Index: src/streamanalyzer/bmpendanalyzer.cpp
===================================================================
--- src/streamanalyzer/bmpendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/bmpendanalyzer.cpp	(Arbeitskopie)
@@ -52,6 +52,9 @@
 }
 char
 BmpEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     // read BMP file type and ensure it is not damaged
     const char * bmptype_bm = "BM";
     const char * bmptype_ba = "BA";
Index: src/streamanalyzer/mailendanalyzer.cpp
===================================================================
--- src/streamanalyzer/mailendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/mailendanalyzer.cpp	(Arbeitskopie)
@@ -43,6 +43,9 @@
 }
 char
 MailEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     MailInputStream mail(in);
     InputStream *s = mail.nextEntry();
     if (mail.getStatus() == Error) {
Index: src/streamanalyzer/tarendanalyzer.cpp
===================================================================
--- src/streamanalyzer/tarendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/tarendanalyzer.cpp	(Arbeitskopie)
@@ -40,6 +40,9 @@
 char
 TarEndAnalyzer::staticAnalyze(AnalysisResult& idx,
         InputStream* in) {
+    if(!in)
+        return -1;
+
     TarInputStream tar(in);
     InputStream *s = tar.nextEntry();
     while (s) {
Index: src/streamanalyzer/cpioendanalyzer.cpp
===================================================================
--- src/streamanalyzer/cpioendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/cpioendanalyzer.cpp	(Arbeitskopie)
@@ -35,6 +35,9 @@
 }
 char
 CpioEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     CpioInputStream cpio(in);
     InputStream *s = cpio.nextEntry();
     if (cpio.getStatus()) {
Index: src/streamanalyzer/bz2endanalyzer.cpp
===================================================================
--- src/streamanalyzer/bz2endanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/bz2endanalyzer.cpp	(Arbeitskopie)
@@ -40,6 +40,9 @@
 }
 char
 Bz2EndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     BZ2InputStream stream(in);
 /*    char r = testStream(&stream);
     if (r) {
Index: src/streamanalyzer/arendanalyzer.cpp
===================================================================
--- src/streamanalyzer/arendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/arendanalyzer.cpp	(Arbeitskopie)
@@ -40,6 +40,9 @@
 char
 ArEndAnalyzer::staticAnalyze(AnalysisResult& idx,
         InputStream* in) {
+    if(!in)
+        return -1;
+
     ArInputStream ar(in);
     InputStream *s = ar.nextEntry();
     while (s) {
Index: src/streamanalyzer/zipendanalyzer.cpp
===================================================================
--- src/streamanalyzer/zipendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/zipendanalyzer.cpp	(Arbeitskopie)
@@ -35,6 +35,9 @@
 }
 char
 ZipEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     ZipInputStream zip(in);
     InputStream *s = zip.nextEntry();
     if (zip.getStatus()) {
Index: src/streamanalyzer/helperendanalyzer.cpp
===================================================================
--- src/streamanalyzer/helperendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/helperendanalyzer.cpp	(Arbeitskopie)
@@ -146,6 +146,9 @@
 }
 char
 HelperEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in){
+    if(!in)
+        return -1;
+
     char state = -1;
     const char* b;
     int32_t nread = in->read(b, 1024, 0);
Index: src/streamanalyzer/ifilterendanalyzer.cpp
===================================================================
--- src/streamanalyzer/ifilterendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/ifilterendanalyzer.cpp	(Arbeitskopie)
@@ -95,6 +95,9 @@
 }
 char
 IFilterEndAnalyzer::analyze(AnalysisResult& idx, InputStream *in) {
+    if(!in)
+        return -1;
+
 	const string& filename = idx.getFileName();
 	int p = filename.find_last_of('.');
 	if ( p < 0 ||  extensions.find(filename.substr(p)) == extensions.end() ){
Index: src/streamanalyzer/id3v2throughanalyzer.cpp
