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/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/memory.c,v 1.8 2006/11/08 10:46:47 meskes Exp $ */
#define POSTGRES_ECPG_INTERNAL
#include "postgres_fe.h"
#include "ecpgtype.h"
#include "ecpglib.h"
#include "ecpgerrno.h"
#include "extern.h"
void
ECPGfree(void *ptr)
{
free(ptr);
}
char *
ECPGalloc(long size, int lineno)
{
char *new = (char *) calloc(1L, size);
if (!new)
{
ECPGraise(lineno, ECPG_OUT_OF_MEMORY, ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
return NULL;
}
memset(new, '\0', size);
return (new);
}
char *
ECPGrealloc(void *ptr, long size, int lineno)
{
char *new = (char *) realloc(ptr, size);
if (!new)
{
ECPGraise(lineno, ECPG_OUT_OF_MEMORY, ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
return NULL;
}
return (new);
}
char *
ECPGstrdup(const char *string, int lineno)
{
char *new;
if (string == NULL)
return NULL;
new = strdup(string);
if (!new)
{
ECPGraise(lineno, ECPG_OUT_OF_MEMORY, ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
return NULL;
}
return (new);
}
/* keep a list of memory we allocated for the user */
static struct auto_mem
{
void *pointer;
struct auto_mem *next;
} *auto_allocs = NULL;
void
ECPGadd_mem(void *ptr, int lineno)
{
struct auto_mem *am = (struct auto_mem *) ECPGalloc(sizeof(struct auto_mem), lineno);
am->pointer = ptr;
am->next = auto_allocs;
auto_allocs = am;
}
void
ECPGfree_auto_mem(void)
{
struct auto_mem *am;
/* free all memory we have allocated for the user */
for (am = auto_allocs; am;)
{
struct auto_mem *act = am;
am = am->next;
ECPGfree(act->pointer);
ECPGfree(act);
}
auto_allocs = NULL;
}
void
ECPGclear_auto_mem(void)
{
struct auto_mem *am;
/* only free our own structure */
for (am = auto_allocs; am;)
{
struct auto_mem *act = am;
am = am->next;
ECPGfree(act);
}
auto_allocs = NULL;
}
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