Function kstrcatf

src/library/common/kgen_basic.c:412–425

}

void
kstrcatf(Kstring *kstr, const char *fmt,...)
{
    va_list ap;
    int len, maxlen;

    va_start(ap, fmt);
    len = (int)strlen(kstr->buf);
    maxlen = sizeof(kstr->buf) - len;
    len = vsnprintf(kstr->buf + len, maxlen, fmt, ap);
    va_end(ap);

    assert(len < maxlen);
}