correct some style/performance/warnings from cppcheck

The most "visible" change is from utime to utimensat/futimens
as the first one isn't part of POSIX anymore.

Reported-By: cppcheck
Git-Dch: Ignore

11 files changed, 94 insertions, 92 deletions

diff --git a/methods/connect.cc b/methods/connect.cc
index fc7a72ee9..d9c9a1dd4 100644
--- a/methods/connect.cc
+++ b/methods/connect.cc
@@ -142,9 +142,9 @@ bool Connect(std::string Host,int Port,const char *Service,int DefPort,int &Fd,
    // Convert the port name/number
    char ServStr[300];
    if (Port != 0)
-      snprintf(ServStr,sizeof(ServStr),"%u",Port);
+      snprintf(ServStr,sizeof(ServStr),"%i", Port);
    else
-      snprintf(ServStr,sizeof(ServStr),"%s",Service);
+      snprintf(ServStr,sizeof(ServStr),"%s", Service);
    
    /* We used a cached address record.. Yes this is against the spec but
       the way we have setup our rotating dns suggests that this is more
@@ -190,7 +190,7 @@ bool Connect(std::string Host,int Port,const char *Service,int DefPort,int &Fd,
 	    {
 	       if (DefPort != 0)
 	       {
-		  snprintf(ServStr,sizeof(ServStr),"%u",DefPort);
+		  snprintf(ServStr, sizeof(ServStr), "%i", DefPort);
 		  DefPort = 0;
 		  continue;
 	       }
diff --git a/methods/copy.cc b/methods/copy.cc
index e81d0022b..744cc2b51 100644
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -18,7 +18,6 @@
 #include <apt-pkg/hashes.h>
 
 #include <sys/stat.h>
-#include <utime.h>
 #include <unistd.h>
 #include <apti18n.h>
 									/*}}}*/
@@ -71,18 +70,19 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    }
 
    From.Close();
-   To.Close();
-   
+
    // Transfer the modification times
-   struct utimbuf TimeBuf;
-   TimeBuf.actime = Buf.st_atime;
-   TimeBuf.modtime = Buf.st_mtime;
-   if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0)
+   struct timespec times[2];
+   times[0].tv_sec = Buf.st_atime;
+   times[1].tv_sec = Buf.st_mtime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   if (futimens(To.Fd(), times) != 0)
    {
       To.OpFail();
-      return _error->Errno("utime",_("Failed to set modification time"));
+      return _error->Errno("futimens",_("Failed to set modification time"));
    }
-   
+   To.Close();
+
    Hashes Hash;
    FileFd Fd(Res.Filename, FileFd::ReadOnly);
    Hash.AddFD(Fd);
diff --git a/methods/ftp.cc b/methods/ftp.cc
index 979adca62..2d05364d5 100644
--- a/methods/ftp.cc
+++ b/methods/ftp.cc
@@ -26,7 +26,6 @@
 
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
@@ -953,14 +952,16 @@ void FtpMethod::SigTerm(int)
 {
    if (FailFd == -1)
       _exit(100);
-   close(FailFd);
-   
+
    // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(FailFile.c_str(),&UBuf);
-   
+   struct timespec times[2];
+   times[0].tv_sec = FailTime;
+   times[1].tv_sec = FailTime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   futimens(FailFd, times);
+
+   close(FailFd);
+
    _exit(100);
 }
 									/*}}}*/
@@ -1059,13 +1060,14 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       if (Server->Get(File,Fd,Res.ResumePoint,Hash,Missing) == false)
       {
 	 Fd.Close();
-	 
+
 	 // Timestamp
-	 struct utimbuf UBuf;
-	 UBuf.actime = FailTime;
-	 UBuf.modtime = FailTime;
-	 utime(FailFile.c_str(),&UBuf);
-	 
+	 struct timespec times[2];
+	 times[0].tv_sec = FailTime;
+	 times[1].tv_sec = FailTime;
+	 times[0].tv_nsec = times[1].tv_nsec = 0;
+	 futimens(FailFd, times);
+
 	 // If the file is missing we hard fail and delete the destfile
 	 // otherwise transient fail
 	 if (Missing == true) {
@@ -1077,20 +1079,21 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       }
 
       Res.Size = Fd.Size();
+
+      // Timestamp
+      struct timespec times[2];
+      times[0].tv_sec = FailTime;
+      times[1].tv_sec = FailTime;
+      times[0].tv_nsec = times[1].tv_nsec = 0;
+      futimens(Fd.Fd(), times);
+      FailFd = -1;
    }
-   
+
    Res.LastModified = FailTime;
    Res.TakeHashes(Hash);
-   
-   // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(Queue->DestFile.c_str(),&UBuf);
-   FailFd = -1;
 
    URIDone(Res);
-   
+
    return true;
 }
 									/*}}}*/
diff --git a/methods/gzip.cc b/methods/gzip.cc
index 48c8e9892..f1edb353b 100644
--- a/methods/gzip.cc
+++ b/methods/gzip.cc
@@ -19,7 +19,6 @@
 
