200   UBool isError = FALSE;  in UnicodeString()  local
201   U16_APPEND(fUnion.fStackFields.fBuffer, i, US_STACKBUF_SIZE, ch, isError);  in UnicodeString()
204   if(!isError) {  in UnicodeString()
1261   UBool isError = FALSE;  in replace()  local
1262   U16_APPEND(buffer, count, U16_MAX_LENGTH, srcChar, isError);  in replace()
1266   return doReplace(start, _length, buffer, 0, isError ? 0 : count);  in replace()
1273   UBool isError = FALSE;  in append()  local
1274   U16_APPEND(buffer, _length, U16_MAX_LENGTH, srcChar, isError);  in append()
1277   return isError ? *this : doReplace(length(), 0, buffer, 0, _length);  in append()
1732   UBool isError = FALSE;  in appendCodePoint()  local
1733   U16_APPEND(buffer, cLength, U16_MAX_LENGTH, c, isError);  in appendCodePoint()
1734   return !isError && str.doReplace(str.length(), 0, buffer, 0, cLength).isWritable();  in appendCodePoint()