libc: minimal: Add PRIx{FAST,LEAST}N macros

This commit adds the missing `PRIx{FAST,LEAST}N` C99 integer type
format macros that correspond to the C99 integer types overridden in
the `zephyr_stdint.h` header:

  PRIdFAST8, PRIdFAST16, PRIdFAST32, PRIdFAST64
  PRIdLEAST8, PRIdLEAST16, PRIdLEAST32, PRIdLEAST64

  PRIiFAST8, PRIiFAST16, PRIiFAST32, PRIiFAST64
  PRIiLEAST8, PRIiLEAST16, PRIiLEAST32, PRIiLEAST64

  PRIoFAST8, PRIoFAST16, PRIoFAST32, PRIoFAST64
  PRIoLEAST8, PRIoLEAST16, PRIoLEAST32, PRIoLEAST64

  PRIuFAST8, PRIuFAST16, PRIuFAST32, PRIuFAST64
  PRIuLEAST8, PRIuLEAST16, PRIuLEAST32, PRIuLEAST64

  PRIxFAST8, PRIxFAST16, PRIxFAST32, PRIxFAST64
  PRIxLEAST8, PRIxLEAST16, PRIxLEAST32, PRIxLEAST64

  PRIXFAST8, PRIXFAST16, PRIXFAST32, PRIXFAST64
  PRIXLEAST8, PRIXLEAST16, PRIXLEAST32, PRIXLEAST64

Note that these macros will eventually need to be defined according to
the toolchain-specified types when the `zephyr_stdint.h` hack is
removed in the future; refer to the the GitHub issue zephyrproject-rtos#46032 for more
details.

Signed-off-by: Stephanos Ioannidis <[email protected]>

lib/libc/minimal/include/inttypes.h

@@ -14,36 +14,84 @@
 #define	PRId16			"d"		/* int16_t */
 #define	PRId32			"d"		/* int32_t */
 #define	PRId64			"lld"		/* int64_t */
+#define	PRIdFAST8		"d"		/* int_fast8_t */
+#define	PRIdFAST16		"d"		/* int_fast16_t */
+#define	PRIdFAST32		"d"		/* int_fast32_t */
+#define	PRIdFAST64		"lld"		/* int_fast64_t */
+#define	PRIdLEAST8		"d"		/* int_least8_t */
+#define	PRIdLEAST16		"d"		/* int_least16_t */
+#define	PRIdLEAST32		"d"		/* int_least32_t */
+#define	PRIdLEAST64		"lld"		/* int_least64_t */
 #define	PRIdPTR			"ld"		/* intptr_t */
 
 #define	PRIi8			"i"		/* int8_t */
 #define	PRIi16			"i"		/* int16_t */
 #define	PRIi32			"i"		/* int32_t */
 #define	PRIi64			"lli"		/* int64_t */
+#define	PRIiFAST8		"i"		/* int_fast8_t */
+#define	PRIiFAST16		"i"		/* int_fast16_t */
+#define	PRIiFAST32		"i"		/* int_fast32_t */
+#define	PRIiFAST64		"lli"		/* int_fast64_t */
+#define	PRIiLEAST8		"i"		/* int_least8_t */
+#define	PRIiLEAST16		"i"		/* int_least16_t */
+#define	PRIiLEAST32		"i"		/* int_least32_t */
+#define	PRIiLEAST64		"lli"		/* int_least64_t */
 #define	PRIiPTR			"li"		/* intptr_t */
 
 #define	PRIo8			"o"		/* int8_t */
 #define	PRIo16			"o"		/* int16_t */
 #define	PRIo32			"o"		/* int32_t */
 #define	PRIo64			"llo"		/* int64_t */
+#define	PRIoFAST8		"o"		/* int_fast8_t */
+#define	PRIoFAST16		"o"		/* int_fast16_t */
+#define	PRIoFAST32		"o"		/* int_fast32_t */
+#define	PRIoFAST64		"llo"		/* int_fast64_t */
+#define	PRIoLEAST8		"o"		/* int_least8_t */
+#define	PRIoLEAST16		"o"		/* int_least16_t */
+#define	PRIoLEAST32		"o"		/* int_least32_t */
+#define	PRIoLEAST64		"llo"		/* int_least64_t */
 #define	PRIoPTR			"lo"		/* intptr_t */
 
 #define	PRIu8			"u"		/* uint8_t */
 #define	PRIu16			"u"		/* uint16_t */
 #define	PRIu32			"u"		/* uint32_t */
 #define	PRIu64			"llu"		/* uint64_t */
+#define	PRIuFAST8		"u"		/* uint_fast8_t */
+#define	PRIuFAST16		"u"		/* uint_fast16_t */
+#define	PRIuFAST32		"u"		/* uint_fast32_t */
+#define	PRIuFAST64		"llu"		/* uint_fast64_t */
+#define	PRIuLEAST8		"u"		/* uint_least8_t */
+#define	PRIuLEAST16		"u"		/* uint_least16_t */
+#define	PRIuLEAST32		"u"		/* uint_least32_t */
+#define	PRIuLEAST64		"llu"		/* uint_least64_t */
 #define	PRIuPTR			"lu"		/* uintptr_t */
 
 #define	PRIx8			"x"		/* uint8_t */
 #define	PRIx16			"x"		/* uint16_t */
 #define	PRIx32			"x"		/* uint32_t */
 #define	PRIx64			"llx"		/* uint64_t */
+#define	PRIxFAST8		"x"		/* uint_fast8_t */
+#define	PRIxFAST16		"x"		/* uint_fast16_t */
+#define	PRIxFAST32		"x"		/* uint_fast32_t */
+#define	PRIxFAST64		"llx"		/* uint_fast64_t */
+#define	PRIxLEAST8		"x"		/* uint_least8_t */
+#define	PRIxLEAST16		"x"		/* uint_least16_t */
+#define	PRIxLEAST32		"x"		/* uint_least32_t */
+#define	PRIxLEAST64		"llx"		/* uint_least64_t */
 #define	PRIxPTR			"lx"		/* uintptr_t */
 
 #define	PRIX8			"X"		/* uint8_t */
 #define	PRIX16			"X"		/* uint16_t */
 #define	PRIX32			"X"		/* uint32_t */
 #define	PRIX64			"llX"		/* uint64_t */
+#define	PRIXFAST8		"X"		/* uint_fast8_t */
+#define	PRIXFAST16		"X"		/* uint_fast16_t */
+#define	PRIXFAST32		"X"		/* uint_fast32_t */
+#define	PRIXFAST64		"llX"		/* uint_fast64_t */
+#define	PRIXLEAST8		"X"		/* uint_least8_t */
+#define	PRIXLEAST16		"X"		/* uint_least16_t */
+#define	PRIXLEAST32		"X"		/* uint_least32_t */
+#define	PRIXLEAST64		"llX"		/* uint_least64_t */
 #define	PRIXPTR			"lX"		/* uintptr_t */
 
 #endif