db/dbmi_base/alloc.c

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

char *db_store(const 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;
}

void db_free(void *s)
{
    free(s);
}