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Rev | Author | Line No. | Line |
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26 | pmbaty | 1 | /* ACC -- Automatic Compiler Configuration |
2 | |||
3 | Copyright (C) 1996-2004 Markus Franz Xaver Johannes Oberhumer |
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4 | All Rights Reserved. |
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5 | |||
6 | This software is a copyrighted work licensed under the terms of |
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7 | the GNU General Public License. Please consult the file "ACC_LICENSE" |
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8 | for details. |
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9 | |||
10 | Markus F.X.J. Oberhumer |
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11 | <markus@oberhumer.com> |
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12 | http://www.oberhumer.com/ |
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13 | */ |
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14 | |||
15 | |||
16 | #define __ACCLIB_HSTRING_CH_INCLUDED 1 |
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17 | #if !defined(ACCLIB_PUBLIC) |
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18 | # define ACCLIB_PUBLIC(r,f) r __ACCLIB_FUNCNAME(f) |
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19 | #endif |
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20 | |||
21 | |||
22 | /*********************************************************************** |
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23 | // strlen |
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24 | ************************************************************************/ |
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25 | |||
26 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrlen) (const acc_hchar_p s) |
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27 | { |
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28 | /* TODO: which one is the fastest generic version? */ |
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29 | #if 1 |
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30 | const acc_hchar_p start = s; while (*s) ++s; |
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31 | return (acc_hsize_t) (s - start); |
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32 | #elif 1 |
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33 | acc_hsize_t n = 0; while (*s) ++s, ++n; return n; |
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34 | #elif 1 |
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35 | acc_hsize_t n = 0; while (s[n]) ++n; return n; |
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36 | #endif |
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37 | } |
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38 | |||
39 | |||
40 | /*********************************************************************** |
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41 | // strcmp, strncmp, ascii_stricmp, ascii_strnicmp, ascii_memicmp |
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42 | ************************************************************************/ |
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43 | |||
44 | ACCLIB_PUBLIC(int, acc_hstrcmp) (const acc_hchar_p p, const acc_hchar_p s) |
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45 | { |
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46 | for ( ; *p; ++p, ++s) { |
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47 | if (*p != *s) |
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48 | break; |
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49 | } |
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50 | return (unsigned char)*p - (unsigned char)*s; |
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51 | } |
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52 | |||
53 | |||
54 | ACCLIB_PUBLIC(int, acc_hstrncmp) (const acc_hchar_p p, const acc_hchar_p s, acc_hsize_t n) |
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55 | { |
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56 | for ( ; *p && n > 0; ++p, ++s, --n) { |
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57 | if (*p != *s) |
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58 | break; |
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59 | } |
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60 | return (unsigned char)*p - (unsigned char)*s; |
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61 | } |
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62 | |||
63 | |||
64 | ACCLIB_PUBLIC(int, acc_ascii_hstricmp) (const acc_hchar_p p, const acc_hchar_p s) |
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65 | { |
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66 | for ( ; *p; ++p, ++s) { |
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67 | if (*p != *s) { |
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68 | int d = acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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69 | if (d != 0) |
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70 | return d; |
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71 | } |
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72 | } |
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73 | return acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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74 | } |
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75 | |||
76 | |||
77 | ACCLIB_PUBLIC(int, acc_ascii_hstrnicmp) (const acc_hchar_p p, const acc_hchar_p s, acc_hsize_t n) |
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78 | { |
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79 | for ( ; *p && n > 0; ++p, ++s, --n) { |
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80 | if (*p != *s) { |
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81 | int d = acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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82 | if (d != 0) |
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83 | return d; |
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84 | } |
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85 | } |
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86 | return acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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87 | } |
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88 | |||
89 | |||
90 | ACCLIB_PUBLIC(int, acc_ascii_hmemicmp) (const acc_hvoid_p pp, const acc_hvoid_p ss, acc_hsize_t n) |
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91 | { |
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92 | const acc_hbyte_p p = (const acc_hbyte_p) pp; |
