Re: [Qemu-devel] [5532] Replace uses of strndup (a GNU extension) with Qemu pstrdup

["andrzej zaborowski" <balrogg@gmail.com>]

2008/10/25 Blue Swirl <blauwirbel@gmail.com>:
> Revision: 5532
>          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5532
> Author:   blueswir1
> Date:     2008-10-25 11:23:27 +0000 (Sat, 25 Oct 2008)
>
> Log Message:
> -----------
> Replace uses of strndup (a GNU extension) with Qemu pstrdup
>
> Modified Paths:
> --------------
>    trunk/cutils.c
>    trunk/hw/bt-hci.c
>    trunk/qemu-common.h
>
> Modified: trunk/cutils.c
> ===================================================================
> --- trunk/cutils.c      2008-10-25 11:21:28 UTC (rev 5531)
> +++ trunk/cutils.c      2008-10-25 11:23:27 UTC (rev 5532)
> @@ -50,6 +50,18 @@
>     return buf;
>  }
>
> +/* strdup with a limit */
> +char *pstrdup(const char *str, size_t buf_size)
> +{
> +    size_t len;
> +    char *buf;
> +
> +    len = MIN(buf_size, strlen(str));
> +    buf = qemu_malloc(len);
> +    pstrcpy(buf, len, str);
> +    return buf;
> +}

I think here also pstrcpy will only copy up to buf_size - 1 characters
while strndup would copy buf_size chars.

Cheers