Re: [Tinyx-devel] [PATCH] LIBC: memset and memcpy

[David C. <da...@gm...>]

On Jan 9, 2008 11:40 AM, Felipe Balbi <me...@fe...> wrote:
> string.c is mostly complete now, we shall need strerror though
> during debugging but this can be done in a separate file.
>
> Signed-off-by: Felipe Balbi <me...@fe...>

Acked.

Br,

David

> ---
>  include/libc/string.h |    2 ++
>  lib/libc/string.c     |   31 +++++++++++++++++++++++++++++++
>  2 files changed, 33 insertions(+), 0 deletions(-)
>
> diff --git a/include/libc/string.h b/include/libc/string.h
> index 9106e7a..8a53d41 100644
> --- a/include/libc/string.h
> +++ b/include/libc/string.h
> @@ -22,6 +22,8 @@
>  #ifndef __TINYX_LIBC_STRING_H
>  #define __TINYX_LIBC_STRING_H
>
> +void *memset(void *mem, int data, size_t count)
> +void *memcpy(void *dest, const void *src, size_t count)
>  char *strcat(char *str1, const char *str2);
>  char *strchr(const char *str, int ch);
>  int strcoll(const char *str1, const char *str2);
> diff --git a/lib/libc/string.c b/lib/libc/string.c
> index f54a876..0b9be1c 100644
> --- a/lib/libc/string.c
> +++ b/lib/libc/string.c
> @@ -22,6 +22,37 @@
>  #include <libc/string.h>
>
>  /**
> + * memset - Fill a memory region with data
> + * @mem: Pointer to the start of the area.
> + * @data: The byte to fill the area with
> + * @count: The size of the area.
> + */
> +void *memset(void *mem, int data, size_t count)
> +{
> +       char *tmp = mem;
> +
> +       while (count--)
> +               *tmp++ = data;
> +       return mem;
> +}
> +
> +/**
> + * memcpy - Copy memory areas
> + * @dest: Destination of copy task
> + * @src: Where the data to copy from is
> + * @count: The size of the area.
> + */
> +void *memcpy(void *dest, const void *src, size_t count)
> +{
> +       char *tmp = dest;
> +       const char *s = src;
> +
> +       while (count--)
> +               *tmp++ = *s++;
> +       return dest;
> +}
> +
> +/**
>   * strcat - Apend one string to another
>   * @str1: The destination string
>   * @str2: The source string
> --
> 1.5.4.rc1.21.g0e545-dirty
>
>
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-- 
David Cohen
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil