src/rrd_xport.c: fix Coverity CID#13640 Array compared against 0

        CWE-398 / https://cwe.mitre.org/data/definitions/398.html

        (im->gdes[i].legend == 0) doesn't make sense;
        im->gdes[i].legend declared as
          char      legend[FMT_LEG_LEN + 5];  /* legend */

        NOTE: fix to be checked to ensure it conserves the intended functionality.

diff --git a/src/rrd_xport.c b/src/rrd_xport.c
index 5573518611298bf2c43561e84004314503435250..59c469723511052cc8bde56bc54e0198c2e75026 100644 (file)
--- a/src/rrd_xport.c
+++ b/src/rrd_xport.c
@@ -322,7 +322,7 @@ int rrd_xport_fn(
                 return (-1);
             }
 
-            if (im->gdes[i].legend == 0)
+            if (im->gdes[i].legend[0] == '\0')
                 legend_list[j][0] = '\0';
             ++j;
        }