diff options
Diffstat (limited to 'locale/hashval.h')
-rw-r--r-- | locale/hashval.h | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/locale/hashval.h b/locale/hashval.h index f846cdfb27..52ef8b5da9 100644 --- a/locale/hashval.h +++ b/locale/hashval.h @@ -18,20 +18,16 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#ifndef LONGBITS -# include <limits.h> -# define LONGBITS (sizeof (long int) * CHAR_BIT) +#ifndef hashval_t +# define hashval_t unsigned long int #endif +#include <limits.h> /* For CHAR_BIT. */ -unsigned long int compute_hashval (const void *key, size_t keylen); - -unsigned long int -compute_hashval (key, keylen) - const void *key; - size_t keylen; +hashval_t +compute_hashval (const void *key, size_t keylen) { size_t cnt; - unsigned long int hval; + hashval_t hval; /* Compute the hash value for the given string. The algorithm is taken from [Aho,Sethi,Ullman], modified to reduce the number of @@ -41,8 +37,8 @@ compute_hashval (key, keylen) hval = keylen; while (cnt < keylen) { - hval = (hval << 9) | (hval >> (LONGBITS - 9)); - hval += (unsigned long int) *(((char *) key) + cnt++); + hval = (hval << 9) | (hval >> (sizeof hval * CHAR_BIT - 9)); + hval += (hashval_t) *(((char *) key) + cnt++); } - return hval != 0 ? hval : ~((unsigned long int) 0); + return hval != 0 ? hval : ~((hashval_t) 0); } |