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authorLeah Rowe <leah@libreboot.org>2026-03-09 16:43:54 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-09 16:52:42 +0000
commitd3b567edcfc7c5c323609b19bd72eb38ea40c756 (patch)
treebba456134ade3ac870f4df50c241bf4313526f03 /util/nvmutil
parentafebfe73898b1795f53ff819fdd793a4cb4be73a (diff)
util/nvmutil: assert uint16_t as 16-bits
some platforms might get this wrong. define it explicitly. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/nvmutil')
-rw-r--r--util/nvmutil/nvmutil.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 00683062..0553b196 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -38,6 +38,12 @@
#include <string.h>
#include <unistd.h>
+#if __STDC_VERSION__ >= 201112L
+_Static_assert(sizeof(uint16_t) == 2, "uint16_t must be 16 bits");
+#else
+typedef char static_assert_uint16_t_is_2[(sizeof(uint16_t) == 2) ? 1 : -1];
+#endif
+
/*
* The BSD versions that could realistically build
* nvmutil almost certainly have arc4random (first