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  1. /*
  2.  * Copyright (c) 2005 Martin Decky
  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 libc
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef LIBC_STRING_H_
  36. #define LIBC_STRING_H_
  37.  
  38. #include <mem.h>
  39. #include <sys/types.h>
  40. #include <bool.h>
  41.  
  42. #define U_SPECIAL      '?'
  43. #define U_BOM          0xfeff
  44.  
  45. /** No size limit constant */
  46. #define STR_NO_LIMIT  ((size_t) -1)
  47.  
  48. /** Maximum size of a string containing @c length characters */
  49. #define STR_BOUNDS(length)  ((length) << 2)
  50.  
  51. extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);
  52. extern int chr_encode(const wchar_t ch, char *str, size_t *offset, size_t sz);
  53.  
  54. extern size_t str_size(const char *str);
  55. extern size_t wstr_size(const wchar_t *str);
  56.  
  57. extern size_t str_lsize(const char *str, count_t max_len);
  58. extern size_t wstr_lsize(const wchar_t *str, count_t max_len);
  59.  
  60. extern count_t str_length(const char *str);
  61. extern count_t wstr_length(const wchar_t *wstr);
  62.  
  63. extern count_t str_nlength(const char *str, size_t size);
  64. extern count_t wstr_nlength(const wchar_t *str, size_t size);
  65.  
  66. extern bool ascii_check(wchar_t ch);
  67. extern bool chr_check(wchar_t ch);
  68.  
  69. extern int str_cmp(const char *s1, const char *s2);
  70. extern int str_lcmp(const char *s1, const char *s2, count_t max_len);
  71.  
  72. extern void str_cpy(char *dest, size_t size, const char *src);
  73. extern void str_ncpy(char *dest, size_t size, const char *src, size_t n);
  74. extern void str_append(char *dest, size_t size, const char *src);
  75.  
  76. extern void wstr_nstr(char *dst, const wchar_t *src, size_t size);
  77.  
  78. extern const char *str_chr(const char *str, wchar_t ch);
  79. extern const char *str_rchr(const char *str, wchar_t ch);
  80.  
  81. extern bool wstr_linsert(wchar_t *str, wchar_t ch, count_t pos, count_t max_pos);
  82. extern bool wstr_remove(wchar_t *str, count_t pos);
  83.  
  84. extern char *str_dup(const char *);
  85.  
  86. /*
  87.  * TODO: Get rid of this.
  88.  */
  89.  
  90. extern int stricmp(const char *, const char *);
  91.  
  92. extern long int strtol(const char *, char **, int);
  93. extern unsigned long strtoul(const char *, char **, int);
  94.  
  95. extern char * strtok_r(char *, const char *, char **);
  96. extern char * strtok(char *, const char *);
  97.  
  98. #endif
  99.  
  100. /** @}
  101.  */
  102.