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      1 /* Declarations for missing functions.
      2    Copyright (C) 2019-2026 Free Software Foundation, Inc.
      3 
      4    This file is part of libctf.
      5 
      6    libctf is free software; you can redistribute it and/or modify it under
      7    the terms of the GNU General Public License as published by the Free
      8    Software Foundation; either version 3, or (at your option) any later
      9    version.
     10 
     11    This program is distributed in the hope that it will be useful, but
     12    WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     14    See the GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with this program; see the file COPYING.  If not see
     18    <http://www.gnu.org/licenses/>.  */
     19 
     20 #ifndef _CTF_DECLS_H
     21 #define _CTF_DECLS_H
     22 
     23 #include "config.h"
     24 
     25 #include <stddef.h>
     26 #include <stdlib.h>
     27 #include "libiberty.h"
     28 
     29 #if HAVE_QSORT_R_ARG_LAST
     30 static inline void
     31 ctf_qsort_r (void *base, size_t nmemb, size_t size,
     32 	     int (*compar)(const void *, const void *, void *),
     33 	     void *arg)
     34 {
     35   qsort_r (base, nmemb, size, compar, arg);
     36 }
     37 #elif HAVE_QSORT_R_COMPAR_LAST
     38 struct ctf_qsort_arg
     39 {
     40   int (*compar) (const void *, const void *, void *);
     41   void *arg;
     42 };
     43 
     44 static int
     45 ctf_qsort_compar_thunk (void *arg, const void *a, const void *b)
     46 {
     47   struct ctf_qsort_arg *qsort_arg = (struct ctf_qsort_arg *) arg;
     48 
     49   return qsort_arg->compar (a, b, qsort_arg->arg);
     50 }
     51 
     52 static inline void
     53 ctf_qsort_r (void *base, size_t nmemb, size_t size,
     54 	     int (*compar)(const void *, const void *, void *),
     55 	     void *arg)
     56 {
     57   struct ctf_qsort_arg thunk = { compar, arg };
     58   qsort_r (base, nmemb, size, &thunk, ctf_qsort_compar_thunk);
     59 }
     60 #else
     61 void ctf_qsort_r (void *base, size_t nmemb, size_t size,
     62 	      int (*compar)(const void *, const void *, void *),
     63 	      void *arg);
     64 #endif
     65 
     66 #ifndef HAVE_O_CLOEXEC
     67 # define O_CLOEXEC 0
     68 #endif
     69 
     70 #undef MAX
     71 #undef MIN
     72 #define MAX(a, b) ((a) > (b) ? (a) : (b))
     73 #define MIN(a, b) ((a) < (b) ? (a) : (b))
     74 
     75 #if !HAVE_DECL_STPCPY
     76 extern char *stpcpy (char *, const char *);
     77 #endif
     78 
     79 #endif /* _CTF_DECLS_H */
     80