The value of "sizeof(struct dhkey)" will be different after the change.
-Alfred
Deepak Bhatia wrote:
> Hi,
>
> In the Solaris source code, the following syntax is used for example
>
> struct dhkey {
> u_short length; /* Length in bytes */
> u_char key[1]; /* Binary data; allocated to correct length */
> };
>
> May be you have to change it to 1 :-)
>
> Regards
>
> Deepak Bhatia
>
> -----Original Message-----
> From: tools-linking-bounces at opensolaris.org
> [mailto:tools-linking-bounces at opensolaris.org]On Behalf Of Alfred Peng
> Sent: Tuesday, March 13, 2007 3:16 PM
> To: tools-linking at opensolaris.org
> Subject: [tools-linking] Problem for array with 0 element
>
>
> Hi guys,
>
> When porting an application to Solaris, I met a problem for array
> with 0 element.
>
> An array with 0 element can be used in class/struct declaration.
> It's like a place holder to add more memory at the end of the
> class/struct instance in the future, to make the size of the
> class/struct variable. For example:
>
> struct {
> uint32 length;
> uint16 buffer[0];
> } a;
>
> It seems that the sun cc doesn't support this. When I build it, the
> error message shows "Error: An array must have at least one element.".
> And it works fine with gcc. Is this an extension feature for gcc? Is
> there any workaround for this with sun cc?
>
> Thanks,
> -Alfred
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