Nipun Tomar
Difference between malloc and calloc.?
By Nipun Tomar in Databases & DBA on Dec 17 2013
  • Mukesh Kumar Tiwari
    Apr, 2014 1

    1: calloc(...) allocates a block of memory for an array of elements of a certain size. By default the block is initialized to 0. The total number of memory allocated will be (number_of_elements * size).malloc(...) takes in only a single argument which is the memory required in bytes. malloc(...) allocated bytes of memory and not blocks of memory like calloc(...).2. malloc(...) allocates memory blocks and returns a void pointer to the allocated space, or NULL if there is insufficient memory available.calloc(...) allocates an array in memory with elements initialized to 0 and returns a pointer to the allocated space. calloc(...) calls malloc(...) in order to use the C++ _set_new_mode function to set the new handler mode.

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  • Keerthi Venkatesan
    Apr, 2016 20

    calloc is used to allocate a block of memory and malloc does not touch the contents of the allocated block of memory, which means it contains garbage values.

    • 0
  • Pankaj  Kumar Choudhary
    May, 2015 29

    calloc() allocate memory for a array of specific data type malloc() allocate a single memory space for a single element...

    • 0
  • Kml Surani
    May, 2015 13

    http://www.diffen.com/difference/Calloc_vs_Malloc

    • 0
  • Munesh Sharma
    Apr, 2014 13

    When calloc is used to allocate a block of memory, the allocated region is initialized to zeroes. In contrast, malloc does not touch the contents of the allocated block of memory, which means it contains garbage values. This could potentially be a security risk because the contents of memory are unpredictable and programming errors may result in a leak of these contents.

    • 0
  • Mukesh Kumar Tiwari
    Apr, 2014 1

    1: calloc(...) allocates a block of memory for an array of elements of a certain size. By default the block is initialized to 0. The total number of memory allocated will be (number_of_elements * size).malloc(...) takes in only a single argument which is the memory required in bytes. malloc(...) allocated bytes of memory and not blocks of memory like calloc(...).2. malloc(...) allocates memory blocks and returns a void pointer to the allocated space, or NULL if there is insufficient memory available.calloc(...) allocates an array in memory with elements initialized to 0 and returns a pointer to the allocated space. calloc(...) calls malloc(...) in order to use the C++ _set_new_mode function to set the new handler mode.

    • 0

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