From: Mengdong Lin mengdong.lin@linux.intel.com
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@linux.intel.com
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"