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utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git

tr_str.h (2306B)


  1. // SPDX-License-Identifier: BSD-3-Clause
  2. /* $OpenBSD: extern.h,v 1.6 2003/06/03 02:56:20 millert Exp $ */
  3. /* $NetBSD: extern.h,v 1.4 1995/11/01 00:45:22 pk Exp $ */
  4. /*-
  5. * Copyright (c) 1991, 1993
  6. * The Regents of the University of California. All rights reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions
  10. * are met:
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in the
  15. * documentation and/or other materials provided with the distribution.
  16. * 3. Neither the name of the University nor the names of its contributors
  17. * may be used to endorse or promote products derived from this software
  18. * without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30. * SUCH DAMAGE.
  31. *
  32. * @(#)extern.h 8.1 (Berkeley) 6/6/93
  33. */
  34. typedef struct
  35. {
  36. enum
  37. {
  38. STRING1,
  39. STRING2
  40. } which;
  41. enum
  42. {
  43. EOS,
  44. INFINITE,
  45. NORMAL,
  46. RANGE,
  47. SEQUENCE,
  48. SET
  49. } state;
  50. int cnt; /* character count */
  51. int lastch; /* last character */
  52. int equiv[2]; /* equivalence set */
  53. int *set; /* set of characters */
  54. unsigned char *str; /* user's string */
  55. } STR;
  56. #include <limits.h>
  57. #define NCHARS (UCHAR_MAX + 1) /* Number of possible characters. */
  58. #define OOBCH (UCHAR_MAX + 1) /* Out of band character value. */
  59. int next(STR *);