From: Daniel Stenberg <daniel@haxx.se>
Date: Sat, 8 May 2021 11:10:06 +0000 (+0200)
Subject: trspeed: use long double for transfer speed calculation
X-Git-Tag: curl-7_77_0~66
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8a75224a6986a5742215e0e73e1ac0d3419eff43;p=thirdparty%2Fcurl.git

trspeed: use long double for transfer speed calculation
---

diff --git a/lib/progress.c b/lib/progress.c
index 31808aa8c6..dffaa074e4 100644
--- a/lib/progress.c
+++ b/lib/progress.c
@@ -369,26 +369,13 @@ void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size)
   }
 }
 
-/* returns the average speed */
-static curl_off_t trspeed(curl_off_t size, curl_off_t us)
+/* returns the average speed in bytes / second */
+static curl_off_t trspeed(curl_off_t size, /* number of bytes */
+                          curl_off_t us)   /* microseconds */
 {
-  curl_off_t sec;
-  if(size < CURL_OFF_T_MAX/1000000) {
-    if(us < 1)
-      return size * 1000000;
-    return (size * 1000000) / us;
-  }
-  else if(size < CURL_OFF_T_MAX/1000) {
-    curl_off_t ms = us/1000;
-    if(ms < 1)
-      return size * 1000;
-    return (size * 1000) / ms;
-  }
-  sec = us / 1000000;
-  if(sec < 1)
-    return size;
-
-  return size / sec;
+  if(us < 1)
+    return size * 1000000;
+  return (curl_off_t)((long double)size/us * 1000000);
 }
 
 /* returns TRUE if it's time to show the progress meter */