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93 | const acc_hbyte_p s = (const acc_hbyte_p) ss; |
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94 | for ( ; n > 0; ++p, ++s, --n) { |
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95 | if (*p != *s) { |
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96 | int d = acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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97 | if (d != 0) |
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98 | return d; |
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99 | } |
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100 | } |
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101 | return acc_ascii_utolower(*p) - acc_ascii_utolower(*s); |
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102 | } |
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103 | |||
104 | |||
105 | /*********************************************************************** |
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106 | // strstr, ascii_stristr, memmem, ascii_memimem |
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107 | ************************************************************************/ |
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108 | |||
109 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrstr) (const acc_hchar_p p, const acc_hchar_p s) |
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110 | { |
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111 | acc_hsize_t pn = __ACCLIB_FUNCNAME(acc_hstrlen)(p); |
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112 | acc_hsize_t sn = __ACCLIB_FUNCNAME(acc_hstrlen)(s); |
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113 | return (acc_hchar_p) __ACCLIB_FUNCNAME(acc_hmemmem)(p, pn, s, sn); |
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114 | } |
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115 | |||
116 | |||
117 | ACCLIB_PUBLIC(acc_hchar_p, acc_ascii_hstristr) (const acc_hchar_p p, const acc_hchar_p s) |
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118 | { |
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119 | acc_hsize_t pn = __ACCLIB_FUNCNAME(acc_hstrlen)(p); |
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120 | acc_hsize_t sn = __ACCLIB_FUNCNAME(acc_hstrlen)(s); |
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121 | return (acc_hchar_p) __ACCLIB_FUNCNAME(acc_ascii_hmemimem)(p, pn, s, sn); |
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122 | } |
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123 | |||
124 | |||
125 | ACCLIB_PUBLIC(acc_hvoid_p, acc_hmemmem) (const acc_hvoid_p p, acc_hsize_t pn, const acc_hvoid_p s, acc_hsize_t sn) |
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126 | { |
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127 | #define __ACCLIB_REQUIRE_HMEMCPY_CH 1 |
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128 | if (sn == 0) __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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129 | for ( ; pn >= sn; --pn) { |
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130 | if (__ACCLIB_FUNCNAME(acc_hmemcmp)(p, s, sn) == 0) |
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131 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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132 | p = (const acc_hbyte_p)p + 1; |
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133 | } |
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134 | return (acc_hvoid_p) 0; |
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135 | } |
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136 | |||
137 | |||
138 | ACCLIB_PUBLIC(acc_hvoid_p, acc_ascii_hmemimem) (const acc_hvoid_p p, acc_hsize_t pn, const acc_hvoid_p s, acc_hsize_t sn) |
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139 | { |
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140 | if (sn == 0) __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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141 | for ( ; pn >= sn; --pn) { |
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142 | if (__ACCLIB_FUNCNAME(acc_ascii_hmemicmp)(p, s, sn) == 0) |
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143 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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144 | p = (const acc_hbyte_p)p + 1; |
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145 | } |
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146 | return (acc_hvoid_p) 0; |
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147 | } |
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148 | |||
149 | |||
150 | /*********************************************************************** |
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151 | // strcpy, strcat |
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152 | ************************************************************************/ |
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153 | |||
154 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrcpy) (acc_hchar_p d, const acc_hchar_p s) |
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155 | { |
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156 | acc_hchar_p dest = d; |
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157 | while ((*d = *s) != 0) { |
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158 | ++d; ++s; |
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159 | } |
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160 | return dest; |
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161 | } |
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162 | |||
163 | |||
164 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrcat) (acc_hchar_p d, const acc_hchar_p s) |
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165 | { |
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166 | acc_hchar_p dest = d; |
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167 | while (*d) ++d; |
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168 | while ((*d = *s) != 0) { |
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169 | ++d; ++s; |
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170 | } |
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171 | return dest; |
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172 | } |
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173 | |||
174 | |||
175 | /*********************************************************************** |
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176 | // strlcpy, strlcat |
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177 | ************************************************************************/ |
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178 | |||
179 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrlcpy) (acc_hchar_p d, const acc_hchar_p s, acc_hsize_t size) |
