src/util/safe_mem.c File Reference

#include "util.h"

Include dependency graph for safe_mem.c:

Go to the source code of this file.

Functions
void	MMout_of_memory (unsigned long size)
void *	MMalloc (unsigned long size)
void *	MMrealloc (void *obj, unsigned long size)
void	MMfree (void *obj)
Variables
void(*	MMoutOfMemory )(unsigned long) = MMout_of_memory

---

Function Documentation

void* MMalloc

(

unsigned long

size

)

Definition at line 43 of file safe_mem.c.

{
  void *p;

#ifdef IBMPC
  if (size > 65000L) {
    if (MMoutOfMemory != (void (*)(unsigned long)) 0) (*MMoutOfMemory)(size);
    return NIL(void);
  }
#endif
  if (size == 0) size = sizeof(long);
  if ((p = malloc(size)) == NIL(void)) {
    if (MMoutOfMemory != (void (*)(unsigned long)) 0) (*MMoutOfMemory)(size);
    return NIL(void);
  }
  return p;
}

void MMfree

(

void *

obj

)

Definition at line 84 of file safe_mem.c.

{
  if (obj != 0) {
    free(obj);
  }
}

void MMout_of_memory

(

unsigned long

size

)

Definition at line 34 of file safe_mem.c.

{
  (void) fflush(stdout);
  (void) fprintf(stderr, "\nout of memory allocating %lu bytes\n", size);
  exit(1);
}

void* MMrealloc	(	void *	obj,
		unsigned long	size
	)

Definition at line 63 of file safe_mem.c.

{
  void *p;

#ifdef IBMPC
  if (size > 65000L) {
    if (MMoutOfMemory != (void (*)(unsigned long)) 0) (*MMoutOfMemory)(size);
    return NIL(void);
  }
#endif
  if (obj == NIL(void)) return MMalloc(size);
  if (size <= 0) size = sizeof(long);
  if ((p = realloc(obj, size)) == NIL(void)) {
    if (MMoutOfMemory != (void (*)(unsigned long)) 0) (*MMoutOfMemory)(size);
    return NIL(void);
  }
  return p;
}

---

Variable Documentation

void(* MMoutOfMemory)(unsigned long) = MMout_of_memory