[libvirt] [PATCH] Remove use of strncpy in qemudExtractMonitorPath.

[Daniel P. Berrange]

On Fri, Aug 28, 2009 at 04:56:14PM +0200, Chris Lalancette wrote:
> qemudExtractMonitorPath() was doing a VIR_ALLOC_N followed by a
> strncpy.  However, this isn't necessary; we can do the same thing
> using strndup, which is much safer.
> 
> Signed-off-by: Chris Lalancette <clalance at redhat.com>
> ---
>  src/qemu_driver.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/src/qemu_driver.c b/src/qemu_driver.c
> index 772f2f9..a40d386 100644
> --- a/src/qemu_driver.c
> +++ b/src/qemu_driver.c
> @@ -1029,12 +1029,12 @@ qemudExtractMonitorPath(virConnectPtr conn,
>       */
>      while (*tmp) {
>          if (c_isspace(*tmp)) {
> -            if (VIR_ALLOC_N(*path, (tmp-dev)+1) < 0) {
> +            *path = strndup(dev, tmp-dev);
> +            if (*path == NULL) {
>                  virReportOOMError(conn);
>                  return -1;
>              }
> -            strncpy(*path, dev, (tmp-dev));
> -            (*path)[(tmp-dev)] = '\0';
> +
>              /* ... now further update offset till we get EOL */
>              *offset = tmp - haystack;
>              return 0;

ACK

Daniel
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