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180 | { |
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181 | acc_hsize_t n = 0; |
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182 | if (n != size) { |
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183 | do { |
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184 | if ((*d = *s) == 0) return n; |
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185 | ++d; ++s; ++n; |
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186 | } while (n != size); |
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187 | d[-1] = 0; |
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188 | } |
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189 | while (*s) ++s, ++n; |
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190 | return n; |
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191 | } |
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192 | |||
193 | |||
194 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrlcat) (acc_hchar_p d, const acc_hchar_p s, acc_hsize_t size) |
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195 | { |
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196 | acc_hsize_t n = 0; |
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197 | while (*d && n != size) ++d, ++n; |
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198 | if (n != size) { |
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199 | do { |
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200 | if ((*d = *s) == 0) return n; |
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201 | ++d; ++s; ++n; |
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202 | } while (n != size); |
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203 | d[-1] = 0; |
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204 | } |
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205 | while (*s) ++s, ++n; |
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206 | return n; |
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207 | } |
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208 | |||
209 | |||
210 | /*********************************************************************** |
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211 | // strscpy, strscat |
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212 | // (same as strlcpy/strlcat, but just return -1 in case of failure) |
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213 | ************************************************************************/ |
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214 | |||
215 | ACCLIB_PUBLIC(int, acc_hstrscpy) (acc_hchar_p d, const acc_hchar_p s, acc_hsize_t size) |
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216 | { |
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217 | acc_hsize_t n = 0; |
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218 | if (n != size) { |
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219 | do { |
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220 | if ((*d = *s) == 0) return 0; |
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221 | ++d; ++s; ++n; |
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222 | } while (n != size); |
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223 | d[-1] = 0; |
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224 | } |
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225 | return -1; |
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226 | } |
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227 | |||
228 | |||
229 | ACCLIB_PUBLIC(int, acc_hstrscat) (acc_hchar_p d, const acc_hchar_p s, acc_hsize_t size) |
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230 | { |
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231 | acc_hsize_t n = 0; |
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232 | while (*d && n != size) ++d, ++n; |
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233 | if (n != size) { |
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234 | do { |
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235 | if ((*d = *s) == 0) return 0; |
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236 | ++d; ++s; ++n; |
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237 | } while (n != size); |
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238 | d[-1] = 0; |
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239 | } |
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240 | return -1; |
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241 | } |
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242 | |||
243 | |||
244 | /*********************************************************************** |
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245 | // strccpy, memccpy |
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246 | ************************************************************************/ |
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247 | |||
248 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrccpy) (acc_hchar_p d, const acc_hchar_p s, int c) |
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249 | { |
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250 | for (;;) { |
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251 | if ((*d = *s) == 0) break; |
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252 | if (*d++ == (char) c) return d; |
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253 | ++s; |
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254 | } |
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255 | return (acc_hchar_p) 0; |
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256 | } |
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257 | |||
258 | |||
259 | ACCLIB_PUBLIC(acc_hvoid_p, acc_hmemccpy) (acc_hvoid_p d, const acc_hvoid_p s, int c, acc_hsize_t n) |
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260 | { |
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261 | acc_hbyte_p a = (acc_hbyte_p) d; |
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262 | const acc_hbyte_p p = (const acc_hbyte_p) s; |
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263 | const acc_hbyte_p e = (const acc_hbyte_p) s + n; |
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264 | while (p != e) { |
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265 | if ((*a++ = *p++) == (unsigned char) c) |
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266 | return a; |
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267 | } |
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268 | return (acc_hvoid_p) 0; |
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269 | } |
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270 | |||
271 | |||
272 | /*********************************************************************** |
