File: setenv.c

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grass 8.4.2-1
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#include <grass/gis.h>
static int which_env = -1; /* 0 = cur, 1 = target */

int select_current_env(void)
{
    if (which_env < 0) {
        G_create_alt_env();
        which_env = 0;
    }
    if (which_env != 0) {
        G_switch_env();
        which_env = 0;
    }

    return 0;
}

int select_target_env(void)
{
    if (which_env < 0) {
        G_create_alt_env();
        which_env = 1;
    }
    if (which_env != 1) {
        G_switch_env();
        which_env = 1;
    }

    return 0;
}