newlib/winsup/mingw/include/search.h
Danny Smith e54e4d47f1 Add POSIX binary tree search API.
* mingwex/tfind.c: New file.
	* mingwex/tdelete.c: New file.
	* mingwex/tsearch.c: New file.
	* mingwex/twalk.c: New file.
	* mingwex/Makefile.in (DISTFILES): Add tsearch.c twalk.c tdelete.c tfind.c.
	* mingwex/Makefile.in (POSIX_OBJS): Add tsearch.o twalk.o tdelete.o tfind.o.
	* include/search.h (tfind): Declare.
	(tdelete): Declare.
	(tsearch): Declare.
	(twalk): Declare.
	(ENTRY): Define.
	(ACTION): Define.
	(VISIT): Define.
	(node_t): Define, on condition of _SEARCH_PRIVATE.
2007-06-22 10:09:20 +00:00

107 lines
2.7 KiB
C

/*
* search.h
*
* Functions for searching and sorting.
*
* This file is part of the Mingw32 package.
*
* Contributors:
* Created by Danny Smith <dannysmith@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef _SEARCH_H_
#define _SEARCH_H_
/* All the headers include this file. */
#include <_mingw.h>
#ifndef RC_INVOKED
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif
/* bsearch and qsort are also declared in stdlib.h */
_CRTIMP void* __cdecl bsearch (const void*, const void*, size_t, size_t,
int (*)(const void*, const void*));
_CRTIMP void __cdecl qsort (void*, size_t, size_t,
int (*)(const void*, const void*));
_CRTIMP void* __cdecl _lfind (const void*, const void*, unsigned int*,
unsigned int, int (*)(const void*, const void*));
_CRTIMP void* __cdecl _lsearch (const void*, void*, unsigned int*, unsigned int,
int (*)(const void*, const void*));
/*
Documentation for these POSIX definitions and prototypes can be found in
The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition.
eg: http://www.opengroup.org/onlinepubs/009695399/functions/twalk.html
*/
typedef struct entry {
char *key;
void *data;
} ENTRY;
typedef enum {
FIND,
ENTER
} ACTION;
typedef enum {
preorder,
postorder,
endorder,
leaf
} VISIT;
#ifdef _SEARCH_PRIVATE
typedef struct node {
char *key;
struct node *llink, *rlink;
} node_t;
#endif
void * __cdecl tdelete (const void * __restrict__, void ** __restrict__,
int (*)(const void *, const void *))
__MINGW_ATTRIB_NONNULL (1) __MINGW_ATTRIB_NONNULL (3);
void * __cdecl tfind (const void *, void * const *,
int (*)(const void *, const void *))
__MINGW_ATTRIB_NONNULL (1) __MINGW_ATTRIB_NONNULL (3);
void * __cdecl tsearch (const void *, void **,
int (*)(const void *, const void *))
__MINGW_ATTRIB_NONNULL (1) __MINGW_ATTRIB_NONNULL (3);
void __cdecl twalk (const void *, void (*)(const void *, VISIT, int));
#ifndef _NO_OLDNAMES
_CRTIMP void* __cdecl lfind (const void*, const void*, unsigned int*,
unsigned int, int (*)(const void*, const void*));
_CRTIMP void* __cdecl lsearch (const void*, void*, unsigned int*, unsigned int,
int (*)(const void*, const void*));
#endif
#ifdef __cplusplus
}
#endif
#endif /* RC_INVOKED */
#endif /* _SEARCH_H_ */