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decoder/wavpack: use AtScopeExit() for exception-safety

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This commit is contained in:
Max Kellermann 2016-09-09 15:55:58 +02:00
parent 8092e18158
commit fe9bafa741
1 changed files with 15 additions and 9 deletions
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22
src/decoder/plugins/WavpackDecoderPlugin.cxx
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@ -29,6 +29,7 @@
#include "util/Domain.hxx"
#include "util/Macros.hxx"
#include "util/Alloc.hxx"
#include "util/ScopeExit.hxx"
#include "Log.hxx"
#include <wavpack/wavpack.h>
@ -485,10 +486,11 @@ wavpack_open_wvc(Decoder &decoder, const char *uri)
return nullptr;
char *wvc_url = xstrcatdup(uri, "c");
AtScopeExit(wvc_url) {
free(wvc_url);
};
auto is_wvc = decoder_open_uri(decoder, uri, IgnoreError());
free(wvc_url);
if (is_wvc == nullptr)
return nullptr;
@ -510,6 +512,13 @@ wavpack_streamdecode(Decoder &decoder, InputStream &is)
can_seek &= wvc->is.IsSeekable();
}
AtScopeExit(wvc) {
if (wvc != nullptr) {
delete &wvc->is;
delete wvc;
}
};
if (!can_seek) {
open_flags |= OPEN_STREAMING;
}
@ -527,14 +536,11 @@ wavpack_streamdecode(Decoder &decoder, InputStream &is)
return;
}
wavpack_decode(decoder, wpc, can_seek);
AtScopeExit(wpc) {
WavpackCloseFile(wpc);
};
if (wvc != nullptr) {
delete &wvc->is;
delete wvc;
}
wavpack_decode(decoder, wpc, can_seek);
}
/*