| 111 |
if (length < 0) |
if (length < 0) |
| 112 |
{ |
{ |
| 113 |
for (p = string; *p != 0; p++); |
for (p = string; *p != 0; p++); |
| 114 |
length = (int)(p - string); |
length = p - string; |
| 115 |
} |
} |
| 116 |
|
|
| 117 |
for (p = string; length-- > 0; p++) |
for (p = string; length-- > 0; p++) |
| 123 |
|
|
| 124 |
if (c < 0xc0) /* Isolated 10xx xxxx byte */ |
if (c < 0xc0) /* Isolated 10xx xxxx byte */ |
| 125 |
{ |
{ |
| 126 |
*erroroffset = (int)(p - string); |
*erroroffset = p - string; |
| 127 |
return PCRE_UTF8_ERR20; |
return PCRE_UTF8_ERR20; |
| 128 |
} |
} |
| 129 |
|
|
| 130 |
if (c >= 0xfe) /* Invalid 0xfe or 0xff bytes */ |
if (c >= 0xfe) /* Invalid 0xfe or 0xff bytes */ |
| 131 |
{ |
{ |
| 132 |
*erroroffset = (int)(p - string); |
*erroroffset = p - string; |
| 133 |
return PCRE_UTF8_ERR21; |
return PCRE_UTF8_ERR21; |
| 134 |
} |
} |
| 135 |
|
|
| 136 |
ab = _pcre_utf8_table4[c & 0x3f]; /* Number of additional bytes */ |
ab = _pcre_utf8_table4[c & 0x3f]; /* Number of additional bytes */ |
| 137 |
if (length < ab) |
if (length < ab) |
| 138 |
{ |
{ |
| 139 |
*erroroffset = (int)(p - string); /* Missing bytes */ |
*erroroffset = p - string; /* Missing bytes */ |
| 140 |
return ab - length; /* Codes ERR1 to ERR5 */ |
return ab - length; /* Codes ERR1 to ERR5 */ |
| 141 |
} |
} |
| 142 |
length -= ab; /* Length remaining */ |
length -= ab; /* Length remaining */ |
| 145 |
|
|
| 146 |
if (((d = *(++p)) & 0xc0) != 0x80) |
if (((d = *(++p)) & 0xc0) != 0x80) |
| 147 |
{ |
{ |
| 148 |
*erroroffset = (int)(p - string) - 1; |
*erroroffset = p - string - 1; |
| 149 |
return PCRE_UTF8_ERR6; |
return PCRE_UTF8_ERR6; |
| 150 |
} |
} |
| 151 |
|
|
| 160 |
|
|
| 161 |
case 1: if ((c & 0x3e) == 0) |
case 1: if ((c & 0x3e) == 0) |
| 162 |
{ |
{ |
| 163 |
*erroroffset = (int)(p - string) - 1; |
*erroroffset = p - string - 1; |
| 164 |
return PCRE_UTF8_ERR15; |
return PCRE_UTF8_ERR15; |
| 165 |
} |
} |
| 166 |
break; |
break; |
| 172 |
case 2: |
case 2: |
| 173 |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
| 174 |
{ |
{ |
| 175 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 176 |
return PCRE_UTF8_ERR7; |
return PCRE_UTF8_ERR7; |
| 177 |
} |
} |
| 178 |
if (c == 0xe0 && (d & 0x20) == 0) |
if (c == 0xe0 && (d & 0x20) == 0) |
| 179 |
{ |
{ |
| 180 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 181 |
return PCRE_UTF8_ERR16; |
return PCRE_UTF8_ERR16; |
| 182 |
} |
} |
| 183 |
if (c == 0xed && d >= 0xa0) |
if (c == 0xed && d >= 0xa0) |
| 184 |
{ |
{ |
| 185 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 186 |
return PCRE_UTF8_ERR14; |
return PCRE_UTF8_ERR14; |
| 187 |
} |
} |
| 188 |
break; |
break; |
| 194 |
case 3: |
case 3: |
| 195 |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
| 196 |
{ |
{ |
| 197 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 198 |
return PCRE_UTF8_ERR7; |
return PCRE_UTF8_ERR7; |
| 199 |
} |
} |
| 200 |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
| 201 |
{ |
{ |
| 202 |
*erroroffset = (int)(p - string) - 3; |
*erroroffset = p - string - 3; |
| 203 |
return PCRE_UTF8_ERR8; |
return PCRE_UTF8_ERR8; |
| 204 |
} |
} |
| 205 |
