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-rw-r--r--src/xz/coder.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/xz/coder.c b/src/xz/coder.c
index 85f95439..bc905594 100644
--- a/src/xz/coder.c
+++ b/src/xz/coder.c
@@ -542,10 +542,21 @@ coder_init(file_pair *pair)
// memory usage limit in case it happens in the first
// Block of the first Stream, which is where it very
// probably will happen if it is going to happen.
+ //
+ // This will also catch unsupported check type which
+ // we treat as a warning only. If there are empty
+ // concatenated Streams with unsupported check type then
+ // the message can be shown more than once here. The loop
+ // is used in case there is first a warning about
+ // unsupported check type and then the first Block
+ // would exceed the memlimit.
if (ret == LZMA_OK && init_format != FORMAT_RAW) {
strm.next_out = NULL;
strm.avail_out = 0;
- ret = lzma_code(&strm, LZMA_RUN);
+ while ((ret = lzma_code(&strm, LZMA_RUN))
+ == LZMA_UNSUPPORTED_CHECK)
+ message_warning("%s: %s", pair->src_name,
+ message_strm(ret));
}
#endif
}
@@ -756,9 +767,9 @@ coder_normal(file_pair *pair)
} else if (ret != LZMA_OK) {
// Determine if the return value indicates that we
- // won't continue coding.
- const bool stop = ret != LZMA_NO_CHECK
- && ret != LZMA_UNSUPPORTED_CHECK;
+ // won't continue coding. LZMA_NO_CHECK would be
+ // here too if LZMA_TELL_ANY_CHECK was used.
+ const bool stop = ret != LZMA_UNSUPPORTED_CHECK;
if (stop) {
// Write the remaining bytes even if something