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/* struct::stack - critcl - layer 0 declarations
* API general utilities
*/
#ifndef _UTIL_H
#define _UTIL_H 1
#include <tcl.h>
/* Allocation macros for common situations.
*/
#define ALLOC(type) (type *) ckalloc (sizeof (type))
#define NALLOC(n,type) (type *) ckalloc ((n) * sizeof (type))
/* Assertions in general, and asserting the proper range of an array index.
*/
#undef STACK_DEBUG
#define STACK_DEBUG 1
#ifdef STACK_DEBUG
#define XSTR(x) #x
#define STR(x) XSTR(x)
#define RANGEOK(i,n) ((0 <= (i)) && (i < (n)))
#define ASSERT(x,msg) if (!(x)) { Tcl_Panic (msg " (" #x "), in file " __FILE__ " @line " STR(__LINE__));}
#define ASSERT_BOUNDS(i,n) ASSERT (RANGEOK(i,n),"array index out of bounds: " STR(i) " > " STR(n))
#else
#define ASSERT(x,msg)
#define ASSERT_BOUNDS(i,n)
#endif
#endif /* _UTIL_H */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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