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authorJia Tan <jiat0218@gmail.com>2023-05-10 22:38:59 +0800
committerJia Tan <jiat0218@gmail.com>2023-07-17 23:34:55 +0800
commitf86ede22500f7ae024ec3ec3f3489ab5a857a3b3 (patch)
tree0bacab0de2bd93bd53e83153cc65788df361cd90 /src/xz
parentxz: Add a message if --block-list is used outside of xz compresssion. (diff)
downloadxz-f86ede22500f7ae024ec3ec3f3489ab5a857a3b3.tar.xz
xz: Free filters[] in debug mode.
This will only free filter chains created with --filters1-9 since the default filter chain may be set from a static function variable. The complexity to free the default filter chain is not worth the burden on code maintenance.
Diffstat (limited to 'src/xz')
-rw-r--r--src/xz/coder.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/xz/coder.c b/src/xz/coder.c
index 476a5606..55e59c48 100644
--- a/src/xz/coder.c
+++ b/src/xz/coder.c
@@ -1245,6 +1245,16 @@ coder_run(const char *filename)
extern void
coder_free(void)
{
+ // Free starting from the second filter chain since the default
+ // filter chain may have its options set from a static variable
+ // in coder_set_compression_settings(). Since this is only run in
+ // debug mode and will be freed when the process ends anyway, we
+ // don't worry about freeing it.
+ for (uint32_t i = 1; i < ARRAY_SIZE(filters); i++) {
+ if (filters_init_mask & (1 << i))
+ lzma_filters_free(filters[i], NULL);
+ }
+
lzma_end(&strm);
return;
}