fix ssl_cache_usage calculation

sorc1 · sorc1 · commit 775c54a6a512 · 2023-01-12T15:03:21.000+03:00
Do double division instead of integer one.
diff --git a/src/ngx_http_graphite_module.c b/src/ngx_http_graphite_module.c
@@ -3361,7 +3361,7 @@ ngx_http_graphite_source_ssl_cache_usage(const ngx_http_graphite_source_t *sourc
             ngx_uint_t free_pages = shpool->pfree;
 
             if (all_pages > 0)
-                usage = (100 * (all_pages - free_pages)) / all_pages;
+                usage = ((double)all_pages - free_pages) / all_pages * 100;
         }
     }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -3361,7 +3361,7 @@ ngx_http_graphite_source_ssl_cache_usage(const ngx_http_graphite_source_t *sourc`
`3361`	`3361`	`ngx_uint_t free_pages = shpool->pfree;`
`3362`	`3362`
`3363`	`3363`	`if (all_pages > 0)`
`3364`		`- usage = (100 * (all_pages - free_pages)) / all_pages;`
	`3364`	`+ usage = ((double)all_pages - free_pages) / all_pages * 100;`
`3365`	`3365`	`}`
`3366`	`3366`	`}`
`3367`	`3367`	`#endif`