alloc.c

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#include <string.h>
#include <stdlib.h>
#include "dbmi.h"

char *
db_store(char *s)
{
    char *a;

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

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;
}

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;
}

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;
}

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