Il 20/06/2013 16:36, Arthur Chunqi Li ha scritto:
> Add memcpy(void *dest, const void *src, size_t n) to lib/string.c.
> This function acts the same as memcpy in libc.
>
> Signed-off-by: Arthur Chunqi Li <[email protected]>
> ---
> lib/libcflat.h | 1 +
> lib/string.c | 12 ++++++++++++
> 2 files changed, 13 insertions(+)
>
> diff --git a/lib/libcflat.h b/lib/libcflat.h
> index 0875bd9..fadc33d 100644
> --- a/lib/libcflat.h
> +++ b/lib/libcflat.h
> @@ -50,6 +50,7 @@ extern int vsnprintf(char *buf, int size, const char *fmt,
> va_list va);
> extern void puts(const char *s);
>
> extern void *memset(void *s, int c, size_t n);
> +extern void *memcpy(void *dest, const void *src, size_t n);
>
> extern long atol(const char *ptr);
> #define ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0]))
> diff --git a/lib/string.c b/lib/string.c
> index 9dc94a1..e798f86 100644
> --- a/lib/string.c
> +++ b/lib/string.c
> @@ -42,6 +42,18 @@ void *memset(void *s, int c, size_t n)
> return s;
> }
>
> +void *memcpy(void *dest, const void *src, size_t n)
> +{
> + size_t i;
> + char *a = dest;
> + char *b = src;
I added a const here and pushed the three patches.
Paolo
> +
> + for (i = 0; i < n; ++i)
> + a[i] = b[i];
> +
> + return dest;
> +}
> +
> long atol(const char *ptr)
> {
> long acc = 0;
>
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