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https://github.com/samba-team/samba.git
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3a7458f947
warnings. (Adds a lot of const). Andrew Bartlett
375 lines
10 KiB
C
375 lines
10 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* RPC Pipe client / server routines
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* Copyright (C) Gerald Carter 2002.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* Implementation of registry frontend view functions. */
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#include "includes.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_RPC_SRV
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/***********************************************************************
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Init the talloc context held by a REGSUBKEY_CTR structure
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**********************************************************************/
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void regsubkey_ctr_init( REGSUBKEY_CTR *ctr )
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{
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if ( !ctr->ctx )
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ctr->ctx = talloc_init("regsubkey_ctr_init for ctr %p", ctr);
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}
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/***********************************************************************
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Add a new key to the array
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**********************************************************************/
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int regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, const char *keyname )
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{
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uint32 len;
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char **pp;
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if ( keyname )
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{
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len = strlen( keyname );
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/* allocate a space for the char* in the array */
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if ( ctr->subkeys == 0 )
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ctr->subkeys = talloc( ctr->ctx, sizeof(char*) );
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else {
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pp = talloc_realloc( ctr->ctx, ctr->subkeys, sizeof(char*)*(ctr->num_subkeys+1) );
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if ( pp )
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ctr->subkeys = pp;
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}
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/* allocate the string and save it in the array */
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ctr->subkeys[ctr->num_subkeys] = talloc( ctr->ctx, len+1 );
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strncpy( ctr->subkeys[ctr->num_subkeys], keyname, len+1 );
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ctr->num_subkeys++;
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}
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return ctr->num_subkeys;
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}
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/***********************************************************************
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How many keys does the container hold ?
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**********************************************************************/
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int regsubkey_ctr_numkeys( REGSUBKEY_CTR *ctr )
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{
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return ctr->num_subkeys;
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}
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/***********************************************************************
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Retreive a specific key string
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**********************************************************************/
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char* regsubkey_ctr_specific_key( REGSUBKEY_CTR *ctr, uint32 key_index )
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{
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if ( ! (key_index < ctr->num_subkeys) )
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return NULL;
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return ctr->subkeys[key_index];
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}
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/***********************************************************************
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free memory held by a REGSUBKEY_CTR structure
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**********************************************************************/
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void regsubkey_ctr_destroy( REGSUBKEY_CTR *ctr )
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{
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if ( ctr ) {
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talloc_destroy( ctr->ctx );
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ZERO_STRUCTP( ctr );
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}
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}
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/*
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* Utility functions for REGVAL_CTR
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*/
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/***********************************************************************
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Init the talloc context held by a REGSUBKEY_CTR structure
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**********************************************************************/
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void regval_ctr_init( REGVAL_CTR *ctr )
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{
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if ( !ctr->ctx )
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ctr->ctx = talloc_init("regval_ctr_init for ctr %p", ctr);
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}
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/***********************************************************************
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How many keys does the container hold ?
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**********************************************************************/
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int regval_ctr_numvals( REGVAL_CTR *ctr )
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{
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return ctr->num_values;
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}
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/***********************************************************************
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allocate memory for and duplicate a REGISTRY_VALUE.
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This is malloc'd memory so the caller should free it when done
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**********************************************************************/
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REGISTRY_VALUE* dup_registry_value( REGISTRY_VALUE *val )
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{
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REGISTRY_VALUE *copy = NULL;
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if ( !val )
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return NULL;
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if ( !(copy = malloc( sizeof(REGISTRY_VALUE) )) ) {
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DEBUG(0,("dup_registry_value: malloc() failed!\n"));
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return NULL;
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}
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/* copy all the non-pointer initial data */
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memcpy( copy, val, sizeof(REGISTRY_VALUE) );
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if ( val->data_p )
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{
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if ( !(copy->data_p = memdup( val->data_p, val->size )) ) {
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DEBUG(0,("dup_registry_value: memdup() failed for [%d] bytes!\n",
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val->size));
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SAFE_FREE( copy );
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}
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}
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return copy;
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}
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/**********************************************************************
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free the memory allocated to a REGISTRY_VALUE
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*********************************************************************/
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void free_registry_value( REGISTRY_VALUE *val )
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{
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if ( !val )
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return;
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SAFE_FREE( val->data_p );
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SAFE_FREE( val );
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return;
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}
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/**********************************************************************
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*********************************************************************/
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uint8* regval_data_p( REGISTRY_VALUE *val )
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{
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return val->data_p;
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}
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/**********************************************************************
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*********************************************************************/
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int regval_size( REGISTRY_VALUE *val )
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{
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return val->size;
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}
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/**********************************************************************
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*********************************************************************/
