Function extract_token

src/common/jsonapi.c:1125–1134

* Extract the current token from a lexing context, for error reporting. */

 * Extract the current token from a lexing context, for error reporting.
 */
static char *
extract_token(JsonLexContext *lex)
{
	int			toklen = lex->token_terminator - lex->token_start;
	char	   *token = palloc(toklen + 1);

	memcpy(token, lex->token_start, toklen);
	token[toklen] = '\0';
	return token;
}