andre@0: /* This Source Code Form is subject to the terms of the Mozilla Public
andre@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
andre@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
andre@0: /*
andre@0:  * pkix_pl_mem.c
andre@0:  *
andre@0:  * Memory Management Functions
andre@0:  *
andre@0:  */
andre@0: 
andre@0: #include "pkix_pl_mem.h"
andre@0: 
andre@0: /*
andre@0:  * FUNCTION: PKIX_PL_Malloc (see comments in pkix_pl_system.h)
andre@0:  */
andre@0: PKIX_Error *
andre@0: PKIX_PL_Malloc(
andre@0:         PKIX_UInt32 size,
andre@0:         void **pMemory,
andre@0:         void *plContext)
andre@0: {
andre@0:         PKIX_PL_NssContext *nssContext = NULL;
andre@0:         void *result = NULL;
andre@0: 
andre@0:         PKIX_ENTER(MEM, "PKIX_PL_Malloc");
andre@0:         PKIX_NULLCHECK_ONE(pMemory);
andre@0: 
andre@0:         if (size == 0){
andre@0:                 *pMemory = NULL;
andre@0:         } else {
andre@0: 
andre@0:                 nssContext = (PKIX_PL_NssContext *)plContext; 
andre@0: 
andre@0:                 if (nssContext != NULL && nssContext->arena != NULL) {
andre@0:                     PKIX_MEM_DEBUG("\tCalling PORT_ArenaAlloc.\n");
andre@0:                     *pMemory = PORT_ArenaAlloc(nssContext->arena, size);
andre@0:                 } else {
andre@0:                     PKIX_MEM_DEBUG("\tCalling PR_Malloc.\n");
andre@0:                     result = (void *) PR_Malloc(size);
andre@0: 
andre@0:                     if (result == NULL) {
andre@0:                         PKIX_MEM_DEBUG("Fatal Error Occurred: "
andre@0:                                         "PR_Malloc failed.\n");
andre@0:                         PKIX_ERROR_ALLOC_ERROR();
andre@0:                     } else {
andre@0:                         *pMemory = result;
andre@0:                     }
andre@0:                 }
andre@0:         }
andre@0: 
andre@0: cleanup:
andre@0:         PKIX_RETURN(MEM);
andre@0: }
andre@0: 
andre@0: /*
andre@0:  * FUNCTION: PKIX_PL_Calloc (see comments in pkix_pl_system.h)
andre@0:  */
andre@0: PKIX_Error *
andre@0: PKIX_PL_Calloc(
andre@0:         PKIX_UInt32 nElem,
andre@0:         PKIX_UInt32 elSize,
andre@0:         void **pMemory,
andre@0:         void *plContext)
andre@0: {
andre@0:         PKIX_PL_NssContext *nssContext = NULL;
andre@0:         void *result = NULL;
andre@0: 
andre@0:         PKIX_ENTER(MEM, "PKIX_PL_Calloc");
andre@0:         PKIX_NULLCHECK_ONE(pMemory);
andre@0: 
andre@0:         if ((nElem == 0) || (elSize == 0)){
andre@0:                 *pMemory = NULL;
andre@0:         } else {
andre@0: 
andre@0:                 nssContext = (PKIX_PL_NssContext *)plContext; 
andre@0: 
andre@0:                 if (nssContext != NULL && nssContext->arena != NULL) {
andre@0:                     PKIX_MEM_DEBUG("\tCalling PORT_ArenaAlloc.\n");
andre@0:                     *pMemory = PORT_ArenaAlloc(nssContext->arena, elSize);
andre@0:                 } else {
andre@0:                     PKIX_MEM_DEBUG("\tCalling PR_Calloc.\n");
andre@0:                     result = (void *) PR_Calloc(nElem, elSize);
andre@0: 
andre@0:                     if (result == NULL) {
andre@0:                         PKIX_MEM_DEBUG("Fatal Error Occurred: "
andre@0:                                         "PR_Calloc failed.\n");
andre@0:                         PKIX_ERROR_ALLOC_ERROR();
andre@0:                     } else {
andre@0:                         *pMemory = result;
andre@0:                     }
andre@0:                 }
andre@0:         }
andre@0: 
andre@0: cleanup:
andre@0: 
andre@0:         PKIX_RETURN(MEM);
andre@0: }
andre@0: 
andre@0: /*
andre@0:  * FUNCTION: PKIX_PL_Realloc (see comments in pkix_pl_system.h)
andre@0:  */
andre@0: PKIX_Error *
andre@0: PKIX_PL_Realloc(
andre@0:         void *ptr,
andre@0:         PKIX_UInt32 size,
andre@0:         void **pMemory,
andre@0:         void *plContext)
andre@0: {
andre@0:         PKIX_PL_NssContext *nssContext = NULL;
andre@0:         void *result = NULL;
andre@0: 
andre@0:         PKIX_ENTER(MEM, "PKIX_PL_Realloc");
andre@0:         PKIX_NULLCHECK_ONE(pMemory);
andre@0: 
andre@0:         nssContext = (PKIX_PL_NssContext *)plContext; 
andre@0: 
andre@0:         if (nssContext != NULL && nssContext->arena != NULL) {
andre@0:                 PKIX_MEM_DEBUG("\tCalling PORT_ArenaAlloc.\n");
andre@0:                 result = PORT_ArenaAlloc(nssContext->arena, size);
andre@0: 
andre@0:                 if (result){
andre@0:                         PKIX_MEM_DEBUG("\tCalling PORT_Memcpy.\n");
andre@0:                         PORT_Memcpy(result, ptr, size);
andre@0:                 }
andre@0:                 *pMemory = result;
andre@0:         } else {
andre@0:                 PKIX_MEM_DEBUG("\tCalling PR_Realloc.\n");
andre@0:                 result = (void *) PR_Realloc(ptr, size);
andre@0: 
andre@0:                 if (result == NULL) {
andre@0:                         if (size == 0){
andre@0:                                 *pMemory = NULL;
andre@0:                         } else {
andre@0:                                 PKIX_MEM_DEBUG
andre@0:                                         ("Fatal Error Occurred: "
andre@0:                                         "PR_Realloc failed.\n");
andre@0:                                 PKIX_ERROR_ALLOC_ERROR();
andre@0:                         }
andre@0:                 } else {
andre@0:                         *pMemory = result;
andre@0:                 }
andre@0:         }
andre@0: 
andre@0: cleanup:
andre@0: 
andre@0:         PKIX_RETURN(MEM);
andre@0: }
andre@0: 
andre@0: /*
andre@0:  * FUNCTION: PKIX_PL_Free (see comments in pkix_pl_system.h)
andre@0:  */
andre@0: PKIX_Error *
andre@0: PKIX_PL_Free(
andre@0:         void *ptr,
andre@0:         /* ARGSUSED */ void *plContext)
andre@0: {
andre@0:         PKIX_PL_NssContext *context = NULL;
andre@0: 
andre@0:         PKIX_ENTER(MEM, "PKIX_PL_Free");
andre@0: 
andre@0:         context = (PKIX_PL_NssContext *) plContext;
andre@0:         if (context == NULL || context->arena == NULL) {
andre@0:             PKIX_MEM_DEBUG("\tCalling PR_Free.\n");
andre@0:             (void) PR_Free(ptr);
andre@0:         }
andre@0: 
andre@0:         PKIX_RETURN(MEM);
andre@0: }