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#ifndef CSTACK_INT_H
#define CSTACK_INT_H 1
#include "cstack/cstackDecls.h"
/*
* Waste a bit of space (1K) on each new stack to reduce the amount of
* reallocation going on for most stacks, which should be small.
*/
static const int CSTACK_INITIAL_SIZE = 256;
/*
* Actual type of the stack data structure. Used only inside of the
* package.
*/
typedef struct CSTACK_ {
long int max; /* Size of the cell array. */
long int top; /* Index of the topmost _unused_ cell in the
* array === Index of the _next_ cell to use
* === Size of the stack. */
CSTACK_CELL_FREE freeCell;
void* clientData;
void** cell; /* Array of the stack cells. */
} CSTACK_;
/*
* 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 CSTACK_DEBUG
#define CSTACK_DEBUG 1
#ifdef CSTACK_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 /* CSTACK_INT_H */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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