Cleanup some code

native/src/base/files.cpp

@@ -12,7 +12,7 @@
 using namespace std;
 
 int fd_pathat(int dirfd, const char *name, char *path, size_t size) {
-    if (fd_path(dirfd, byte_slice(path, size)) < 0)
+    if (fd_path(dirfd, u8_mut_slice(path, size)) < 0)
         return -1;
     auto len = strlen(path);
     path[len] = '/';

native/src/base/logging.cpp

@@ -15,7 +15,7 @@ static int fmt_and_log_with_rs(LogLevel level, const char *fmt, va_list ap) {
     buf[0] = '\0';
     // Fortify logs when a fatal error occurs. Do not run through fortify again
     int len = std::min(__call_bypassing_fortify(vsnprintf)(buf, sz, fmt, ap), sz - 1);
-    log_with_rs(level, rust::Slice(reinterpret_cast<const uint8_t *>(buf), len));
+    log_with_rs(level, u8_slice(buf, sz));
     return len;
 }
 

native/src/base/misc.hpp

@@ -120,10 +120,15 @@ struct StringCmp {
 };
 
 template<typename T>
-rust::Slice<uint8_t> byte_slice(T *buf, size_t sz) {
+rust::Slice<uint8_t> u8_mut_slice(T *buf, size_t sz) {
     return rust::Slice(reinterpret_cast<uint8_t *>(buf), sz);
 }
 
+template<typename T>
+rust::Slice<const uint8_t> u8_slice(T *buf, size_t sz) {
+    return rust::Slice(reinterpret_cast<const uint8_t *>(buf), sz);
+}
+
 uint64_t parse_uint64_hex(std::string_view s);
 int parse_int(std::string_view s);