===================================================================
--- src/streamanalyzer/id3v2throughanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/id3v2throughanalyzer.cpp	(Arbeitskopie)
@@ -58,6 +58,9 @@
 }
 jstreams::InputStream*
 ID3V2ThroughAnalyzer::connectInputStream(InputStream* in) {
+    if(!in)
+        return in;
+
     // read 10 byte header
     const char* buf;
     int32_t nread = in->read(buf, 10, 10);
Index: src/streamanalyzer/throughplugins/mimetypethroughanalyzer.cpp
===================================================================
--- src/streamanalyzer/throughplugins/mimetypethroughanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/throughplugins/mimetypethroughanalyzer.cpp	(Arbeitskopie)
@@ -37,6 +37,9 @@
 }
 ::InputStream *
 MimeTypeThroughAnalyzer::connectInputStream(::InputStream *in) {
+    if(!in)
+        return -1;
+
     // determine the mimetype
     const char* mime;
     int64_t pos = in->getPosition();
Index: src/streamanalyzer/gzipendanalyzer.cpp
===================================================================
--- src/streamanalyzer/gzipendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/gzipendanalyzer.cpp	(Arbeitskopie)
@@ -39,6 +39,9 @@
 }
 char
 GZipEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     GZipInputStream stream(in);
     // since this is gzip file, its likely that it contains a tar file
     const char* start;
Index: src/streamanalyzer/oggthroughanalyzer.cpp
===================================================================
--- src/streamanalyzer/oggthroughanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/oggthroughanalyzer.cpp	(Arbeitskopie)
@@ -44,6 +44,9 @@
 }
 InputStream*
 OggThroughAnalyzer::connectInputStream(InputStream* in) {
+    if(!in)
+        return in;
+
     const char* buf;
     // read 1024 initially
     int32_t nreq = 1024;
Index: src/streamanalyzer/digestthroughanalyzer.cpp
===================================================================
--- src/streamanalyzer/digestthroughanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/digestthroughanalyzer.cpp	(Arbeitskopie)
@@ -41,6 +41,9 @@
 }
 InputStream *
 DigestThroughAnalyzer::connectInputStream(InputStream *in) {
+    if(!in)
+        return in;
+
     if (stream) {
         delete stream;
     }
Index: src/streamanalyzer/pngendanalyzer.cpp
===================================================================
--- src/streamanalyzer/pngendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/pngendanalyzer.cpp	(Arbeitskopie)
@@ -44,6 +44,9 @@
 }
 char
 PngEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     const char* h;
     int32_t n = in->read(h, 24, 24);
     in->reset(0);
Index: src/streamanalyzer/textendanalyzer.cpp
===================================================================
--- src/streamanalyzer/textendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/textendanalyzer.cpp	(Arbeitskopie)
@@ -60,6 +60,9 @@
 
 char
 TextEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     if (idx.encoding().length()) {
 //        fprintf(stderr, "%s\n", idx.encoding().c_str());
     }
Index: src/streamanalyzer/expatsaxendanalyzer.cpp
===================================================================
--- src/streamanalyzer/expatsaxendanalyzer.cpp	(Revision 642694)
+++ src/streamanalyzer/expatsaxendanalyzer.cpp	(Arbeitskopie)
@@ -158,6 +158,9 @@
 }
 char
 SaxEndAnalyzer::analyze(AnalysisResult& idx, InputStream* in) {
+    if(!in)
+        return -1;
+
     const char* b;
     int32_t nread = in->read(b, 4, 0);
     if (nread >= 4) {



Index: kfile-plugins/dvi/dvithroughanalyzer.cpp
===================================================================
--- kfile-plugins/dvi/dvithroughanalyzer.cpp    (Revision 643838)
+++ kfile-plugins/dvi/dvithroughanalyzer.cpp    (Arbeitskopie)
@@ -101,6 +101,9 @@

 InputStream*
 DviThroughAnalyzer::connectInputStream(InputStream* in) {
+    if(!in)
+        return in;
+
     // read the header
     const char* c;
     int32_t nread = in->read(c, 270, 270);