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Annotation of freem/src/cmd_unmap.c, revision 1.4

1.1       snw         1: /*
1.4     ! snw         2:  *   $Id: cmd_unmap.c,v 1.3 2025/03/09 19:14:24 snw Exp $
1.1       snw         3:  *    Implementation of the UNMAP command
                      4:  *
                      5:  *  
1.2       snw         6:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw         7:  *    Copyright (C) 1998 MUG Deutschland
1.3       snw         8:  *    Copyright (C) 2023, 2025 Coherent Logic Development LLC
1.1       snw         9:  *
                     10:  *
                     11:  *   This file is part of FreeM.
                     12:  *
                     13:  *   FreeM is free software: you can redistribute it and/or modify
                     14:  *   it under the terms of the GNU Affero Public License as published by
                     15:  *   the Free Software Foundation, either version 3 of the License, or
                     16:  *   (at your option) any later version.
                     17:  *
                     18:  *   FreeM is distributed in the hope that it will be useful,
                     19:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     20:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     21:  *   GNU Affero Public License for more details.
                     22:  *
                     23:  *   You should have received a copy of the GNU Affero Public License
                     24:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     25:  *
1.4     ! snw        26:  *   $Log: cmd_unmap.c,v $
        !            27:  *   Revision 1.3  2025/03/09 19:14:24  snw
        !            28:  *   First phase of REUSE compliance and header reformat
        !            29:  *
1.3       snw        30:  *
                     31:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
                     32:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        33:  **/
                     34: 
                     35: #include <string.h>
                     36: #include <stdlib.h>
                     37: #include "mpsdef.h"
                     38: #include "mcommand.h"
                     39: 
                     40: MRESULT cmd_unmap(MACTION *ra)
                     41: {
                     42:     char mapping_obj[256];
                     43:     char tmp_data[256];
                     44:     char tmp_key[256];
                     45:     
                     46:     if (rtn_dialect () != D_FREEM) {
                     47:         return NOSTAND;
                     48:     }
                     49:     
                     50:     if (is_standard ()) {
                     51:         return NOSTAND;
                     52:     }
                     53:     
                     54:     expr (NAME);
                     55:     if (merr ()) return merr ();
1.4     ! snw        56: 
        !            57:     if (stcmp (varnam, "GLOBAL\201") != 0 && stcmp (varnam, "global\201") != 0 && stcmp (varnam, "ROUTINE\201") != 0 &&  stcmp (varnam, "routine\201") != 0) {
1.1       snw        58:         return ARGLIST;
                     59:     }
                     60:     
                     61:     codptr += 2;
                     62:     
                     63:     expr (NAME);
                     64:     if (merr ()) return merr ();
                     65:     
                     66:     stcpy (mapping_obj, varnam);
                     67:     stcnv_m2c (mapping_obj);
                     68:     
                     69:     snprintf (tmp_key, 255, "^$SYSTEM\202MAPPINGS\202GLOBAL\202%s\201", mapping_obj);
                     70:     global (kill_sym, tmp_key, tmp_data);
                     71:     
                     72:     codptr++;
                     73:     
                     74:     *ra = RA_CONTINUE;
                     75:     return OK;
                     76:     
                     77: }