NDEBUG defined in btree.h about cpp-btree

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Specifically, NDEBUG is one of those very old-school macros for which being 
defined to ANY value, including 0, is treated as true. (Any argument you could 
make that this is stupid, that undefined should mean "available for other code 
to set the default" as opposed to false, would be wasted on me because I agree, 
but it is what it is.) Defining NDEBUG to 0 means to turn off debugging code, 
same as defining it to 1. So, the fix is:


< #define NDEBUG 1
---
> //#define NDEBUG 1
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<     if (!NDEBUG) {
---
> #if !NDEBUG
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<     }
---
> #endif
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<     if (!NDEBUG) {
---
> #if !NDEBUG
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<     }
---
> #endif

Original comment by [email protected] on 26 Jul 2013 at 9:49