Imported httrack 3.20.2

1 files changed, 84 insertions, 0 deletions

diff --git a/src/htszlib.c b/src/htszlib.c
new file mode 100644
index 0000000..d138a1c
--- /dev/null
+++ b/src/htszlib.c
@@ -0,0 +1,84 @@
+/* ------------------------------------------------------------ */
+/*
+HTTrack Website Copier, Offline Browser for Windows and Unix
+Copyright (C) Xavier Roche and other contributors
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+
+Important notes:
+
+- We hereby ask people using this source NOT to use it in purpose of grabbing
+emails addresses, or collecting any other private information on persons.
+This would disgrace our work, and spoil the many hours we spent on it.
+
+
+Please visit our Website: http://www.httrack.com
+*/
+
+
+/* ------------------------------------------------------------ */
+/* File: Unpacking subroutines using Jean-loup Gailly's Zlib    */
+/*       for http compressed data                               */
+/* Author: Xavier Roche                                         */
+/* ------------------------------------------------------------ */
+
+
+/* specific definitions */
+#include <stdio.h>
+#include <stdlib.h>
+#include "htsbase.h"
+#include "htscore.h"
+
+#if HTS_USEZLIB
+
+/* zlib */
+#include <zlib.h>
+#include "htszlib.h"
+
+/*
+  Unpack file into a new file
+  Return value: size of the new file, or -1 if an error occured
+*/
+int hts_zunpack(char* filename,char* newfile) {
+  if (filename && newfile) {
+    if (filename[0] && newfile[0]) {
+      gzFile gz = gzopen (filename, "rb");
+      if (gz) {
+        FILE* fpout=fopen(fconv(newfile),"wb");
+        int size=0;
+        if (fpout) {
+          int nr;
+          do {
+            char buff[1024];
+            nr=gzread (gz, buff, 1024);
+            if (nr>0) {
+              size+=nr;
+              if ((int)fwrite(buff,1,nr,fpout) != nr)
+                nr=size=-1;
+            }
+          } while(nr>0);
+          fclose(fpout);
+        } else
+          size=-1;
+        gzclose(gz);
+        return size;
+      }
+    }
+  }
+  return -1;
+}
+
+#endif