src/gmxlib/ftocstr.c

   1 /*
   2  *
   3  *                This source code is part of
   4  *
   5  *                 G   R   O   M   A   C   S
   6  *
   7  *          GROningen MAchine for Chemical Simulations
   8  *
   9  *                        VERSION 3.2.0
  10  * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
  11  * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
  12  * Copyright (c) 2001-2004, The GROMACS development team,
  13  * check out http://www.gromacs.org for more information.
  14
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
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  32  * And Hey:
  33  * GROningen Mixture of Alchemy and Childrens' Stories
  34  */
  35 /* This file is completely threadsafe - keep it that way! */
  36 #ifdef HAVE_CONFIG_H
  37 #include <config.h>
  38 #endif
  39
  40 int ftocstr(char *ds, int dl, char *ss, int sl)
  41     /* dst, src ptrs */
  42     /* dst max len */
  43     /* src len */
  44 {
  45     char *p;
  46
  47     p = ss + sl;
  48     while ( --p >= ss && *p == ' ' );
  49     sl = p - ss + 1;
  50     dl--;
  51     ds[0] = 0;
  52     if (sl > dl)
  53       return 1;
  54     while (sl--)
  55       (*ds++ = *ss++);
  56     *ds = '\0';
  57     return 0;
  58 }
  59
  60
  61 int ctofstr(char *ds, int dl, char *ss)
  62      /* dest space */
  63      /* max dest length */
  64      /* src string (0-term) */
  65 {
  66     while (dl && *ss) {
  67         *ds++ = *ss++;
  68         dl--;
  69     }
  70     while (dl--)
  71         *ds++ = ' ';
  72     return 0;
  73 }