| 322 | |
| 323 | |
| 324 | bool UtfToWide(const char *Src,wchar *Dest,size_t DestSize) |
| 325 | { |
| 326 | bool Success=true; |
| 327 | long dsize=(long)DestSize; |
| 328 | dsize--; |
| 329 | while (*Src!=0) |
| 330 | { |
| 331 | uint c=byte(*(Src++)),d; |
| 332 | if (c<0x80) |
| 333 | d=c; |
| 334 | else |
| 335 | if ((c>>5)==6) |
| 336 | { |
| 337 | if ((*Src&0xc0)!=0x80) |
| 338 | { |
| 339 | Success=false; |
| 340 | break; |
| 341 | } |
| 342 | d=((c&0x1f)<<6)|(*Src&0x3f); |
| 343 | Src++; |
| 344 | } |
| 345 | else |
| 346 | if ((c>>4)==14) |
| 347 | { |
| 348 | if ((Src[0]&0xc0)!=0x80 || (Src[1]&0xc0)!=0x80) |
| 349 | { |
| 350 | Success=false; |
| 351 | break; |
| 352 | } |
| 353 | d=((c&0xf)<<12)|((Src[0]&0x3f)<<6)|(Src[1]&0x3f); |
| 354 | Src+=2; |
| 355 | } |
| 356 | else |
| 357 | if ((c>>3)==30) |
| 358 | { |
| 359 | if ((Src[0]&0xc0)!=0x80 || (Src[1]&0xc0)!=0x80 || (Src[2]&0xc0)!=0x80) |
| 360 | { |
| 361 | Success=false; |
| 362 | break; |
| 363 | } |
| 364 | d=((c&7)<<18)|((Src[0]&0x3f)<<12)|((Src[1]&0x3f)<<6)|(Src[2]&0x3f); |
| 365 | Src+=3; |
| 366 | } |
| 367 | else |
| 368 | { |
| 369 | Success=false; |
| 370 | break; |
| 371 | } |
| 372 | if (--dsize<0) |
| 373 | break; |
| 374 | if (d>0xffff) |
| 375 | { |
| 376 | if (--dsize<0) |
| 377 | break; |
| 378 | if (d>0x10ffff) // UTF-8 must end at 0x10ffff according to RFC 3629. |
| 379 | { |
| 380 | Success=false; |
| 381 | continue; |
no outgoing calls
no test coverage detected