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Annotation of freem/src/cmd_unmap.c, revision 1.2

1.1       snw         1: /*
                      2:  *                            *
                      3:  *                           * *
                      4:  *                          *   *
                      5:  *                     ***************
                      6:  *                      * *       * *
                      7:  *                       *  MUMPS  *
                      8:  *                      * *       * *
                      9:  *                     ***************
                     10:  *                          *   *
                     11:  *                           * *
                     12:  *                            *
                     13:  *
                     14:  *   cmd_unmap.c
                     15:  *    Implementation of the UNMAP command
                     16:  *
                     17:  *  
1.2     ! snw        18:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw        19:  *    Copyright (C) 1998 MUG Deutschland
                     20:  *    Copyright (C) 2023 Coherent Logic Development LLC
                     21:  *
                     22:  *
                     23:  *   This file is part of FreeM.
                     24:  *
                     25:  *   FreeM is free software: you can redistribute it and/or modify
                     26:  *   it under the terms of the GNU Affero Public License as published by
                     27:  *   the Free Software Foundation, either version 3 of the License, or
                     28:  *   (at your option) any later version.
                     29:  *
                     30:  *   FreeM is distributed in the hope that it will be useful,
                     31:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     32:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     33:  *   GNU Affero Public License for more details.
                     34:  *
                     35:  *   You should have received a copy of the GNU Affero Public License
                     36:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     37:  *
                     38:  **/
                     39: 
                     40: #include <string.h>
                     41: #include <stdlib.h>
                     42: #include "mpsdef.h"
                     43: #include "mcommand.h"
                     44: 
                     45: MRESULT cmd_unmap(MACTION *ra)
                     46: {
                     47:     char mapping_type;
                     48:     char mapping_obj[256];
                     49:     char tmp_data[256];
                     50:     char tmp_key[256];
                     51:     
                     52:     if (rtn_dialect () != D_FREEM) {
                     53:         return NOSTAND;
                     54:     }
                     55:     
                     56:     if (is_standard ()) {
                     57:         return NOSTAND;
                     58:     }
                     59:     
                     60:     expr (NAME);
                     61:     if (merr ()) return merr ();
                     62:     
                     63:     if (stcmp (varnam, "GLOBAL\201") == 0 || stcmp (varnam, "global\201") == 0) {
                     64:         mapping_type = 'g';
                     65:     }
                     66:     else if (stcmp (varnam, "ROUTINE\201") == 0 ||  stcmp (varnam, "routine\201") == 0) {
                     67:         mapping_type = 'r';
                     68:         return ARGLIST;
                     69:     }
                     70:     else {
                     71:         return ARGLIST;
                     72:     }
                     73:     
                     74:     codptr += 2;
                     75:     
                     76:     expr (NAME);
                     77:     if (merr ()) return merr ();
                     78:     
                     79:     stcpy (mapping_obj, varnam);
                     80:     stcnv_m2c (mapping_obj);
                     81:     
                     82:     snprintf (tmp_key, 255, "^$SYSTEM\202MAPPINGS\202GLOBAL\202%s\201", mapping_obj);
                     83:     global (kill_sym, tmp_key, tmp_data);
                     84:     
                     85:     codptr++;
                     86:     
                     87:     *ra = RA_CONTINUE;
                     88:     return OK;
                     89:     
                     90: }