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char* regval_name( REGISTRY_VALUE *val )
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{
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return val->valuename;
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}
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/**********************************************************************
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*********************************************************************/
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uint32 regval_type( REGISTRY_VALUE *val )
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{
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return val->type;
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}
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/***********************************************************************
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Retreive a pointer to a specific value. Caller shoud dup the structure
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since this memory may go away with a regval_ctr_destroy()
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**********************************************************************/
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REGISTRY_VALUE* regval_ctr_specific_value( REGVAL_CTR *ctr, uint32 idx )
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{
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if ( !(idx < ctr->num_values) )
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return NULL;
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return ctr->values[idx];
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}
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/***********************************************************************
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Retrive the TALLOC_CTX associated with a REGISTRY_VALUE
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**********************************************************************/
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TALLOC_CTX* regval_ctr_getctx( REGVAL_CTR *val )
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{
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if ( !val )
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return NULL;
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return val->ctx;
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}
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/***********************************************************************
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Add a new registry value to the array
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**********************************************************************/
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int regval_ctr_addvalue( REGVAL_CTR *ctr, const char *name, uint16 type,
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const char *data_p, size_t size )
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{
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REGISTRY_VALUE **ppreg;
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if ( name )
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{
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/* allocate a slot in the array of pointers */
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if ( ctr->num_values == 0 )
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ctr->values = talloc( ctr->ctx, sizeof(REGISTRY_VALUE*) );
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else {
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ppreg = talloc_realloc( ctr->ctx, ctr->values, sizeof(REGISTRY_VALUE*)*(ctr->num_values+1) );
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if ( ppreg )
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ctr->values = ppreg;
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}
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/* allocate a new value and store the pointer in the arrya */
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ctr->values[ctr->num_values] = talloc( ctr->ctx, sizeof(REGISTRY_VALUE) );
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/* init the value */
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fstrcpy( ctr->values[ctr->num_values]->valuename, name );
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ctr->values[ctr->num_values]->type = type;
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ctr->values[ctr->num_values]->data_p = talloc_memdup( ctr->ctx, data_p, size );
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ctr->values[ctr->num_values]->size = size;
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ctr->num_values++;
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}
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return ctr->num_values;
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}
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/***********************************************************************
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Add a new registry value to the array
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**********************************************************************/
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int regval_ctr_copyvalue( REGVAL_CTR *ctr, REGISTRY_VALUE *val )
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{
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REGISTRY_VALUE **ppreg;
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if ( val )
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{
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/* allocate a slot in the array of pointers */
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if ( ctr->num_values == 0 )
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ctr->values = talloc( ctr->ctx, sizeof(REGISTRY_VALUE*) );
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else {
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ppreg = talloc_realloc( ctr->ctx, ctr->values, sizeof(REGISTRY_VALUE*)*(ctr->num_values+1) );
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if ( ppreg )
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ctr->values = ppreg;
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}
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/* allocate a new value and store the pointer in the arrya */
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ctr->values[ctr->num_values] = talloc( ctr->ctx, sizeof(REGISTRY_VALUE) );
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/* init the value */
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fstrcpy( ctr->values[ctr->num_values]->valuename, val->valuename );
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ctr->values[ctr->num_values]->type = val->type;
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ctr->values[ctr->num_values]->data_p = talloc_memdup( ctr->ctx, val->data_p, val->size );
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ctr->values[ctr->num_values]->size = val->size;
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ctr->num_values++;
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}
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return ctr->num_values;
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}
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/***********************************************************************
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Delete a single value from the registry container.
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No need to free memory since it is talloc'd.
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**********************************************************************/
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int regval_ctr_delvalue( REGVAL_CTR *ctr, const char *name )
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{
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int i;
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/* search for the value */
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if (!(ctr->num_values))
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return 0;
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for ( i=0; i<ctr->num_values; i++ ) {
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if ( strcmp( ctr->values[i]->valuename, name ) == 0)
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break;
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}
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/* just return if we don't find it */
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if ( i == ctr->num_values )
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return ctr->num_values;
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/* just shift everything down one */
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for ( /* use previous i */; i<(ctr->num_values-1); i++ )
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memcpy( ctr->values[i], ctr->values[i+1], sizeof(REGISTRY_VALUE) );
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/* paranoia */
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ZERO_STRUCTP( ctr->values[i] );
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ctr->num_values--;
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return ctr->num_values;
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}
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/***********************************************************************
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Delete a single value from the registry container.
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No need to free memory since it is talloc'd.
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**********************************************************************/
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REGISTRY_VALUE* regval_ctr_getvalue( REGVAL_CTR *ctr, const char *name )
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{
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int i;
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/* search for the value */
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for ( i=0; i<ctr->num_values; i++ ) {
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if ( strequal( ctr->values[i]->valuename, name ) )
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return ctr->values[i];
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}
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return NULL;
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}
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/***********************************************************************
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free memory held by a REGVAL_CTR structure
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**********************************************************************/
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void regval_ctr_destroy( REGVAL_CTR *ctr )
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{
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if ( ctr ) {
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talloc_destroy( ctr->ctx );
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ZERO_STRUCTP( ctr );
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}
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}
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