emalloc.h File Reference

#include "host.h"
#include "callcpp.h"

Go to the source code of this file.

Macros
#define	NOTENOUGHMEMORY   2000
#define	ILLEGALMALLOCREQUEST   2001

Functions
void *	Emalloc (size_t Size)
void *	Erealloc (void *ptr, size_t size)
void	Efree (void *ptr)

Macro Definition Documentation

#define ILLEGALMALLOCREQUEST   2001

Definition at line 28 of file emalloc.h.

#define NOTENOUGHMEMORY   2000

---

Include Files and Type Defines

Definition at line 27 of file emalloc.h.

Function Documentation

void Efree

(

void *

ptr

)

Definition at line 85 of file emalloc.cpp.

                      { 
  if (ptr == NULL)
    DoError (ILLEGALMALLOCREQUEST, "Attempted to free NULL ptr");

  free(ptr); 

}                                /* Efree */

void* Emalloc

(

size_t

Size

)

---

Public Function Prototypes

---

Include Files and Type Defines

Public Code

Definition at line 35 of file emalloc.cpp.

                           { 
/*
 **                                                     Parameters:
 **                                                     Size
              number of bytes of memory to be allocated
**                                                      Globals: none
**                                                      Operation:
**                                                      This routine attempts to allocate the specified number of
**                                                      bytes.  If the memory can be allocated, a pointer to the
**                                                      memory is returned.  If the memory cannot be allocated, or
**                                                      if the allocation request is negative or zero,
**                                                      an error is trapped.
**                                                      Return: Pointer to allocated memory.
**                                                      Exceptions: NOTENOUGHMEMORY
              unable to allocate Size bytes
**                                                      ILLEGALMALLOCREQUEST
              negative or zero request size
**                                                      History: 4/3/89, DSJ, Created.
*/
  void *Buffer;

  if (Size <= 0)
    DoError (ILLEGALMALLOCREQUEST, "Illegal malloc request size");
  Buffer = (void *) malloc (Size);
  if (Buffer == NULL) {
    DoError (NOTENOUGHMEMORY, "Not enough memory");
    return (NULL);
  }
  else
    return (Buffer);

}                                /* Emalloc */

void* Erealloc	(	void *	ptr,
		size_t	size
	)

Definition at line 70 of file emalloc.cpp.

                                       { 
  void *Buffer;

  if (size < 0 || (size == 0 && ptr == NULL))
    DoError (ILLEGALMALLOCREQUEST, "Illegal realloc request size");

  Buffer = (void *) realloc (ptr, size);
  if (Buffer == NULL && size != 0)
    DoError (NOTENOUGHMEMORY, "Not enough memory");
  return (Buffer);

}                                /* Erealloc */