| 1 | /*
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| 2 | * Copyright (c) 2001-2004 Jakub Jermar
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| 3 | * Copyright (c) 2005 Martin Decky
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| 4 | * Copyright (c) 2011 Oleg Romanenko
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * - Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | * - Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | * - The name of the author may not be used to endorse or promote products
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| 17 | * derived from this software without specific prior written permission.
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 29 | */
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| 30 |
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| 31 | /** @addtogroup libc
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| 32 | * @{
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| 33 | */
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| 34 | /** @file
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| 35 | */
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| 36 |
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| 37 | #ifndef LIBC_STR_H_
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| 38 | #define LIBC_STR_H_
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| 39 |
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| 40 | #ifdef __cplusplus
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| 41 | extern "C" {
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| 42 | #endif
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| 43 |
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| 44 | #include <errno.h>
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| 45 | #include <stdbool.h>
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| 46 | #include <stddef.h>
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| 47 | #include <stdint.h>
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| 48 |
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| 49 | #include <mem.h>
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| 50 |
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| 51 | /* Common Unicode characters */
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| 52 | #define U_SPECIAL '?'
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| 53 |
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| 54 | /** No size limit constant */
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| 55 | #define STR_NO_LIMIT ((size_t) -1)
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| 56 |
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| 57 | /** Maximum size of a string containing @c length characters */
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| 58 | #define STR_BOUNDS(length) ((length) << 2)
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| 59 |
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| 60 | /**
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| 61 | * Maximum size of a buffer needed to a string converted from space-padded
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| 62 | * ASCII of size @a spa_size using spascii_to_str().
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| 63 | */
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| 64 | #define SPASCII_STR_BUFSIZE(spa_size) ((spa_size) + 1)
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| 65 |
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| 66 | extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);
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| 67 | extern wchar_t str_decode_reverse(const char *str, size_t *offset, size_t sz);
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| 68 | extern errno_t chr_encode(wchar_t ch, char *str, size_t *offset, size_t sz);
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| 69 |
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| 70 | extern size_t str_size(const char *str);
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| 71 | extern size_t wstr_size(const wchar_t *str);
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| 72 |
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| 73 | extern size_t str_nsize(const char *str, size_t max_size);
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| 74 | extern size_t wstr_nsize(const wchar_t *str, size_t max_size);
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| 75 |
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| 76 | extern size_t str_lsize(const char *str, size_t max_len);
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| 77 | extern size_t wstr_lsize(const wchar_t *str, size_t max_len);
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| 78 |
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| 79 | extern size_t str_length(const char *str);
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| 80 | extern size_t wstr_length(const wchar_t *wstr);
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| 81 |
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| 82 | extern size_t str_nlength(const char *str, size_t size);
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| 83 | extern size_t wstr_nlength(const wchar_t *str, size_t size);
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| 84 |
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| 85 | extern size_t chr_width(wchar_t ch);
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| 86 | extern size_t str_width(const char *str);
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| 87 |
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| 88 | extern bool ascii_check(wchar_t ch);
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| 89 | extern bool chr_check(wchar_t ch);
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| 90 |
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| 91 | extern int str_cmp(const char *s1, const char *s2);
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| 92 | extern int str_lcmp(const char *s1, const char *s2, size_t max_len);
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| 93 | extern int str_casecmp(const char *s1, const char *s2);
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| 94 | extern int str_lcasecmp(const char *s1, const char *s2, size_t max_len);
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| 95 |
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| 96 | extern bool str_test_prefix(const char *s, const char *p);
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| 97 |
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| 98 | extern void str_cpy(char *dest, size_t size, const char *src);
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| 99 | extern void str_ncpy(char *dest, size_t size, const char *src, size_t n);
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| 100 | extern void str_append(char *dest, size_t size, const char *src);
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| 101 |
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| 102 | extern errno_t spascii_to_str(char *dest, size_t size, const uint8_t *src, size_t n);
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| 103 | extern void wstr_to_str(char *dest, size_t size, const wchar_t *src);
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| 104 | extern char *wstr_to_astr(const wchar_t *src);
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| 105 | extern void str_to_wstr(wchar_t *dest, size_t dlen, const char *src);
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| 106 | extern wchar_t *str_to_awstr(const char *src);
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| 107 | extern errno_t utf16_to_str(char *dest, size_t size, const uint16_t *src);
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| 108 | extern errno_t str_to_utf16(uint16_t *dest, size_t dlen, const char *src);
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| 109 | extern size_t utf16_wsize(const uint16_t *ustr);
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| 110 |
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| 111 | extern char *str_chr(const char *str, wchar_t ch);
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| 112 | extern char *str_rchr(const char *str, wchar_t ch);
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| 113 | extern char *str_str(const char *hs, const char *n);
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| 114 |
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| 115 | extern void str_rtrim(char *str, wchar_t ch);
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| 116 | extern void str_ltrim(char *str, wchar_t ch);
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| 117 |
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| 118 | extern bool wstr_linsert(wchar_t *str, wchar_t ch, size_t pos, size_t max_pos);
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| 119 | extern bool wstr_remove(wchar_t *str, size_t pos);
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| 120 |
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| 121 | extern char *str_dup(const char *src);
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| 122 | extern char *str_ndup(const char *src, size_t n);
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| 123 |
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| 124 | extern char *str_tok(char *, const char *, char **);
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| 125 |
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| 126 | extern errno_t str_uint8_t(const char *, const char **, unsigned int, bool,
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| 127 | uint8_t *);
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| 128 | extern errno_t str_uint16_t(const char *, const char **, unsigned int, bool,
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| 129 | uint16_t *);
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| 130 | extern errno_t str_uint32_t(const char *, const char **, unsigned int, bool,
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| 131 | uint32_t *);
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| 132 | extern errno_t str_uint64_t(const char *, const char **, unsigned int, bool,
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| 133 | uint64_t *);
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| 134 | extern errno_t str_size_t(const char *, const char **, unsigned int, bool,
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| 135 | size_t *);
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| 136 | extern int str_int64_t(const char *, const char **, unsigned int, bool,
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| 137 | int64_t *);
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| 138 |
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| 139 | extern void order_suffix(const uint64_t, uint64_t *, char *);
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| 140 | extern void bin_order_suffix(const uint64_t, uint64_t *, const char **, bool);
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| 141 |
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| 142 | /*
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| 143 | * TODO: Get rid of this.
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| 144 | */
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| 145 |
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| 146 | extern long int strtol(const char *, char **, int);
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| 147 | extern unsigned long strtoul(const char *, char **, int);
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| 148 |
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| 149 | #ifdef __cplusplus
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| 150 | }
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| 151 | #endif
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| 152 |
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| 153 | #endif
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| 154 |
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| 155 | /** @}
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| 156 | */
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