>The message is correct. fullpath_length is set, but not used.
Hi
What is this then
fullpath_length = strlen(fullpath); // variable is used here
isn't a usage of fullpath_length?
// Naderan *Mahmood;
----- Original Message -----
From: Andrew Haley <aph@xxxxxxxxxx>
To: gcc-help@xxxxxxxxxxx
Cc:
Sent: Tuesday, July 12, 2011 10:38 PM
Subject: Re: variable ‘something’ set but not used [-Wunused-but-set-variable]
On 07/12/2011 07:01 PM, Mahmood Naderan wrote:
>
>
> dear all,
> GCC-4.6 says this warning
>
>
> syscall.c:1011:15: warning: variable ‘fullpath_length’ set but not used [-Wunused-but-set-variable]
>
>
> However in the code, I see
>
> int length, fullpath_length; // warning at this line
> int host_fd;
> struct fd_t *fd;
>
> /* Read parameters */
> pfilename = isa_regs->ebx;
> flags = isa_regs->ecx;
> mode = isa_regs->edx;
> length = mem_read_string(isa_mem, pfilename, MAX_PATH_SIZE, filename);
> if (length >= MAX_PATH_SIZE)
> fatal("syscall open: maximum path length exceeded");
> ld_get_full_path(isa_ctx, filename, fullpath, MAX_PATH_SIZE);
> fullpath_length = strlen(fullpath); // variable is used here
>
>
> As you can see fullpath_length is defined as 'int' and is used at the end of the code.
> Any way to fix that?
The message is correct. fullpath_length is set, but not used.
Andrew.
