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Bug 774041 - silence warning about unused private field. r=benjamin.

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This commit is contained in:
Rafael Ávila de Espíndola 2012-07-16 10:57:04 -04:00
parent 8a703c464b
commit f5469c3f0e
1 changed files with 12 additions and 1 deletions
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13
xpcom/string/public/nsXPCOMStrings.h
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@ -119,9 +119,20 @@ class nsACString;
*/
class nsStringContainer;
/**
* This struct is never used directly. It is designed to have the same
* size as nsString. It can be stack and heap allocated and the internal
* functions cast it to nsString.
* While this practice is a strict aliasing violation, it doesn't seem to
* cause problems since the the struct is only accessed via the casts to
* nsString.
* We use protected instead of private to avoid compiler warnings about
* the members being unused.
*/
struct nsStringContainer_base
{
private:
protected:
void *d1;
PRUint32 d2;
PRUint32 d3;