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Make STRLEN 255 chars and add BIGSTR macro for larger buffers

    1: /*
    2:  *   $Id: ssvn_library.c,v 1.4 2025/03/22 18:43:54 snw Exp $
    3:  *    ^$LIBRARY ssvn
    4:  *
    5:  *  
    6:  *   Author: Serena Willis <snw@coherent-logic.com>
    7:  *    Copyright (C) 1998 MUG Deutschland
    8:  *    Copyright (C) 2020, 2023, 2025 Coherent Logic Development LLC
    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:  *
   26:  *   $Log: ssvn_library.c,v $
   27:  *   Revision 1.4  2025/03/22 18:43:54  snw
   28:  *   Make STRLEN 255 chars and add BIGSTR macro for larger buffers
   29:  *
   30:  *   Revision 1.3  2025/03/09 19:50:47  snw
   31:  *   Second phase of REUSE compliance and header reformat
   32:  *
   33:  *
   34:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
   35:  * SPDX-License-Identifier: AGPL-3.0-or-later
   36:  **/
   37: 
   38: #include <stdio.h>
   39: #include <stdlib.h>
   40: #include <string.h>
   41: #include <dirent.h>
   42: #include <time.h>
   43: #include <unistd.h>
   44: #include <sys/types.h>
   45: #include <sys/stat.h>
   46: #include <ctype.h>
   47: #include <errno.h>
   48: 
   49: #include "mpsdef.h"
   50: #include "mref.h"
   51: 
   52: void ssvn_library_add_dir(char *);
   53: 
   54: void ssvn_library_add_dir(char *libdir)
   55: {
   56: 
   57:     DIR *dir;
   58:     struct dirent *ent;
   59:     char filename[PATHLEN];
   60:     char rtnname[256];
   61:     char *rtnext;
   62:     
   63:     char k_buf[512];
   64:     char d_buf[512];
   65:     char t_buf[512];
   66:     register int i;
   67:     
   68:     dir = opendir (libdir);
   69:     while ((ent = readdir (dir)) != NULL) {
   70: 
   71:         strncpy (filename, ent->d_name, PATHLEN);
   72: 
   73:         rtnext = ent->d_name + (strlen (ent->d_name) - 2);
   74:         
   75:         if ((strcmp (rtnext, ".m") == 0) && (strncmp (filename, "%ul", 3) == 0)) {
   76: 
   77:             strcpy (rtnname, ent->d_name + 3);
   78:             rtnname[strlen (ent->d_name) - 5] = '\0';
   79: 
   80:             for (i = 0; i < strlen (rtnname); i++) {
   81:                 if (rtnname[i] >= 'a' && rtnname[i] <= 'z') {
   82:                     rtnname[i] -= 32;
   83:                 }
   84:             }
   85:             
   86:             snprintf (k_buf, 512 - 1, "^$LIBRARY\202%s\201", rtnname);
   87:             snprintf (d_buf, 512 - 1, " \201");
   88:             symtab_bltin (set_sym, k_buf, d_buf);
   89:             
   90:         }
   91: 
   92:     }
   93: 
   94:     closedir (dir);
   95: 
   96: }
   97: 
   98: void ssvn_library_update(void)
   99: {
  100:     char t_buf[PATHLEN];
  101:     
  102:     stcpy (t_buf, rou0plib);
  103:     stcnv_m2c (t_buf);
  104: 
  105:     ssvn_library_add_dir (t_buf);
  106:     
  107:     return;
  108: 
  109: }
  110: 
  111: void ssvn_library(short action, char *key, char *data)
  112: {
  113:     freem_ref_t *r = (freem_ref_t *) malloc (sizeof (freem_ref_t));
  114:     NULLPTRCHK(r,"ssvn_routine");
  115: 
  116:     mref_init (r, MREF_RT_SSV, "^$ROUTINE");
  117:     internal_to_mref (r, key);
  118:     
  119:     ssvn_routine_update ();
  120: 
  121:     switch (action) {
  122: 
  123:         case get_sym:
  124:         case fra_order:
  125:         case fra_query:
  126:         case bigquery:
  127:         case dat:
  128: 
  129:             symtab_bltin (action, key, data);
  130:             goto done;
  131: 
  132:         default:
  133: 
  134:             merr_raise (M38);
  135:             goto done;
  136: 
  137:     }
  138: 
  139: done:
  140:     free (r);
  141: 
  142:     return;
  143: }
  144: