tar: pacify GCC 5.1 -Wformat-signedness

[chaz/tar] / src / incremen.c

diff --git a/src/incremen.c b/src/incremen.c
index b1b70ba41764b04049853d12834cf520d12f0254..e549bbd312a43529ead17d1e0d28a86223f479df 100644 (file)
--- a/src/incremen.c
+++ b/src/incremen.c
@@ -735,7 +735,7 @@ scan_directory (struct tar_stat_info *st)
     savedir_error (dir);
 
   info_attach_exclist (st);
-  
+
   tmp = xstrdup (dir);
   zap_slashes (tmp);
 
@@ -1155,11 +1155,14 @@ read_num (FILE *fp, char const *fieldname,
     }
 
   if (c)
-    FATAL_ERROR ((0, 0,
-                 _("%s: byte %s: %s %s followed by invalid byte 0x%02x"),
-                 quotearg_colon (listed_incremental_option),
-                 offtostr (ftello (fp), offbuf),
-                 fieldname, buf, c));
+    {
+      unsigned uc = c;
+      FATAL_ERROR ((0, 0,
+                   _("%s: byte %s: %s %s followed by invalid byte 0x%02x"),
+                   quotearg_colon (listed_incremental_option),
+                   offtostr (ftello (fp), offbuf),
+                   fieldname, buf, uc));
+    }
 
   *pval = strtosysint (buf, NULL, min_val, max_val);
   conversion_errno = errno;
@@ -1541,9 +1544,10 @@ dumpdir_ok (char *dumpdir)
     {
       if (expect && *p != expect)
        {
+         unsigned char uc = *p;
          ERROR ((0, 0,
                  _("Malformed dumpdir: expected '%c' but found %#3o"),
-                 expect, *p));
+                 expect, uc));
          return false;
        }
       switch (*p)