Changeset 2428 in Sophya for trunk/Eval/COS/pbseekios.cc

Timestamp:

Sep 12, 2003, 11:06:16 AM (22 years ago)

Author:

ansari

Message:

Indication probleme avec lecture sous MacOSX 10.2 (g++ 3.1) apres lecture dernier byte du fichier - Reza 12/09/2003

File:

• trunk/Eval/COS/pbseekios.cc (modified) (5 diffs)

trunk/Eval/COS/pbseekios.cc

@@ -24 +24 @@
 // # while seekg(... ios::beg) works OK (tstseekbegread())
 // csh> ./pbseekios 
+// September 2003
+// The problem with seekg(... ios::end) seems to be solved 
+// with gcc 3.1, 
+// However, on MacOSX 10.2, with gcc 3.1, reading the last byte of
+// a file causes an error and stream can not be positionned anymore
 // ----------------------------------------------------
 
@@ -48 +53 @@
   float fv;
   char * flnm = "pbseekios.dat";
-// ofstream os(flnm, ios::out | ios::binary);  
+ ofstream os(flnm, ios::out | ios::binary);  
   cout << ">>>> tstseqwrite() - Sequential writing to file " << flnm << endl; 
-  ofstream os(flnm, ios::out );  
+  //  ofstream os(flnm, ios::out );  
   for(i=0; i<7; i++) {
     iv = 1000+i*10;
@@ -81 +86 @@
     cout << "Read@" << i << " : Pos= " << pos << " IV=" << iv 
          << " FV= " << fv << " Expect:(" 
-         << iv0 << "," << fv0 << ")" << endl;
+         << iv0 << "," << fv0 << ")" 
+         << " ->NewPos="<< is.tellg() << endl;
     if (iv != iv0) rc++; 
   }
@@ -115 +121 @@
     cout << "Read@" << num[i] << " : Pos= " << pos << " IV=" << iv 
          << " FV= " << fv << " Expect:(" 
-         << iv0 << "," << fv0 << ")" << endl;
+         << iv0 << "," << fv0 << ")" 
+         << " ->NewPos="<< is.tellg() << endl;
     if (iv != iv0) rc++;
   }
@@ -149 +156 @@
     cout << "Read@" << num[i] << " : Pos= " << pos << " IV=" << iv 
          << " FV= " << fv << " Expect:(" 
-         << iv0 << "," << fv0 << ")" << endl;
+         << iv0 << "," << fv0 << ")" 
+         << " ->NewPos="<< is.tellg() << endl;
     if (iv != iv0) rc++;
   }