Function cmListFileLexer_SetString

Source/LexerParser/cmListFileLexer.c:2836–2861

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/*--------------------------------------------------------------------------*/
int cmListFileLexer_SetString(cmListFileLexer* lexer, char const* text,
                              size_t length)
{
  int result = 1;
  cmListFileLexerDestroy(lexer);
  /* text might be not NULL while length is 0. However, on some platforms
     malloc(0) will return NULL. To avoid signaling an error to the caller in
     such cases, ensure nonzero length. */
  size_t read_size = lexer->read_size - lexer->read_position;
  size_t string_size = read_size + length;
  if (string_size > 0) {
    lexer->string_buffer = (char*)malloc(string_size);
    if (lexer->string_buffer) {
      memcpy(lexer->string_buffer, lexer->read_buffer + lexer->read_position,
             read_size);
      memcpy(lexer->string_buffer + read_size, text, length);
      lexer->read_position += read_size;
      lexer->string_position = lexer->string_buffer;
      lexer->string_left = length;
    } else {
      result = 0;
    }
  }
  cmListFileLexerInit(lexer);
  return result;
}

/*--------------------------------------------------------------------------*/
cmListFileLexer_Token* cmListFileLexer_Scan(cmListFileLexer* lexer)