diff options
| -rw-r--r-- | util/cbfstool/flashmap/fmap.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/util/cbfstool/flashmap/fmap.c b/util/cbfstool/flashmap/fmap.c index f803d6c0da..24181d0b43 100644 --- a/util/cbfstool/flashmap/fmap.c +++ b/util/cbfstool/flashmap/fmap.c @@ -89,12 +89,12 @@ static int is_valid_fmap(const struct fmap *fmap) while (i < FMAP_STRLEN) { if (fmap->name[i] == 0) break; - if (!isalnum(fmap->name[i])) + if (!isgraph(fmap->name[i])) return 0; if (i == FMAP_STRLEN - 1) { - /* name is specified to be null terminated. We didn't - * break in the 0 test, we didn't fail on the alnum - * test, so we're seeing FMAP_STRLEN alphanumerical + /* name is specified to be null terminated single-word string + * without spaces. We did not break in the 0 test, we know it + * is a printable spaceless string but we're seeing FMAP_STRLEN * symbols, which is one too many. */ return 0; |