src/hotspot/share/utilities/utf8.cpp

@@ -399,11 +399,11 @@
 
 bool UNICODE::is_latin1(jchar c) {
   return (c <= 0x00FF);
 }
 
-bool UNICODE::is_latin1(jchar* base, int length) {
+bool UNICODE::is_latin1(const jchar* base, int length) {
   for (int index = 0; index < length; index++) {
     if (base[index] > 0x00FF) {
       return false;
     }
   }

@@ -432,31 +432,31 @@
     return 2;
   }
 }
 
 template<typename T>
-int UNICODE::utf8_length(T* base, int length) {
+int UNICODE::utf8_length(const T* base, int length) {
   int result = 0;
   for (int index = 0; index < length; index++) {
     T c = base[index];
     result += utf8_size(c);
   }
   return result;
 }
 
 template<typename T>
-char* UNICODE::as_utf8(T* base, int& length) {
+char* UNICODE::as_utf8(const T* base, int& length) {
   int utf8_len = utf8_length(base, length);
   u_char* buf = NEW_RESOURCE_ARRAY(u_char, utf8_len + 1);
   char* result = as_utf8(base, length, (char*) buf, utf8_len + 1);
   assert((int) strlen(result) == utf8_len, "length prediction must be correct");
   // Set string length to uft8 length
   length = utf8_len;
   return (char*) result;
 }
 
-char* UNICODE::as_utf8(jchar* base, int length, char* buf, int buflen) {
+char* UNICODE::as_utf8(const jchar* base, int length, char* buf, int buflen) {
   u_char* p = (u_char*)buf;
   for (int index = 0; index < length; index++) {
     jchar c = base[index];
     buflen -= utf8_size(c);
     if (buflen <= 0) break; // string is truncated

@@ -464,11 +464,11 @@
   }
   *p = '\0';
   return buf;
 }
 
-char* UNICODE::as_utf8(jbyte* base, int length, char* buf, int buflen) {
+char* UNICODE::as_utf8(const jbyte* base, int length, char* buf, int buflen) {
   u_char* p = (u_char*)buf;
   u_char* end = (u_char*)buf + buflen;
   for (int index = 0; index < length; index++) {
     jbyte c = base[index];
     int sz = utf8_size(c);

@@ -494,11 +494,11 @@
   *utf8_buffer = '\0';
 }
 
 // returns the quoted ascii length of a unicode string
 template<typename T>
-int UNICODE::quoted_ascii_length(T* base, int length) {
+int UNICODE::quoted_ascii_length(const T* base, int length) {
   int result = 0;
   for (int i = 0; i < length; i++) {
     T c = base[i];
     if (c >= 32 && c < 127) {
       result++;

@@ -527,13 +527,13 @@
   }
   *p = '\0';
 }
 
 // Explicit instantiation for all supported types.
-template int UNICODE::utf8_length(jbyte* base, int length);
-template int UNICODE::utf8_length(jchar* base, int length);
-template char* UNICODE::as_utf8(jbyte* base, int& length);
-template char* UNICODE::as_utf8(jchar* base, int& length);
-template int UNICODE::quoted_ascii_length<jbyte>(jbyte* base, int length);
-template int UNICODE::quoted_ascii_length<jchar>(jchar* base, int length);
+template int UNICODE::utf8_length(const jbyte* base, int length);
+template int UNICODE::utf8_length(const jchar* base, int length);
+template char* UNICODE::as_utf8(const jbyte* base, int& length);
+template char* UNICODE::as_utf8(const jchar* base, int& length);
+template int UNICODE::quoted_ascii_length<jbyte>(const jbyte* base, int length);
+template int UNICODE::quoted_ascii_length<jchar>(const jchar* base, int length);
 template void UNICODE::as_quoted_ascii<jbyte>(const jbyte* base, int length, char* buf, int buflen);
 template void UNICODE::as_quoted_ascii<jchar>(const jchar* base, int length, char* buf, int buflen);