source/texk/web2c/web2c/kps.c

   1 /* Functions copied over from kpathsea library.
   2
   3 Original uppercasify is
   4   Copyright 1993 Karl Berry.
   5
   6 Original xfopen/xfclose are
   7   Copyright 1992, 93, 95 Free Software Foundation, Inc.
   8
   9 Further modifications
  10   Copyright 2004 Olaf Weber.
  11
  12 This library is free software; you can redistribute it and/or
  13 modify it under the terms of the GNU Library General Public
  14 License as published by the Free Software Foundation; either
  15 version 2 of the License, or (at your option) any later version.
  16
  17 This library is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 Library General Public License for more details.
  21
  22 You should have received a copy of the GNU Library General Public
  23 License along with this library; if not, write to the Free Software
  24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25
  26 #include "web2c.h"
  27 #include <kpathsea/c-ctype.h>
  28 /* Get rid of kpathsea debug definitions. */
  29 #undef fopen
  30 #undef fclose
  31
  32 string
  33 uppercasify (const_string s)
  34 {
  35   string target;
  36   string ret = malloc (strlen(s) + 1);
  37
  38   target = ret;
  39   while (*s) {
  40       *target = TOUPPER(*s);
  41       target++;
  42       s++;
  43   }
  44   *target = '\0';
  45
  46   return ret;
  47 }
  48
  49 /* These routines just check the return status from standard library
  50    routines and abort if an error happens.  */
  51
  52 FILE *
  53 xfopen (const_string filename,  const_string mode)
  54 {
  55   FILE *f;
  56
  57   assert (filename && mode);
  58
  59   f = fopen (filename, mode);
  60   if (f == NULL) {
  61     perror(filename);
  62     exit(EXIT_FAILURE);
  63   }
  64
  65   return f;
  66 }
  67
  68
  69 void
  70 xfclose (FILE *f,  const_string filename)
  71 {
  72   assert (f);
  73
  74   if (fclose (f) == EOF) {
  75     perror(filename);
  76     exit(EXIT_FAILURE);
  77   }
  78 }