Function replaceStringInfoString

src/common/stringinfo.c:364–379

* Replace all occurrences of a string in a StringInfo with a different string. */

 * Replace all occurrences of a string in a StringInfo with a different string.
 */
void
replaceStringInfoString(StringInfo str, char *replace, char *replacement)
{
	char	*ptr;

	while ((ptr = strstr(str->data, replace)) != NULL)
	{
		char	   *dup = pstrdup(str->data);

		resetStringInfo(str);
		appendBinaryStringInfo(str, dup, ptr - str->data);
		appendStringInfoString(str, replacement);
		appendStringInfoString(str, dup + (ptr - str->data) + strlen(replace));		
		pfree(dup);
	}
}