diff options
Diffstat (limited to 'misc/hsearch_r.c')
| -rw-r--r-- | misc/hsearch_r.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/misc/hsearch_r.c b/misc/hsearch_r.c index cb4d67466b..c855a41846 100644 --- a/misc/hsearch_r.c +++ b/misc/hsearch_r.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,1995-1997,2002,2005,2007 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995-1997,2002,2005,2007,2008 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1993. @@ -154,18 +155,11 @@ hsearch_r (item, action, retval, htab) } /* First hash function: simply take the modul but prevent zero. */ - hval %= htab->size; - if (hval == 0) - ++hval; - - /* The first index tried. */ - idx = hval; + idx = hval % htab->size + 1; if (htab->table[idx].used) { /* Further action might be required according to the action value. */ - unsigned hval2; - if (htab->table[idx].used == hval && strcmp (item.key, htab->table[idx].entry.key) == 0) { @@ -174,7 +168,8 @@ hsearch_r (item, action, retval, htab) } /* Second hash function, as suggested in [Knuth] */ - hval2 = 1 + hval % (htab->size - 2); + unsigned int hval2 = 1 + hval % (htab->size - 2); + unsigned int first_idx = idx; do { @@ -186,7 +181,7 @@ hsearch_r (item, action, retval, htab) idx -= hval2; /* If we visited all entries leave the loop unsuccessfully. */ - if (idx == hval) + if (idx == first_idx) break; /* If entry is found use it. */ |