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| author | DLL125 <134442578+DLL125@users.noreply.github.com> | 2023-07-17 14:11:12 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-17 14:11:12 +0200 |
| commit | 65765798d85258c0358b28b90aac68ed1851f49b (patch) | |
| tree | 22f573edc4e16790d9be208fce95db1134fe2ba4 /src/Common/libzip/zip_source_layered.c | |
| parent | 6267b91931af87db2b95172389a6fbaac206e42e (diff) | |
| download | VeraCrypt-65765798d85258c0358b28b90aac68ed1851f49b.tar.gz VeraCrypt-65765798d85258c0358b28b90aac68ed1851f49b.zip | |
Libzip (#1152)
* Update LZMA to latest
* Update Libzip
Libzip updated to latest.
Diffstat (limited to 'src/Common/libzip/zip_source_layered.c')
| -rw-r--r-- | src/Common/libzip/zip_source_layered.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/Common/libzip/zip_source_layered.c b/src/Common/libzip/zip_source_layered.c index 3c21441a..62b78e68 100644 --- a/src/Common/libzip/zip_source_layered.c +++ b/src/Common/libzip/zip_source_layered.c @@ -49,19 +49,27 @@ zip_source_layered(zip_t *za, zip_source_t *src, zip_source_layered_callback cb, zip_source_t * zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error) { zip_source_t *zs; + zip_int64_t lower_supports, supports; - if ((zs = _zip_source_new(error)) == NULL) + lower_supports = zip_source_supports(src); + supports = cb(src, ud, &lower_supports, sizeof(lower_supports), ZIP_SOURCE_SUPPORTS); + if (supports < 0) { + zip_error_set(error,ZIP_ER_INVAL, 0); /* Initialize in case cb doesn't return valid error. */ + cb(src, ud, error, sizeof(*error), ZIP_SOURCE_ERROR); return NULL; + } + + if ((zs = _zip_source_new(error)) == NULL) { + return NULL; + } - zip_source_keep(src); zs->src = src; zs->cb.l = cb; zs->ud = ud; + zs->supports = supports; - zs->supports = cb(src, ud, NULL, 0, ZIP_SOURCE_SUPPORTS); - if (zs->supports < 0) { - zs->supports = ZIP_SOURCE_SUPPORTS_READABLE; - } + /* Layered sources can't support writing, since we currently have no use case. If we want to revisit this, we have to define how the two sources interact. */ + zs->supports &= ~(ZIP_SOURCE_SUPPORTS_WRITABLE & ~ZIP_SOURCE_SUPPORTS_SEEKABLE); return zs; } |