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273 | // strchr, strrchr, ascii_strichr, ascii_strrichr |
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274 | ************************************************************************/ |
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275 | |||
276 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrchr) (const acc_hchar_p s, int c) |
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277 | { |
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278 | for ( ; *s; ++s) { |
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279 | if (*s == (char) c) |
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280 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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281 | } |
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282 | if ((char) c == 0) __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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283 | return (acc_hchar_p) 0; |
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284 | } |
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285 | |||
286 | |||
287 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrrchr) (const acc_hchar_p s, int c) |
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288 | { |
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289 | const acc_hchar_p start = s; |
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290 | while (*s) ++s; |
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291 | if ((char) c == 0) __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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292 | for (;;) { |
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293 | if (s == start) break; --s; |
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294 | if (*s == (char) c) |
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295 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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296 | } |
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297 | return (acc_hchar_p) 0; |
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298 | } |
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299 | |||
300 | |||
301 | ACCLIB_PUBLIC(acc_hchar_p, acc_ascii_hstrichr) (const acc_hchar_p s, int c) |
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302 | { |
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303 | c = acc_ascii_utolower(c); |
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304 | for ( ; *s; ++s) { |
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305 | if (acc_ascii_utolower(*s) == c) |
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306 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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307 | } |
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308 | if (c == 0) __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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309 | return (acc_hchar_p) 0; |
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310 | } |
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311 | |||
312 | |||
313 | ACCLIB_PUBLIC(acc_hchar_p, acc_ascii_hstrrichr) (const acc_hchar_p s, int c) |
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314 | { |
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315 | const acc_hchar_p start = s; |
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316 | c = acc_ascii_utolower(c); |
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317 | while (*s) ++s; |
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318 | if (c == 0) __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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319 | for (;;) { |
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320 | if (s == start) break; --s; |
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321 | if (acc_ascii_utolower(*s) == c) |
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322 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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323 | } |
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324 | return (acc_hchar_p) 0; |
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325 | } |
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326 | |||
327 | |||
328 | /*********************************************************************** |
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329 | // memchr, memrchr, ascii_memichr, ascii_memrichr |
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330 | ************************************************************************/ |
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331 | |||
332 | ACCLIB_PUBLIC(acc_hvoid_p, acc_hmemchr) (const acc_hvoid_p s, int c, acc_hsize_t n) |
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333 | { |
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334 | const acc_hbyte_p p = (const acc_hbyte_p) s; |
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335 | const acc_hbyte_p e = (const acc_hbyte_p) s + n; |
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336 | while (p != e) { |
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337 | if (*p == (unsigned char) c) |
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338 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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339 | ++p; |
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340 | } |
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341 | return (acc_hvoid_p) 0; |
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342 | } |
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343 | |||
344 | |||
345 | ACCLIB_PUBLIC(acc_hvoid_p, acc_hmemrchr) (const acc_hvoid_p s, int c, acc_hsize_t n) |
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346 | { |
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347 | const acc_hbyte_p p = (const acc_hbyte_p) s + n; |
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348 | const acc_hbyte_p e = (const acc_hbyte_p) s; |
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349 | while (p != e) { |
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350 | --p; |
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351 | if (*p == (unsigned char) c) |
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352 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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353 | } |
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354 | return (acc_hvoid_p) 0; |
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355 | } |
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356 | |||
357 | |||
358 | ACCLIB_PUBLIC(acc_hvoid_p, acc_ascii_hmemichr) (const acc_hvoid_p s, int c, acc_hsize_t n) |
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359 | { |
