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authorUlrich Drepper <drepper@redhat.com>2009-07-07 09:49:55 -0700
committerUlrich Drepper <drepper@redhat.com>2009-07-07 09:49:55 -0700
commiteba0994e75e622ad30c6dcdb53e5ddedd043f6d7 (patch)
tree861767828f803fa65ca2636ed631ba79f736962d /include
parenta38862a58910a5209c9ac3baae5797fbbedbeb1c (diff)
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Clean up code for hash table handling in ld.so.
Diffstat (limited to 'include')
-rw-r--r--include/inline-hashtab.h72
1 files changed, 3 insertions, 69 deletions
diff --git a/include/inline-hashtab.h b/include/inline-hashtab.h
index c359161..0f6719b 100644
--- a/include/inline-hashtab.h
+++ b/include/inline-hashtab.h
@@ -1,7 +1,5 @@
/* Fully-inline hash table, used mainly for managing TLS descriptors.
-
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2003, 2005, 2008, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Alexandre Oliva <aoliva@redhat.com>
@@ -30,69 +28,6 @@
extern void weak_function free (void *ptr);
-inline static unsigned long
-higher_prime_number (unsigned long n)
-{
- /* These are primes that are near, but slightly smaller than, a
- power of two. */
- static const uint32_t primes[] = {
- UINT32_C (7),
- UINT32_C (13),
- UINT32_C (31),
- UINT32_C (61),
- UINT32_C (127),
- UINT32_C (251),
- UINT32_C (509),
- UINT32_C (1021),
- UINT32_C (2039),
- UINT32_C (4093),
- UINT32_C (8191),
- UINT32_C (16381),
- UINT32_C (32749),
- UINT32_C (65521),
- UINT32_C (131071),
- UINT32_C (262139),
- UINT32_C (524287),
- UINT32_C (1048573),
- UINT32_C (2097143),
- UINT32_C (4194301),
- UINT32_C (8388593),
- UINT32_C (16777213),
- UINT32_C (33554393),
- UINT32_C (67108859),
- UINT32_C (134217689),
- UINT32_C (268435399),
- UINT32_C (536870909),
- UINT32_C (1073741789),
- UINT32_C (2147483647),
- /* 4294967291L */
- UINT32_C (2147483647) + UINT32_C (2147483644)
- };
-
- const uint32_t *low = &primes[0];
- const uint32_t *high = &primes[sizeof (primes) / sizeof (primes[0])];
-
- while (low != high)
- {
- const uint32_t *mid = low + (high - low) / 2;
- if (n > *mid)
- low = mid + 1;
- else
- high = mid;
- }
-
-#if 0
- /* If we've run out of primes, abort. */
- if (n > *low)
- {
- fprintf (stderr, "Cannot find prime bigger than %lu\n", n);
- abort ();
- }
-#endif
-
- return *low;
-}
-
struct hashtab
{
/* Table itself. */
@@ -203,12 +138,11 @@ htab_expand (struct hashtab *htab, int (*hash_fn) (void *))
/* Resize only when table after removal of unused elements is either
too full or too empty. */
if (htab->n_elements * 2 > htab->size)
- nsize = higher_prime_number (htab->n_elements * 2);
+ nsize = _dl_higher_prime_number (htab->n_elements * 2);
else
nsize = htab->size;
- nentries = malloc (sizeof (void *) * nsize);
- memset (nentries, 0, sizeof (void *) * nsize);
+ nentries = calloc (sizeof (void *), nsize);
if (nentries == NULL)
return 0;
htab->entries = nentries;