http://hg.omfa.de/prosody-hg/ en-us prosody-hg: util-src/ringbuffer.c history util-src/ringbuffer.c revision history util.ringbuffer: find(): Fix find logic bugs http://hg.omfa.de/prosody-hg/log/67b68147ed1d/util-src/ringbuffer.c
If the buffer was full, find() would return earlier (wpos == rpos). Checking
blen is the better way to test if the buffer is empty.

Secondly, the loop scanned for blen - l, but if l (length of needle) was
larger than the buffer length, this calculation would underflow and cause a
lot of spinning.

New tests have been added to cover various edge cases of :find().]]> Matthew Wild <mwild1@gmail.com> Mon, 25 May 2026 14:44:20 +0100 util.ringbuffer: Fix incorrect returned position from :find() for #needle~=1 http://hg.omfa.de/prosody-hg/log/2bcabbeac9b0/util-src/ringbuffer.c
And add a test for :find()]]> Matthew Wild <mwild1@gmail.com> Mon, 25 May 2026 14:41:06 +0100 util: Add compat for prosody module name change to C sources http://hg.omfa.de/prosody-hg/log/a187600ec7d6/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Fri, 17 Mar 2023 18:03:07 +0100 util-src: Remove Lua 5.1 compat macros http://hg.omfa.de/prosody-hg/log/1f6f05a98fcd/util-src/ringbuffer.c
Part of #1600]]> Kim Alvefur <zash@zash.se> Fri, 01 Jul 2022 21:21:21 +0200 util.ringbuffer: Ensure unsigned chars are always returned from :byte() http://hg.omfa.de/prosody-hg/log/c3b3ac63f4c3/util-src/ringbuffer.c Matthew Wild <mwild1@gmail.com> Wed, 24 Jun 2020 12:34:20 +0100 util-src: Use the luaL_pushfail API added in Lua 5.4 to highlight all failure conditions http://hg.omfa.de/prosody-hg/log/6eb5d2bb11af/util-src/ringbuffer.c
Actually just an alias of pushnil, but it does make it more obvious
where the failure conditions are, which is good for readability.]]> Kim Alvefur <zash@zash.se> Sun, 07 Jun 2020 02:25:56 +0200 util.ringbuffer: Add :sub() and :byte() methods equivalent to the string methods http://hg.omfa.de/prosody-hg/log/5e33926f4b43/util-src/ringbuffer.c Matthew Wild <mwild1@gmail.com> Thu, 04 Jun 2020 15:19:20 +0100 util.ringbuffer: Prevent creation of buffer with negative size http://hg.omfa.de/prosody-hg/log/8048255ae61e/util-src/ringbuffer.c
Previously this would have been (unsigned)-1 which is a large positive
integer.]]> Kim Alvefur <zash@zash.se> Thu, 04 Jun 2020 16:11:08 +0200 util.ringbuffer: Prevent creation of zero-size buffer http://hg.omfa.de/prosody-hg/log/c6465fb3c839/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Fri, 29 May 2020 18:11:42 +0200 util.*.c: Add static qualifiers everywhere http://hg.omfa.de/prosody-hg/log/94cacf9fd0ae/util-src/ringbuffer.c Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> Sun, 01 Dec 2019 20:25:20 +0100 util.ringbuffer: Fix typo in comment [codespell] http://hg.omfa.de/prosody-hg/log/856a40ec4a0a/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Fri, 06 Apr 2018 22:26:53 +0200 util.ringbuffer: Add method for discarding buffered data without returning it to lua http://hg.omfa.de/prosody-hg/log/e7214441523b/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sat, 24 Feb 2018 14:45:06 +0100 util.ringbuffer: Add various comments http://hg.omfa.de/prosody-hg/log/0e1d8f2f02bf/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sat, 24 Feb 2018 14:44:46 +0100 util-src: Specify size of various tables to be allocated http://hg.omfa.de/prosody-hg/log/1c6a07606309/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Thu, 09 Mar 2017 01:20:59 +0100 util.ringbuffer: Change types of length related variables to size_t [-Wsign-compare] http://hg.omfa.de/prosody-hg/log/8067828e7e40/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Thu, 02 Mar 2017 19:22:07 +0100 util-src/*.c: Attach pointer * to name instead of type http://hg.omfa.de/prosody-hg/log/b8d694646597/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sun, 12 Feb 2017 16:42:29 +0100 util.ringbuffer: Remove address of buffer itself from __tostring since is now in the same struct http://hg.omfa.de/prosody-hg/log/74187ee6ed55/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sun, 12 Feb 2017 15:51:32 +0100 util-src/*.c: Squeeze repeated blank lines http://hg.omfa.de/prosody-hg/log/a809dcfd0c5b/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Mon, 23 Jan 2017 18:33:35 +0100 util.ringbuffer: Allocate buffer itself as part of userdata (simpler, single allocation, no need for __gc) http://hg.omfa.de/prosody-hg/log/b4a08a514ebc/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sun, 22 Jan 2017 09:23:10 +0100 util.ringbuffer: Remove unused macros http://hg.omfa.de/prosody-hg/log/db15e9f6d77f/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sun, 22 Jan 2017 04:05:41 +0100 util-src: Make C modules assert that the Lua runtime matches what it was compiled for http://hg.omfa.de/prosody-hg/log/54669df178c2/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Sun, 08 Jan 2017 14:21:08 +0100 Add util.ringbuffer, a ringbuffer with a file handle like interface http://hg.omfa.de/prosody-hg/log/2b4432cc9c29/util-src/ringbuffer.c Kim Alvefur <zash@zash.se> Tue, 02 Feb 2016 20:24:27 +0100