xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-24 12:09:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

buffer: factor out buffer_adj_size

Browse Source 
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1446203414-4013-19-git-send-email-kraxel@redhat.com
This commit is contained in:
Peter Lieven 2015-10-30 12:10:13 +01:00 committed by Gerd Hoffmann
parent fd95243372
commit 4ec5ba151f
1 changed files with 10 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
util/buffer.c
View File

@ -30,6 +30,14 @@ static size_t buffer_req_size(Buffer *buffer, size_t len)
pow2ceil(buffer->offset + len));
}
static void buffer_adj_size(Buffer *buffer, size_t len)
{
size_t old = buffer->capacity;
buffer->capacity = buffer_req_size(buffer, len);
buffer->buffer = g_realloc(buffer->buffer, buffer->capacity);
trace_buffer_resize(buffer->name ?: "unnamed",
old, buffer->capacity);
}
void buffer_init(Buffer *buffer, const char *name, ...)
{
@ -42,8 +50,6 @@ void buffer_init(Buffer *buffer, const char *name, ...)
void buffer_shrink(Buffer *buffer)
{
size_t old;
/*
* Only shrink in case the used size is *much* smaller than the
* capacity, to avoid bumping up & down the buffers all the time.
@ -54,24 +60,13 @@ void buffer_shrink(Buffer *buffer)
return;
}
old = buffer->capacity;
buffer->capacity = pow2ceil(buffer->offset);
buffer->capacity = MAX(buffer->capacity, BUFFER_MIN_SHRINK_SIZE);
buffer->buffer = g_realloc(buffer->buffer, buffer->capacity);
trace_buffer_resize(buffer->name ?: "unnamed",
old, buffer->capacity);
buffer_adj_size(buffer, 0);
}
void buffer_reserve(Buffer *buffer, size_t len)
{
size_t old;
if ((buffer->capacity - buffer->offset) < len) {
old = buffer->capacity;
buffer->capacity = buffer_req_size(buffer, len);
buffer->buffer = g_realloc(buffer->buffer, buffer->capacity);
trace_buffer_resize(buffer->name ?: "unnamed",
old, buffer->capacity);
buffer_adj_size(buffer, len);
}
}