home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Shareware Supreme Volume 6 #1
/
swsii.zip
/
swsii
/
099
/
HEAP20.ZIP
/
HEAP.H
< prev
next >
Wrap
C/C++ Source or Header
|
1993-10-05
|
2KB
|
42 lines
/* HEAP.H - Include file for the Heap Library
*/
/* Global type definitions
*/
typedef unsigned char uchar;
typedef unsigned long ulong;
typedef unsigned int uint;
typedef char far* fptr;
typedef char huge* hptr;
/* Global definitions
*/
#define ERR_NOTINIT 1 /* InitHeap() was not called */
#define ERR_ALREADYINIT 2 /* InitHeap() was already called */
#define ERR_SIZETOOSMALL 3 /* Requested size too small */
#define ERR_SIZETOOLARGE 4 /* Requested size too large */
#define ERR_TOOMANYHAND 5 /* Too many handles already used */
#define ERR_HANDNOTFOUND 6 /* Requested handle not found */
/* Global variables
*/
extern const char *HeapVersion; /* Version of this library */
extern const uchar HeapInitialized; /* Set by InitHeap() */
extern const uint HeapMaxHandles, /* Maximum handles allocatable */
HeapUsedHandles; /* Total handles alloc. by Halloc() */
extern const ulong HeapUsed, /* Total memory alloc. by Halloc() */
HeapUnused; /* Total mem. available by Halloc() */
extern uchar HeapError; /* Set after all functions */
extern hptr HeapBase; /* Base of memory alloc()'d */
/* Global function prototypes
*/
extern uchar InitHeap(uint handles, ulong bytes); /* Init. all variables */
extern void UnInitHeap(void); /* Uninit all variables*/
extern uint Halloc(ulong bytes); /* Alloc memory */
extern uchar Hfree(uint handle); /* Free memory */
extern ulong Hsize(uint handle); /* Return memory size */
extern hptr Hpointer(uint handle); /* Return mem. pointer */
extern void Hclear(void); /* Re-init all variabls*/