(root)/
m4-1.4.19/
lib/
gl_xoset.h
       1  /* Abstract ordered set data type, with out-of-memory checking.
       2     Copyright (C) 2009-2021 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 */