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Bug #5292

open

cppcheck: "portability" warnings: using void pointers in calculations

Added by Victor Julien 5 months ago.

Status:
New
Priority:
Normal
Assignee:
Target version:
Affected Versions:
Effort:
Difficulty:
Label:

Description

src/app-layer-ssl.c:225:20: portability: 'dst' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        memcpy(dst + dst_offset, src + src_offset, src_tocopy);
                   ^
src/app-layer-ssl.c:225:38: portability: 'src' is of type 'const void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        memcpy(dst + dst_offset, src + src_offset, src_tocopy);
                                     ^
src/device-storage.c:77:49: portability: '(void*)d' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageSetById((Storage *)((void *)d + sizeof(LiveDevice)), STORAGE_DEVICE, id.id, ptr);
                                                ^
src/device-storage.c:90:49: portability: '(void*)d' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageGetById((Storage *)((void *)d + sizeof(LiveDevice)), STORAGE_DEVICE, id.id);
                                                ^
src/device-storage.c:102:35: portability: '(void*)d' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
            (Storage *)((void *)d + sizeof(LiveDevice)), STORAGE_DEVICE, id.id);
                                  ^
src/device-storage.c:107:43: portability: '(void*)d' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    StorageFreeById((Storage *)((void *)d + sizeof(LiveDevice)), STORAGE_DEVICE, id.id);
                                          ^
src/device-storage.c:113:46: portability: '(void*)d' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        StorageFreeAll((Storage *)((void *)d + sizeof(LiveDevice)), STORAGE_DEVICE);
                                             ^
src/flow-storage.c:41:49: portability: '(void*)f' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageGetById((Storage *)((void *)f + sizeof(Flow)), STORAGE_FLOW, id.id);
                                                ^
src/flow-storage.c:46:49: portability: '(void*)f' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageSetById((Storage *)((void *)f + sizeof(Flow)), STORAGE_FLOW, id.id, ptr);
                                                ^
src/flow-storage.c:51:59: portability: '(void*)f' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageAllocByIdPrealloc((Storage *)((void *)f + sizeof(Flow)), STORAGE_FLOW, id.id);
                                                          ^
src/flow-storage.c:56:43: portability: '(void*)f' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    StorageFreeById((Storage *)((void *)f + sizeof(Flow)), STORAGE_FLOW, id.id);
                                          ^
src/flow-storage.c:62:46: portability: '(void*)f' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        StorageFreeAll((Storage *)((void *)f + sizeof(Flow)), STORAGE_FLOW);
                                             ^
src/host-storage.c:77:49: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageSetById((Storage *)((void *)h + sizeof(Host)), STORAGE_HOST, id.id, ptr);
                                                ^
src/host-storage.c:90:49: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageGetById((Storage *)((void *)h + sizeof(Host)), STORAGE_HOST, id.id);
                                                ^
src/host-storage.c:101:59: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageAllocByIdPrealloc((Storage *)((void *)h + sizeof(Host)), STORAGE_HOST, id.id);
                                                          ^
src/host-storage.c:106:43: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    StorageFreeById((Storage *)((void *)h + sizeof(Host)), STORAGE_HOST, id.id);
                                          ^
src/host-storage.c:112:46: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        StorageFreeAll((Storage *)((void *)h + sizeof(Host)), STORAGE_HOST);
                                             ^
src/ippair-storage.c:37:49: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageGetById((Storage *)((void *)h + sizeof(IPPair)), STORAGE_IPPAIR, id.id);
                                                ^
src/ippair-storage.c:42:49: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageSetById((Storage *)((void *)h + sizeof(IPPair)), STORAGE_IPPAIR, id.id, ptr);
                                                ^
src/ippair-storage.c:47:59: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    return StorageAllocByIdPrealloc((Storage *)((void *)h + sizeof(IPPair)), STORAGE_IPPAIR, id.id);
                                                          ^
src/ippair-storage.c:52:43: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    StorageFreeById((Storage *)((void *)h + sizeof(IPPair)), STORAGE_IPPAIR, id.id);
                                          ^
src/ippair-storage.c:58:46: portability: '(void*)h' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        StorageFreeAll((Storage *)((void *)h + sizeof(IPPair)), STORAGE_IPPAIR);
                                             ^
src/source-af-packet.c:1774:22: portability: 'base' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
                base += ptv->req.v2.tp_frame_size;
                     ^
src/util-mpm-ac-ks.c:931:39: portability: 'mem_block' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    uint8_t *string_space = mem_block + pattern_list_size;
                                      ^
src/util-rohash.c:122:44: portability: '(void*)table' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    ROHashTableOffsets *os = (void *)table + sizeof(ROHashTable);
                                           ^
src/util-rohash.c:134:13: portability: 'table->data' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        if (SCMemcmp(table->data + offset, data, table->item_size) == 0) {
            ^
src/util-rohash.c:135:13: portability: 'table->data' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
            SCReturnPtr(table->data + offset, "void");
            ^
src/util-rohash.c:166:29: portability: '(void*)item' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        memcpy((void *)item + sizeof(ROHashTableItem), value, table->item_size);
                            ^
src/util-rohash.c:191:44: portability: '(void*)table' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
    ROHashTableOffsets *os = (void *)table + sizeof(ROHashTable);
                                           ^
src/util-rohash.c:195:47: portability: '(void*)item' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        uint32_t hash = hashword((void *)item + sizeof(*item), table->item_size/4, 0) & hashmask(table->hash_bits);
                                              ^
src/util-rohash.c:232:47: portability: '(void*)item' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        uint32_t hash = hashword((void *)item + sizeof(*item), table->item_size/4, 0) & hashmask(table->hash_bits);
                                              ^
src/util-rohash.c:237:28: portability: 'table->data' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        memcpy(table->data + offset, (void *)item + sizeof(*item), table->item_size);
                           ^
src/util-rohash.c:237:51: portability: '(void*)item' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. Arithmetic operations on 'void *' is a GNU C extension, which defines the 'sizeof(void)' to be 1. [arithOperationsOnVoidPointer]
        memcpy(table->data + offset, (void *)item + sizeof(*item), table->item_size);
                                                  ^

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