1 files changed, 64 insertions, 27 deletions

diff --git a/qmake/tools/qcstring.cpp b/qmake/tools/qcstring.cpp
index cf1b853..4651b97 100644
--- a/qmake/tools/qcstring.cpp
+++ b/qmake/tools/qcstring.cpp
@@ -136,16 +136,27 @@ char *qstrncpy( char *dst, const char *src, uint len )
 	return 0;
     strncpy( dst, src, len );
     if ( len > 0 )
 	dst[len-1] = '\0';
     return dst;
 }
 
 /*!
+    \fn uint qstrlen( const char *str );
+
+    \relates QCString
+
+    A safe strlen function.
+
+    Returns the number of characters that precede the terminating '\0'.
+    or 0 if \a str is 0.
+*/
+
+/*!
     \fn int qstrcmp( const char *str1, const char *str2 );
 
     \relates QCString
 
     A safe strcmp() function.
 
     Compares \a str1 and \a str2. Returns a negative value if \a str1
     is less than \a str2, 0 if \a str1 is equal to \a str2 or a
@@ -294,17 +305,18 @@ static void createCRC16Table()			// build CRC16 lookup table
     The checksum is independent of the byte order (endianness).
 */
 
 Q_UINT16 qChecksum( const char *data, uint len )
 {
     if ( !crc_tbl_init ) {			// create lookup table
 
 #ifdef QT_THREAD_SUPPORT
-	QMutexLocker locker( qt_global_mutexpool->get( &crc_tbl_init ) );
+	QMutexLocker locker( qt_global_mutexpool ?
+			     qt_global_mutexpool->get( &crc_tbl_init ) : 0 );
 #endif // QT_THREAD_SUPPORT
 
 	if ( !crc_tbl_init ) {
 	    createCRC16Table();
 	    crc_tbl_init = TRUE;
 	}
     }
     register Q_UINT16 crc = 0xffff;
@@ -314,28 +326,34 @@ Q_UINT16 qChecksum( const char *data, uint len )
 	c = *p++;
 	crc = ( (crc >> 4) & 0x0fff ) ^ crc_tbl[((crc ^ c) & 15)];
 	c >>= 4;
 	crc = ( (crc >> 4) & 0x0fff ) ^ crc_tbl[((crc ^ c) & 15)];
     }
     return ~crc & 0xffff;
 }
 
-/*! \fn QByteArray qCompress( const QByteArray& data)
+/*!
+    \fn QByteArray qCompress( const QByteArray& data )
+
   \relates QByteArray
-  \overload
+
+    Compresses the array \a data and returns the compressed byte
+    array.
+
+    \sa qUncompress()
 */
 
 /*!
   \relates QByteArray
 
+    \overload
+
   Compresses the array \a data which is \a nbytes long and returns the
   compressed byte array.
-
-  \sa qUncompress()
 */
 
 #ifndef QT_NO_COMPRESS
 QByteArray qCompress( const uchar* data, int nbytes )
 {
     if ( nbytes == 0 ) {
 	QByteArray tmp( 4 );
 	tmp.fill( 0 );
@@ -374,30 +392,42 @@ QByteArray qCompress( const uchar* data, int nbytes )
 	    break;
 	}
     } while ( res == Z_BUF_ERROR );
 
     return bazip;
 }
 #endif
 
-/*! \fn QByteArray qUncompress( const QByteArray& data )
+/*!
+    \fn QByteArray qUncompress( const QByteArray& data )
+
   \relates QByteArray
-  \overload
+
+    Uncompresses the array \a data and returns the uncompressed byte
+    array.
+
+    Returns an empty QByteArray if the input data was corrupt.
+    \omit
+    ADD THE FOLLOWING FOR Qt 4.0
+    This function will uncompress data compressed with qCompress()
+    from this and any earlier Qt version, back to Qt 3.1 when this
+    feature was added.
+    \endomit
+
+    \sa qCompress()
 */
 
 /*!
   \relates QByteArray
 
+    \overload
+
   Uncompresses the array \a data which is \a nbytes long and returns
   the uncompressed byte array.
-
-  Returns an empty QByteArray if the input data was corrupt.
-
-  \sa qCompress()
 */
 
 #ifndef QT_NO_COMPRESS
 QByteArray qUncompress( const uchar* data, int nbytes )
 {
     if ( !data ) {
 #if defined(QT_CHECK_RANGE)
 	qWarning( "qUncompress: data is NULL." );
@@ -931,23 +961,27 @@ int QCString::find( char c, int index, bool cs ) const
     Returns the position of \a str, or -1 if \a str could not be
     found.
 
