jisx0201.h 1.7 KB

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  1. /*
  2. * Copyright (C) 1999-2001 Free Software Foundation, Inc.
  3. * This file is part of the GNU LIBICONV Library.
  4. *
  5. * The GNU LIBICONV Library is free software; you can redistribute it
  6. * and/or modify it under the terms of the GNU Library General Public
  7. * License as published by the Free Software Foundation; either version 2
  8. * of the License, or (at your option) any later version.
  9. *
  10. * The GNU LIBICONV Library is distributed in the hope that it will be
  11. * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * Library General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU Library General Public
  16. * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17. * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
  18. * Fifth Floor, Boston, MA 02110-1301, USA.
  19. */
  20. /*
  21. * JISX0201.1976-0
  22. */
  23. static int
  24. jisx0201_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  25. {
  26. unsigned char c = *s;
  27. if (c < 0x80) {
  28. if (c == 0x5c)
  29. *pwc = (ucs4_t) 0x00a5;
  30. else if (c == 0x7e)
  31. *pwc = (ucs4_t) 0x203e;
  32. else
  33. *pwc = (ucs4_t) c;
  34. return 1;
  35. } else {
  36. if (c >= 0xa1 && c < 0xe0) {
  37. *pwc = (ucs4_t) c + 0xfec0;
  38. return 1;
  39. }
  40. }
  41. return RET_ILSEQ;
  42. }
  43. static int
  44. jisx0201_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  45. {
  46. if (wc < 0x0080 && !(wc == 0x005c || wc == 0x007e)) {
  47. *r = wc;
  48. return 1;
  49. }
  50. if (wc == 0x00a5) {
  51. *r = 0x5c;
  52. return 1;
  53. }
  54. if (wc == 0x203e) {
  55. *r = 0x7e;
  56. return 1;
  57. }
  58. if (wc >= 0xff61 && wc < 0xffa0) {
  59. *r = wc - 0xfec0;
  60. return 1;
  61. }
  62. return RET_ILUNI;
  63. }