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check whether the string is non-empty before accessing its first element [backport from trunk]

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47536 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-07-17 22:47:30 +00:00
parent 83ea1b79e7
commit 61044f83ce
1 changed files with 3 additions and 3 deletions
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6
utils/tex2rtf/src/texutils.cpp
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@@ -478,9 +478,9 @@ void BibEatWhiteSpace(wxString& line)
} }
// Ignore end-of-line comments // Ignore end-of-line comments
if (line[0] == _T('%') || line[0] == _T(';') || line[0] == _T('#')) if ( !line.empty() && (line[0] == _T('%') || line[0] == _T(';') || line[0] == _T('#')))
{ {
line = wxEmptyString; line.clear();
} }
} }
@@ -568,7 +568,7 @@ wxString BibReadToEOL(wxString& line)
val << line[0]; val << line[0];
line = line.substr(1); line = line.substr(1);
} }
if (line[0] == '"') if (!line.empty() && line[0] == '"')
line = line.substr(1); line = line.substr(1);
return val; return val;