mem.c 静态代码pclint检查报错

发布于 2020-10-16 14:43:58 浏览：1393 订阅该版

```
--- Module:   D:\pclint\mem.c (C)
D:\pclint\mem.c  149  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    nmem = (struct heap_mem *)&heap_ptr[mem->next];
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  162  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
        ((struct heap_mem *)&heap_ptr[nmem->next])->prev = (uint8_t *)mem - heap_ptr;
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  166  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    pmem = (struct heap_mem *)&heap_ptr[mem->prev];
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  175  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
        ((struct heap_mem *)&heap_ptr[mem->next])->prev = (uint8_t *)pmem - heap_ptr;
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  217  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    mem        = (struct heap_mem *)heap_ptr;
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  227  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    heap_end        = (struct heap_mem *)&heap_ptr[mem->next];
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  239  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    lfree = (struct heap_mem *)heap_ptr;
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  300  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
         ptr = ((struct heap_mem *)&heap_ptr[ptr])->next)
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  302  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
        mem = (struct heap_mem *)&heap_ptr[ptr];
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  325  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
                mem2       = (struct heap_mem *)&heap_ptr[ptr2];
                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  340  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
                    ((struct heap_mem *)&heap_ptr[mem2->next])->prev = ptr2;
                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  377  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
                    lfree = (struct heap_mem *)&heap_ptr[lfree->next];
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  453  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    mem = (struct heap_mem *)((uint8_t *)rmem - SIZEOF_STRUCT_MEM);
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  473  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
        mem2 = (struct heap_mem *)&heap_ptr[ptr2];
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  484  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
            ((struct heap_mem *)&heap_ptr[mem2->next])->prev = ptr2;
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  570  warning 2445: cast from 'uint8_t *' 
    (aka 'unsigned char *') to 'struct heap_mem *' increases required alignment from 1 to 4
    mem = (struct heap_mem *)((uint8_t *)rmem - SIZEOF_STRUCT_MEM);
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\pclint\mem.c  213  warning 523: expression statement 
    involving operator ',' lacks side effects
    RT_DEBUG_LOG(RT_DEBUG_MEM, ("mem init, heap begin address 0x%x, size %d\n",
                ^
D:\pclint\mem.c  213  warning 505: redundant left argument 
    to comma
    RT_DEBUG_LOG(RT_DEBUG_MEM, ("mem init, heap begin address 0x%x, size %d\n",
                             ^
D:\pclint\mem.c  214  warning 505: redundant left argument 
    to comma
                                (rt_ubase_t)heap_ptr, mem_size_aligned));
                                                    ^
D:\pclint\mem.c  213  warning 505: redundant left argument 
    to comma
    RT_DEBUG_LOG(RT_DEBUG_MEM, ("mem init, heap begin address 0x%x, size %d\n",
                                                                              ^
D:\pclint\mem.c  247  warning 525: unexpected negative 
    indentation
      return -1;
      ^
D:\pclint\mem.c  246  supplemental 891: statement is 
    controlled by preceding control structure
        if(mempool_ptr == NULL)
        ^
D:\pclint\mem.c  276  warning 523: expression statement 
    involving operator ',' lacks side effects
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d, but align to %d\n",
                    ^
D:\pclint\mem.c  276  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d, but align to %d\n",
                                 ^
D:\pclint\mem.c  277  warning 505: redundant left argument 
    to comma
                                    size, RT_ALIGN(size, RT_ALIGN_SIZE)));
                                        ^
D:\pclint\mem.c  276  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d, but align to %d\n",
                                                                       ^
D:\pclint\mem.c  279  warning 523: expression statement 
    involving operator ',' lacks side effects
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d\n", size));
                    ^
D:\pclint\mem.c  279  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d\n", size));
                                 ^
D:\pclint\mem.c  279  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("malloc size %d\n", size));
                                                      ^
D:\pclint\mem.c  286  warning 523: expression statement 
    involving operator ',' lacks side effects
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("no memory\n"));
                    ^
D:\pclint\mem.c  286  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("no memory\n"));
                                 ^
D:\pclint\mem.c  388  warning 523: expression statement 
    involving operator ',' lacks side effects
            RT_DEBUG_LOG(RT_DEBUG_MEM,
                        ^
D:\pclint\mem.c  388  warning 505: redundant left argument 
    to comma
            RT_DEBUG_LOG(RT_DEBUG_MEM,
                                     ^
D:\pclint\mem.c  390  warning 505: redundant left argument 
    to comma
                          (rt_ubase_t)((uint8_t *)mem + SIZEOF_STRUCT_MEM),
                                                                          ^
D:\pclint\mem.c  389  warning 505: redundant left argument 
    to comma
                         ("allocate memory at 0x%x, size: %d\n",
                                                               ^
D:\pclint\mem.c  428  warning 523: expression statement 
    involving operator ',' lacks side effects
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("realloc: out of memory\n"));
                    ^
D:\pclint\mem.c  428  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("realloc: out of memory\n"));
                                 ^
D:\pclint\mem.c  564  warning 523: expression statement 
    involving operator ',' lacks side effects
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("illegal memory\n"));
                    ^
D:\pclint\mem.c  564  warning 505: redundant left argument 
    to comma
        RT_DEBUG_LOG(RT_DEBUG_MEM, ("illegal memory\n"));
                                 ^
D:\pclint\mem.c  572  warning 523: expression statement 
    involving operator ',' lacks side effects
    RT_DEBUG_LOG(RT_DEBUG_MEM,
                ^
D:\pclint\mem.c  572  warning 505: redundant left argument 
    to comma
    RT_DEBUG_LOG(RT_DEBUG_MEM,
                             ^
D:\pclint\mem.c  574  warning 505: redundant left argument 
    to comma
                  (rt_ubase_t)rmem,
                                  ^
D:\pclint\mem.c  573  warning 505: redundant left argument 
    to comma
                 ("release memory 0x%x, size: %d\n",
                                                   ^
--- Module Wrap-up
--- Global Wrap-up

--- Module:   D:\pclint\mem.c (C)
```