Re: [Tinyx-devel] [PATCH] libc: add the strcmp on libc.

[Felipe B. <me...@fe...>]

On Tue, 11 Dec 2007 19:08:21 -0400, David Cohen <da...@gm...> wrote:
> Signed-off-by: David Cohen <da...@gm...>
Acked-by: Felipe Balbi <me...@fe...>
> ---
>  Makefile                    |    2 +-
>  include/tinyx/libc/string.h |    6 ++++++
>  lib/Makefile                |    1 +
>  lib/libc/Makefile           |    1 +
>  lib/libc/string.c           |   13 +++++++++++++
>  5 files changed, 22 insertions(+), 1 deletions(-)
>  create mode 100644 include/tinyx/libc/string.h
>  create mode 100644 lib/Makefile
>  create mode 100644 lib/libc/Makefile
>  create mode 100644 lib/libc/string.c
> 
> diff --git a/Makefile b/Makefile
> index bae3b3f..0ca9772 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -30,7 +30,7 @@ all-sources = $(shell git-ls-files)
> 
>  export ARCH AS LD CC AR NM STRIP OBJCOPY OBJDUMP AWK CFLAGS PYTHON
> INCLUDES
> 
> -tinyx.dirs = arch/ kernel/
> +tinyx.dirs = lib/ arch/ kernel/
> 
>  tinyx.objs = $(patsubst %/, %/tyx_part.o, $(tinyx.dirs))
> 
> diff --git a/include/tinyx/libc/string.h b/include/tinyx/libc/string.h
> new file mode 100644
> index 0000000..2455bcc
> --- /dev/null
> +++ b/include/tinyx/libc/string.h
> @@ -0,0 +1,6 @@
> +#ifndef __TINYX_LIBC_STRING_H
> +#define __TINYX_LIBC_STRING_H
> +
> +int strcmp(const char *str1, const char *str2);
> +
> +#endif /* __TINYX_LIBC_STRING_H */
> diff --git a/lib/Makefile b/lib/Makefile
> new file mode 100644
> index 0000000..3231475
> --- /dev/null
> +++ b/lib/Makefile
> @@ -0,0 +1 @@
> +obj-y = libc/
> diff --git a/lib/libc/Makefile b/lib/libc/Makefile
> new file mode 100644
> index 0000000..f6fde72
> --- /dev/null
> +++ b/lib/libc/Makefile
> @@ -0,0 +1 @@
> +obj-y += string.o
> diff --git a/lib/libc/string.c b/lib/libc/string.c
> new file mode 100644
> index 0000000..bc9bfb3
> --- /dev/null
> +++ b/lib/libc/string.c
> @@ -0,0 +1,13 @@
> +#include <tinyx/libc/string.h>
> +
> +int strcmp(const char *str1, const char *str2)
> +{
> +	while ((*str1) == (*str2)) {
> +		if (!*str1++)
> +			return 0;
> +		str2++;
> +	}
> +	while ((*str1++) && (*str2++));
> +
> +	return (*str1) ? 1 : -1;
> +}
> --
> 1.5.3.5
> 
> 
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-- 
Best Regards,

Felipe Balbi
http://felipebalbi.com
me...@fe...