WaE: MSVC2008 C4309 truncation of constant data

Change-Id: I7cae514cfd3c51bde5e8e0df2c51bed23904569d

sdext/source/pdfimport/pdfparse/pdfentries.cxx

@@ -225,8 +225,8 @@ bool PDFString::emit( EmitContext& rWriteContext ) const
         // check for string or hex string
         const sal_Char* pStr = aFiltered.getStr();
         if( aFiltered.getLength() > 1 &&
-           ( (pStr[0] == sal_Char(0xff) && pStr[1] == sal_Char(0xfe)) ||
-             (pStr[0] == sal_Char(0xfe) && pStr[1] == sal_Char(0xff)) ) )
+           ( ((unsigned char)pStr[0] == 0xff && (unsigned char)pStr[1] == 0xfe) ||
+             ((unsigned char)pStr[0] == 0xfe && (unsigned char)pStr[1] == 0xff) ) )
         {
             static const char pHexTab[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
                                               '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx

@@ -181,7 +181,8 @@ void writePbm_(OutputBuffer& o_rOutputBuf, Stream* str, int width, int height, b
     o_rOutputBuf[0] = 'P';
     o_rOutputBuf[1] = '4';
     o_rOutputBuf[2] = 0x0A;
-    int nOutLen = snprintf(&o_rOutputBuf[3], WRITE_BUFFER_SIZE-10, "%d %d", width, height);
+    char *pAsCharPtr = reinterpret_cast<char *>(&o_rOutputBuf[3]);
+    int nOutLen = snprintf(pAsCharPtr, WRITE_BUFFER_SIZE-10, "%d %d", width, height);
     if( nOutLen < 0 )
         nOutLen = WRITE_BUFFER_SIZE-10;
     o_rOutputBuf[3+nOutLen]  =0x0A;
@@ -228,7 +229,8 @@ void writePpm_( OutputBuffer&     o_rOutputBuf,
     o_rOutputBuf[0] = 'P';
     o_rOutputBuf[1] = '6';
     o_rOutputBuf[2] = '\n';
-    int nOutLen = snprintf(&o_rOutputBuf[3], WRITE_BUFFER_SIZE-10, "%d %d", width, height);
+    char *pAsCharPtr = reinterpret_cast<char *>(&o_rOutputBuf[3]);
+    int nOutLen = snprintf(pAsCharPtr, WRITE_BUFFER_SIZE-10, "%d %d", width, height);
     if( nOutLen < 0 )
         nOutLen = WRITE_BUFFER_SIZE-10;
     o_rOutputBuf[3+nOutLen]  ='\n';

sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx

@@ -295,7 +295,7 @@ extern FILE* g_binary_out;
 
 // note: if you ever hcange Output_t, please keep in mind that the current code
 // relies on it being of 8 bit size
-typedef char Output_t;
+typedef Guchar Output_t;
 typedef std::vector< Output_t > OutputBuffer;
 
 #endif /* INCLUDED_PDFI_OUTDEV_HXX */