fixx off by one in reading

1 files changed, 29 insertions, 1 deletions

diff --git a/libopie/pim/otodoaccessxml.cpp b/libopie/pim/otodoaccessxml.cpp
index 22b2469..cda300b 100644
--- a/libopie/pim/otodoaccessxml.cpp
+++ b/libopie/pim/otodoaccessxml.cpp
@@ -1,43 +1,71 @@
 #include <errno.h>
 #include <fcntl.h>
 
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
 #include <unistd.h>
 
 
 #include <qfile.h>
 #include <qvector.h>
 
 #include <qpe/global.h>
 #include <qpe/stringutil.h>
 #include <qpe/timeconversion.h>
 
 #include "otodoaccessxml.h"
 
+namespace {
+    // FROM TT again
+char *strstrlen(const char *haystack, int hLen, const char* needle, int nLen)
+{
+    char needleChar;
+    char haystackChar;
+    if (!needle || !haystack || !hLen || !nLen)
+	return 0;
+
+    const char* hsearch = haystack;
+
+    if ((needleChar = *needle++) != 0) {
+	nLen--; //(to make up for needle++)
+	do {
+	    do {
+		if ((haystackChar = *hsearch++) == 0)
+		    return (0);
+		if (hsearch >= haystack + hLen)
+		    return (0);
+	    } while (haystackChar != needleChar);
+	} while (strncmp(hsearch, needle, QMIN(hLen - (hsearch - haystack), nLen)) != 0);
+	hsearch--;
+    }
+    return ((char *)hsearch);
+}
+}
+
+
 OTodoAccessXML::OTodoAccessXML( const QString& appName,
                                 const QString& fileName )
     : OTodoAccessBackend(), m_app( appName ),  m_opened( false ), m_changed( false )
 {
     if (!fileName.isEmpty() )
         m_file = fileName;
     else
         m_file = Global::applicationFileName( "todolist", "todolist.xml" );
 }
 OTodoAccessXML::~OTodoAccessXML() {
 
 }
 bool OTodoAccessXML::load() {
     m_opened = true;
     m_changed = false;
     /* initialize dict */
     /*
      * UPDATE dict if you change anything!!!
      */
     QAsciiDict<int> dict(21);
     dict.setAutoDelete( TRUE );
     dict.insert("Categories" ,     new int(OTodo::Category)         );
     dict.insert("Uid" ,            new int(OTodo::Uid)              );
     dict.insert("HasDate" ,        new int(OTodo::HasDate)          );
@@ -64,49 +92,49 @@ bool OTodoAccessXML::load() {
     int fd = ::open( QFile::encodeName(m_file).data(), O_RDONLY );
     struct stat attribut;
     if ( fd < 0 ) return false;
 
     if ( fstat(fd, &attribut ) == -1 ) {
         ::close( fd );
         return false;
     }
     void* map_addr = ::mmap(NULL,  attribut.st_size, PROT_READ, MAP_SHARED, fd, 0 );
     if ( map_addr == ( (caddr_t)-1) ) {
         ::close(fd );
         return false;
     }
     /* advise the kernel who we want to read it */
     ::madvise( map_addr,  attribut.st_size,  MADV_SEQUENTIAL );
     /* we do not the file any more */
     ::close( fd );
 
     char* dt = (char*)map_addr;
     int len = attribut.st_size;
     int i = 0;
     char *point;
     const char* collectionString = "<Task ";
     int strLen = strlen(collectionString);
-    while ( dt+i != 0 && ( point = strstr( dt+i, collectionString ) ) != 0l ) {
+    while ( ( point = strstrlen( dt+i, len -i, collectionString, strLen ) ) != 0l ) {
         i = point -dt;
         i+= strLen;
         qWarning("Found a start at %d %d", i,  (point-dt) );
 
         OTodo ev;
         m_year = m_month = m_day = 0;
 
         while ( TRUE ) {
             while ( i < len && (dt[i] == ' ' || dt[i] == '\n' || dt[i] == '\r') )
 		++i;
 	    if ( i >= len-2 || (dt[i] == '/' && dt[i+1] == '>') )
 		break;
 
 	    // we have another attribute, read it.
 	    int j = i;
 	    while ( j < len && dt[j] != '=' )
 		++j;
 	    QCString attr( dt+i, j-i+1);
 
 	    i = ++j; // skip =
 
 	    // find the start of quotes
 	    while ( i < len && dt[i] != '"' )
 		++i;