Update lz4, lz5 and zstd to latest stable series

- added some more error checking in zstdmt also
This commit is contained in:
Tino Reichardt
2016-12-24 12:17:51 +01:00
parent 4c28e3fa11
commit 294d1ece66
42 changed files with 1324 additions and 723 deletions

View File

@@ -154,11 +154,29 @@ ZSTDMT_CCtx *ZSTDMT_createCCtx(int threads, int level, int inputsize)
return ctx;
err_ctx:
err_ctx:
free(ctx);
return 0;
}
/**
* mt_error - return mt lib specific error code
*/
static size_t mt_error(int rv)
{
switch (rv) {
case -1:
return ZSTDMT_ERROR(read_fail);
case -2:
return ZSTDMT_ERROR(canceled);
case -3:
return ZSTDMT_ERROR(memory_allocation);
}
/* XXX, some catch all other errors */
return ZSTDMT_ERROR(read_fail);
}
/**
* pt_write - queue for compressed output
*/
@@ -178,10 +196,8 @@ static size_t pt_write(ZSTDMT_CCtx * ctx, struct writelist *wl)
b.buf = frame0;
b.size = 9;
rv = ctx->fn_write(ctx->arg_write, &b);
if (rv == -1)
return ZSTDMT_ERROR(write_fail);
if (rv == -2)
return ZSTDMT_ERROR(canceled);
if (rv < 0)
return mt_error(rv);
if (b.size != 9)
return ZSTDMT_ERROR(write_fail);
ctx->outsize += 9;
@@ -197,10 +213,8 @@ static size_t pt_write(ZSTDMT_CCtx * ctx, struct writelist *wl)
wl = list_entry(entry, struct writelist, node);
if (wl->frame == ctx->curframe) {
rv = ctx->fn_write(ctx->arg_write, &wl->out);
if (rv == -1)
return ZSTDMT_ERROR(write_fail);
if (rv == -2)
return ZSTDMT_ERROR(canceled);
if (rv < 0)
return mt_error(rv);
ctx->outsize += wl->out.size;
ctx->curframe++;
list_move(entry, &ctx->writelist_free);
@@ -264,13 +278,9 @@ static void *pt_compress(void *arg)
pthread_mutex_lock(&ctx->read_mutex);
in.size = ctx->inputsize;
rv = ctx->fn_read(ctx->arg_read, &in);
if (rv == -1) {
if (rv < 0) {
pthread_mutex_unlock(&ctx->read_mutex);
result = ZSTDMT_ERROR(read_fail);
goto error;
} else if (rv == -2) {
pthread_mutex_unlock(&ctx->read_mutex);
result = ZSTDMT_ERROR(canceled);
result = mt_error(rv);
goto error;
}
@@ -291,13 +301,15 @@ static void *pt_compress(void *arg)
/* compress whole frame */
{
unsigned char *outbuf = out->buf;
result = ZSTD_compress(outbuf + 12, out->size - 12, in.buf, in.size, ctx->level);
if (ZSTD_isError(result)) {
zstdmt_errcode = result;
result = ZSTDMT_ERROR(compression_library);
goto error;
}
unsigned char *outbuf = out->buf;
result =
ZSTD_compress(outbuf + 12, out->size - 12, in.buf,
in.size, ctx->level);
if (ZSTD_isError(result)) {
zstdmt_errcode = result;
result = ZSTDMT_ERROR(compression_library);
goto error;
}
}
/* write skippable frame */