                 name.len(),
             ) as *mut zend_function;
             if res.is_null() {

src/zend/function.rs

@@ -52,7 +52,7 @@ pub type Function = zend_function;
 impl Function {
     pub fn try_from_function(name: &str) -> Option<Self> {
         unsafe {
-            let res = zend_fetch_function_str(name.as_ptr() as *const i8, name.len());
+            let res = zend_fetch_function_str(name.as_ptr() as *const c_char, name.len());
             if res.is_null() {
                 return None;
             }
@@ -65,7 +65,7 @@ impl Function {
             Some(ce) => unsafe {
                 let res = zend_hash_str_find_ptr_lc(
                     &ce.function_table,
-                    name.as_ptr() as *const i8,
+                    name.as_ptr() as *const c_char,
                     name.len(),
                 ) as *mut zend_function;
                 if res.is_null() {