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8fad471c6e
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34 Commits

Author SHA1 Message Date
Zdenek Kabelac
8fad471c6e headers: use configure.h as 1st. header 
Ensure configure.h is always 1st. included header.
Maybe we could eventually introduce gcc -include option, but for now
this better uses dependency tracking.

Also move _REENTRANT and _GNU_SOURCE into configure.h so it
doesn't need to be present in various source files.
This ensures consistent compilation of headers like stdio.h since
it may produce different declaration.

(cherry picked from commit 0b19387dae)

Conflicts:
	include/configure.h.in
 2018-12-17 16:10:56 +01:00
Zdenek Kabelac
98472b2579 gcc: avoid shadowing index 
Some older headers were declaring 'index' so avoid its usage.
/usr/include/string.h:489: warning: shadowed declaration is here
 2018-12-04 14:33:38 -06:00
Zdenek Kabelac
224bdce3eb makefiles: improving cleaning rules 2018-12-04 14:33:37 -06:00
Zdenek Kabelac
ae9cadd535 makefiles: avoid dependency calcs for base dir 
For some targets we do not want to generate dependencies.
Also add note about usage of such Makefile - it might be
possibly better to rename it to different filename to avoid
any confusion.
 2018-12-04 14:33:37 -06:00
Zdenek Kabelac
a75a9dcb58 base: use calloc 
Make zalloc a wrapper over calloc
 2018-12-04 14:33:37 -06:00
Zdenek Kabelac
d9f77b350e cov: mark warning as expected one 2018-12-04 14:33:36 -06:00
Zdenek Kabelac
e2cb6e8fe0 cov: overflow before widen 
Evaluate as 64bit arithmetic (instead of doing 32bit mults which can
in this case purely teoretically overflow).
 2018-12-04 14:33:35 -06:00
Zdenek Kabelac
30b1b57506 cov: add at least ASSERT 
Seems lot of code here can't handle failing allocation.
Meanwhile before bigger fix put in asserts in place.
 2018-10-15 17:49:44 +02:00
Zdenek Kabelac
eed8715e1d cov: fix missing null allocation check 2018-10-15 17:49:44 +02:00
Joe Thornber
8424655af9 Merge branch '2018-09-13-radix-tree-bug' 2018-09-20 14:43:51 +01:00
Joe Thornber
bda4f3a7ae [build] switch back to the adaptive radix tree 2018-09-20 14:40:28 +01:00
Joe Thornber
bb17302084 [radix-tree] tidy up _degrade_to_n48 
Shouldn't be any functional changes.
 2018-09-20 14:28:47 +01:00
Joe Thornber
ebd2d7773f [radix-tree] Fix bug in _degrade_to_n16 
Values were getting shuffled
 2018-09-20 14:20:16 +01:00
Joe Thornber
0ac7913c6a [radix-tree] Fix bug in _dump 
Values in an n48 were not being printed in the correct order.
 2018-09-20 14:18:57 +01:00
Joe Thornber
abe2210c26 [radix-tree] Add some extra checks to is_well_formed() 2018-09-20 14:18:10 +01:00
David Teigland
41ef146dc3 radix-tree: default to simple version 
Avoid problems with the advanced version.
 2018-09-17 11:19:53 -05:00
Joe Thornber
4d964133e2 [radix-tree] alternative radix-tree implementation. 
Sacrifices performance for simplicity, meant only for verification of
the real adaptive implementation.
 2018-09-11 13:12:07 +01:00
Joe Thornber
8b05f1f230 radix-tree: Fix bug in remove_prefix() 
Accidental decrement of the nr entries when a n256 didn't have the
entry in the first place.
 2018-08-20 15:23:40 +01:00
Joe Thornber
254e5c5d11 radix-tree: squash a pointer arithmetic warning 2018-06-21 17:41:56 +01:00
Joe Thornber
72e2e92f4c radix-tree: fix bug when erasing elts in remove_prefix 
_erase_elt() now zeroes the last element of the array (ie. sets to
UNSET).  Previously remove() was doing this, but not remove_prefix().
 2018-06-21 17:10:05 +01:00
Joe Thornber
40c1f7889f radix-tree: More debugging of remove 
There's now a pretty printer called radix_tree_dump()

n4, n16, and n48 weren't UNSETting the last entry after
sliding values down.
 2018-06-21 09:49:43 +01:00
Joe Thornber
20b9746c5d radix-tree: FIx various bugs to do with removal 
Add radix_tree_is_well_formed() which does some sanity checking
of the tree.

Call the above a lot in the unit tests.

Fix revealed bugs.
 2018-06-21 09:49:08 +01:00
Joe Thornber
61e67e51e1 device_mapper: move hash.[hc] to base/data-struct 2018-06-08 13:54:19 +01:00
Joe Thornber
88ae928ca3 base: Move list to base/data-struct 2018-06-08 11:24:18 +01:00
Joe Thornber
2eda683a20 build: base/Makefile 
.gitignore hid it.
 2018-06-04 15:37:35 +01:00
Joe Thornber
06c789eda1 radix-tree: fix some bugs in remove_prefix and iterate 
These weren't working if the prefix key was part of a prefix_chain.
 2018-05-30 14:21:27 +01:00
Joe Thornber
1924426ad1 radix-tree: radix_tree_iterate() 2018-05-29 17:58:58 +01:00
Joe Thornber
c2a8bbed3b radix-tree: radix_tree_remove_prefix() 2018-05-29 13:25:59 +01:00
Joe Thornber
9b41efae82 radix-tree: call the value dtr when removing an entry. 2018-05-29 11:23:36 +01:00
Joe Thornber
0181c77e3f Merge branch '2018-05-29-radix-tree-iterate' into 2018-05-23-radix-tree-remove 2018-05-29 11:04:32 +01:00
Joe Thornber
033df741e2 data-struct/radix-tree: pass the value dtr into create. 
Rather than having to pass it into every method that removes items.
 2018-05-29 11:03:10 +01:00
Joe Thornber
b7fd8ac8eb radix_tree: add remove method 2018-05-23 12:48:06 +01:00
Joe Thornber
30a4c7988e radix-tree: remove some unneccessary includes 2018-05-11 09:46:34 +01:00
Joe Thornber
576dd1fc41 radix-tree: First drop of radix tree. 
An implementation of an adaptive radix tree.  Has the following nice
properties:

  - At least as fast as the hash table
  - Uses less memory
  - You don't need to give an expected size when you create
  - It scales nicely (ie. no large reallocations like the hash table).
  - You can iterate the keys in lexicographical order.

Only insert and lookup are implemented so far.  Plus there's a lot
more performance to come.
 2018-05-11 06:10:01 +01:00