     \sa \link #asciinotion Note on character comparisons \endlink
 */
 
 int QCString::find( const char *str, int index, bool cs ) const
 {
+    return find( str, index, cs, length() );
+}
+
+int QCString::find( const char *str, int index, bool cs, uint l ) const
+{
     if ( (uint)index >= size() )
 	return -1;
     if ( !str )
 	return -1;
     if ( !*str )
 	return index;
-    const uint l = length();
     const uint sl = qstrlen( str );
     if ( sl + index > l )
 	return -1;
 
     if ( sl == 1 )
 	return find( *str, index, cs );
 
     /*
@@ -1147,18 +1181,19 @@ int QCString::contains( char c, bool cs ) const
     \sa findRev()
 	\link #asciinotion Note on character comparisons \endlink
 */
 
 int QCString::contains( const char *str, bool cs ) const
 {
     int count = 0;
     int i = -1;
+    uint l = length();
     // use find for the faster hashing algorithm
-    while ( ( i = find ( str, i+1, cs ) ) != -1 )
+    while ( ( i = find ( str, i+1, cs, l ) ) != -1 )
 	count++;
     return count;
 }
 
 /*!
     Returns a substring that contains the \a len leftmost characters
     of the string.
 
@@ -1168,17 +1203,16 @@ int QCString::contains( const char *str, bool cs ) const
     Example:
     \code
     QCString s = "Pineapple";
     QCString t = s.left( 4 );  // t == "Pine"
     \endcode
 
     \sa right(), mid()
 */
-
 QCString QCString::left( uint len ) const
 {
     if ( isEmpty() ) {
 	QCString empty;
 	return empty;
     } else if ( len >= size() ) {
 	QCString same( data() );
 	return same;
@@ -1492,25 +1526,27 @@ QCString &QCString::insert( uint index, const char *s )
 {
     int len = qstrlen(s);
     if ( len == 0 )
 	return *this;
     uint olen = length();
     int nlen = olen + len;
     if ( index >= olen ) {			// insert after end of string
 	detach();
-	if ( QByteArray::resize(nlen+index-olen+1) ) {
+	if ( QByteArray::resize(nlen+index-olen+1, QByteArray::SpeedOptim ) ) {
 	    memset( data()+olen, ' ', index-olen );
 	    memcpy( data()+index, s, len+1 );
 	}
-    } else if ( QByteArray::resize(nlen+1) ) {	// normal insert
+    } else {
 	detach();
+	if ( QByteArray::resize(nlen+1, QByteArray::SpeedOptim ) ) {	// normal insert
 	memmove( data()+index+len, data()+index, olen-index+1 );
 	memcpy( data()+index, s, len );
     }
+    }
     return *this;
 }
 
 /*!
     Inserts character \a c into the string at position \a index and
     returns a reference to the string.
 
     If \a index is beyond the end of the string, the string is
@@ -1564,17 +1600,17 @@ QCString &QCString::remove( uint index, uint len )
     if ( index + len >= olen ) {		// range problems
 	if ( index < olen ) {			// index ok
 	    detach();
 	    resize( index+1 );
 	}
     } else if ( len != 0 ) {
 	detach();
 	memmove( data()+index, data()+index+len, olen-index-len+1 );
-	QByteArray::resize(olen-len+1);
+	QByteArray::resize(olen-len+1, QByteArray::SpeedOptim );
     }
     return *this;
 }
 
 /*!
     Replaces \a len characters from the string, starting at position
     \a index, with \a str, and returns a reference to the string.
 
@@ -1626,41 +1662,42 @@ QCString &QCString::replace( char c, const char *after )
 
     Example:
     \code
     QCString s = "Greek is Greek";
     s.replace( "Greek", "English" );
     // s == "English is English"
     \endcode
 */
+
 QCString &QCString::replace( const char *before, const char *after )
 {
     if ( before == after || isNull() )
 	return *this;
 
     detach();
 
     int index = 0;
     const int bl = before ? strlen( before ) : 0;
     const int al = after ? strlen( after ) : 0;
     char *d = data();
     uint len = length();
 
