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lfind.c 2.3 KB

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  1. /* $Id: lfind.c,v 1.4 2007-01-15 18:40:39 mloskot Exp $ */
  2. /*
  3. * Copyright (c) 1989, 1993
  4. * The Regents of the University of California. All rights reserved.
  5. *
  6. * This code is derived from software contributed to Berkeley by
  7. * Roger L. Snyder.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. * 2. Redistributions in binary form must reproduce the above copyright
  15. * notice, this list of conditions and the following disclaimer in the
  16. * documentation and/or other materials provided with the distribution.
  17. * 3. Neither the name of the University nor the names of its contributors
  18. * may be used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. */
  33. #if 0
  34. static char sccsid[] = "@(#)lsearch.c 8.1 (Berkeley) 6/4/93";
  35. __RCSID("$NetBSD: lsearch.c,v 1.2 2005/07/06 15:47:15 drochner Exp $");
  36. #endif
  37. #ifdef _WIN32_WCE
  38. # include <wce_types.h>
  39. #else
  40. # include <sys/types.h>
  41. #endif
  42. #ifndef NULL
  43. # define NULL 0
  44. #endif
  45. void *
  46. lfind(const void *key, const void *base, size_t *nmemb, size_t size,
  47. int(*compar)(const void *, const void *))
  48. {
  49. char *element, *end;
  50. end = (char *)base + *nmemb * size;
  51. for (element = (char *)base; element < end; element += size)
  52. if (!compar(element, key)) /* key found */
  53. return element;
  54. return NULL;
  55. }