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fix(calendar): fix crash when using a 2*16bits chars at the 75th char of ics file

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Hivert Quentin
2024-05-24 15:57:56 +02:00
parent ebca25ca62
commit 31c0473c48
1 changed files with 17 additions and 9 deletions
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26
SOPE/NGCards/NSString+NGCards.m
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@@ -45,19 +45,27 @@
[foldedString appendString: self];
else
{
subStringRange = NSMakeRange (0, 75);
[foldedString appendFormat: @"%@\r\n",
[self substringWithRange: subStringRange]];
subStringRange = NSMakeRange (75, 74);
//Check if the 75th chars is a 2*16bits chars, in this case, cut one char before
unichar c = [self characterAtIndex: 74];
int substringCut;
if (c >= 0xD800 && c <= 0xDBFF)
substringCut = 74;
else
substringCut = 75;
subStringRange = NSMakeRange (0, substringCut);
[foldedString appendFormat: @"%@\r\n", [self substringWithRange: subStringRange]];
subStringRange = NSMakeRange (substringCut, 74);
while ((length - subStringRange.location) > 75)
{
[foldedString appendFormat: @" %@\r\n",
[self substringWithRange: subStringRange]];
subStringRange.location += 74;
c = [self characterAtIndex: (subStringRange.location+subStringRange.length-1)];
if (c >= 0xD800 && c <= 0xDBFF)
subStringRange.length--;
[foldedString appendFormat: @" %@\r\n", [self substringWithRange: subStringRange]];
subStringRange.location += subStringRange.length;
}
subStringRange.length = length - subStringRange.location;
[foldedString appendFormat: @" %@",
[self substringWithRange: subStringRange]];
[foldedString appendFormat: @" %@", [self substringWithRange: subStringRange]];
}
return foldedString;