EXTERN_C int usleep(unsigned int);
#endif
-#ifdef PERL_CORE
+/* macros for correct constant construction. These are in C99 <stdint.h>
+ * (so they will not be available in strict C89 mode), but they are nice, so
+ * let's define them if necessary. */
+#ifndef UINT16_C
+# if INTSIZE >= 2
+# define UINT16_C(x) ((U16_TYPE)x##U)
+# else
+# define UINT16_C(x) ((U16_TYPE)x##UL)
+# endif
+#endif
-/* macros for correct constant construction */
-# if INTSIZE >= 2
-# define U16_CONST(x) ((U16)x##U)
-# else
-# define U16_CONST(x) ((U16)x##UL)
-# endif
+#ifndef UINT32_C
+# if INTSIZE >= 4
+# define UINT32_C(x) ((U32_TYPE)x##U)
+# else
+# define UINT32_C(x) ((U32_TYPE)x##UL)
+# endif
+#endif
-# if INTSIZE >= 4
-# define U32_CONST(x) ((U32)x##U)
-# else
-# define U32_CONST(x) ((U32)x##UL)
-# endif
+#ifdef I_STDINT
+ typedef intmax_t PERL_INTMAX_T;
+ typedef uintmax_t PERL_UINTMAX_T;
+#endif
+
+/* N.B. We use QUADKIND here instead of HAS_QUAD here, because that doesn't
+ * actually mean what it has always been documented to mean (see RT #119753)
+ * and is explicitly turned off outside of core with dire warnings about
+ * removing the undef. */
+
+#if defined(QUADKIND)
+# undef PeRl_INT64_C
+# undef PeRl_UINT64_C
+/* Prefer the native integer types (int and long) over long long
+ * (which is not C89) and Win32-specific __int64. */
+# if QUADKIND == QUAD_IS_INT && INTSIZE == 8
+# define PeRl_INT64_C(c) (c)
+# define PeRl_UINT64_C(c) CAT2(c,U)
+# endif
+# if QUADKIND == QUAD_IS_LONG && LONGSIZE == 8
+# define PeRl_INT64_C(c) CAT2(c,L)
+# define PeRl_UINT64_C(c) CAT2(c,UL)
+# endif
+# if QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_LONG_LONG)
+# define PeRl_INT64_C(c) CAT2(c,LL)
+# define PeRl_UINT64_C(c) CAT2(c,ULL)
+# endif
+# if QUADKIND == QUAD_IS___INT64
+# define PeRl_INT64_C(c) CAT2(c,I64)
+# define PeRl_UINT64_C(c) CAT2(c,UI64)
+# endif
+# ifndef PeRl_INT64_C
+# define PeRl_INT64_C(c) ((I64)(c)) /* last resort */
+# define PeRl_UINT64_C(c) ((U64TYPE)(c))
+# endif
+/* In OS X the INT64_C/UINT64_C are defined with LL/ULL, which will
+ * not fly with C89-pedantic gcc, so let's undefine them first so that
+ * we can redefine them with our native integer preferring versions. */
+# if defined(PERL_DARWIN) && defined(PERL_GCC_PEDANTIC)
+# undef INT64_C
+# undef UINT64_C
+# endif
+# ifndef INT64_C
+# define INT64_C(c) PeRl_INT64_C(c)
+# endif
+# ifndef UINT64_C
+# define UINT64_C(c) PeRl_UINT64_C(c)
+# endif
-# ifdef HAS_QUAD
-# if INTSIZE >= 8
-# define U64_CONST(x) ((U64)x##U)
-# elif LONGSIZE >= 8
-# define U64_CONST(x) ((U64)x##UL)
-# elif QUADKIND == QUAD_IS_LONG_LONG
-# define U64_CONST(x) ((U64)x##ULL)
-# elif QUADKIND == QUAD_IS___INT64
-# define U64_CONST(x) ((U64)x##UI64)
-# else /* best guess we can make */
-# define U64_CONST(x) ((U64)x##UL)
+# ifndef I_STDINT
+ typedef I64TYPE PERL_INTMAX_T;
+ typedef U64TYPE PERL_UINTMAX_T;
# endif
-# endif
+# ifndef INTMAX_C
+# define INTMAX_C(c) INT64_C(c)
+# endif
+# ifndef UINTMAX_C
+# define UINTMAX_C(c) UINT64_C(c)
+# endif
+
+#else /* below QUADKIND is undefined */
+
+/* Perl doesn't work on 16 bit systems, so must be 32 bit */
+# ifndef I_STDINT
+ typedef I32TYPE PERL_INTMAX_T;
+ typedef U32TYPE PERL_UINTMAX_T;
+# endif
+# ifndef INTMAX_C
+# define INTMAX_C(c) INT32_C(c)
+# endif
+# ifndef UINTMAX_C
+# define UINTMAX_C(c) UINT32_C(c)
+# endif
+
+#endif /* no QUADKIND */
+
+#ifdef PERL_CORE
/* byte-swapping functions for big-/little-endian conversion */
# define _swab_16_(x) ((U16)( \
- (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
- (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
+ (((U16)(x) & UINT16_C(0x00ff)) << 8) | \
+ (((U16)(x) & UINT16_C(0xff00)) >> 8) ))
# define _swab_32_(x) ((U32)( \
- (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
- (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
- (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
- (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
+ (((U32)(x) & UINT32_C(0x000000ff)) << 24) | \
+ (((U32)(x) & UINT32_C(0x0000ff00)) << 8) | \
+ (((U32)(x) & UINT32_C(0x00ff0000)) >> 8) | \
+ (((U32)(x) & UINT32_C(0xff000000)) >> 24) ))
# ifdef HAS_QUAD
# define _swab_64_(x) ((U64)( \
- (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
- (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
- (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
- (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
- (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
- (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
- (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
- (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
+ (((U64)(x) & UINT64_C(0x00000000000000ff)) << 56) | \
+ (((U64)(x) & UINT64_C(0x000000000000ff00)) << 40) | \
+ (((U64)(x) & UINT64_C(0x0000000000ff0000)) << 24) | \
+ (((U64)(x) & UINT64_C(0x00000000ff000000)) << 8) | \
+ (((U64)(x) & UINT64_C(0x000000ff00000000)) >> 8) | \
+ (((U64)(x) & UINT64_C(0x0000ff0000000000)) >> 24) | \
+ (((U64)(x) & UINT64_C(0x00ff000000000000)) >> 40) | \
+ (((U64)(x) & UINT64_C(0xff00000000000000)) >> 56) ))
# endif
/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
https://perl5.git.perl.org / perl5.git / blobdiff