This was accidently not svn added when the compiler was updated.

[coreboot.git] / util / nvramtool / nvramtool.c

diff --git a/util/nvramtool/nvramtool.c b/util/nvramtool/nvramtool.c
index f26ca97e8ac6564e8328492164cc3941a3e4a961..89ddf31d71a45fc3685b26565ddc132ce5fd7994 100644 (file)
--- a/util/nvramtool/nvramtool.c
+++ b/util/nvramtool/nvramtool.c
@@ -672,6 +672,7 @@ static int list_cmos_entry(const cmos_entry_t * e, int show_name)
 {
        const cmos_enum_t *p;
        unsigned long long value;
+       char *w;
 
        /* sanity check CMOS entry */
        switch (prepare_cmos_read(e)) {
@@ -741,11 +742,26 @@ static int list_cmos_entry(const cmos_entry_t * e, int show_name)
                break;
 
        case CMOS_ENTRY_STRING:
-               if (show_name)
-                       printf("%s = %s\n", e->name,
-                              (char *)(unsigned long)value);
-               else
-                       printf("%s\n", (char *)(unsigned long)value);
+               w = (char *)(unsigned long)value;
+               while (*w) {
+                       if(!isprint(*w)) {
+                               if (show_name)
+                                       printf("# Bad value -> %s\n", e->name);
+                               else
+                                       printf("Bad value\n");
+                               break;
+                       }
+                       w++;
+               }
+
+               if (!*w) {
+
+                       if (show_name)
+                               printf("%s = %s\n", e->name,
+                                      (char *)(unsigned long)value);
+                       else
+                               printf("%s\n", (char *)(unsigned long)value);
+               }
 
                free((void *)(unsigned long)value);