 #include <sys/stat.h>
 #include <unistd.h>
-#include <utime.h>
 #include <stdio.h>
 #include <errno.h>
 #include <apti18n.h>
@@ -94,32 +93,35 @@ bool GzipMethod::Fetch(FetchItem *Itm)
    }
    
    From.Close();
-   To.Close();
-   
+
    if (Failed == true)
       return false;
-   
+
    // Transfer the modification times
    struct stat Buf;
    if (stat(Path.c_str(),&Buf) != 0)
       return _error->Errno("stat",_("Failed to stat"));
 
-   struct utimbuf TimeBuf;
-   TimeBuf.actime = Buf.st_atime;
-   TimeBuf.modtime = Buf.st_mtime;
-   if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0)
-      return _error->Errno("utime",_("Failed to set modification time"));
+   struct timespec times[2];
+   times[0].tv_sec = Buf.st_atime;
+   times[1].tv_sec = Buf.st_mtime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   if (futimens(To.Fd(), times) != 0)
+   {
+      To.OpFail();
+      return _error->Errno("futimens",_("Failed to set modification time"));
+   }
+   Res.Size = To.FileSize();
+   To.Close();
 
    if (stat(Itm->DestFile.c_str(),&Buf) != 0)
       return _error->Errno("stat",_("Failed to stat"));
-   
+
    // Return a Done response
    Res.LastModified = Buf.st_mtime;
-   Res.Size = Buf.st_size;
    Res.TakeHashes(Hash);
 
    URIDone(Res);
-   
    return true;
 }
 									/*}}}*/
diff --git a/methods/http.cc b/methods/http.cc
index b22b61efc..e1390afcb 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -97,8 +97,6 @@ void CircleBuf::Reset()
    is non-blocking.. */
 bool CircleBuf::Read(int Fd)
 {
-   unsigned long long BwReadMax;
-
    while (1)
    {
       // Woops, buffer is full
@@ -106,7 +104,7 @@ bool CircleBuf::Read(int Fd)
 	 return true;
 
       // what's left to read in this tick
-      BwReadMax = CircleBuf::BwReadLimit/BW_HZ;
+      unsigned long long const BwReadMax = CircleBuf::BwReadLimit/BW_HZ;
 
       if(CircleBuf::BwReadLimit) {
 	 struct timeval now;
diff --git a/methods/https.cc b/methods/https.cc
index 2a562434b..e16e36339 100644
--- a/methods/https.cc
+++ b/methods/https.cc
@@ -21,7 +21,6 @@
 
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
@@ -405,10 +404,11 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    curl_easy_getinfo(curl, CURLINFO_FILETIME, &Res.LastModified);
    if (Res.LastModified != -1)
    {
-      struct utimbuf UBuf;
-      UBuf.actime = Res.LastModified;
-      UBuf.modtime = Res.LastModified;
-      utime(File->Name().c_str(),&UBuf);
+      struct timespec times[2];
+      times[0].tv_sec = Res.LastModified;
+      times[1].tv_sec = Res.LastModified;
+      times[0].tv_nsec = times[1].tv_nsec = 0;
+      futimens(File->Fd(), times);
    }
    else
       Res.LastModified = resultStat.st_mtime;
diff --git a/methods/https.h b/methods/https.h
index 8632d6d02..89a89d19c 100644
--- a/methods/https.h
+++ b/methods/https.h
@@ -65,7 +65,7 @@ class HttpsMethod : public pkgAcqMethod
    public:
    FileFd *File;
       
-   HttpsMethod() : pkgAcqMethod("1.2",Pipeline | SendConfig) 
+   HttpsMethod() : pkgAcqMethod("1.2",Pipeline | SendConfig), File(NULL)
    {
       File = 0;
       curl = curl_easy_init();
diff --git a/methods/mirror.cc b/methods/mirror.cc
index 854366318..83ef0d133 100644
--- a/methods/mirror.cc
+++ b/methods/mirror.cc
@@ -114,7 +114,7 @@ bool MirrorMethod::Clean(string Dir)
       for(I=list.begin(); I != list.end(); ++I)
       {
 	 string uri = (*I)->GetURI();
-	 if(uri.find("mirror://") != 0)
+	 if(uri.compare(0, strlen("mirror://"), "mirror://") != 0)
 	    continue;
 	 string BaseUri = uri.substr(0,uri.size()-1);
 	 if (URItoFileName(BaseUri) == Dir->d_name)
@@ -198,9 +198,9 @@ bool MirrorMethod::RandomizeMirrorFile(string mirror_file)
    // "stable" on the same machine. this is to avoid running into out-of-sync
    // issues (i.e. Release/Release.gpg different on each mirror)
    struct utsname buf;
-   int seed=1, i;
+   int seed=1;
    if(uname(&buf) == 0) {
-      for(i=0,seed=1; buf.nodename[i] != 0; i++) {
+      for(int i=0,seed=1; buf.nodename[i] != 0; ++i) {
          seed = seed * 31 + buf.nodename[i];
       }
    }
@@ -306,7 +306,7 @@ bool MirrorMethod::InitMirrors()
       if (s.size() == 0)
          continue;
       // ignore non http lines
-      if (s.find("http://") != 0)
+      if (s.compare(0, strlen("http://"), "http://") != 0)
          continue;
 
