Function strbuf_reserve

src/strutil.c:27–45

strbuf_reserve() ensure strbuf->str has storage for len characters */

/* strbuf_reserve() ensure strbuf->str has storage for len characters */
void
strbuf_reserve(strbuf_t *strbuf, int len)
{
    if (strbuf->str == NULL) {
        strbuf->str = strbuf->buf;
        strbuf->str[0] = '\0';
        strbuf->len = (int) sizeof strbuf->buf;
    }

    if (len > strbuf->len) {
        char *oldbuf = strbuf->str;

        strbuf->len = len + (int) sizeof strbuf->buf;
        strbuf->str = (char *) alloc(strbuf->len);
        Strcpy(strbuf->str, oldbuf);
        if (oldbuf != strbuf->buf)
            free((genericptr_t) oldbuf);
    }
}

/* strbuf_empty() frees allocated memory and set strbuf to initial state */
void