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Diffstat (limited to 'security/nss/lib/dbm/src/hash.c')
-rw-r--r--security/nss/lib/dbm/src/hash.c71
1 files changed, 36 insertions, 35 deletions
diff --git a/security/nss/lib/dbm/src/hash.c b/security/nss/lib/dbm/src/hash.c
index 98b1c07c7..100bbad27 100644
--- a/security/nss/lib/dbm/src/hash.c
+++ b/security/nss/lib/dbm/src/hash.c
@@ -118,7 +118,7 @@ int hash_accesses, hash_collisions, hash_expansions, hash_overflows;
* This closes the file, flushing buffers as appropriate.
*/
static void
-__remove_database(DB *dbp)
+dbm_remove_database(DB *dbp)
{
HTAB *hashp = (HTAB *)dbp->internal;
@@ -134,7 +134,7 @@ __remove_database(DB *dbp)
/* OPEN/CLOSE */
extern DB *
-__hash_open(const char *file, int flags, int mode, const HASHINFO *info, int dflags)
+dbm_hash_open(const char *file, int flags, int mode, const HASHINFO *info, int dflags)
{
HTAB *hashp = NULL;
struct stat statbuf;
@@ -199,7 +199,7 @@ __hash_open(const char *file, int flags, int mode, const HASHINFO *info, int dfl
if (info && info->hash)
hashp->hash = info->hash;
else
- hashp->hash = __default_hash;
+ hashp->hash = dbm_default_hash;
hdrsize = read(hashp->fp, (char *)&hashp->hdr, sizeof(HASHHDR));
if (hdrsize == -1)
@@ -243,9 +243,9 @@ __hash_open(const char *file, int flags, int mode, const HASHINFO *info, int dfl
/* Initialize Buffer Manager */
if (info && info->cachesize)
- __buf_init(hashp, (int32)info->cachesize);
+ dbm_buf_init(hashp, (int32)info->cachesize);
else
- __buf_init(hashp, DEF_BUFSIZE);
+ dbm_buf_init(hashp, DEF_BUFSIZE);
hashp->new_file = new_table;
#ifdef macintosh
@@ -331,7 +331,7 @@ init_hash(HTAB *hashp, const char *file, HASHINFO *info)
hashp->SSHIFT = DEF_SEGSIZE_SHIFT;
hashp->DSIZE = DEF_DIRSIZE;
hashp->FFACTOR = DEF_FFACTOR;
- hashp->hash = __default_hash;
+ hashp->hash = dbm_default_hash;
memset(hashp->SPARES, 0, sizeof(hashp->SPARES));
memset(hashp->BITMAPS, 0, sizeof(hashp->BITMAPS));
@@ -353,13 +353,13 @@ init_hash(HTAB *hashp, const char *file, HASHINFO *info)
if (hashp->BSIZE > MAX_BSIZE)
hashp->BSIZE = MAX_BSIZE;
#endif
- hashp->BSHIFT = __log2((uint32)hashp->BSIZE);
+ hashp->BSHIFT = dbm_log2((uint32)hashp->BSIZE);
}
if (info) {
if (info->bsize) {
/* Round pagesize up to power of 2 */
- hashp->BSHIFT = __log2(info->bsize);
+ hashp->BSHIFT = dbm_log2(info->bsize);
hashp->BSIZE = 1 << hashp->BSHIFT;
if (hashp->BSIZE > MAX_BSIZE) {
errno = EINVAL;
@@ -406,7 +406,7 @@ init_htab(HTAB *hashp, int nelem)
*/
nelem = (nelem - 1) / hashp->FFACTOR + 1;
- l2 = __log2((uint32)PR_MAX(nelem, 2));
+ l2 = dbm_log2((uint32)PR_MAX(nelem, 2));
nbuckets = 1 << l2;
hashp->SPARES[l2] = l2 + 1;
@@ -415,7 +415,7 @@ init_htab(HTAB *hashp, int nelem)
hashp->LAST_FREED = 2;
/* First bitmap page is at: splitpoint l2 page offset 1 */
- if (__ibitmap(hashp, (int)OADDR_OF(l2, 1), l2 + 1, 0))
+ if (dbm_ibitmap(hashp, (int)OADDR_OF(l2, 1), l2 + 1, 0))
return (-1);
hashp->MAX_BUCKET = hashp->LOW_MASK = nbuckets - 1;
@@ -425,7 +425,7 @@ init_htab(HTAB *hashp, int nelem)
1;
nsegs = (nbuckets - 1) / hashp->SGSIZE + 1;
- nsegs = 1 << __log2((uint32)nsegs);
+ nsegs = 1 << dbm_log2((uint32)nsegs);
if (nsegs > hashp->DSIZE)
hashp->DSIZE = nsegs;
@@ -463,7 +463,7 @@ hdestroy(HTAB *hashp)
* Call on buffer manager to free buffers, and if required,
* write them to disk.