if (c == 0xf0 && (d & 0x30) == 0) |
if (c == 0xf0 && (d & 0x30) == 0) |
| 206 |
{ |
{ |
| 207 |
*erroroffset = (int)(p - string) - 3; |
*erroroffset = p - string - 3; |
| 208 |
return PCRE_UTF8_ERR17; |
return PCRE_UTF8_ERR17; |
| 209 |
} |
} |
| 210 |
if (c > 0xf4 || (c == 0xf4 && d > 0x8f)) |
if (c > 0xf4 || (c == 0xf4 && d > 0x8f)) |
| 211 |
{ |
{ |
| 212 |
*erroroffset = (int)(p - string) - 3; |
*erroroffset = p - string - 3; |
| 213 |
return PCRE_UTF8_ERR13; |
return PCRE_UTF8_ERR13; |
| 214 |
} |
} |
| 215 |
break; |
break; |
| 225 |
case 4: |
case 4: |
| 226 |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
| 227 |
{ |
{ |
| 228 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 229 |
return PCRE_UTF8_ERR7; |
return PCRE_UTF8_ERR7; |
| 230 |
} |
} |
| 231 |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
| 232 |
{ |
{ |
| 233 |
*erroroffset = (int)(p - string) - 3; |
*erroroffset = p - string - 3; |
| 234 |
return PCRE_UTF8_ERR8; |
return PCRE_UTF8_ERR8; |
| 235 |
} |
} |
| 236 |
if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */ |
| 237 |
{ |
{ |
| 238 |
*erroroffset = (int)(p - string) - 4; |
*erroroffset = p - string - 4; |
| 239 |
return PCRE_UTF8_ERR9; |
return PCRE_UTF8_ERR9; |
| 240 |
} |
} |
| 241 |
if (c == 0xf8 && (d & 0x38) == 0) |
if (c == 0xf8 && (d & 0x38) == 0) |
| 242 |
{ |
{ |
| 243 |
*erroroffset = (int)(p - string) - 4; |
*erroroffset = p - string - 4; |
| 244 |
return PCRE_UTF8_ERR18; |
return PCRE_UTF8_ERR18; |
| 245 |
} |
} |
| 246 |
break; |
break; |
| 251 |
case 5: |
case 5: |
| 252 |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Third byte */ |
| 253 |
{ |
{ |
| 254 |
*erroroffset = (int)(p - string) - 2; |
*erroroffset = p - string - 2; |
| 255 |
return PCRE_UTF8_ERR7; |
return PCRE_UTF8_ERR7; |
| 256 |
} |
} |
| 257 |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Fourth byte */ |
| 258 |
{ |
{ |
| 259 |
*erroroffset = (int)(p - string) - 3; |
*erroroffset = p - string - 3; |
| 260 |
return PCRE_UTF8_ERR8; |
return PCRE_UTF8_ERR8; |
| 261 |
} |
} |
| 262 |
if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Fifth byte */ |
| 263 |
{ |
{ |
| 264 |
*erroroffset = (int)(p - string) - 4; |
*erroroffset = p - string - 4; |
| 265 |
return PCRE_UTF8_ERR9; |
return PCRE_UTF8_ERR9; |
| 266 |
} |
} |
| 267 |
if ((*(++p) & 0xc0) != 0x80) /* Sixth byte */ |
if ((*(++p) & 0xc0) != 0x80) /* Sixth byte */ |
| 268 |
{ |
{ |
| 269 |
*erroroffset = (int)(p - string) - 5; |
*erroroffset = p - string - 5; |
| 270 |
return PCRE_UTF8_ERR10; |
return PCRE_UTF8_ERR10; |
| 271 |
} |
} |
| 272 |
if (c == 0xfc && (d & 0x3c) == 0) |
if (c == 0xfc && (d & 0x3c) == 0) |
| 273 |
{ |
{ |
| 274 |
*erroroffset = (int)(p - string) - 5; |
*erroroffset = p - string - 5; |
| 275 |
return PCRE_UTF8_ERR19; |
return PCRE_UTF8_ERR19; |
| 276 |
} |
} |
| 277 |
break; |
break; |
| 283 |
|
|
| 284 |
if (ab > 3) |
if (ab > 3) |
| 285 |
{ |
{ |
| 286 |
*erroroffset = (int)(p - string) - ab; |
*erroroffset = p - string - ab; |
| 287 |
return (ab == 4)? PCRE_UTF8_ERR11 : PCRE_UTF8_ERR12; |
return (ab == 4)? PCRE_UTF8_ERR11 : PCRE_UTF8_ERR12; |
| 288 |
} |
} |
| 289 |
} |
} |