Remove `:= context.allocator` usage in `package os2`

core/os/os2/env.odin

@@ -1,10 +1,12 @@
 package os2
 
+import "core:runtime"
+
 // get_env retrieves the value of the environment variable named by the key
 // It returns the value, which will be empty if the variable is not present
 // To distinguish between an empty value and an unset value, use lookup_env
 // NOTE: the value will be allocated with the supplied allocator
-get_env :: proc(key: string, allocator := context.allocator) -> string {
+get_env :: proc(key: string, allocator: runtime.Allocator) -> string {
 	value, _ := lookup_env(key, allocator)
 	return value
 }
@@ -13,7 +15,7 @@ get_env :: proc(key: string, allocator := context.allocator) -> string {
 // If the variable is found in the environment the value (which can be empty) is returned and the boolean is true
 // Otherwise the returned value will be empty and the boolean will be false
 // NOTE: the value will be allocated with the supplied allocator
-lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
+lookup_env :: proc(key: string, allocator: runtime.Allocator) -> (value: string, found: bool) {
 	return _lookup_env(key, allocator)
 }
 
@@ -36,7 +38,7 @@ clear_env :: proc() {
 
 // environ returns a copy of strings representing the environment, in the form "key=value"
 // NOTE: the slice of strings and the strings with be allocated using the supplied allocator
-environ :: proc(allocator := context.allocator) -> []string {
+environ :: proc(allocator: runtime.Allocator) -> []string {
 	return _environ(allocator)
 }
 

core/os/os2/env_linux.odin

@@ -1,7 +1,9 @@
 //+private
 package os2
 
-_get_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
+import "core:runtime"
+
+_get_env :: proc(key: string, allocator: runtime.Allocator) -> (value: string, found: bool) {
 	//TODO
 	return
 }
@@ -20,7 +22,7 @@ _clear_env :: proc() {
 	//TODO
 }
 
-_environ :: proc(allocator := context.allocator) -> []string {
+_environ :: proc(allocator: runtime.Allocator) -> []string {
 	//TODO
 	return nil
 }

core/os/os2/file_linux.odin

@@ -254,7 +254,7 @@ _symlink :: proc(old_name, new_name: string) -> Error {
 	return _ok_or_error(unix.sys_symlink(old_name_cstr, new_name_cstr))
 }
 
-_read_link_cstr :: proc(name_cstr: cstring, allocator := context.allocator) -> (string, Error) {
+_read_link_cstr :: proc(name_cstr: cstring, allocator: runtime.Allocator) -> (string, Error) {
 	bufsz : uint = 256
 	buf := make([]byte, bufsz, allocator)
 	for {
@@ -272,7 +272,7 @@ _read_link_cstr :: proc(name_cstr: cstring, allocator := context.allocator) -> (
 	}
 }
 
-_read_link :: proc(name: string, allocator := context.allocator) -> (string, Error) {
+_read_link :: proc(name: string, allocator: runtime.Allocator) -> (string, Error) {
 	name_cstr, allocated := _name_to_cstring(name)
 	defer if allocated {
 		delete(name_cstr)

core/os/os2/file_util.odin

@@ -1,6 +1,7 @@
 package os2
 
 import "core:mem"
+import "core:runtime"
 import "core:strconv"
 import "core:unicode/utf8"
 
@@ -74,7 +75,7 @@ read_ptr :: proc(f: ^File, data: rawptr, len: int) -> (n: int, err: Error) {
 
 
 
-read_entire_file :: proc(name: string, allocator := context.allocator) -> (data: []byte, err: Error) {
+read_entire_file :: proc(name: string, allocator: runtime.Allocator) -> (data: []byte, err: Error) {
 	f, ferr := open(name)
 	if ferr != nil {
 		return nil, ferr

core/os/os2/path_linux.odin

@@ -229,7 +229,7 @@ _setwd :: proc(dir: string) -> Error {
 	return _ok_or_error(unix.sys_chdir(dir_cstr))
 }
 
-_get_full_path :: proc(fd: int, allocator := context.allocator) -> string {
+_get_full_path :: proc(fd: int, allocator: runtime.Allocator) -> string {
 	PROC_FD_PATH :: "/proc/self/fd/"
 
 	buf: [32]u8

core/os/os2/stat_linux.odin

@@ -83,7 +83,7 @@ _Stat :: struct {
 }
 
 
-_fstat :: proc(f: ^File, allocator := context.allocator) -> (File_Info, Error) {
+_fstat :: proc(f: ^File, allocator: runtime.Allocator) -> (File_Info, Error) {
 	return _fstat_internal(f.impl.fd, allocator)
 }
 
@@ -111,7 +111,7 @@ _fstat_internal :: proc(fd: int, allocator: runtime.Allocator) -> (File_Info, Er
 }
 
 // NOTE: _stat and _lstat are using _fstat to avoid a race condition when populating fullpath
-_stat :: proc(name: string, allocator := context.allocator) -> (File_Info, Error) {
+_stat :: proc(name: string, allocator: runtime.Allocator) -> (File_Info, Error) {
 	name_cstr, allocated := _name_to_cstring(name)
 	defer if allocated {
 		delete(name_cstr)
@@ -125,7 +125,7 @@ _stat :: proc(name: string, allocator := context.allocator) -> (File_Info, Error
 	return _fstat_internal(fd, allocator)
 }
 
-_lstat :: proc(name: string, allocator := context.allocator) -> (File_Info, Error) {
+_lstat :: proc(name: string, allocator: runtime.Allocator) -> (File_Info, Error) {
 	name_cstr, allocated := _name_to_cstring(name)
 	defer if allocated {
 		delete(name_cstr)