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Annotation of freem/src/ssvn_routine.c, revision 1.3

1.1       snw         1: /*
1.3     ! snw         2:  *   $Id$
        !             3:  *    ^$ROUTINE ssvn
1.1       snw         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) 2020, 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:  *
1.3     ! snw        26:  *   $Log$
        !            27:  *
        !            28:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
        !            29:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        30:  **/
                     31: 
                     32: #include <stdio.h>
                     33: #include <stdlib.h>
                     34: #include <string.h>
                     35: #include <dirent.h>
                     36: #include <time.h>
                     37: #include <unistd.h>
                     38: #include <sys/types.h>
                     39: #include <sys/stat.h>
                     40: #include <ctype.h>
                     41: #include <errno.h>
                     42: 
                     43: #include "mpsdef.h"
                     44: #include "mref.h"
                     45: 
                     46: 
                     47: void ssvn_routine_add_dir(char *);
                     48: 
                     49: void ssvn_routine_add_dir(char *rtndir)
                     50: {
                     51:     DIR *dir;
                     52:     struct dirent *ent;
                     53:     char filename[STRLEN];
                     54:     char rtnname[256];
                     55:     char *rtnext;
                     56:     
                     57:     char k_buf[512];
                     58:     char d_buf[512];
                     59:     char t_buf[512];
                     60:     
                     61:     dir = opendir (rtndir);
                     62:     while ((ent = readdir (dir)) != NULL) {
                     63: 
                     64:         strncpy (filename, ent->d_name, STRLEN - 1);
                     65: 
                     66:         rtnext = ent->d_name + (strlen (ent->d_name) - 2);
                     67:         
                     68:         if (strcmp (rtnext, ".m") == 0) {
                     69: 
                     70:             strcpy (rtnname, ent->d_name);
                     71:             rtnname[strlen (ent->d_name) - 2] = '\0';
                     72:             
                     73:             snprintf (k_buf, 512 - 1, "^$ROUTINE\202%s\202CHARACTER\201", rtnname);
                     74:             snprintf (d_buf, 512 - 1, "M\201");
                     75:             symtab_bltin (set_sym, k_buf, d_buf);
                     76: 
                     77:             snprintf (k_buf, 512 - 1, "^$ROUTINE\202%s\202NAMESPACE\201", rtnname);
                     78:             if (rtnname[0] == '%') {
                     79:                 snprintf (d_buf, 512 - 1, "SYSTEM\201");
                     80:             }
                     81:             else {
                     82:                 snprintf (d_buf, 512 - 1, "%s\201", nsname);
                     83:             }
                     84: 
                     85:             symtab_bltin (set_sym, k_buf, d_buf);
                     86: 
                     87:             snprintf (k_buf, 512 - 1, "^$ROUTINE\202%s\202PATH\201", rtnname);
                     88: 
                     89:             if (rtnname[0] == '%') {
                     90:                 stcpy (t_buf, rou0plib);
                     91:             }
                     92:             else {
                     93:                 stcpy (t_buf, rou0path);
                     94:             }
                     95: 
                     96:             stcnv_m2c (t_buf);
                     97:             snprintf (d_buf, 512 - 1, "%s/%s\201", t_buf, filename);
                     98: 
                     99:             symtab_bltin (set_sym, k_buf, d_buf);
                    100:             
                    101:         }
                    102: 
                    103:     }
                    104: 
                    105:     closedir (dir);
                    106: 
                    107: }
                    108: 
                    109: void ssvn_routine_update(void)
                    110: {
                    111:     
                    112:     char t_buf[STRLEN];
                    113:     char k_buf[STRLEN];
                    114: 
                    115:     snprintf (k_buf, STRLEN - 1, "^$ROUTINE\201");
                    116:     
                    117:     stcpy (t_buf, rou0path);
                    118:     stcnv_m2c (t_buf);
                    119:     
                    120:     ssvn_routine_add_dir (t_buf);
                    121: 
                    122:     stcpy (t_buf, rou0plib);
                    123:     stcnv_m2c (t_buf);
                    124: 
                    125:     ssvn_routine_add_dir (t_buf);
                    126:     
                    127:     return;
                    128:     
                    129: }
                    130: 
                    131: void ssvn_routine(short action, char *key, char *data)
                    132: {
                    133: 
                    134:     freem_ref_t *r = (freem_ref_t *) malloc (sizeof (freem_ref_t));
                    135:     NULLPTRCHK(r,"ssvn_routine");
                    136: 
                    137:     mref_init (r, MREF_RT_SSV, "^$ROUTINE");
                    138:     internal_to_mref (r, key);
                    139:     
                    140:     ssvn_routine_update ();
                    141: 
                    142:     switch (action) {
                    143: 
                    144:         case get_sym:           
                    145:             
                    146:             symtab_bltin (action, key, data);
                    147:             merr_clear ();
                    148:             goto done;
                    149: 
                    150: 
                    151:         case fra_order:
                    152: 
                    153:             if (r->subscript_count > 2 || r->subscript_count < 1) {
                    154:                 merr_raise (M29);
                    155:                 goto done;
                    156:             }
                    157: 
                    158:             if (r->subscript_count == 1) {
                    159: 
                    160:                 /* likely ordering over routine names only */
                    161:                 symtab_bltin (action, key, data);
                    162: 
                    163:                 merr_clear ();
                    164:                 goto done;
                    165: 
                    166:             }
                    167: 
                    168:             if (r->subscript_count == 2) {
                    169: 
                    170:                 merr_raise (M38);
                    171:                 goto done;
                    172:                 
                    173:             }
                    174:         
                    175:     }
                    176: 
                    177:     
                    178: done:
                    179: 
                    180:     free (r);
                    181:     
                    182:     return;
                    183: }