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Coverity: protect against potential for negative indexing.

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This commit is contained in:
Neil Hodgson 2025-04-07 17:01:14 +10:00
parent 6d51ba20fe
commit 0c5d07e06b
2 changed files with 3 additions and 2 deletions
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3
lexers/LexEDIFACT.cxx
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@ -168,7 +168,8 @@ void LexerEDIFACT::Lex(Sci_PositionU startPos, Sci_Position length, int, IDocume
{
posCurrent = ForwardPastWhitespace(pAccess, posCurrent, posFinish);
// Mark whitespace as default
styler.ColourTo(posCurrent - 1, SCE_EDI_DEFAULT);
if (posCurrent > 0)
styler.ColourTo(posCurrent - 1, SCE_EDI_DEFAULT);
if (posCurrent >= posFinish)
break;

2
lexers/LexRaku.cxx
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@ -1532,7 +1532,7 @@ void SCI_METHOD LexerRaku::Fold(Sci_PositionU startPos, Sci_Position length, int
// init char and style variables
char chNext = styler[startPos];
int stylePrev = styler.StyleAt(startPos - 1);
int stylePrev = startPos > 0 ? styler.StyleAt(startPos - 1) : 0;
int styleNext = styler.StyleAt(startPos);
int styleNextStartLine = styler.StyleAt(lineStartNext);
int visibleChars = 0;