realloc
Should I enforce realloc check if the new block size is smaller than the initial?
Can realloc fail in this case? int *a = NULL; a = calloc(100, sizeof(*a)); printf(\"1.ptr: %d\\n\", a); a = realloc(a, 50 * sizeof(*a));[详细]
2022-12-25 14:38 分类：问答What header should I include for memcpy and realloc?
I am porting a project to the iPhone and it uses realloc and memcpy which are not found. What is the header to include?开发者_如何学编程[详细]
2022-12-20 17:03 分类：问答Freeing a character pointer
I have a function which is called multiple times during the program\'s execution. In said function, I have a dynamic character pointer which I resize numerous times.[详细]
2022-12-18 11:16 分类：问答What does malloc(0) return? [duplicate]
This question already has answers here: What's the point of malloc(0)? (17 answers) Closed 8 years ago.[详细]
2022-12-17 06:13 分类：问答Why Win32 HeapReAlloc() changes values?
I\'m writing an app in C using win32 API. When I try to enlarge the size of my array, using the HeapRealloc() function, it changes my current values in the array, instead of copying them.[详细]
2022-12-12 13:29 分类：问答can realloc move pointer if new size smaller?
I am wondering whether the C or C++ standard guarantees that a pointer is not changed when realloc is called with a smaller (nonzero) size:[详细]
2022-12-12 00:46 分类：问答Does realloc free the former buffer if it fails?
If realloc fails and 开发者_运维问答returns NULL is the former buffer free\'d or it is kept intact? I didn\'t found that particular piece of information in the man page and I\'m quite unsure what to d[详细]
2022-12-08 23:32 分类：问答
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