Ejemplo n.º 1
0
/* <string> .libfile <string> false */
int                             /* exported for zsysvm.c */
zlibfile(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    int code;
    byte cname[DEFAULT_BUFFER_SIZE];
    uint clen;
    gs_parsed_file_name_t pname;
    stream *s;
    gx_io_device *iodev_dflt;

    check_ostack(2);
    code = parse_file_name(op, &pname, i_ctx_p->LockFilePermissions, imemory);
    if (code < 0)
        return code;
    iodev_dflt = iodev_default(imemory);
    if (pname.iodev == NULL)
        pname.iodev = iodev_dflt;
    if (pname.iodev != iodev_dflt) { /* Non-OS devices don't have search paths (yet). */
        code = zopen_file(i_ctx_p, &pname, "r", &s, imemory);
        if (code >= 0) {
            code = ssetfilename(s, op->value.const_bytes, r_size(op));
            if (code < 0) {
                sclose(s);
                return_error(e_VMerror);
            }
        }
        if (code < 0) {
            push(1);
            make_false(op);
            return 0;
        }
        make_stream_file(op, s, "r");
    } else {
        ref fref;

        code = lib_file_open(i_ctx_p->lib_path, imemory, i_ctx_p, pname.fname, pname.len,
                             (char *)cname, sizeof(cname), &clen, &fref);
        if (code >= 0) {
            s = fptr(&fref);
            code = ssetfilename(s, cname, clen);
            if (code < 0) {
                sclose(s);
                return_error(e_VMerror);
            }
        }
        if (code < 0) {
            if (code == e_VMerror || code == e_invalidfileaccess)
                return code;
            push(1);
            make_false(op);
            return 0;
        }
        ref_assign(op, &fref);
    }
    push(1);
    make_true(op);
    return 0;
}
Ejemplo n.º 2
0
/* The startup code calls this to open @-files. */
FILE *
lib_fopen(const gs_file_path_ptr pfpath, const gs_memory_t *mem, const char *fname)
{
    /* We need a buffer to hold the expanded file name. */
    char filename_found[DEFAULT_BUFFER_SIZE];
    FILE *file = NULL;
    uint fnamelen;
    ref obj;
    int code;

    /* open the usual 'stream', then if successful, return the file */
    code = lib_file_open(pfpath, mem, NULL, fname, strlen(fname), 
			    filename_found, sizeof(filename_found), &fnamelen, &obj);
    
    if (code < 0)
	return NULL;
    file = ((stream *)(obj.value.pfile))->file;
    return file;
}