1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2: 
   3: /*
   4:   $Header: b0fil.c,v 1.4 85/08/22 16:48:05 timo Exp $
   5: */
   6: 
   7: /* Built-in file names.  Some can be overridden by environment variables. */
   8: /* Only recompilation of this file is necessary when a name is changed.   */
   9: 
  10: #include "b.h"
  11: #include "b0fil.h"
  12: 
  13: #ifdef IBMPC
  14: Visible char *bpermfile= "PERM.BIF";
  15: Visible char *tempfile= "TEMP.BIF";
  16: Visible char *messfile= "\\MESSAGES.BIF";
  17: #else
  18: Visible char *bpermfile= ".b_perm";
  19: Visible char *tempfile= ".@b_temp";
  20: Visible char *messfile= "/usr/local/lib/B/Messages";
  21: #endif
  22: 
  23: #ifndef INTEGRATION
  24: #ifndef BED
  25: #define BED "/usr/local/lib/B/bed +" /* Trailing + if '+lineno' arg. */
  26: #endif
  27: Visible char *editorfile= BED;
  28: #endif
  29: 
  30: Hidden char *setdefault(envname, deflt) char *envname, *deflt; {
  31:     char *p= getenv(envname);
  32:     if (p != NULL && p[0] != '\0') return p;
  33:     return deflt;
  34: }
  35: 
  36: Visible Procedure set_file_names() {
  37:     messfile= setdefault("B_MESSAGES", messfile);
  38: #ifndef INTEGRATION
  39:     editorfile= setdefault("B_EDITOR", setdefault("BEDITOR", editorfile));
  40:     /* BEDITOR used to be the name; officially it's now B_EDITOR */
  41: #endif
  42: }

Defined functions

set_file_names defined in line 36; used 1 times
setdefault defined in line 30; used 3 times

Defined variables

bpermfile defined in line 18; used 1 times
editorfile defined in line 27; used 3 times
messfile defined in line 20; used 3 times

Defined macros

BED defined in line 25; used 2 times
Last modified: 1985-08-27
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