28 lines
1.4 KiB
Diff
28 lines
1.4 KiB
Diff
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From http://bugreports.qt.nokia.com/browse/QTBUG-8365
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Starting a QtEmbedded-4.6.2 application linked against uClibc 0.9.30.1 results
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in an immediate segmentation fault.
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This is due to an incompatibility of the uClibc with the standard libc about
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the "realpath" function. The man of the function clearly specifies that
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"if resolved path (the second argument) is NULL, then realpath uses malloc to
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allocate a buffer ...". However, uClibc doesn't support this functionality and
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issues a warning at compile-time when the function is called with a NULL
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argument.
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---
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diff -aurp -x '*.o' qt-everywhere-opensource-src-4.6.2-old/src/corelib/io/qfsfileengine.cpp qt-everywhere-opensource-src-4.6.2/src/corelib/io/qfsfileengine.cpp
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--- qt-everywhere-opensource-src-4.6.2-old/src/corelib/io/qfsfileengine.cpp 2010-02-11 16:55:23.000000000 +0100
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+++ qt-everywhere-opensource-src-4.6.2/src/corelib/io/qfsfileengine.cpp 2010-02-19 14:57:06.000000000 +0100
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@@ -145,10 +145,9 @@ QString QFSFileEnginePrivate::canonicali
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#endif
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// Mac OS X 10.5.x doesn't support the realpath(X,0) extenstion we use here.
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#if defined(Q_OS_LINUX) || defined(Q_OS_SYMBIAN)
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- char *ret = realpath(path.toLocal8Bit().constData(), (char*)0);
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- if (ret) {
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+ char ret[PATH_MAX];
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+ if (realpath(path.toLocal8Bit().constData(), ret)) {
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QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
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- free(ret);
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return canonicalPath;
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}
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#endif
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