     if ( bl == al ) {
 	if ( bl ) {
-	    while( (index = find( before, index ) ) != -1 ) {
+	    while( (index = find( before, index, TRUE, len ) ) != -1 ) {
 		memcpy( d+index, after, al );
 		index += bl;
 	    }
 	}
     } else if ( al < bl ) {
 	uint to = 0;
 	uint movestart = 0;
 	uint num = 0;
-	while( (index = find( before, index ) ) != -1 ) {
+	while( (index = find( before, index, TRUE, len ) ) != -1 ) {
 	    if ( num ) {
 		int msize = index - movestart;
 		if ( msize > 0 ) {
 		    memmove( d + to, d + movestart, msize );
 		    to += msize;
 		}
 	    } else {
 		to = index;
@@ -1681,17 +1718,17 @@ QCString &QCString::replace( const char *before, const char *after )
 	}
     } else {
 	// the most complex case. We don't want to loose performance by doing repeated
 	// copies and reallocs of the string.
 	while( index != -1 ) {
 	    uint indices[4096];
 	    uint pos = 0;
 	    while( pos < 4095 ) {
-		index = find(before, index);
+		index = find(before, index, TRUE, len);
 		if ( index == -1 )
 		    break;
 		indices[pos++] = index;
 		index += bl;
 		// avoid infinite loop
 		if ( !bl )
 		    index++;
 	    }
@@ -1758,17 +1795,17 @@ QCString &QCString::replace( char c1, char c2 )
 
     \warning If you want to apply this function repeatedly to the same
     string it is more efficient to convert the string to a QString and
     apply the function to that.
 */
 
 int QCString::find( const QRegExp& rx, int index ) const
 {
-    QString d = QString::fromLatin1( data() );
+    QString d = QString::fromAscii( data() );
     return d.find( rx, index );
 }
 
 /*!
     \overload
 
     Finds the first occurrence of the regular expression \a rx,
     starting at position \a index and searching backwards.
@@ -1778,17 +1815,17 @@ int QCString::find( const QRegExp& rx, int index ) const
 
     \warning If you want to apply this function repeatedly to the same
     string it is more efficient to convert the string to a QString and
     apply the function to that.
 */
 
 int QCString::findRev( const QRegExp& rx, int index ) const
 {
-    QString d = QString::fromLatin1( data() );
+    QString d = QString::fromAscii( data() );
     return d.findRev( rx, index );
 }
 
 /*!
     \overload
 
     Counts the number of overlapping occurrences of \a rx in the string.
 
@@ -1803,17 +1840,17 @@ int QCString::findRev( const QRegExp& rx, int index ) const
 
     \warning If you want to apply this function repeatedly to the same
     string it is more efficient to convert the string to a QString and
     apply the function to that.
 */
 
 int QCString::contains( const QRegExp &rx ) const
 {
-    QString d = QString::fromLatin1( data() );
+    QString d = QString::fromAscii( data() );
     return d.contains( rx );
 }
 
 
 /*!
     \overload
 
     Replaces every occurrence of \a rx in the string with \a str.
@@ -1833,18 +1870,18 @@ int QCString::contains( const QRegExp &rx ) const
 
     \warning If you want to apply this function repeatedly to the same
     string it is more efficient to convert the string to a QString and
     apply the function to that.
 */
 
 QCString &QCString::replace( const QRegExp &rx, const char *str )
 {
-    QString d = QString::fromLatin1( data() );
-    QString r = QString::fromLatin1( str );
+    QString d = QString::fromAscii( data() );
+    QString r = QString::fromAscii( str );
     d.replace( rx, r );
     setStr( d.ascii() );
     return *this;
 }
 #endif //QT_NO_REGEXP
 
 /*!
     Returns the string converted to a \c long value.
@@ -2194,33 +2231,33 @@ bool QCString::setExpand( uint index, char c )
 
 QCString& QCString::operator+=( const char *str )
 {
     if ( !str )
 	return *this;				// nothing to append
     detach();
     uint len1 = length();
     uint len2 = qstrlen(str);
-    if ( !QByteArray::resize( len1 + len2 + 1 ) )
+    if ( !QByteArray::resize( len1 + len2 + 1, QByteArray::SpeedOptim ) )
 	return *this;				// no memory
     memcpy( data() + len1, str, len2 + 1 );
     return *this;
 }
 
 /*!
     \overload
 
     Appends character \a c to the string and returns a reference to the string.
 */
 
 QCString &QCString::operator+=( char c )
 {
     detach();
     uint len = length();
-    if ( !QByteArray::resize( len + 2 ) )
+    if ( !QByteArray::resize( len + 2, QByteArray::SpeedOptim  ) )
 	return *this;				// no memory
     *(data() + len) = c;
     *(data() + len+1) = '\0';
     return *this;
 }
 
 
 /*****************************************************************************