From: Marcus Meissner <meissner@suse.de>
Date: Tue, 11 Apr 2023 14:05:36 +0000 (+0200)
Subject: fixed the sizes passed into snprintf
X-Git-Tag: v0.96~27^2^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F468%2Fhead;p=thirdparty%2Fmtr.git

fixed the sizes passed into snprintf
---

diff --git a/ui/report.c b/ui/report.c
index 9301480..61f2c74 100644
--- a/ui/report.c
+++ b/ui/report.c
@@ -140,7 +140,7 @@ void report_close(
             continue;
 
         snprintf(fmt, sizeof(fmt), "%%%ds", data_fields[j].length);
-        snprintf(buf + len, sizeof(buf), fmt, data_fields[j].title);
+        snprintf(buf + len, sizeof(buf) - len, fmt, data_fields[j].title);
         len += data_fields[j].length;
     }
     printf("%s\n", buf);
@@ -172,10 +172,10 @@ void report_close(
 
             /* 1000.0 is a temporary hack for stats usec to ms, impacted net_loss. */
             if (strchr(data_fields[j].format, 'f')) {
-                snprintf(buf + len, sizeof(buf), data_fields[j].format,
+                snprintf(buf + len, sizeof(buf) - len, data_fields[j].format,
                          data_fields[j].net_xxx(at) / 1000.0);
             } else {
-                snprintf(buf + len, sizeof(buf), data_fields[j].format,
+                snprintf(buf + len, sizeof(buf) - len, data_fields[j].format,
                          data_fields[j].net_xxx(at));
             }
             len += data_fields[j].length;