Revert "Remove unused option to ignore write errors for save fragments."

Wasn't unused after all.

This reverts commit 85c029f90f2150304624966408f27ed03fa557e6.
This reverts commit 8f1bf02ff69b91399f66c8542e115848ba0d79bb.

1 files changed, 12 insertions, 5 deletions

diff --git a/crawl-ref/source/tags.h b/crawl-ref/source/tags.h
index a868cd2a7b..dac3e29706 100644
--- a/crawl-ref/source/tags.h
+++ b/crawl-ref/source/tags.h
@@ -35,16 +35,18 @@ enum tag_type   // used during save/load process to identify data blocks
 class writer
 {
 public:
-    writer(const string &filename, FILE* output)
-        : _filename(filename), _file(output), _chunk(0), _pbuf(0)
+    writer(const string &filename, FILE* output, bool ignore_errors = false)
+        : _filename(filename), _file(output), _chunk(0),
+          _ignore_errors(ignore_errors), _pbuf(0), failed(false)
     {
         ASSERT(output);
     }
     writer(vector<unsigned char>* poutput)
-        : _filename(), _file(0), _chunk(0), _pbuf(poutput)
-    { ASSERT(poutput); }
+        : _filename(), _file(0), _chunk(0), _ignore_errors(false),
+          _pbuf(poutput), failed(false) { ASSERT(poutput); }
     writer(package *save, const string &chunkname)
-        : _filename(), _file(0), _chunk(0)
+        : _filename(), _file(0), _chunk(0), _ignore_errors(false),
+          failed(false)
     {
         ASSERT(save);
         _chunk = save->writer(chunkname);
@@ -56,6 +58,8 @@ public:
     void write(const void *data, size_t size);
     long tell();
 
+    bool succeeded() const { return !failed; }
+
 private:
     void check_ok(bool ok);
 
@@ -63,8 +67,11 @@ private:
     string _filename;
     FILE* _file;
     chunk_writer *_chunk;
+    bool _ignore_errors;
 
     vector<unsigned char>* _pbuf;
+
+    bool failed;
 };
 
 void marshallByte    (writer &, int8_t);