mdw@git.distorted.org.uk Git - mLib/blob - quis.c

   1 /* -*-c-*-
   2  *
   3  * $Id: quis.c,v 1.2 1999/02/28 15:16:29 mdw Exp $
   4  *
   5  * Setting the program name
   6  *
   7  * (c) 1998 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of the mLib utilities library.
  13  *
  14  * mLib is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * mLib is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with mLib; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: quis.c,v $
  32  * Revision 1.2  1999/02/28 15:16:29  mdw
  33  * quis: remove the leading `-' from the name, in case we're invoked as a
  34  * login shell.
  35  *
  36  * Revision 1.1.1.1  1998/06/17 23:44:42  mdw
  37  * Initial version of mLib
  38  *
  39  */
  40
  41 /*----- Header files ------------------------------------------------------*/
  42
  43 #include <stdarg.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <string.h>
  47
  48 #include "quis.h"
  49
  50 /*----- Global variables --------------------------------------------------*/
  51
  52 const char *pn__name = "<UNNAMED>";     /* Program name */
  53
  54 /*----- Functions provided ------------------------------------------------*/
  55
  56 /* --- @quis@ --- *
  57  *
  58  * Arguments:   ---
  59  *
  60  * Returns:     Pointer to the program name.
  61  *
  62  * Use:         Returns the program name.
  63  */
  64
  65 const char *quis(void) { return (QUIS); }
  66
  67 /* --- @ego@ --- *
  68  *
  69  * Arguments:   @const char *p@ = pointer to program name
  70  *
  71  * Returns:     ---
  72  *
  73  * Use:         Tells mLib what the program's name is.
  74  */
  75
  76 #ifndef PATHSEP
  77 #  if defined(__riscos)
  78 #    define PATHSEP '.'
  79 #  elif defined(__unix) || defined(unix)
  80 #    define PATHSEP '/'
  81 #  else
  82 #    define PATHSEP '\\'
  83 #  endif
  84 #endif
  85
  86 void ego(const char *p)
  87 {
  88   const char *q = p;
  89   while (*q) {
  90     if (*q++ == PATHSEP)
  91       p = q;
  92   }
  93   if (*p == '-')
  94     p++;
  95   pn__name = p;
  96 }
  97
  98 /*----- That's all, folks -------------------------------------------------*/