| /******************************************************************************* |
| * Copyright (c) 2007, 2010 Wind River Systems, Inc. and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * and Eclipse Distribution License v1.0 which accompany this distribution. |
| * The Eclipse Public License is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * and the Eclipse Distribution License is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * Contributors: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| |
| /* |
| * Local memory heap manager. |
| */ |
| |
| #include <config.h> |
| #include <string.h> |
| #include <framework/trace.h> |
| #include <framework/myalloc.h> |
| |
| void * loc_alloc(size_t size) { |
| void * p; |
| |
| if (size == 0) { |
| size = 1; |
| } |
| if ((p = malloc(size)) == NULL) { |
| perror("malloc"); |
| exit(1); |
| } |
| trace(LOG_ALLOC, "loc_alloc(%u) = %#lx", (unsigned)size, p); |
| return p; |
| } |
| |
| void * loc_alloc_zero(size_t size) { |
| void * p; |
| |
| if (size == 0) { |
| size = 1; |
| } |
| if ((p = malloc(size)) == NULL) { |
| perror("malloc"); |
| exit(1); |
| } |
| memset(p, 0, size); |
| trace(LOG_ALLOC, "loc_alloc_zero(%u) = %#lx", (unsigned)size, p); |
| return p; |
| } |
| |
| void * loc_realloc(void * ptr, size_t size) { |
| void * p; |
| |
| if (size == 0) { |
| size = 1; |
| } |
| if ((p = realloc(ptr, size)) == NULL) { |
| perror("realloc"); |
| exit(1); |
| } |
| trace(LOG_ALLOC, "loc_realloc(%#lx, %u) = %#lx", ptr, (unsigned)size, p); |
| return p; |
| } |
| |
| void loc_free(const void * p) { |
| trace(LOG_ALLOC, "loc_free %#lx", p); |
| free((void *)p); |
| } |
| |
| |
| /* |
| * strdup() with end-of-memory checking. |
| */ |
| char * loc_strdup(const char * s) { |
| char * rval = (char *)loc_alloc(strlen(s) + 1); |
| strcpy(rval, s); |
| return rval; |
| } |
| |
| |
| /* |
| * strdup2() with concatenation and end-of-memory checking. |
| */ |
| char * loc_strdup2(const char * s1, const char * s2) { |
| char * rval = (char *)loc_alloc(strlen(s1) + strlen(s2) + 1); |
| strcpy(rval, s1); |
| strcat(rval, s2); |
| return rval; |
| } |
| |
| |
| /* |
| * strndup() with end-of-memory checking. |
| */ |
| char * loc_strndup(const char * s, size_t len) { |
| char * rval = (char *)loc_alloc(len + 1); |
| strncpy(rval, s, len); |
| rval[len] = '\0'; |
| return rval; |
| } |