*/
- if (__buf_free(hashp, 1, hashp->save_file))
+ if (dbm_buf_free(hashp, 1, hashp->save_file))
save_errno = errno;
if (hashp->dir) {
free(*hashp->dir); /* Free initial segments */
@@ -585,7 +585,7 @@ hash_sync(const DB *dbp, uint flags)
if (!hashp->save_file)
return (0);
- if (__buf_free(hashp, 0, 1) || flush_meta(hashp))
+ if (dbm_buf_free(hashp, 0, 1) || flush_meta(hashp))
return (DBM_ERROR);
#if defined(_WIN32) || defined(_WINDOWS)
if (hashp->updateEOF && hashp->filename && !hashp->is_temp) {
@@ -635,8 +635,8 @@ flush_meta(HTAB *hashp)
}
for (i = 0; i < NCACHED; i++)
if (hashp->mapp[i])
- if (__put_page(hashp, (char *)hashp->mapp[i],
- hashp->BITMAPS[i], 0, 1))
+ if (dbm_put_page(hashp, (char *)hashp->mapp[i],
+ hashp->BITMAPS[i], 0, 1))
return (-1);
return (0);
}
@@ -675,7 +675,7 @@ hash_get(
#if defined(unix) && defined(DEBUG)
printf("\n\nDBM Database has been corrupted, tell Lou...\n\n");
#endif
- __remove_database((DB *)dbp);
+ dbm_remove_database((DB *)dbp);
}
return (rv);
@@ -711,7 +711,7 @@ hash_put(
#if defined(unix) && defined(DEBUG)
printf("\n\nDBM Database has been corrupted, tell Lou...\n\n");
#endif
- __remove_database((DB *)dbp);
+ dbm_remove_database((DB *)dbp);
}
return (rv);
@@ -744,7 +744,7 @@ hash_delete(
#if defined(unix) && defined(DEBUG)
printf("\n\nDBM Database has been corrupted, tell Lou...\n\n");
#endif
- __remove_database((DB *)dbp);
+ dbm_remove_database((DB *)dbp);
}
return (rv);
@@ -777,7 +777,7 @@ hash_access(
off = hashp->BSIZE;
size = key->size;
kp = (char *)key->data;
- rbufp = __get_buf(hashp, __call_hash(hashp, kp, size), NULL, 0);
+ rbufp = dbm_get_buf(hashp, dbm_call_hash(hashp, kp, size), NULL, 0);
if (!rbufp)
return (DATABASE_CORRUPTED_ERROR);
save_bufp = rbufp;
@@ -805,7 +805,7 @@ hash_access(
last_overflow_page_no = *bp;
- rbufp = __get_buf(hashp, *bp, rbufp, 0);
+ rbufp = dbm_get_buf(hashp, *bp, rbufp, 0);
if (!rbufp) {
save_bufp->flags &= ~BUF_PIN;
return (DBM_ERROR);
@@ -822,17 +822,17 @@ hash_access(
off = hashp->BSIZE;
} else if (bp[1] < REAL_KEY) {
if ((ndx =
- __find_bigpair(hashp, rbufp, ndx, kp, (int)size)) > 0)
+ dbm_find_bigpair(hashp, rbufp, ndx, kp, (int)size)) > 0)
goto found;
if (ndx == -2) {
bufp = rbufp;
if (!(pageno =
- __find_last_page(hashp, &bufp))) {
+ dbm_find_last_page(hashp, &bufp))) {
ndx = 0;
rbufp = bufp;
break; /* FOR */
}
- rbufp = __get_buf(hashp, pageno, bufp, 0);
+ rbufp = dbm_get_buf(hashp, pageno, bufp, 0);
if (!rbufp) {
save_bufp->flags &= ~BUF_PIN;
return (DBM_ERROR);
@@ -853,7 +853,7 @@ hash_access(
switch (action) {
case HASH_PUT:
case HASH_PUTNEW:
- if (__addel(hashp, rbufp, key, val)) {
+ if (dbm_addel(hashp, rbufp, key, val)) {
