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Added several functions to the intstack module.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4643 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2010-04-18 18:40:59 +00:00
parent 48c647b6bd
commit 922cbf08eb
2 changed files with 37 additions and 12 deletions
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24
src/common/intstack.h
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@@ -6,10 +6,10 @@
/* */
/* */
/* */
/* (C) 2004 Ullrich von Bassewitz */
/* R<EFBFBD>merstra<EFBFBD>e 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* (C) 2004-2010, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
@@ -54,6 +54,9 @@ struct IntStack {
long Stack[8];
};
/* An initializer for an empty int stack */
#define STATIC_INTSTACK_INITIALIZER { 0, { 0, 0, 0, 0, 0, 0, 0, 0 } }
/* Declare an int stack with the given value as first element */
#define INTSTACK(Val) { 1, { Val, 0, 0, 0, 0, 0, 0, 0 } }
@@ -75,6 +78,16 @@ INLINE int IS_IsFull (const IntStack* S)
# define IS_IsFull(S) ((S)->Count >= sizeof ((S)->Stack) / sizeof ((S)->Stack[0]))
#endif
#if defined(HAVE_INLINE)
INLINE int IS_IsEmpty (const IntStack* S)
/* Return true if there are no values on the given int stack */
{
return (S->Count == 0);
}
#else
# define IS_IsEmpty(S) ((S)->Count == 0)
#endif
#if defined(HAVE_INLINE)
INLINE unsigned IS_GetCount (const IntStack* S)
/* Return the number of elements on the given int stack */
@@ -97,6 +110,9 @@ void IS_Drop (IntStack* S);
void IS_Push (IntStack* S, long Val);
/* Push a value onto an int stack */
long IS_Pop (IntStack* S);
/* Pop a value from an int stack */
/* End of intstack.h */