Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

ohos/kernel/liteos_m/kal/posix/src/malloc.c

@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include "securec.h"
+#include "los_config.h"
+#include "los_memory.h"
+
+#if LOSCFG_BASE_CORE_MEMPOOL
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+void *__wrap__calloc_r(struct _reent *reent, size_t nitems, size_t size)
+#else
+void *calloc(size_t nitems, size_t size)
+#endif
+{
+#if (LOSCFG_LIBC_NEWLIB == 1)
+    (void)reent;
+#endif
+    size_t real_size;
+    void *ptr = NULL;
+
+    if ((nitems == 0) || (size == 0) || (nitems > (UINT32_MAX / size))) {
+        return NULL;
+    }
+
+    real_size = (size_t)(nitems * size);
+    ptr = LOS_MemAlloc(OS_SYS_MEM_ADDR, real_size);
+    if (ptr != NULL) {
+        (void)memset_s(ptr, real_size, 0, real_size);
+    }
+    return ptr;
+}
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+void __wrap__free_r(struct _reent *reent, void *ptr)
+#else
+void free(void *ptr)
+#endif
+{
+#if (LOSCFG_LIBC_NEWLIB == 1)
+    (void)reent;
+#endif
+    if (ptr == NULL) {
+        return;
+    }
+
+    LOS_MemFree(OS_SYS_MEM_ADDR, ptr);
+}
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+size_t __wrap__malloc_usable_size_r(struct _reent *reent, void *aptr)
+{
+    (void)reent;
+    (void)aptr;
+    return 0;
+}
+#endif
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+void *__wrap__malloc_r(struct _reent *reent, size_t size)
+#else
+void *malloc(size_t size)
+#endif
+{
+#if (LOSCFG_LIBC_NEWLIB == 1)
+    (void)reent;
+#endif
+    if (size == 0) {
+        return NULL;
+    }
+
+    return LOS_MemAlloc(OS_SYS_MEM_ADDR, size);
+}
+
+void *zalloc(size_t size)
+{
+    void *ptr = NULL;
+
+    if (size == 0) {
+        return NULL;
+    }
+
+    ptr = LOS_MemAlloc(OS_SYS_MEM_ADDR, size);
+    if (ptr != NULL) {
+        (void)memset_s(ptr, size, 0, size);
+    }
+    return ptr;
+}
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+void *__wrap__memalign_r(struct _reent *reent, size_t boundary, size_t size)
+#else
+void *memalign(size_t boundary, size_t size)
+#endif
+{
+#if (LOSCFG_LIBC_NEWLIB == 1)
+    (void)reent;
+#endif
+    if (size == 0) {
+        return NULL;
+    }
+
+    return LOS_MemAllocAlign(OS_SYS_MEM_ADDR, size, boundary);
+}
+
+#if (LOSCFG_LIBC_NEWLIB == 1)
+void *__wrap__realloc_r(struct _reent *reent, void *ptr, size_t size)
+#else
+void *realloc(void *ptr, size_t size)
+#endif
+{
+#if (LOSCFG_LIBC_NEWLIB == 1)
+    (void)reent;
+#endif
+    if (ptr == NULL) {
+        return malloc(size);
+    }
+
+    if (size == 0) {
+        free(ptr);
+        return NULL;
+    }
+
+    return LOS_MemRealloc(OS_SYS_MEM_ADDR, ptr, size);
+}
+
+#endif
+