On Wed, 18 May 2011, Lukas Czerner wrote:
> Add functions ext2fs_get_memzero() which will malloc() the memory
> using ext2fs_get_mem(), but it will zero the allocated memory afterwards
> with memset().
>
> Add function ext2fs_get_arrayzero() which will use calloc() for
> allocating and zero-out the array.
Sorry this is not right I forgot to commit my changes. Version 2 is out there.
Thanks!
-Lukas
>
> Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
> ---
> lib/ext2fs/ext2fs.h | 24 ++++++++++++++++++++++++
> 1 files changed, 24 insertions(+), 0 deletions(-)
>
> diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
> index d3eb31d..4aff26d 100644
> --- a/lib/ext2fs/ext2fs.h
> +++ b/lib/ext2fs/ext2fs.h
> @@ -1404,6 +1404,17 @@ _INLINE_ errcode_t ext2fs_get_memalign(unsigned long size,
> return 0;
> }
>
> +_INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr)
> +{
> + errcode_t retval;
> +
> + retval = ext2fs_get_mem(size, ptr);
> + if (retval)
> + return retval;
> + memset(ptr, 0, size);
> + return 0;
> +}
> +
> _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr)
> {
> if (count && (-1UL)/count<size)
> @@ -1411,6 +1422,19 @@ _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, voi
> return ext2fs_get_mem(count*size, ptr);
> }
>
> +_INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, unsigned long size, void *ptr)
> +{
> + void *pp;
> +
> + if (count && (-1UL)/count<size)
> + return EXT2_ET_NO_MEMORY; //maybe define EXT2_ET_OVERFLOW ?
> + pp = calloc(count, size);
> + if (!pp)
> + return EXT2_ET_NO_MEMORY;
> + memcpy(ptr, &pp, sizeof (pp));
> + return 0;
> +}
> +
> /*
> * Free memory
> */
>
--
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