location.c

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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <grass/gis.h>
#include <grass/glocale.h>


char *G_location_path(void)
{
    char *location;

    location = G__location_path();
    if (access(location, 0) != 0) {
        perror("access");
        G_fatal_error(_("LOCATION << %s >> not available"), location);
    }

    return location;
}


char *G_location(void)
{
    return G_getenv("LOCATION_NAME");
}

char *G__location_path(void)
{
    char *location = 0;
    char *base;
    char *name;

    name = G_location();
    base = G_gisdbase();
    location = G_malloc(strlen(base) + strlen(name) + 2);

    sprintf(location, "%s/%s", base, name);

    return location;
}