libcm/cmArray.h
2013-03-21 18:37:10 -07:00

55 lines
1.7 KiB
C

#ifndef cmArray_h
#define cmArray_h
#ifdef __cplusplus
extern "C" {
#endif
enum
{
kOkArRC = cmOkRC,
kUnderflowArRC
};
typedef cmRC_t cmArRC_t;
typedef cmHandle_t cmArrayH_t;
extern cmArrayH_t cmArrayNullHandle;
cmArRC_t cmArrayAlloc0( cmCtx_t* ctx, cmArrayH_t* hp, unsigned eleByteCnt, unsigned initCnt, unsigned expandCnt );
// Defaults initCnt and expandCnt to 10.
cmArRC_t cmArrayAlloc( cmCtx_t* ctx, cmArrayH_t* hp, unsigned eleByteCnt );
cmArRC_t cmArrayRelease(cmArrayH_t* hp );
cmArRC_t cmArrayIsValid(cmArrayH_t h );
void cmArraySetExpandCount( cmArrayH_t h, unsigned expandCnt );
unsigned cmArrayExpandCount( cmArrayH_t h );
unsigned cmArrayCount( cmArrayH_t h );
cmArRC_t cmArrayClear( cmArrayH_t h, bool releaseFl );
// Returns a pointer to the first pushed element.
// Set 'data' to NULL to create 'dataEleCnt' new zeroed elements.
void* cmArrayPush( cmArrayH_t h, const void* data, unsigned dataEleCnt );
// Decreaese the array count by 'eleCnt'.
cmArRC_t cmArrayPop( cmArrayH_t h, unsigned eleCnt );
// If 'data' is NULL then array[idx:idx+dataEleCnt] is zeroed.
// Returns a ptr to the first set element.
void* cmArraySet( cmArrayH_t h, unsigned index, const void* data, unsigned dataEleCnt );
const void* cmArrayGet( cmArrayH_t h, unsigned index );
#define cmArrayPtr(t,h,i) ((t*)cmArrayGet(h,i))
#define cmArrayBase(t,h) ((t*)cmArrayGet(h,0))
#define cmArrayEle(t,h,i) (*(t*)cmArrayGet(h,i))
#define cmArrayClr(t,h,i) ((t*)cmArraySet(h,i,NULL,1))
#define cmArrayClrN(t,h,i,n) ((t*)cmArraySet(h,i,NULL,n))
#ifdef __cplusplus
}
#endif
#endif