       AllMirrors.push_back(s);
diff --git a/methods/rsh.cc b/methods/rsh.cc
index d76dca6ef..a441220bf 100644
--- a/methods/rsh.cc
+++ b/methods/rsh.cc
@@ -20,7 +20,6 @@
 
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
@@ -395,13 +394,14 @@ void RSHMethod::SigTerm(int sig)
 {
    if (FailFd == -1)
       _exit(100);
-   close(FailFd);
 
-   // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(FailFile.c_str(),&UBuf);
+   // Transfer the modification times
+   struct timespec times[2];
+   times[0].tv_sec = FailTime;
+   times[1].tv_sec = FailTime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   futimens(FailFd, times);
+   close(FailFd);
 
    _exit(100);
 }
@@ -488,10 +488,11 @@ bool RSHMethod::Fetch(FetchItem *Itm)
 	 Fd.Close();
 
 	 // Timestamp
-	 struct utimbuf UBuf;
-	 UBuf.actime = FailTime;
-	 UBuf.modtime = FailTime;
-	 utime(FailFile.c_str(),&UBuf);
+	 struct timespec times[2];
+	 times[0].tv_sec = FailTime;
+	 times[1].tv_sec = FailTime;
+	 times[0].tv_nsec = times[1].tv_nsec = 0;
+	 futimens(FailFd, times);
 
 	 // If the file is missing we hard fail otherwise transient fail
 	 if (Missing == true)
@@ -501,18 +502,17 @@ bool RSHMethod::Fetch(FetchItem *Itm)
       }
 
       Res.Size = Fd.Size();
+      struct timespec times[2];
+      times[0].tv_sec = FailTime;
+      times[1].tv_sec = FailTime;
+      times[0].tv_nsec = times[1].tv_nsec = 0;
+      futimens(Fd.Fd(), times);
+      FailFd = -1;
    }
 
    Res.LastModified = FailTime;
    Res.TakeHashes(Hash);
 
-   // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(Queue->DestFile.c_str(),&UBuf);
-   FailFd = -1;
-
    URIDone(Res);
 
    return true;
diff --git a/methods/server.cc b/methods/server.cc
index a2128441c..e12c23c07 100644
--- a/methods/server.cc
+++ b/methods/server.cc
@@ -17,9 +17,9 @@
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>
 
+#include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
@@ -368,14 +368,14 @@ void ServerMethod::SigTerm(int)
 {
    if (FailFd == -1)
       _exit(100);
+
+   struct timespec times[2];
+   times[0].tv_sec = FailTime;
+   times[1].tv_sec = FailTime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   futimens(FailFd, times);
    close(FailFd);
-   
-   // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(FailFile.c_str(),&UBuf);
-   
+
    _exit(100);
 }
 									/*}}}*/
@@ -539,11 +539,10 @@ int ServerMethod::Loop()
 	    File = 0;
 	    
 	    // Timestamp
-	    struct utimbuf UBuf;
-	    time(&UBuf.actime);
-	    UBuf.actime = Server->Date;
-	    UBuf.modtime = Server->Date;
-	    utime(Queue->DestFile.c_str(),&UBuf);
+	    struct timespec times[2];
+	    times[0].tv_sec = times[1].tv_sec = Server->Date;
+	    times[0].tv_nsec = times[1].tv_nsec = 0;
+	    utimensat(AT_FDCWD, Queue->DestFile.c_str(), times, AT_SYMLINK_NOFOLLOW);
 
 	    // Send status to APT
 	    if (Result == true)
diff --git a/methods/server.h b/methods/server.h
index 4dc6a1f2f..2b81e6173 100644
--- a/methods/server.h
+++ b/methods/server.h
@@ -137,7 +137,7 @@ class ServerMethod : public pkgAcqMethod
    virtual ServerState * CreateServerState(URI uri) = 0;
    virtual void RotateDNS() = 0;
 
-   ServerMethod(const char *Ver,unsigned long Flags = 0) : pkgAcqMethod(Ver, Flags), PipelineDepth(0), AllowRedirect(false), Debug(false) {};
+   ServerMethod(const char *Ver,unsigned long Flags = 0) : pkgAcqMethod(Ver, Flags), Server(NULL), File(NULL), PipelineDepth(0), AllowRedirect(false), Debug(false) {};
    virtual ~ServerMethod() {};
 };