/* A GNU-like . Copyright (C) 2007-2022 Free Software Foundation, Inc. This file is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ #ifndef _@GUARD_PREFIX@_SEARCH_H #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif @PRAGMA_COLUMNS@ /* The include_next requires a split double-inclusion guard. */ #if @HAVE_SEARCH_H@ # @INCLUDE_NEXT@ @NEXT_SEARCH_H@ #endif #ifndef _@GUARD_PREFIX@_SEARCH_H #define _@GUARD_PREFIX@_SEARCH_H /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ /* The definition of _GL_ARG_NONNULL is copied here. */ /* The definition of _GL_WARN_ON_USE is copied here. */ #ifdef __cplusplus extern "C" { #endif #if !GNULIB_defined_lsearch_fn_types typedef int (*_gl_lsearch_compar_fn) (const void *, const void *); # define GNULIB_defined_lsearch_fn_types 1 #endif #ifdef __cplusplus } #endif #if @GNULIB_MDA_LFIND@ /* On native Windows, map 'lfind' to '_lfind', so that -loldnames is not required. In C++ with GNULIB_NAMESPACE, avoid differences between platforms by defining GNULIB_NAMESPACE::lfind always. */ # if defined _WIN32 && !defined __CYGWIN__ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lfind # define lfind _lfind # endif _GL_CXXALIAS_MDA (lfind, void *, (const void *key, const void *base, unsigned int *nmemb, unsigned int size, _gl_lsearch_compar_fn compar)); # else _GL_CXXALIAS_SYS (lfind, void *, (const void *key, const void *base, size_t *nmemb, size_t size, _gl_lsearch_compar_fn compar)); # endif _GL_CXXALIASWARN (lfind); #endif #if @GNULIB_MDA_LSEARCH@ /* On native Windows, map 'lsearch' to '_lsearch', so that -loldnames is not required. In C++ with GNULIB_NAMESPACE, avoid differences between platforms by defining GNULIB_NAMESPACE::lsearch always. */ # if defined _WIN32 && !defined __CYGWIN__ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lsearch # define lsearch _lsearch # endif _GL_CXXALIAS_MDA (lsearch, void *, (const void *key, void *base, unsigned int *nmemb, unsigned int size, _gl_lsearch_compar_fn compar)); # else _GL_CXXALIAS_SYS (lsearch, void *, (const void *key, void *base, size_t *nmemb, size_t size, _gl_lsearch_compar_fn compar)); # endif _GL_CXXALIASWARN (lsearch); #endif #if @GNULIB_TSEARCH@ # if @REPLACE_TSEARCH@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define tsearch rpl_tsearch # define tfind rpl_tfind # define tdelete rpl_tdelete # define twalk rpl_twalk # endif # endif /* See for details. */ # if !@HAVE_TYPE_VISIT@ # if !GNULIB_defined_search_types typedef enum { preorder, postorder, endorder, leaf } VISIT; # define GNULIB_defined_search_types 1 # endif # endif # ifdef __cplusplus extern "C" { # endif # if !GNULIB_defined_search_fn_types typedef int (*_gl_search_compar_fn) (const void *, const void *); typedef void (*_gl_search_action_fn) (const void *, VISIT, int); # define GNULIB_defined_search_fn_types 1 # endif # ifdef __cplusplus } # endif /* Searches an element in the tree *VROOTP that compares equal to KEY. If one is found, it is returned. Otherwise, a new element equal to KEY is inserted in the tree and is returned. */ # if @REPLACE_TSEARCH@ _GL_FUNCDECL_RPL (tsearch, void *, (const void *key, void **vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); _GL_CXXALIAS_RPL (tsearch, void *, (const void *key, void **vrootp, _gl_search_compar_fn compar)); # else # if !