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360 | const acc_hbyte_p p = (const acc_hbyte_p) s; |
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361 | const acc_hbyte_p e = (const acc_hbyte_p) s + n; |
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362 | c = acc_ascii_utolower(c); |
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363 | while (p != e) { |
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364 | if (acc_ascii_utolower(*p) == c) |
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365 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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366 | ++p; |
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367 | } |
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368 | return (acc_hvoid_p) 0; |
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369 | } |
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370 | |||
371 | |||
372 | ACCLIB_PUBLIC(acc_hvoid_p, acc_ascii_hmemrichr) (const acc_hvoid_p s, int c, acc_hsize_t n) |
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373 | { |
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374 | const acc_hbyte_p p = (const acc_hbyte_p) s + n; |
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375 | const acc_hbyte_p e = (const acc_hbyte_p) s; |
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376 | c = acc_ascii_utolower(c); |
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377 | while (p != e) { |
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378 | --p; |
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379 | if (acc_ascii_utolower(*p) == c) |
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380 | __ACCLIB_CONST_CAST_RETURN(acc_hvoid_p, p) |
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381 | } |
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382 | return (acc_hvoid_p) 0; |
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383 | } |
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384 | |||
385 | |||
386 | /*********************************************************************** |
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387 | // strspn, strrspn |
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388 | ************************************************************************/ |
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389 | |||
390 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrspn) (const acc_hchar_p s, const acc_hchar_p accept) |
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391 | { |
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392 | acc_hsize_t n = 0; |
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393 | for ( ; *s; ++s) { |
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394 | const acc_hchar_p a; |
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395 | for (a = accept; *a; ++a) |
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396 | if (*s == *a) |
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397 | goto acc_label_next; |
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398 | break; |
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399 | acc_label_next: |
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400 | ++n; |
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401 | } |
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402 | return n; |
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403 | } |
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404 | |||
405 | |||
406 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrrspn) (const acc_hchar_p s, const acc_hchar_p accept) |
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407 | { |
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408 | acc_hsize_t n = 0; |
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409 | const acc_hchar_p start = s; |
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410 | while (*s) ++s; |
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411 | for (;;) { |
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412 | const acc_hchar_p a; |
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413 | if (s == start) break; --s; |
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414 | for (a = accept; *a; ++a) |
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415 | if (*s == *a) |
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416 | goto acc_label_next; |
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417 | break; |
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418 | acc_label_next: |
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419 | ++n; |
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420 | } |
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421 | return n; |
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422 | } |
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423 | |||
424 | |||
425 | /*********************************************************************** |
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426 | // strcspn, strrcspn |
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427 | ************************************************************************/ |
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428 | |||
429 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrcspn) (const acc_hchar_p s, const acc_hchar_p reject) |
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430 | { |
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431 | acc_hsize_t n = 0; |
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432 | for ( ; *s; ++s, ++n) { |
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433 | const acc_hchar_p r; |
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434 | for (r = reject; *r; ++r) |
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435 | if (*s == *r) |
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436 | return n; |
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437 | } |
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438 | return n; |
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439 | } |
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440 | |||
441 | |||
442 | ACCLIB_PUBLIC(acc_hsize_t, acc_hstrrcspn) (const acc_hchar_p s, const acc_hchar_p reject) |
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443 | { |
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444 | acc_hsize_t n = 0; |
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445 | const acc_hchar_p start = s; |
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446 | while (*s) ++s; |
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447 | for ( ; ; ++n) { |
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448 | const acc_hchar_p r; |
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449 | if (s == start) break; --s; |