save_bufp->flags &= ~BUF_PIN;
return (DBM_ERROR);
} else {
@@ -875,7 +875,7 @@ found:
case HASH_GET:
bp = (uint16 *)rbufp->page;
if (bp[ndx + 1] < REAL_KEY) {
- if (__big_return(hashp, rbufp, ndx, val, 0))
+ if (dbm_big_return(hashp, rbufp, ndx, val, 0))
return (DBM_ERROR);
} else {
val->data = (uint8 *)rbufp->page + (int)bp[ndx + 1];
@@ -883,14 +883,14 @@ found:
}
break;
case HASH_PUT:
- if ((__delpair(hashp, rbufp, ndx)) ||
- (__addel(hashp, rbufp, key, val))) {
+ if ((dbm_delpair(hashp, rbufp, ndx)) ||
+ (dbm_addel(hashp, rbufp, key, val))) {
save_bufp->flags &= ~BUF_PIN;
return (DBM_ERROR);
}
break;
case HASH_DELETE:
- if (__delpair(hashp, rbufp, ndx))
+ if (dbm_delpair(hashp, rbufp, ndx))
return (DBM_ERROR);
break;
default:
@@ -933,7 +933,7 @@ hash_seq(
for (bucket = hashp->cbucket;
bucket <= (uint32)hashp->MAX_BUCKET;
bucket++, hashp->cndx = 1) {
- bufp = __get_buf(hashp, bucket, NULL, 0);
+ bufp = dbm_get_buf(hashp, bucket, NULL, 0);
if (!bufp)
return (DBM_ERROR);
hashp->cpage = bufp;
@@ -955,7 +955,7 @@ hash_seq(
#endif
while (bp[hashp->cndx + 1] == OVFLPAGE) {
bufp = hashp->cpage =
- __get_buf(hashp, bp[hashp->cndx], bufp, 0);
+ dbm_get_buf(hashp, bp[hashp->cndx], bufp, 0);
if (!bufp)
return (DBM_ERROR);
bp = (uint16 *)(bufp->page);
@@ -968,7 +968,7 @@ hash_seq(
}
ndx = hashp->cndx;
if (bp[ndx + 1] < REAL_KEY) {
- if (__big_keydata(hashp, bufp, key, data, 1))
+ if (dbm_big_keydata(hashp, bufp, key, data, 1))
return (DBM_ERROR);
} else {
key->data = (uint8 *)hashp->cpage->page + bp[ndx];
@@ -994,7 +994,7 @@ hash_seq(
* -1 ==> Error
*/
extern int
-__expand_table(HTAB *hashp)
+dbm_expand_table(HTAB *hashp)
{
uint32 old_bucket, new_bucket;
int new_segnum, spare_ndx;
@@ -1029,7 +1029,7 @@ __expand_table(HTAB *hashp)
* * increases), we need to copy the current contents of the spare
* split bucket to the next bucket.
*/
- spare_ndx = __log2((uint32)(hashp->MAX_BUCKET + 1));
+ spare_ndx = dbm_log2((uint32)(hashp->MAX_BUCKET + 1));
if (spare_ndx > hashp->OVFL_POINT) {
hashp->SPARES[spare_ndx] = hashp->SPARES[hashp->OVFL_POINT];
hashp->OVFL_POINT = spare_ndx;
@@ -1041,7 +1041,7 @@ __expand_table(HTAB *hashp)
hashp->HIGH_MASK = new_bucket | hashp->LOW_MASK;
}
/* Relocate records to the new bucket */
- return (__split_page(hashp, old_bucket, new_bucket));
+ return (dbm_split_page(hashp, old_bucket, new_bucket));
}
/*
@@ -1065,7 +1065,7 @@ hash_realloc(
}
extern uint32
-__call_hash(HTAB *hashp, char *k, size_t len)
+dbm_call_hash(HTAB *hashp, char *k, size_t len)
{
uint32 n, bucket;
@@ -1168,4 +1168,5 @@ swap_header(HTAB *hashp)
M_16_SWAP(hdrp->bitmaps[i]);
}
}
+
#endif
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