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stdint.h: Don't use hex values to specify minimum values of fixed width, signed values. Hex values are inherently unsigned and not usable for this purpose in all contexts

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This commit is contained in:
Gregory Nutt
2014-12-08 11:44:52 -06:00
parent b26923b746
commit 7f59a64f42
1 changed files with 105 additions and 105 deletions
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include/stdint.h
+53 -53
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@@ -55,80 +55,80 @@
/* Limits of exact-width integer types */ /* Limits of exact-width integer types */
#define INT8_MIN 0x80 #define INT8_MIN (-INT8_MAX - 1)
#define INT8_MAX 0x7f #define INT8_MAX 127
#define UINT8_MAX 0xff #define UINT8_MAX 255
#define INT16_MIN 0x8000 #define INT16_MIN (-INT16_MAX - 1)
#define INT16_MAX 0x7fff #define INT16_MAX 32767
#define UINT16_MAX 0xffff #define UINT16_MAX 65535u
#ifdef __INT24_DEFINED #ifdef __INT24_DEFINED
# define INT24_MIN 0x800000 # define INT24_MIN (-INT24_MAX - 1)
# define INT24_MAX 0x7fffff # define INT24_MAX 8388607
# define UINT24_MAX 0xffffff # define UINT24_MAX 16777215u
#endif #endif
#define INT32_MIN 0x80000000 #define INT32_MIN (-INT32_MAX - 1)
#define INT32_MAX 0x7fffffff #define INT32_MAX 2147483647
#define UINT32_MAX 0xffffffff #define UINT32_MAX 4294967295u
#ifdef __INT64_DEFINED #ifdef __INT64_DEFINED
# define INT64_MIN 0x8000000000000000 # define INT64_MIN (-INT64_MAX - 1ll)
# define INT64_MAX 0x7fffffffffffffff # define INT64_MAX 9223372036854775807ll
# define UINT64_MAX 0xffffffffffffffff # define UINT64_MAX 18446744073709551615ull
#endif #endif
/* Limits of minimum-width integer types */ /* Limits of minimum-width integer types */
#define INT_LEAST8_MIN 0x80 #define INT_LEAST8_MIN INT8_MIN
#define INT_LEAST8_MAX 0x7f #define INT_LEAST8_MAX INT8_MAX
#define UINT_LEAST8_MAX 0xff #define UINT_LEAST8_MAX UINT8_MAX
#define INT_LEAST16_MIN 0x8000 #define INT_LEAST16_MIN INT16_MIN
#define INT_LEAST16_MAX 0x7fff #define INT_LEAST16_MAX INT16_MAX
#define UINT_LEAST16_MAX 0xffff #define UINT_LEAST16_MAX UINT16_MAX
#ifdef __INT24_DEFINED #ifdef __INT24_DEFINED
# define INT_LEAST24_MIN 0x800000 # define INT_LEAST24_MIN INT24_MIN
# define INT_LEAST24_MAX 0x7fffff # define INT_LEAST24_MAX INT24_MAX
# define UINT_LEAST24_MAX 0xffffff # define UINT_LEAST24_MAX UINT24_MAX
#endif #endif
#define INT_LEAST32_MIN 0x80000000 #define INT_LEAST32_MIN INT32_MIN
#define INT_LEAST32_MAX 0x7fffffff #define INT_LEAST32_MAX INT32_MAX
#define UINT_LEAST32_MAX 0xffffffff #define UINT_LEAST32_MAX UINT32_MAX
#ifdef __INT64_DEFINED #ifdef __INT64_DEFINED
# define INT_LEAST64_MIN 0x8000000000000000 # define INT_LEAST64_MIN INT64_MIN
# define INT_LEAST64_MAX 0x7fffffffffffffff # define INT_LEAST64_MAX INT64_MAX
# define UINT_LEAST64_MAX 0xffffffffffffffff # define UINT_LEAST64_MAX UINT64_MAX
#endif #endif
/* Limits of fastest minimum-width integer types */ /* Limits of fastest minimum-width integer types */
#define INT_FAST8_MIN 0x80 #define INT_FAST8_MIN INT8_MIN
#define INT_FAST8_MAX 0x7f #define INT_FAST8_MAX INT8_MAX
#define UINT_FAST8_MAX 0xff #define UINT_FAST8_MAX UINT8_MAX
#define INT_FAST16_MIN 0x8000 #define INT_FAST16_MIN INT16_MIN
#define INT_FAST16_MAX 0x7fff #define INT_FAST16_MAX INT16_MAX
#define UINT_FAST16_MAX 0xffff #define UINT_FAST16_MAX UINT16_MAX
#ifdef __INT24_DEFINED #ifdef __INT24_DEFINED
# define INT_FAST24_MIN 0x800000 # define INT_FAST24_MIN INT24_MIN
# define INT_FAST24_MAX 0x7fffff # define INT_FAST24_MAX INT24_MAX
# define UINT_FAST24_MAX 0xffffff # define UINT_FAST24_MAX UINT24_MAX
#endif #endif
#define INT_FAST32_MIN 0x80000000 #define INT_FAST32_MIN INT32_MIN
#define INT_FAST32_MAX 0x7fffffff #define INT_FAST32_MAX INT32_MAX
#define UINT_FAST32_MAX 0xffffffff #define UINT_FAST32_MAX UINT32_MAX
#ifdef __INT64_DEFINED #ifdef __INT64_DEFINED
# define INT_FAST64_MIN 0x8000000000000000 # define INT_FAST64_MIN INT64_MIN
# define INT_FAST64_MAX 0x7fffffffffffffff # define INT_FAST64_MAX INT64_MAX
# define UINT_FAST64_MAX 0xffffffffffffffff # define UINT_FAST64_MAX UINT64_MAX
#endif #endif
/* Limits of integer types capable of holding object pointers */ /* Limits of integer types capable of holding object pointers */
@@ -158,23 +158,23 @@
#if 0 /* REVISIT: Depends on architecture specific implementation */ #if 0 /* REVISIT: Depends on architecture specific implementation */
#define INT8_C(x) x #define INT8_C(x) x
#define INT16_C(x) x #define INT16_C(x) x
#define INT32_C(x) x ## L #define INT32_C(x) x ## l
#define INT64_C(x) x ## LL #define INT64_C(x) x ## ll
#define UINT8_C(x) x #define UINT8_C(x) x
#define UINT16_C(x) x #define UINT16_C(x) x
#define UINT32_C(x) x ## UL #define UINT32_C(x) x ## ul
#define UINT64_C(x) x ## ULL #define UINT64_C(x) x ## ull
#endif #endif
/* Macros for greatest-width integer constant expressions */ /* Macros for greatest-width integer constant expressions */
#ifdef CONFIG_HAVE_LONG_LONG #ifdef CONFIG_HAVE_LONG_LONG
# define INTMAX_C(x) x ## LL # define INTMAX_C(x) x ## ll
# define UINTMAX_C(x) x ## ULL # define UINTMAX_C(x) x ## ull
#else #else
# define INTMAX_C(x) x ## L # define INTMAX_C(x) x ## l
# define UINTMAX_C(x) x ## UL # define UINTMAX_C(x) x ## ul
#endif #endif
/* Limits of Other Integer Types */ /* Limits of Other Integer Types */