lib/readline.h

   1 /* readline.h --- Simple implementation of readline.
   2    Copyright (C) 2005, 2009-2024 Free Software Foundation, Inc.
   3    Written by Simon Josefsson
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation, either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #ifndef GL_READLINE_H
  19 #define GL_READLINE_H
  20
  21 /* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_READLINE_READLINE_H.  */
  22 #if !_GL_CONFIG_H_INCLUDED
  23  #error "Please include config.h first."
  24 #endif
  25
  26 #if HAVE_READLINE_READLINE_H
  27 /* <readline/readline.h> makes use of the FILE type without including
  28    <stdio.h> itself. */
  29 # include <stdio.h>
  30 # include <readline/readline.h>
  31 #else
  32 # include <stdlib.h>
  33 /* Prints a prompt PROMPT and then reads and returns a single line of
  34    text from the user.  If PROMPT is NULL or the empty string, no
  35    prompt is displayed.  The returned line is allocated with malloc;
  36    the caller should free the line when it has finished with it. */
  37 extern char *readline (const char *prompt)
  38   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
  39 #endif
  40
  41 #endif /* GL_READLINE_H */