COMP: Fix warnings on 64-bit Mac OS X build. Patch from issue #3697.

Source/CPack/cmCPackDebGenerator.cxx

@@ -338,7 +338,7 @@ static int copy_ar(CF *cfp, off_t size)
 {
   static char pad = '\n';
   off_t sz = size;
-  int nr, nw;
+  size_t nr, nw;
   char buf[8*1024];
 
   if (sz == 0)
@@ -347,11 +347,11 @@ static int copy_ar(CF *cfp, off_t size)
   FILE* from = cfp->rFile;
   FILE* to = cfp->wFile;
   while (sz && 
-        (nr = fread(buf, 1, sz < off_t(sizeof(buf)) ? sz : sizeof(buf), from ))
+        (nr = fread(buf, 1, sz < static_cast<off_t>(sizeof(buf)) ? static_cast<size_t>(sz) : sizeof(buf), from ))
                > 0) {
     sz -= nr;
-    for (int off = 0; off < nr; nr -= off, off += nw)
+    for (size_t off = 0; off < nr; nr -= off, off += nw)
-      if ((nw = fwrite(buf + off, 1, nr, to)) < 0)
+      if ((nw = fwrite(buf + off, 1, nr, to)) < nr)
         return -1;
     }
   if (sz)
@@ -424,7 +424,7 @@ static int ar_append(const char* archive,const std::vector<std::string>& files)
   FILE* aFile = fopen(archive, "wb+");
   if (aFile!=NULL) {
     fwrite(ARMAG, SARMAG, 1, aFile);
-    if (fseek(aFile, (off_t)0, SEEK_END) != (off_t)-1) {
+    if (fseek(aFile, 0, SEEK_END) != -1) {
       CF cf;
       struct stat sb;
       /* Read from disk, write to an archive; pad on write. */

Source/CPack/cmCPackNSISGenerator.cxx

@@ -216,8 +216,8 @@ int cmCPackNSISGenerator::InitializeInternal()
       << "Please check " << tmpFile.c_str() << " for errors" << std::endl);
     return 0;
     }
-  float nsisVersion = atof(versionRex.match(1).c_str());
+  double nsisVersion = atof(versionRex.match(1).c_str());
-  float minNSISVersion = 2.09;
+  double minNSISVersion = 2.09;
   cmCPackLogger(cmCPackLog::LOG_DEBUG, "NSIS Version: "
     << nsisVersion << std::endl);
   if ( nsisVersion < minNSISVersion )

Source/CPack/cmCPackPackageMakerGenerator.cxx

@@ -30,7 +30,7 @@
 //----------------------------------------------------------------------
 cmCPackPackageMakerGenerator::cmCPackPackageMakerGenerator()
 {
-  this->PackageMakerVersion = 0;
+  this->PackageMakerVersion = 0.0;
 }
 
 //----------------------------------------------------------------------
@@ -196,7 +196,7 @@ int cmCPackPackageMakerGenerator::InitializeInternal()
     return 0;
     }
   this->PackageMakerVersion = atof(rexVersion.match(1).c_str());
-  if ( this->PackageMakerVersion < 1 )
+  if ( this->PackageMakerVersion < 1.0 )
     {
     cmCPackLogger(cmCPackLog::LOG_ERROR, "Require PackageMaker 1.0 or higher"
       << std::endl);

Source/CPack/cmCPackPackageMakerGenerator.h

@@ -48,7 +48,7 @@ protected:
   bool CopyCreateResourceFile(const char* name);
   bool CopyResourcePlistFile(const char* name);
 
-  float PackageMakerVersion;
+  double PackageMakerVersion;
 };
 
 #endif

Source/CTest/cmCTestCoverageHandler.cxx

@@ -1501,15 +1501,15 @@ int cmCTestCoverageHandler::RunBullseyeSourceSummary(
       float cper = percentBranch + percentFunction;
       if(totalBranches > 0)
         {
-        cper /= 2.0;
+        cper /= 2.0f;
         }
       percent_coverage += cper;
       float cmet = percentFunction + percentBranch;
       if(totalBranches > 0)
         {
-        cmet /= 2.0;
+        cmet /= 2.0f;
         }
-      cmet /= 100.0;
+      cmet /= 100.0f;
       // Hack for conversion of function to loc assume a function
       // has 100 lines of code
       functionsCalled *=100;

Source/CTest/cmCTestSubmitHandler.cxx

@@ -695,7 +695,15 @@ bool cmCTestSubmitHandler::SubmitUsingXMLRPC(const cmStdString& localprefix,
       return false;
       }
 
-    size_t fileSize = st.st_size;
+    // off_t can be bigger than size_t.  fread takes size_t.
+    // make sure the file is not too big.
+    if (st.st_size > (size_t)-1)
+      {
+      cmCTestLog(this->CTest, ERROR_MESSAGE, "  File too big: "
+        << local_file.c_str() << std::endl);
+      return false;
+      }
+    size_t fileSize = static_cast<size_t>(st.st_size);
     FILE* fp = fopen(local_file.c_str(), "rb");
     if ( !fp )
       {

Source/cmake.cxx

@@ -2484,8 +2484,8 @@ void cmake::TruncateOutputLog(const char* fname)
     cmSystemTools::RemoveFile(fullPath.c_str());
     return;
     }
-  size_t fsize = st.st_size;
+  off_t fsize = st.st_size;
-  const size_t maxFileSize = 50 * 1024;
+  const off_t maxFileSize = 50 * 1024;
   if ( fsize < maxFileSize )
     {
     //TODO: truncate file

Source/kwsys/SystemTools.cxx

@@ -1588,17 +1588,16 @@ bool SystemTools::FilesDiffer(const char* source,
   // Compare the files a block at a time.
   char source_buf[KWSYS_ST_BUFFER];
   char dest_buf[KWSYS_ST_BUFFER];
-  long nleft = statSource.st_size;
+  off_t nleft = statSource.st_size;
   while(nleft > 0)
     {
     // Read a block from each file.
-    long nnext = (nleft > KWSYS_ST_BUFFER)? KWSYS_ST_BUFFER : nleft;
+    kwsys_ios::streamsize nnext = (nleft > KWSYS_ST_BUFFER)? KWSYS_ST_BUFFER : static_cast<kwsys_ios::streamsize>(nleft);
     finSource.read(source_buf, nnext);
     finDestination.read(dest_buf, nnext);
 
     // If either failed to read assume they are different.
-    if(static_cast<long>(finSource.gcount()) != nnext ||
+    if(finSource.gcount() != nnext || finDestination.gcount() != nnext)
-       static_cast<long>(finDestination.gcount()) != nnext)
       {
       return true;
       }

Utilities/cmcurl/ftp.c

@@ -3384,8 +3384,9 @@ CURLcode ftp_perform(struct connectdata *conn,
   }
   *connected = conn->bits.tcpconnect;
 
-  if(*dophase_done)
+  if(*dophase_done) {
     DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
   
   return result;
 }