1 files changed, 74 insertions, 0 deletions
diff --git a/src/maildir-writecache.cc b/src/maildir-writecache.cc
new file mode 100644
index 0000000..feda4bd
--- /dev/null
+++ b/src/maildir-writecache.cc
@@ -0,0 +1,74 @@
+/**  --------------------------------------------------------------------
+ *  @file maildir-writecache.cc
+ *  @brief  Implementation of the Maildir class.
+ *  @author Andreas Aardal Hanssen
+ *  @date 2002-2005 
+ *  ------------------------------------------------------------------ **/
+#include <dirent.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "globals.h"
+#include "maildir.h"
+
+using namespace ::std;
+
+//------------------------------------------------------------------------
+bool Binc::Maildir::writeCache(void)
+{
+  if (readOnly)
+    return true;
+
+  char *safename = strdup((path + "/.bincimap-cache-tmp-XXXXXX").c_str());
+  int fd = mkstemp(safename);
+  if (!fd) {
+    free(safename);
+    return false;
+  }
+
+  string safeName = safename;
+  free(safename);
+
+  FILE *fp = fdopen(fd, "w");
+  if (!fp) {
+    unlink(safeName.c_str());
+    return false;
+  }
+
+  if (uidvalidity == 0 || uidnext == 0) {
+    uidvalidity = time(0);
+    uidnext = messages.size() + 1;
+  }
+
+  fprintf(fp, "%s %u %u\n", BINC_CACHE, uidvalidity, uidnext);
+  Mailbox::iterator i = begin(SequenceSet::all(), INCLUDE_EXPUNGED);
+  for (; i != end(); ++i) {
+    MaildirMessage &message = (MaildirMessage &)*i;
+    fprintf(fp, "%u %u %u %s", message.getUID(), 
+               (unsigned int) message.getInternalDate(), message.getSize(),
+               message.getUnique().c_str());
+    vector<string> cflags = message.getCustomFlags();
+    for (vector<string>::const_iterator it = cflags.begin();
+         it != cflags.end(); ++it) {
+      fprintf(fp, " %s", (*it).c_str());
+    }
+    fprintf(fp, "\n");
+  }
+
+  if (fflush(fp) || (fsync(fd) && (errno != EROFS || errno != EINVAL)) || fclose(fp)) {
+    unlink(safeName.c_str());
+    return false;
+  }
+
+  if (rename(safeName.c_str(), (path + "/bincimap-cache").c_str()) != 0) {
+    unlink(safeName.c_str());
+    return false;
+  }
+
+  int dfd = open(path.c_str(), O_RDONLY);
+  if (dfd == -1 || (fsync(fd) && (errno != EROFS || errno != EINVAL)) || close(dfd)) {
+    return false;
+  }
+
+  return true;
+}