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-rw-r--r--src/lib/compress/compress.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/lib/compress/compress.c b/src/lib/compress/compress.c
index 95fd73bb32..7ce3910d84 100644
--- a/src/lib/compress/compress.c
+++ b/src/lib/compress/compress.c
@@ -1,6 +1,6 @@
/* Copyright (c) 2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2019, The Tor Project, Inc. */
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
@@ -29,10 +29,12 @@
#include "lib/compress/compress.h"
#include "lib/compress/compress_lzma.h"
#include "lib/compress/compress_none.h"
+#include "lib/compress/compress_sys.h"
#include "lib/compress/compress_zlib.h"
#include "lib/compress/compress_zstd.h"
#include "lib/intmath/cmp.h"
#include "lib/malloc/malloc.h"
+#include "lib/subsys/subsys.h"
#include "lib/thread/threads.h"
/** Total number of bytes allocated for compression state overhead. */
@@ -660,7 +662,7 @@ tor_compress_state_size(const tor_compress_state_t *state)
}
/** Initialize all compression modules. */
-void
+int
tor_compress_init(void)
{
atomic_counter_init(&total_compress_allocation);
@@ -668,6 +670,8 @@ tor_compress_init(void)
tor_zlib_init();
tor_lzma_init();
tor_zstd_init();
+
+ return 0;
}
/** Warn if we had any problems while setting up our compression libraries.
@@ -677,5 +681,21 @@ tor_compress_init(void)
void
tor_compress_log_init_warnings(void)
{
+ // XXXX can we move this into tor_compress_init() after all? log.c queues
+ // XXXX log messages at startup.
tor_zstd_warn_if_version_mismatched();
}
+
+static int
+subsys_compress_initialize(void)
+{
+ return tor_compress_init();
+}
+
+const subsys_fns_t sys_compress = {
+ .name = "compress",
+ SUBSYS_DECLARE_LOCATION(),
+ .supported = true,
+ .level = -55,
+ .initialize = subsys_compress_initialize,
+};