lib/gl_xoset.h

   1 /* Abstract ordered set data type, with out-of-memory checking.
   2    Copyright (C) 2009-2020 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2009.
   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_XOSET_H
  19 #define _GL_XOSET_H
  20
  21 #include "gl_oset.h"
  22 #include "xalloc.h"
  23
  24 #ifndef _GL_INLINE_HEADER_BEGIN
  25  #error "Please include config.h first."
  26 #endif
  27 _GL_INLINE_HEADER_BEGIN
  28 #ifndef GL_XOSET_INLINE
  29 # define GL_XOSET_INLINE _GL_INLINE
  30 #endif
  31
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /* These functions are thin wrappers around the corresponding functions with
  38    _nx_ infix from gl_oset.h.  Upon out-of-memory, they invoke xalloc_die (),
  39    instead of returning an error indicator.  */
  40 #if 0 /* These are defined inline below.  */
  41 extern gl_oset_t gl_oset_create_empty (gl_oset_implementation_t implementation,
  42                                        gl_setelement_compar_fn compar_fn,
  43                                        gl_setelement_dispose_fn dispose_fn);
  44 extern bool gl_oset_add (gl_oset_t set, const void *elt);
  45 #endif
  46
  47 GL_XOSET_INLINE gl_oset_t
  48 gl_oset_create_empty (gl_oset_implementation_t implementation,
  49                       gl_setelement_compar_fn compar_fn,
  50                       gl_setelement_dispose_fn dispose_fn)
  51 {
  52   gl_oset_t result =
  53     gl_oset_nx_create_empty (implementation, compar_fn, dispose_fn);
  54   if (result == NULL)
  55     xalloc_die ();
  56   return result;
  57 }
  58
  59 GL_XOSET_INLINE bool
  60 gl_oset_add (gl_oset_t set, const void *elt)
  61 {
  62   int result = gl_oset_nx_add (set, elt);
  63   if (result < 0)
  64     xalloc_die ();
  65   return result;
  66 }
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 _GL_INLINE_HEADER_END
  73
  74 #endif /* _GL_XOSET_H */