concat.h

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@cygnus.com>
  13  *
  14  */
  15
  16 #include <stdarg.h>
  17
  18 /* Pass a null-terminated list of strings, and it concatenates them
  19    into a single string.  Warning - it assumes the result is a file
  20    name or URL, and will canonicalize the result accordingly
  21    (i.e. replace \ with /, collapse multiple /// to a single /, etc.)  */
  22
  23 char *concat (const char *s, ...);
  24 char *vconcat (const char *, va_list);
  25
  26 /* convert slashes to backslashes */
  27
  28 char *backslash (char *s);
  29
  30 /* Used when treating / and \ as equivalent. */
  31 #define SLASH_P(ch) \
  32     ({ \
  33         char __c = (ch); \
  34         ((__c) == '/' || (__c) == '\\'); \
  35     })