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450 | for (r = reject; *r; ++r) |
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451 | if (*s == *r) |
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452 | return n; |
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453 | } |
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454 | return n; |
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455 | } |
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456 | |||
457 | |||
458 | /*********************************************************************** |
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459 | // strpbrk, strrpbrk |
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460 | ************************************************************************/ |
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461 | |||
462 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrpbrk) (const acc_hchar_p s, const acc_hchar_p accept) |
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463 | { |
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464 | for ( ; *s; ++s) { |
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465 | const acc_hchar_p a; |
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466 | for (a = accept; *a; ++a) { |
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467 | if (*s == *a) |
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468 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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469 | } |
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470 | } |
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471 | return (acc_hchar_p) 0; |
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472 | } |
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473 | |||
474 | |||
475 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrrpbrk) (const acc_hchar_p s, const acc_hchar_p accept) |
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476 | { |
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477 | const acc_hchar_p start = s; |
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478 | while (*s) ++s; |
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479 | for (;;) { |
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480 | const acc_hchar_p a; |
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481 | if (s == start) break; --s; |
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482 | for (a = accept; *a; ++a) { |
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483 | if (*s == *a) |
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484 | __ACCLIB_CONST_CAST_RETURN(acc_hchar_p, s) |
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485 | } |
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486 | } |
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487 | return (acc_hchar_p) 0; |
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488 | } |
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489 | |||
490 | |||
491 | /*********************************************************************** |
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492 | // strsep, strrsep |
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493 | ************************************************************************/ |
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494 | |||
495 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrsep) (acc_hchar_pp ss, const acc_hchar_p delim) |
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496 | { |
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497 | acc_hchar_p s = *ss; |
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498 | if (s) { |
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499 | acc_hchar_p p = __ACCLIB_FUNCNAME(acc_hstrpbrk)(s, delim); |
||
500 | if (p) *p++ = 0; |
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501 | *ss = p; |
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502 | } |
||
503 | return s; |
||
504 | } |
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505 | |||
506 | |||
507 | ACCLIB_PUBLIC(acc_hchar_p, acc_hstrrsep) (acc_hchar_pp ss, const acc_hchar_p delim) |
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508 | { |
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509 | acc_hchar_p s = *ss; |
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510 | if (s) { |
||
511 | acc_hchar_p p = __ACCLIB_FUNCNAME(acc_hstrrpbrk)(s, delim); |
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512 | if (p) { |
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513 | *p++ = 0; |
||
514 | return p; |
||
515 | } |
||
516 | *ss = (acc_hchar_p) 0; |
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517 | } |
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518 | return s; |
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519 | } |
||
520 | |||
521 | |||
522 | /*********************************************************************** |
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523 | // ascii_strlwr, ascii_strupr, ascii_memlwr, ascii_memupr |
||
524 | ************************************************************************/ |
||
525 | |||
526 | ACCLIB_PUBLIC(acc_hchar_p, acc_ascii_hstrlwr) (acc_hchar_p s) |
||
527 | { |
||
528 | acc_hbyte_p p = (acc_hbyte_p) s; |
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529 | for ( ; *p; ++p) |
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530 | *p = (unsigned char) acc_ascii_utolower(*p); |
||
531 | return s; |
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532 | } |
||
533 | |||
534 | |||
535 | ACCLIB_PUBLIC(acc_hchar_p, acc_ascii_hstrupr) (acc_hchar_p s) |
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536 | { |
||
537 | acc_hbyte_p p = (acc_hbyte_p) s; |
||
538 | for ( ; *p; ++p) |
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539 | *p = (unsigned char) acc_ascii_utoupper(*p); |
||
540 | return s; |
||
541 | } |
||
542 | |||
543 | |||
544 | ACCLIB_PUBLIC(acc_hvoid_p, acc_ascii_hmemlwr) (acc_hvoid_p s, acc_hsize_t n) |
||
545 | { |
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546 | acc_hbyte_p p = (acc_hbyte_p) s; |
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547 | acc_hbyte_p e = (acc_hbyte_p) s + n; |
||
548 | for ( ; p != e; ++p) |
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549 | *p = (unsigned char) acc_ascii_utolower(*p); |
||
550 | return s; |
||
551 | } |
||
552 | |||
553 | |||
554 | ACCLIB_PUBLIC(acc_hvoid_p, acc_ascii_hmemupr) (acc_hvoid_p s, acc_hsize_t n) |
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555 | { |
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556 | acc_hbyte_p p = (acc_hbyte_p) s; |
||
557 | acc_hbyte_p e = (acc_hbyte_p) s + n; |
||
558 | for ( ; p != e; ++p) |
||
559 | *p = (unsigned char) acc_ascii_utoupper(*p); |
||
560 | return s; |
||
561 | } |
||
562 | |||
563 | |||
564 | /* |
||
565 | vi:ts=4:et |
||
566 | */ |