From e0ca2f1cad67ac32fe8796fbb537125074eb849e Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周三, 11 11月 2015 23:13:49 +0800
Subject: [PATCH] Add runtime endiannes test
---
libscpi/src/utils.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/libscpi/src/utils.c b/libscpi/src/utils.c
index 7902569..eaa3b35 100644
--- a/libscpi/src/utils.c
+++ b/libscpi/src/utils.c
@@ -934,8 +934,12 @@
* @return
*/
scpi_array_format_t SCPI_GetNativeFormat(void) {
- // @todo: endianity runtime test
- return SCPI_FORMAT_LITTLEENDIAN;
+ union {
+ uint32_t i;
+ char c[4];
+ } bint = {0x01020304};
+
+ return bint.c[0] == 1 ? SCPI_FORMAT_BIGENDIAN : SCPI_FORMAT_LITTLEENDIAN;
}
/**
--
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