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#6064: Merge ConvertUTF.c fixes from LLVM (?)

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This commit is contained in:
Mike Gelfand 2016-02-06 22:05:22 +00:00
parent 9e7293b710
commit 1eb0ae0a3a
1 changed files with 4 additions and 4 deletions
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8
libtransmission/ConvertUTF.c
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@ -304,12 +304,12 @@ static Boolean isLegalUTF8 (const UTF8 *source, int length) {
/* Everything else falls through when "true"... */
case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 2: if ((a = (*--srcptr)) > 0xBF) return false;
case 2: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
switch (*source) {
/* no fall-through in this inner switch */
case 0xE0: if (a < 0xA0) return false; break;
case 0xED: if ((a < 0x80) || (a > 0x9F)) return false; break;
case 0xED: if (a > 0x9F) return false; break;
case 0xF0: if (a < 0x90) return false; break;
case 0xF4: if (a > 0x8F) return false; break;
default: if (a < 0x80) return false;
@ -407,7 +407,7 @@ ConversionResult ConvertUTF8toUTF16 (
while (source < sourceEnd) {
UTF32 ch = 0;
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd) {
if (extraBytesToRead >= sourceEnd - source) {
result = sourceExhausted; break;
}
/* Do this check whether lenient or strict */
@ -533,7 +533,7 @@ ConversionResult ConvertUTF8toUTF32 (
while (source < sourceEnd) {
UTF32 ch = 0;
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd) {
if (extraBytesToRead >= sourceEnd - source) {
result = sourceExhausted; break;
}
/* Do this check whether lenient or strict */