diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 160981ad..79e7013b 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -31,18 +31,28 @@ #include <errno.h> #include <fcntl.h> +#include <limits.h> #include <stdarg.h> +#if defined(__has_include) +#if __has_include(<stdint.h>) #include <stdint.h> +#else +typedef unsigned char uint8_t; +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; +#endif +#else +#include <stdint.h> +#endif #include <stdio.h> #include <stdlib.h> #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 +typedef char static_assert_char_is_8_bits[(CHAR_BIT == 8) ? 1 : -1]; +typedef char static_assert_uint8_is_1[(sizeof(uint8_t) == 1) ? 1 : -1]; +typedef char static_assert_uint16_is_2[(sizeof(uint16_t) == 2) ? 1 : -1]; +typedef char static_assert_uint32_is_4[(sizeof(uint32_t) == 4) ? 1 : -1]; /* * The BSD versions that could realistically build |