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 /*_GL_ATTRIBUTE_DEALLOC (gl_oset_free, 1)*/
45 _GL_ATTRIBUTE_RETURNS_NONNULL;
46 extern bool gl_oset_add (gl_oset_t set, const void *elt);
47 #endif
48
49 GL_XOSET_INLINE
50 /*_GL_ATTRIBUTE_DEALLOC (gl_oset_free, 1)*/
51 _GL_ATTRIBUTE_RETURNS_NONNULL
52 gl_oset_t
gl_oset_create_empty(gl_oset_implementation_t implementation,gl_setelement_compar_fn compar_fn,gl_setelement_dispose_fn dispose_fn)53 gl_oset_create_empty (gl_oset_implementation_t implementation,
54 gl_setelement_compar_fn compar_fn,
55 gl_setelement_dispose_fn dispose_fn)
56 {
57 gl_oset_t result =
58 gl_oset_nx_create_empty (implementation, compar_fn, dispose_fn);
59 if (result == NULL)
60 xalloc_die ();
61 return result;
62 }
63
64 GL_XOSET_INLINE bool
gl_oset_add(gl_oset_t set,const void * elt)65 gl_oset_add (gl_oset_t set, const void *elt)
66 {
67 int result = gl_oset_nx_add (set, elt);
68 if (result < 0)
69 xalloc_die ();
70 return result;
71 }
72
73 #ifdef __cplusplus
74 }
75 #endif
76
77 _GL_INLINE_HEADER_END
78
79 #endif /* _GL_XOSET_H */
80