From: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx>
This tool can only support little-endian machines atm.
Many codes directly refer to __le32/__le64 variables of ABI objects,
so will be broken on big-endian machines.
Signed-off-by: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx>
diff --git a/src/topology/parser.c b/src/topology/parser.c
index 18bb9c7..2048733 100644
--- a/src/topology/parser.c
+++ b/src/topology/parser.c
@@ -371,10 +371,25 @@ void snd_tplg_verbose(snd_tplg_t *tplg, int verbose)
tplg->verbose = verbose;
}
+static bool is_little_endian(void)
+{
+#ifdef __BYTE_ORDER
+ #if __BYTE_ORDER == __LITTLE_ENDIAN
+ return true;
+ #endif
+#endif
+ return false;
+}
+
snd_tplg_t *snd_tplg_new(void)
{
snd_tplg_t *tplg;
+ if (!is_little_endian()) {
+ SNDERR("error: cannot support big-endian machines\n");
+ return NULL;
+ }
+
tplg = calloc(1, sizeof(snd_tplg_t));
if (!tplg)
return NULL;
diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h
index 06cb100..e66d7f4 100644
--- a/src/topology/tplg_local.h
+++ b/src/topology/tplg_local.h
@@ -12,6 +12,8 @@
#include <limits.h>
#include <stdint.h>
+#include <stdbool.h>
+#include <endian.h>
#include <linux/types.h>
#include "local.h"
--
2.5.0
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