@HAVE_TSEARCH@ _GL_FUNCDECL_SYS (tsearch, void *, (const void *key, void **vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); # endif _GL_CXXALIAS_SYS (tsearch, void *, (const void *key, void **vrootp, _gl_search_compar_fn compar)); # endif _GL_CXXALIASWARN (tsearch); /* Searches an element in the tree *VROOTP that compares equal to KEY. If one is found, it is returned. Otherwise, NULL is returned. */ # if @REPLACE_TSEARCH@ _GL_FUNCDECL_RPL (tfind, void *, (const void *key, void *const *vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); _GL_CXXALIAS_RPL (tfind, void *, (const void *key, void *const *vrootp, _gl_search_compar_fn compar)); # else # if !@HAVE_TSEARCH@ _GL_FUNCDECL_SYS (tfind, void *, (const void *key, void *const *vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); # endif /* Need to cast, because on Cygwin 1.5.x systems, the second parameter is void **vrootp. */ _GL_CXXALIAS_SYS_CAST (tfind, void *, (const void *key, void *const *vrootp, _gl_search_compar_fn compar)); # endif _GL_CXXALIASWARN (tfind); /* Searches an element in the tree *VROOTP that compares equal to KEY. If one is found, it is removed from the tree, and its parent node is returned. Otherwise, NULL is returned. */ # if @REPLACE_TSEARCH@ _GL_FUNCDECL_RPL (tdelete, void *, (const void *restrict key, void **restrict vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); _GL_CXXALIAS_RPL (tdelete, void *, (const void *restrict key, void **restrict vrootp, _gl_search_compar_fn compar)); # else # if !@HAVE_TSEARCH@ _GL_FUNCDECL_SYS (tdelete, void *, (const void *restrict key, void **restrict vrootp, _gl_search_compar_fn compar) _GL_ARG_NONNULL ((1, 2, 3))); # endif _GL_CXXALIAS_SYS (tdelete, void *, (const void *restrict key, void **restrict vrootp, _gl_search_compar_fn compar)); # endif _GL_CXXALIASWARN (tdelete); /* Perform a depth-first, left-to-right traversal of the tree VROOT. The ACTION function is called: - for non-leaf nodes: 3 times, before the left subtree traversal, after the left subtree traversal but before the right subtree traversal, and after the right subtree traversal, - for leaf nodes: once. The arguments passed to ACTION are: 1. the node; it can be cast to a 'const void * const *', i.e. into a pointer to the key, 2. an indicator which visit of the node this is, 3. the level of the node in the tree (0 for the root). */ # if @REPLACE_TSEARCH@ _GL_FUNCDECL_RPL (twalk, void, (const void *vroot, _gl_search_action_fn action) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (twalk, void, (const void *vroot, _gl_search_action_fn action)); # else # if !@HAVE_TWALK@ _GL_FUNCDECL_SYS (twalk, void, (const void *vroot, _gl_search_action_fn action) _GL_ARG_NONNULL ((2))); # endif _GL_CXXALIAS_SYS (twalk, void, (const void *vroot, _gl_search_action_fn action)); # endif _GL_CXXALIASWARN (twalk); /* Flags used by tsearch.c. */ # define GNULIB_defined_tsearch (@REPLACE_TSEARCH@ || !@HAVE_TSEARCH@) # define GNULIB_defined_twalk (@REPLACE_TSEARCH@ || !@HAVE_TWALK@) #elif defined GNULIB_POSIXCHECK # undef tsearch # if HAVE_RAW_DECL_TSEARCH _GL_WARN_ON_USE (tsearch, "tsearch is unportable - " "use gnulib module tsearch for portability"); # endif # undef tfind # if HAVE_RAW_DECL_TFIND _GL_WARN_ON_USE (tfind, "tfind is unportable - " "use gnulib module tsearch for portability"); # endif # undef tdelete # if HAVE_RAW_DECL_TDELETE _GL_WARN_ON_USE (tdelete, "tdelete is unportable - " "use gnulib module tsearch for portability"); # endif # undef twalk # if HAVE_RAW_DECL_TWALK _GL_WARN_ON_USE (twalk, "twalk is unportable - " "use gnulib module tsearch for portability"); # endif #endif #endif /* _@GUARD_PREFIX@_SEARCH_H */ #endif /* _@GUARD_PREFIX@_SEARCH_H */