added test for wxScopeGuard

[wxWidgets.git] / src / common / ffile.cpp

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index 7887d45fe5742f5c0f06d786788765049dec48b0..2fa5abeff72c0cf2daae926968cc9097df96c366 100644 (file)
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -103,43 +103,40 @@ bool wxFFile::Close()
 // read/write
 // ----------------------------------------------------------------------------
 
-bool wxFFile::ReadAll(wxString *str)
+bool wxFFile::ReadAll(wxString *str, wxMBConv& conv)
 {
     wxCHECK_MSG( str, false, wxT("invalid parameter") );
     wxCHECK_MSG( IsOpened(), false, wxT("can't read from closed file") );
     wxCHECK_MSG( Length() >= 0, false, wxT("invalid length") );
     size_t length = (size_t)Length();
-    wxCHECK_MSG( length == Length(), false, wxT("huge file not supported") );
+    wxCHECK_MSG( (wxFileOffset)length == Length(), false, wxT("huge file not supported") );
 
     clearerr(m_fp);
 
-    str->Empty();
-    str->Alloc(length);
+    wxCharBuffer buf(length + 1);
 
-    wxChar buf[1024];
-    static const size_t nSize = WXSIZEOF(buf) - 1; // -1 for trailing '\0'
-    while ( !Eof() )
-    {
-        size_t nRead = fread(buf, sizeof(wxChar), nSize, m_fp);
-        if ( (nRead < nSize) && Error() )
-        {
-            wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
+    // note that real length may be less than file length for text files with DOS EOLs
+    // ('\r's get dropped by CRT when reading which means that we have
+    // realLen = fileLen - numOfLinesInTheFile)
+    length = fread(buf.data(), sizeof(char), length, m_fp);
 
-            return false;
-        }
-        //else: just EOF
+    if ( Error() ) 
+    {
+        wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
 
-        buf[nRead] = 0;
-        *str += buf;
+        return false;
     }
 
+    buf.data()[length] = 0;
+    *str = wxString(buf, conv);
+
     return true;
 }
 
 size_t wxFFile::Read(void *pBuf, size_t nCount)
 {
-    wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
-    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't read from closed file") );
+    wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+    wxCHECK_MSG( IsOpened(), 0, wxT("can't read from closed file") );
 
     size_t nRead = fread(pBuf, 1, nCount, m_fp);
     if ( (nRead < nCount) && Error() )
@@ -152,8 +149,8 @@ size_t wxFFile::Read(void *pBuf, size_t nCount)
 
 size_t wxFFile::Write(const void *pBuf, size_t nCount)
 {
-    wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
-    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't write to closed file") );
+    wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+    wxCHECK_MSG( IsOpened(), 0, wxT("can't write to closed file") );
 
     size_t nWritten = fwrite(pBuf, 1, nCount, m_fp);
     if ( nWritten < nCount )