static void mod_deflate_note_ratio(server *srv, connection *con, handler_ctx *hctx) {
/* store compression ratio in con->environment
* for possible logging by mod_accesslog
* (late in response handling, so not seen by most other modules) */
/*(should be called only at end of successful response compression)*/
char ratio[LI_ITOSTRING_LENGTH];
if (0 == hctx->bytes_in) return;
li_itostrn(ratio, sizeof(ratio), hctx->bytes_out * 100 / hctx->bytes_in);
array_set_key_value(con->environment,
CONST_STR_LEN("ratio"),
ratio, strlen(ratio));
UNUSED(srv);
}
/* buffer must be able to hold "999.9K"
* conversion is simple but not perfect
*/
static int http_list_directory_sizefmt(char *buf, size_t bufsz, off_t size) {
const char unit[] = " KMGTPE"; /* Kilo, Mega, Giga, Tera, Peta, Exa */
const char *u = unit; /* u will always increment at least once */
int remain;
size_t buflen;
if (size < 100)
size += 99;
if (size < 100)
size = 0;
while (1) {
remain = (int) size & 1023;
size >>= 10;
u++;
if ((size & (~0 ^ 1023)) == 0)
break;
}
remain /= 100;
if (remain > 9)
remain = 9;
if (size > 999) {
size = 0;
remain = 9;
u++;
}
li_itostrn(buf, bufsz, size);
buflen = strlen(buf);
if (buflen + 3 >= bufsz) return buflen;
buf[buflen+0] = '.';
buf[buflen+1] = remain + '0';
buf[buflen+2] = *u;
buf[buflen+3] = '\0';
return buflen + 3;
}
void li_itostr(char *buf, intmax_t val) {
li_itostrn(buf, LI_ITOSTRING_LENGTH, val);
}