warc: add license header.

[wget] / src / warc.c

diff --git a/src/warc.c b/src/warc.c
index 680ac99775dd717605adc0c7c0fbaa5958242b34..f18e21b8b8afe8ceb455c754f9fff52822aa4089 100644 (file)
--- a/src/warc.c
+++ b/src/warc.c
@@ -1,4 +1,32 @@
-/* Utility functions for writing WARC files. */
+/* Utility functions for writing WARC files.
+   Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+
+This file is part of GNU Wget.
+
+GNU Wget 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 3 of the License, or (at
+your option) any later version.
+
+GNU Wget 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 Wget.  If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work.  */
+
 #define _GNU_SOURCE
 
 #include "wget.h"
@@ -14,7 +42,9 @@
 #include <sha1.h>
 #include <base32.h>
 #include <unistd.h>
+#ifdef HAVE_LIBZ
 #include <zlib.h>
+#endif
 #ifdef HAVE_LIBUUID
 #include <uuid/uuid.h>
 #endif
@@ -42,6 +72,7 @@ static FILE *warc_manifest_fp;
 /* The current WARC file (or NULL, if WARC is disabled). */
 static FILE *warc_current_file;
 
+#ifdef HAVE_LIBZ
 /* The gzip stream for the current WARC file
    (or NULL, if WARC or gzip is disabled). */
 static gzFile *warc_current_gzfile;
@@ -51,6 +82,7 @@ static size_t warc_current_gzfile_offset;
 
 /* The uncompressed size (so far) of the current record. */
 static size_t warc_current_gzfile_uncompressed_size;
+# endif
 
 /* This is true until a warc_write_* method fails. */
 static bool warc_write_ok;
@@ -105,12 +137,14 @@ warc_cmp_sha1_digest (const void *digest1, const void *digest2)
 static size_t
 warc_write_buffer (const char *buffer, size_t size)
 {
+#ifdef HAVE_LIBZ
   if (warc_current_gzfile)
     {
       warc_current_gzfile_uncompressed_size += size;
       return gzwrite (warc_current_gzfile, buffer, size);
     }
   else
+#endif
     return fwrite (buffer, 1, size, warc_current_file);
 }
 
@@ -155,6 +189,7 @@ warc_write_start_record ()
   if (opt.warc_maxsize > 0 && ftell (warc_current_file) >= opt.warc_maxsize)
     warc_start_new_file (false);
 
+#ifdef HAVE_LIBZ
   /* Start a GZIP stream, if required. */
   if (opt.warc_compression_enabled)
     {
@@ -179,6 +214,7 @@ warc_write_start_record ()
           return false;
         }
     }
+#endif
 
   warc_write_string ("WARC/1.0\r\n");
   return warc_write_ok;
@@ -247,6 +283,7 @@ warc_write_end_record ()
 {
   warc_write_buffer ("\r\n\r\n", 4);
 
+#ifdef HAVE_LIBZ
   /* We start a new gzip stream for each record.  */
   if (warc_write_ok && warc_current_gzfile)
     {
@@ -325,6 +362,7 @@ warc_write_end_record ()
       fflush (warc_current_file);
       fseek (warc_current_file, 0, SEEK_END);
     }
+#endif /* HAVE_LIBZ */
 
   return warc_write_ok;
 }
@@ -687,7 +725,11 @@ warc_start_new_file (bool meta)
   char *new_filename = malloc (base_filename_length + 1 + 5 + 8 + 1);
   warc_current_filename = new_filename;
 
+#ifdef HAVE_LIBZ
   char *extension = (opt.warc_compression_enabled ? "warc.gz" : "warc");
+#else
+  char *extension = "warc";
+#endif
 
   /* If max size is enabled, we add a serial number to the file names. */
   if (meta)