vsh: Turn _vshControl::progname into a const string

The aim of the progname member of the _vshControl struct is to
point to argv[0] which is then used in vshOutputLogFile() to
create a prefix for a log message. But the member is never
modified (nor it should be) and thus can be a const char *.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>

diff --git a/tools/vsh.h b/tools/vsh.h
index 5970addfb6ef26c7a8f4055f36c774932b25f16f..8b87c00ff4bad9faf4017e731345f1a69c57f9fc 100644 (file)
--- a/tools/vsh.h
+++ b/tools/vsh.h
@@ -194,7 +194,7 @@ struct _vshControl {
                                  * to program name */
     const char *env_prefix;     /* hardcoded environment variable prefix */
     char *connname;             /* connection name */
-    char *progname;             /* program name */
+    const char *progname;       /* program name */
     vshCmd *cmd;                /* the current command */
     char *cmdstr;               /* string with command */
     bool imode;                 /* interactive mode? */