85   const UTF32* source = *sourceStart;  in ConvertUTF32toUTF16()  local
87   while (source < sourceEnd) {  in ConvertUTF32toUTF16()
92     ch = *source++;  in ConvertUTF32toUTF16()
97           --source; /* return to the illegal value itself */  in ConvertUTF32toUTF16()
115         --source; /* Back up source pointer! */  in ConvertUTF32toUTF16()
123 *sourceStart = source;  in ConvertUTF32toUTF16()
133   const UTF16* source = *sourceStart;  in ConvertUTF16toUTF32()  local
136   while (source < sourceEnd) {  in ConvertUTF16toUTF32()
137     const UTF16* oldSource = source; /*  In case we have to back up because of target overflow. */  in ConvertUTF16toUTF32()
138     ch = *source++;  in ConvertUTF16toUTF32()
142 	    if (source < sourceEnd) {  in ConvertUTF16toUTF32()
143         ch2 = *source;  in ConvertUTF16toUTF32()
148           ++source;  in ConvertUTF16toUTF32()
150           --source; /* return to the illegal value itself */  in ConvertUTF16toUTF32()
155         --source; /* return to the high surrogate */  in ConvertUTF16toUTF32()
162         --source; /* return to the illegal value itself */  in ConvertUTF16toUTF32()
168 	    source = oldSource; /* Back up source pointer! */  in ConvertUTF16toUTF32()
173   *sourceStart = source;  in ConvertUTF16toUTF32()
236   const UTF16* source = *sourceStart;  in ConvertUTF16toUTF8()  local
238   while (source < sourceEnd) {  in ConvertUTF16toUTF8()
243     const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */  in ConvertUTF16toUTF8()
244     ch = *source++;  in ConvertUTF16toUTF8()
248 	    if (source < sourceEnd) {  in ConvertUTF16toUTF8()
249         UTF32 ch2 = *source;  in ConvertUTF16toUTF8()
254           ++source;  in ConvertUTF16toUTF8()
256           --source; /* return to the illegal value itself */  in ConvertUTF16toUTF8()
261         --source; /* return to the high surrogate */  in ConvertUTF16toUTF8()
268         --source; /* return to the illegal value itself */  in ConvertUTF16toUTF8()
284 	    source = oldSource; /* Back up source pointer! */  in ConvertUTF16toUTF8()
295 *sourceStart = source;  in ConvertUTF16toUTF8()
313 static Boolean isLegalUTF8(const UTF8 *source, int length) {  in isLegalUTF8()  argument
315   const UTF8 *srcptr = source+length;  in isLegalUTF8()
323       switch (*source) {  in isLegalUTF8()
332       case 1: if (*source >= 0x80 && *source < 0xC2) return false;  in isLegalUTF8()
334   if (*source > 0xF4) return false;  in isLegalUTF8()
344 Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) {  in isLegalUTF8Sequence()  argument
345   int length = trailingBytesForUTF8[*source]+1;  in isLegalUTF8Sequence()
346   if (source+length > sourceEnd) {  in isLegalUTF8Sequence()
349   return isLegalUTF8(source, length);  in isLegalUTF8Sequence()
357   const UTF8* source = *sourceStart;  in ConvertUTF8toUTF16()  local
359   while (source < sourceEnd) {  in ConvertUTF8toUTF16()
361     unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF16()
362     if (source + extraBytesToRead >= sourceEnd) {  in ConvertUTF8toUTF16()
366     if (! isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF16()
374 	    case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */  in ConvertUTF8toUTF16()
375 	    case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */  in ConvertUTF8toUTF16()
376 	    case 3: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF16()
377 	    case 2: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF16()
378 	    case 1: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF16()
379 	    case 0: ch += *source++;  in ConvertUTF8toUTF16()
384 	    source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
391           source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF16()
403         source -= (extraBytesToRead+1); /* return to the start */  in ConvertUTF8toUTF16()
411         source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
419 *sourceStart = source;  in ConvertUTF8toUTF16()
429   const UTF32* source = *sourceStart;  in ConvertUTF32toUTF8()  local
431   while (source < sourceEnd) {  in ConvertUTF32toUTF8()
436     ch = *source++;  in ConvertUTF32toUTF8()
440         --source; /* return to the illegal value itself */  in ConvertUTF32toUTF8()
460 	    --source; /* Back up source pointer! */  in ConvertUTF32toUTF8()
471 *sourceStart = source;  in ConvertUTF32toUTF8()
481   const UTF8* source = *sourceStart;  in ConvertUTF8toUTF32()  local
483   while (source < sourceEnd) {  in ConvertUTF8toUTF32()
485     unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF32()
486     if (source + extraBytesToRead >= sourceEnd) {  in ConvertUTF8toUTF32()
490     if (! isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF32()
498 	    case 5: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF32()
499 	    case 4: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF32()
500 	    case 3: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF32()
501 	    case 2: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF32()
502 	    case 1: ch += *source++; ch <<= 6;  in ConvertUTF8toUTF32()
503 	    case 0: ch += *source++;  in ConvertUTF8toUTF32()
508 	    source -= (extraBytesToRead+1); /* Back up the source pointer! */  in ConvertUTF8toUTF32()
518           source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF32()
532   *sourceStart = source;  in ConvertUTF8toUTF32()