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mem.c
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mem.c
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#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include "assert.h"
#include "except.h"
#include "mem.h"
const Except_T Mem_Failed = { "Allocation Failed" };
int alt = 0;
int frt = 0;
void *Mem_alloc(long nbytes, const char *file, int line)
{
void *ptr;
if (nbytes <= 0) {
if (file == NULL)
RAISE(Mem_Failed);
else
Except_raise(&Mem_Failed, file, line);
}
ptr = malloc(nbytes);
if (ptr == NULL) {
if (file == NULL) {
RAISE(Mem_Failed);
}
else {
Except_raise(&Mem_Failed, file, line);
}
}
alt++;
return ptr;
}
void *Mem_calloc(long count, long nbytes,
const char *file, int line)
{
void *ptr;
assert(count > 0);
assert(nbytes > 0);
ptr = calloc(count, nbytes);
if (ptr == NULL) {
if (file == NULL)
RAISE(Mem_Failed);
else
Except_raise(&Mem_Failed, file, line);
}
alt++;
return ptr;
}
void *Mem_resize(void *ptr, long nbytes,
const char *file, int line)
{
assert(ptr);
assert(nbytes > 0);
ptr = realloc(ptr, nbytes);
if (ptr == NULL) {
if (file == NULL)
RAISE(Mem_Failed);
else
Except_raise(&Mem_Failed, file, line);
}
return ptr;
}
void Mem_free(void *ptr, const char *file, int line)
{
if (ptr)
free(ptr);
frt++;
}
void printAF(FILE *fp)
{
fprintf(fp, "allocate %d free %d\n", alt, frt);
}