diff options
Diffstat (limited to 'src/libstddjb/bitarray_clearsetn.c')
| -rw-r--r-- | src/libstddjb/bitarray_clearsetn.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libstddjb/bitarray_clearsetn.c b/src/libstddjb/bitarray_clearsetn.c index 613a8a8..9198984 100644 --- a/src/libstddjb/bitarray_clearsetn.c +++ b/src/libstddjb/bitarray_clearsetn.c @@ -18,7 +18,10 @@ void bitarray_clearsetn (unsigned char *s, size_t a, size_t b, int h) if (h) s[a>>3] |= mask ; else s[a>>3] &= ~mask ; mask = h ? 0xff : 0x00 ; for (; i < b>>3 ; i++) s[i] = mask ; - mask = (1 << (b & 7)) - 1 ; - if (h) s[b>>3] |= mask ; else s[b>>3] &= ~mask ; + if (b & 7) + { + mask = (1 << (b & 7)) - 1 ; + if (h) s[b>>3] |= mask ; else s[b>>3] &= ~mask ; + } } } |