diff options
Diffstat (limited to 'util/nvmutil')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 57b223e4..59d2facd 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -947,11 +947,17 @@ xstrxcmp(const char *a, const char *b, size_t maxlen) err(EINVAL, "Empty string in xstrxcmp"); for (i = 0; i < maxlen; i++) { - if (a[i] != b[i]) - return (u8)a[i] - (u8)b[i]; + u8 ac = (u8)a[i]; + u8 bc = (u8)b[i]; - if (a[i] == '\0') - return 0; + if (ac == '\0' || bc == '\0') { + if (ac == bc) + return 0; + return ac - bc; + } + + if (ac != bc) + return ac - bc; } /* |