# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1618698463 -7200
# Node ID 808968fd16e5ee0ab2495b1549571faf7520f203
# Parent  bfd9e56484870962d7ddf3e5147b926c77a97053
Added automatic memory mapping for reading and writing if not already performed.

diff -r bfd9e5648487 -r 808968fd16e5 libfsclient/lib/src/client.cc
--- a/libfsclient/lib/src/client.cc	Sun Apr 18 00:26:47 2021 +0200
+++ b/libfsclient/lib/src/client.cc	Sun Apr 18 00:27:43 2021 +0200
@@ -200,6 +200,11 @@
   if (file == NULL)
     return 0;
 
+  /* Map memory if none has been mapped so far. */
+
+  if ((file->memory == NULL) && (client_mmap(file, client_tell(file), count) == NULL))
+    return 0;
+
   /* Amount available in the descriptor buffer already. */
 
   offset_t available = file_data_available(file);
@@ -334,6 +339,11 @@
   if (file == NULL)
     return 0;
 
+  /* Map memory if none has been mapped so far. */
+
+  if ((file->memory == NULL) && (client_mmap(file, client_tell(file), count) == NULL))
+    return 0;
+
   /* Attempt to ensure that the file can accept the amount of data to be
      written. This may not resize to the needed amount if a file has a fixed
      size, but data will still be written to any available space. */