#include <string.h>
#include <stdlib.h>
#include <grass/dbmi.h>

/*!
 \fn char *db_store (char *s)
 \brief 
 \return 
 \param 
*/
char *
db_store (char *s)
{
    char *a;

    a = db_malloc (strlen(s) + 1);
    if (a)
	strcpy (a, s);
    return a;
}

/*!
 \fn void *db_malloc (int n)
 \brief 
 \return 
 \param 
*/
void *
db_malloc (int n)
{
    void *s;

    if (n <= 0)
	n = 1;
    s = malloc((unsigned int) n);
    if (s == NULL)
	db_memory_error ();
    return s;
}

/*!
 \fn void *db_calloc (int n, int m)
 \brief 
 \return 
 \param 
*/
void *
db_calloc (int n, int m)
{
    void *s;

    if (n <= 0)
	n = 1;
    if (m <= 0)
	m = 1;
    s = calloc((unsigned int) n, (unsigned int) m);
    if (s == NULL)
	db_memory_error ();
    return s;
}

/*!
 \fn void *db_realloc (void *s, int n)
 \brief 
 \return 
 \param 
*/
void *
db_realloc (void *s, int n)
{
    if (n <= 0)
	n = 1;
    if(s == NULL)
	s = malloc((unsigned int) n);
    else
	s = realloc (s, (unsigned int) n);
    if (s == NULL)
	db_memory_error ();
    return s;
}