Re: [Qemu-devel] [PATCH v8] slirp/misc: Use the GLib memory allocation APIs

["Benoît Canet" <benoit.canet@irqsave.net>]

The Tuesday 19 Aug 2014 à 16:30:17 (+0800), zhanghailiang wrote :
> Here we don't check the return value of malloc() which may fail.
> Use the g_new() instead, which will abort the program when
> there is not enough memory.
> 
> Also, use g_strdup instead of strdup and remove the unnecessary
> strdup function.
> 
> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>  slirp/misc.c | 20 +++-----------------
>  1 file changed, 3 insertions(+), 17 deletions(-)
> 
> diff --git a/slirp/misc.c b/slirp/misc.c
> index b8eb74c..6543dc7 100644
> --- a/slirp/misc.c
> +++ b/slirp/misc.c
> @@ -54,11 +54,11 @@ int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec,
>  	}
>  
>  	tmp_ptr = *ex_ptr;
> -	*ex_ptr = (struct ex_list *)malloc(sizeof(struct ex_list));
> +	*ex_ptr = g_new(struct ex_list, 1);
>  	(*ex_ptr)->ex_fport = port;
>  	(*ex_ptr)->ex_addr = addr;
>  	(*ex_ptr)->ex_pty = do_pty;
> -	(*ex_ptr)->ex_exec = (do_pty == 3) ? exec : strdup(exec);
> +	(*ex_ptr)->ex_exec = (do_pty == 3) ? exec : g_strdup(exec);
>  	(*ex_ptr)->ex_next = tmp_ptr;
>  	return 0;
>  }
> @@ -187,7 +187,7 @@ fork_exec(struct socket *so, const char *ex, int do_pty)
>  			   bptr++;
>  			c = *bptr;
>  			*bptr++ = (char)0;
> -			argv[i++] = strdup(curarg);
> +			argv[i++] = g_strdup(curarg);
>  		   } while (c);
>  
>                  argv[i] = NULL;
> @@ -228,20 +228,6 @@ fork_exec(struct socket *so, const char *ex, int do_pty)
>  }
>  #endif
>  
> -#ifndef HAVE_STRDUP
> -char *
> -strdup(str)
> -	const char *str;
> -{
> -	char *bptr;
> -
> -	bptr = (char *)malloc(strlen(str)+1);
> -	strcpy(bptr, str);
> -
> -	return bptr;
> -}
> -#endif
> -
>  void slirp_connection_info(Slirp *slirp, Monitor *mon)
>  {
>      const char * const tcpstates[] = {
> -- 
> 1.7.12.4
> 
> 
> 
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>