diff options
Diffstat (limited to 'src/internal/intparse.c')
| -rw-r--r-- | src/internal/intparse.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/internal/intparse.c b/src/internal/intparse.c index fd403b58..90aa8339 100644 --- a/src/internal/intparse.c +++ b/src/internal/intparse.c @@ -70,6 +70,8 @@ int __intparse(struct intparse *v, const void *buf, size_t n) for (; n && *s-'0'<10U && v->small<=SLIM; n--, s++) v->small = v->small * 10 + (*s-'0'); } else if ((b&-b) == b) { + /* Compute bitshift for power-of-two bases + * using a De Bruijn B(2,3) sequence. */ int bs = "\0\1\2\4\7\3\6\5"[(0x17*b)>>5&7]; for (; n && (d=digits[*s])<b && v->small<=SLIM; n--, s++) v->small = (v->small<<bs) + d; |