Fix for systems with unsigned char

bzip2.rs

@@ -4,8 +4,9 @@
 #![allow(unused_assignments)]
 #![allow(unused_mut)]
 
-use std::ffi::CStr;
+use std::ffi::{c_char, CStr};
 use std::mem::zeroed;
+use std::ptr;
 
 use libbzip2_rs_sys::bzlib::{
     BZ2_bzRead, BZ2_bzReadClose, BZ2_bzReadGetUnused, BZ2_bzReadOpen, BZ2_bzWrite,
@@ -33,7 +34,7 @@ struct UInt64 {
 #[derive(Copy, Clone)]
 #[repr(C)]
 struct zzzz {
-    name: *mut i8,
+    name: *mut c_char,
     link: *mut zzzz,
 }
 type Cell = zzzz;
@@ -52,12 +53,12 @@ static mut exitValue: i32 = 0;
 static mut opMode: i32 = 0;
 static mut srcMode: i32 = 0;
 static mut longestFileName: i32 = 0;
-static mut inName: [i8; 1034] = [0; 1034];
-static mut outName: [i8; 1034] = [0; 1034];
-static mut tmpName: [i8; 1034] = [0; 1034];
-static mut progName: *mut i8 = 0 as *const i8 as *mut i8;
-static mut progNameReally: [i8; 1034] = [0; 1034];
-static mut outputHandleJustInCase: *mut FILE = 0 as *const FILE as *mut FILE;
+static mut inName: [c_char; 1034] = [0; 1034];
+static mut outName: [c_char; 1034] = [0; 1034];
+static mut tmpName: [c_char; 1034] = [0; 1034];
+static mut progName: *mut c_char = ptr::null_mut();
+static mut progNameReally: [c_char; 1034] = [0; 1034];
+static mut outputHandleJustInCase: *mut FILE = ptr::null_mut();
 static mut workFactor: i32 = 0;
 unsafe fn uInt64_from_UInt32s(mut n: *mut UInt64, mut lo32: u32, mut hi32: u32) {
     (*n).b[7 as libc::c_int as usize] =

bzlib.rs

@@ -1788,7 +1788,7 @@ pub unsafe extern "C" fn BZ2_bzWrite(
     (*bzf).strm.next_in = buf as *mut libc::c_char;
     loop {
         (*bzf).strm.avail_out = 5000 as libc::c_int as libc::c_uint;
-        (*bzf).strm.next_out = ((*bzf).buf).as_mut_ptr();
+        (*bzf).strm.next_out = ((*bzf).buf).as_mut_ptr().cast::<c_char>();
         ret = BZ2_bzCompress(&mut (*bzf).strm, 0 as libc::c_int);
         if ret != 1 as libc::c_int {
             if !bzerror.is_null() {
@@ -1902,7 +1902,7 @@ pub unsafe extern "C" fn BZ2_bzWriteClose64(
     if abandon == 0 && (*bzf).lastErr == 0 as libc::c_int {
         loop {
             (*bzf).strm.avail_out = 5000 as libc::c_int as libc::c_uint;
-            (*bzf).strm.next_out = ((*bzf).buf).as_mut_ptr();
+            (*bzf).strm.next_out = ((*bzf).buf).as_mut_ptr().cast::<c_char>();
             ret = BZ2_bzCompress(&mut (*bzf).strm, 2 as libc::c_int);
             if ret != 3 as libc::c_int && ret != 4 as libc::c_int {
                 if !bzerror.is_null() {
@@ -2052,7 +2052,7 @@ pub unsafe extern "C" fn BZ2_bzReadOpen(
         return std::ptr::null_mut::<libc::c_void>();
     }
     (*bzf).strm.avail_in = (*bzf).bufN as libc::c_uint;
-    (*bzf).strm.next_in = ((*bzf).buf).as_mut_ptr();
+    (*bzf).strm.next_in = ((*bzf).buf).as_mut_ptr().cast::<c_char>();
     (*bzf).initialisedOk = true;
     bzf as *mut libc::c_void
 }
@@ -2162,7 +2162,7 @@ pub unsafe extern "C" fn BZ2_bzRead(
             }
             (*bzf).bufN = n;
             (*bzf).strm.avail_in = (*bzf).bufN as libc::c_uint;
-            (*bzf).strm.next_in = ((*bzf).buf).as_mut_ptr();
+            (*bzf).strm.next_in = ((*bzf).buf).as_mut_ptr().cast::<c_char>();
         }
         ret = BZ2_bzDecompress(&mut (*bzf).strm);
         if ret != 0 as libc::c_int && ret != 4 as libc::c_int {