get_projinfo.c

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#include <unistd.h>
#include <grass/gis.h>
#include <grass/glocale.h>

#define PERMANENT "PERMANENT"

struct Key_Value *G_get_projunits(void)
{
    int stat;
    struct Key_Value *in_units_keys;
    char path[GPATH_MAX];

    G__file_name(path, "", UNIT_FILE, PERMANENT);
    if (access(path, 0) != 0) {
        G_warning(_("<%s> file not found for location <%s>"),
                  UNIT_FILE, G_location());
        return NULL;
    }
    in_units_keys = G_read_key_value_file(path, &stat);
    if (stat != 0) {
        G_warning(_("ERROR in reading <%s> file for location <%s>"),
                  UNIT_FILE, G_location());
        return NULL;
    }

    return in_units_keys;
}

struct Key_Value *G_get_projinfo(void)
{
    int stat;
    struct Key_Value *in_proj_keys;
    char path[GPATH_MAX];

    G__file_name(path, "", PROJECTION_FILE, PERMANENT);
    if (access(path, 0) != 0) {
        G_warning(_("<%s> file not found for location <%s>"),
                  PROJECTION_FILE, G_location());
        return NULL;
    }
    in_proj_keys = G_read_key_value_file(path, &stat);
    if (stat != 0) {
        G_warning(_("ERROR in reading <%s> file for location <%s>"),
                  PROJECTION_FILE, G_location());
        return NULL;
    }
    return in_proj_keys;
}