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

1.1       snw         1: /*
1.4     ! snw         2:  *   $Id: ssvn_routine.c,v 1.3 2025/03/09 19:50:47 snw Exp $
1.3       snw         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:  *
1.4     ! snw        26:  *   $Log: ssvn_routine.c,v $
        !            27:  *   Revision 1.3  2025/03/09 19:50:47  snw
        !            28:  *   Second 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 <stdio.h>
                     36: #include <stdlib.h>
                     37: #include <string.h>
                     38: #include <dirent.h>
                     39: #include <time.h>
                     40: #include <unistd.h>
                     41: #include <sys/types.h>
                     42: #include <sys/stat.h>
                     43: #include <ctype.h>
                     44: #include <errno.h>
                     45: 
                     46: #include "mpsdef.h"
                     47: #include "mref.h"
                     48: 
                     49: 
                     50: void ssvn_routine_add_dir(char *);
                     51: 
                     52: void ssvn_routine_add_dir(char *rtndir)
                     53: {
                     54:     DIR *dir;
                     55:     struct dirent *ent;
1.4     ! snw        56:     char filename[PATHLEN];
        !            57:     char rtnname[PATHLEN];
1.1       snw        58:     char *rtnext;
                     59:     
1.4     ! snw        60:     char k_buf[STRLEN];
        !            61:     char d_buf[STRLEN];
        !            62:     char t_buf[STRLEN];
1.1       snw        63:     
                     64:     dir = opendir (rtndir);
                     65:     while ((ent = readdir (dir)) != NULL) {
                     66: 
1.4     ! snw        67:         strncpy (filename, ent->d_name, PATHLEN);
1.1       snw        68: 
                     69:         rtnext = ent->d_name + (strlen (ent->d_name) - 2);
                     70:         
                     71:         if (strcmp (rtnext, ".m") == 0) {
                     72: 
                     73:             strcpy (rtnname, ent->d_name);
                     74:             rtnname[strlen (ent->d_name) - 2] = '\0';
                     75:             
1.4     ! snw        76:             snprintf (k_buf, STRLEN, "^$ROUTINE\202%s\202CHARACTER\201", rtnname);
        !            77:             snprintf (d_buf, STRLEN, "M\201");
1.1       snw        78:             symtab_bltin (set_sym, k_buf, d_buf);
                     79: 
1.4     ! snw        80:             snprintf (k_buf, STRLEN, "^$ROUTINE\202%s\202NAMESPACE\201", rtnname);
1.1       snw        81:             if (rtnname[0] == '%') {
1.4     ! snw        82:                 snprintf (d_buf, STRLEN, "SYSTEM\201");
1.1       snw        83:             }
                     84:             else {
1.4     ! snw        85:                 snprintf (d_buf, STRLEN, "%s\201", nsname);
1.1       snw        86:             }
                     87: 
                     88:             symtab_bltin (set_sym, k_buf, d_buf);
                     89: 
1.4     ! snw        90:             snprintf (k_buf, STRLEN, "^$ROUTINE\202%s\202PATH\201", rtnname);
1.1       snw        91: 
                     92:             if (rtnname[0] == '%') {
                     93:                 stcpy (t_buf, rou0plib);
                     94:             }
                     95:             else {
                     96:                 stcpy (t_buf, rou0path);
                     97:             }
                     98: 
                     99:             stcnv_m2c (t_buf);
1.4     ! snw       100:             snprintf (d_buf, STRLEN, "%s/%s\201", t_buf, filename);
1.1       snw       101: 
                    102:             symtab_bltin (set_sym, k_buf, d_buf);
                    103:             
                    104:         }
                    105: 
                    106:     }
                    107: 
                    108:     closedir (dir);
                    109: 
                    110: }
                    111: 
                    112: void ssvn_routine_update(void)
                    113: {
                    114:     
                    115:     char t_buf[STRLEN];
                    116:     char k_buf[STRLEN];
                    117: 
                    118:     snprintf (k_buf, STRLEN - 1, "^$ROUTINE\201");
                    119:     
                    120:     stcpy (t_buf, rou0path);
                    121:     stcnv_m2c (t_buf);
                    122:     
                    123:     ssvn_routine_add_dir (t_buf);
                    124: 
                    125:     stcpy (t_buf, rou0plib);
                    126:     stcnv_m2c (t_buf);
                    127: 
                    128:     ssvn_routine_add_dir (t_buf);
                    129:     
                    130:     return;
                    131:     
                    132: }
                    133: 
                    134: void ssvn_routine(short action, char *key, char *data)
                    135: {
                    136: 
                    137:     freem_ref_t *r = (freem_ref_t *) malloc (sizeof (freem_ref_t));
                    138:     NULLPTRCHK(r,"ssvn_routine");
                    139: 
                    140:     mref_init (r, MREF_RT_SSV, "^$ROUTINE");
                    141:     internal_to_mref (r, key);
                    142:     
                    143:     ssvn_routine_update ();
                    144: 
                    145:     switch (action) {
                    146: 
                    147:         case get_sym:           
                    148:             
                    149:             symtab_bltin (action, key, data);
                    150:             merr_clear ();
                    151:             goto done;
                    152: 
                    153: 
                    154:         case fra_order:
                    155: 
                    156:             if (r->subscript_count > 2 || r->subscript_count < 1) {
                    157:                 merr_raise (M29);
                    158:                 goto done;
                    159:             }
                    160: 
                    161:             if (r->subscript_count == 1) {
                    162: 
                    163:                 /* likely ordering over routine names only */
                    164:                 symtab_bltin (action, key, data);
                    165: 
                    166:                 merr_clear ();
                    167:                 goto done;
                    168: 
                    169:             }
                    170: 
                    171:             if (r->subscript_count == 2) {
                    172: 
                    173:                 merr_raise (M38);
                    174:                 goto done;
                    175:                 
                    176:             }
                    177:         
                    178:     }
                    179: 
                    180:     
                    181: done:
                    182: 
                    183:     free (r);
                    184:     
                    185:     return;
                    186: }