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  1. /*
  2.  * Copyright (c) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup generic
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_STRING_H_
  36. #define KERN_STRING_H_
  37.  
  38. #include <typedefs.h>
  39.  
  40. #define UTF8_NO_LIMIT  ((size_t) -1)
  41.  
  42. extern char invalch;
  43.  
  44. extern wchar_t chr_decode(const char *, size_t *, size_t);
  45. extern bool chr_encode(const wchar_t, char *, size_t *, size_t limit);
  46. extern size_t utf8_count_bytes(const char *str, count_t count);
  47. extern bool ascii_check(const wchar_t ch);
  48. extern bool unicode_check(const wchar_t ch);
  49.  
  50. extern size_t strlen(const char *str);
  51. extern size_t strlen_utf8(const char *str);
  52. extern size_t strlen_utf32(const wchar_t *str);
  53.  
  54. extern int strcmp(const char *src, const char *dst);
  55. extern int strncmp(const char *src, const char *dst, size_t len);
  56. extern void strncpy(char *dest, const char *src, size_t len);
  57.  
  58. extern char *strchr(const char *s, int i);
  59.  
  60. #endif
  61.  
  62. /** @}
  63.  */
  64.