1 files changed, 8 insertions, 9 deletions
diff --git a/src/http/v3/ngx_http_v3.c b/src/http/v3/ngx_http_v3.c
index f7f79b9f4..e796da772 100644
--- a/src/http/v3/ngx_http_v3.c
+++ b/src/http/v3/ngx_http_v3.c
@@ -78,23 +78,22 @@ ngx_http_v3_encode_prefix_int(u_char *p, uint64_t value, ngx_uint_t prefix)
 
     value -= thresh;
 
-    for (n = 10; n > 1; n--) {
-        if (value >> (7 * (n - 1))) {
-            break;
+    if (p == NULL) {
+        for (n = 2; value >= 128; n++) {
+            value >>= 7;
         }
-    }
 
-    if (p == NULL) {
-        return n + 1;
+        return n;
     }
 
     *p++ |= thresh;
 
-    for ( /* void */ ; n > 1; n--) {
-        *p++ = 0x80 | (value >> 7 * (n - 1));
+    while (value >= 128) {
+        *p++ = 0x80 | value;
+        value >>= 7;
     }
 
-    *p++ = value & 0x7f;
+    *p++ = value;
 
     return (uintptr_t) p;
 }