rename.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <grass/gis.h>


int G_rename_file(const char *oldname, const char *newname)
{

#ifdef __MINGW32__
    remove(newname);
#endif

    return rename(oldname, newname);
}

int G_rename(const char *element, const char *oldname, const char *newname)
{
    const char *mapset;
    char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
    char from[512], to[512];

    /* name in mapset legal only if mapset is current mapset */
    mapset = G_mapset();
    if (G__name_is_fully_qualified(oldname, xname, xmapset)
        && strcmp(mapset, xmapset))
        return -1;
    if (G__name_is_fully_qualified(newname, xname, xmapset)
        && strcmp(mapset, xmapset))
        return -1;

    /* if file does not exist return 0 */
    if (access(G__file_name(from, element, oldname, mapset), 0) != 0)
        return 0;

    G__file_name(to, element, newname, mapset);

    /* return result of rename */
    return G_rename_file(from, to) == 0 ? 1 : -1;
}