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Diffstat (limited to 'Utilities/cmliblzma/liblzma/common/common.c')
-rw-r--r--Utilities/cmliblzma/liblzma/common/common.c85
1 files changed, 71 insertions, 14 deletions
diff --git a/Utilities/cmliblzma/liblzma/common/common.c b/Utilities/cmliblzma/liblzma/common/common.c
index b9e3860..57e3f8e 100644
--- a/Utilities/cmliblzma/liblzma/common/common.c
+++ b/Utilities/cmliblzma/liblzma/common/common.c
@@ -36,7 +36,7 @@ lzma_version_string(void)
///////////////////////
extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1)
-lzma_alloc(size_t size, lzma_allocator *allocator)
+lzma_alloc(size_t size, const lzma_allocator *allocator)
{
// Some malloc() variants return NULL if called with size == 0.
if (size == 0)
@@ -53,8 +53,29 @@ lzma_alloc(size_t size, lzma_allocator *allocator)
}
+extern void * lzma_attribute((__malloc__)) lzma_attr_alloc_size(1)
+lzma_alloc_zero(size_t size, const lzma_allocator *allocator)
+{
+ // Some calloc() variants return NULL if called with size == 0.
+ if (size == 0)
+ size = 1;
+
+ void *ptr;
+
+ if (allocator != NULL && allocator->alloc != NULL) {
+ ptr = allocator->alloc(allocator->opaque, 1, size);
+ if (ptr != NULL)
+ memzero(ptr, size);
+ } else {
+ ptr = calloc(1, size);
+ }
+
+ return ptr;
+}
+
+
extern void
-lzma_free(void *ptr, lzma_allocator *allocator)
+lzma_free(void *ptr, const lzma_allocator *allocator)
{
if (allocator != NULL && allocator->free != NULL)
allocator->free(allocator->opaque, ptr);
@@ -88,7 +109,7 @@ lzma_bufcpy(const uint8_t *restrict in, size_t *restrict in_pos,
extern lzma_ret
-lzma_next_filter_init(lzma_next_coder *next, lzma_allocator *allocator,
+lzma_next_filter_init(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter_info *filters)
{
lzma_next_coder_init(filters[0].init, next, allocator);
@@ -99,7 +120,7 @@ lzma_next_filter_init(lzma_next_coder *next, lzma_allocator *allocator,
extern lzma_ret
-lzma_next_filter_update(lzma_next_coder *next, lzma_allocator *allocator,
+lzma_next_filter_update(lzma_next_coder *next, const lzma_allocator *allocator,
const lzma_filter *reversed_filters)
{
// Check that the application isn't trying to change the Filter ID.
@@ -117,7 +138,7 @@ lzma_next_filter_update(lzma_next_coder *next, lzma_allocator *allocator,
extern void
-lzma_next_end(lzma_next_coder *next, lzma_allocator *allocator)
+lzma_next_end(lzma_next_coder *next, const lzma_allocator *allocator)
{
if (next->init != (uintptr_t)(NULL)) {
// To avoid tiny end functions that simply call
@@ -156,10 +177,8 @@ lzma_strm_init(lzma_stream *strm)
strm->internal->next = LZMA_NEXT_CODER_INIT;
}
- strm->internal->supported_actions[LZMA_RUN] = false;
- strm->internal->supported_actions[LZMA_SYNC_FLUSH] = false;
- strm->internal->supported_actions[LZMA_FULL_FLUSH] = false;
- strm->internal->supported_actions[LZMA_FINISH] = false;
+ memzero(strm->internal->supported_actions,
+ sizeof(strm->internal->supported_actions));
strm->internal->sequence = ISEQ_RUN;
strm->internal->allow_buf_error = false;
@@ -178,7 +197,7 @@ lzma_code(lzma_stream *strm, lzma_action action)
|| (strm->next_out == NULL && strm->avail_out != 0)
|| strm->internal == NULL
|| strm->internal->next.code == NULL
- || (unsigned int)(action) > LZMA_FINISH
+ || (unsigned int)(action) > LZMA_ACTION_MAX
|| !strm->internal->supported_actions[action])
return LZMA_PROG_ERROR;
@@ -213,6 +232,10 @@ lzma_code(lzma_stream *strm, lzma_action action)
case LZMA_FINISH:
strm->internal->sequence = ISEQ_FINISH;
break;
+
+ case LZMA_FULL_BARRIER:
+ strm->internal->sequence = ISEQ_FULL_BARRIER;
+ break;
}
break;
@@ -240,6 +263,13 @@ lzma_code(lzma_stream *strm, lzma_action action)
break;
+ case ISEQ_FULL_BARRIER:
+ if (action != LZMA_FULL_BARRIER
+ || strm->internal->avail_in != strm->avail_in)
+ return LZMA_PROG_ERROR;
+
+ break;
+
case ISEQ_END:
return LZMA_STREAM_END;
@@ -265,7 +295,9 @@ lzma_code(lzma_stream *strm, lzma_action action)
strm->internal->avail_in = strm->avail_in;
- switch (ret) {
+ // Cast is needed to silence a warning about LZMA_TIMED_OUT, which
+ // isn't part of lzma_ret enumeration.
+ switch ((unsigned int)(ret)) {
case LZMA_OK:
// Don't return LZMA_BUF_ERROR when it happens the first time.
// This is to avoid returning LZMA_BUF_ERROR when avail_out
@@ -281,9 +313,16 @@ lzma_code(lzma_stream *strm, lzma_action action)
}
break;
+ case LZMA_TIMED_OUT:
+ strm->internal->allow_buf_error = false;
+ ret = LZMA_OK;
+ break;
+
case LZMA_STREAM_END:
if (strm->internal->sequence == ISEQ_SYNC_FLUSH
- || strm->internal->sequence == ISEQ_FULL_FLUSH)
+ || strm->internal->sequence == ISEQ_FULL_FLUSH
+ || strm->internal->sequence
+ == ISEQ_FULL_BARRIER)
strm->internal->sequence = ISEQ_RUN;
else
strm->internal->sequence = ISEQ_END;
@@ -323,6 +362,22 @@ lzma_end(lzma_stream *strm)
}
+extern LZMA_API(void)
+lzma_get_progress(lzma_stream *strm,
+ uint64_t *progress_in, uint64_t *progress_out)
+{
+ if (strm->internal->next.get_progress != NULL) {
+ strm->internal->next.get_progress(strm->internal->next.coder,
+ progress_in, progress_out);
+ } else {
+ *progress_in = strm->total_in;
+ *progress_out = strm->total_out;
+ }
+
+ return;
+}
+
+
extern LZMA_API(lzma_check)
lzma_get_check(const lzma_stream *strm)
{
@@ -380,8 +435,10 @@ lzma_memlimit_set(lzma_stream *strm, uint64_t new_memlimit)
|| strm->internal->next.memconfig == NULL)
return LZMA_PROG_ERROR;
- if (new_memlimit != 0 && new_memlimit < LZMA_MEMUSAGE_BASE)
- return LZMA_MEMLIMIT_ERROR;
+ // Zero is a special value that cannot be used as an actual limit.
+ // If 0 was specified, use 1 instead.
+ if (new_memlimit == 0)
+ new_memlimit = 1;
return strm->internal->next.memconfig(strm->internal->next.coder,
&memusage, &old_memlimit, new_memlimit);