diff options
Diffstat (limited to 'gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch')
| -rw-r--r-- | gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch b/gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch new file mode 100644 index 0000000000..0253700bf6 --- /dev/null +++ b/gnu/packages/patches/libevent-2.0-evbuffer-add-use-last-with-datap.patch @@ -0,0 +1,38 @@ +From a8769ef12d7e223e33fc47bed03fba2bfa2f3536 Mon Sep 17 00:00:00 2001 +From: Marcus Sundberg <marcus@marcussundberg.com> +Date: Sat, 26 Mar 2016 20:11:43 +0100 +Subject: [PATCH] evbuffer_add: Use last_with_datap if set, not last. + +evbuffer_add() would always put data in the last chain, even if there +was available space in a previous chain, and in doing so it also +failed to update last_with_datap, causing subsequent calls to other +functions that do look at last_with_datap to add data in the middle +of the evbuffer instead of at the end. + +Fixes the evbuffer_add() part of issue #335, and the evbuffer/add2 and +evbuffer/add3 tests, and also prevents wasting space available in the +chain pointed to by last_with_datap. +--- + buffer.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/buffer.c b/buffer.c +index 7cca0e8a..f378b731 100644 +--- a/buffer.c ++++ b/buffer.c +@@ -1732,7 +1732,11 @@ evbuffer_add(struct evbuffer *buf, const void *data_in, size_t datlen) + goto done; + } + +- chain = buf->last; ++ if (*buf->last_with_datap == NULL) { ++ chain = buf->last; ++ } else { ++ chain = *buf->last_with_datap; ++ } + + /* If there are no chains allocated for this buffer, allocate one + * big enough to hold all the data. */ +-- +2.12.0 + |