--- /dev/null
+#undef PORTNAME \r
+#define PORTNAME OS2 \r
+/*-------------------------------------------------------------------------
+ *
+ * c.h--
+ * Fundamental C definitions. This is included by every .c file in
+ * postgres.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: c.h,v 1.1 1998/10/31 04:10:53 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+/*
+ * TABLE OF CONTENTS
+ *
+ * When adding stuff to this file, please try and put stuff
+ * into the relevant section, or add new sections as appropriate.
+ *
+ * section description
+ * ------- ------------------------------------------------
+ * 1) bool, true, false, TRUE, FALSE
+ * 2) __STDC__, non-ansi C definitions:
+ * Pointer typedef, NULL
+ * cpp magic macros
+ * type prefixes: const, signed, volatile, inline
+ * 3) standard system types
+ * 4) datum type
+ * 5) IsValid macros for system types
+ * 6) offsetof, lengthof, endof
+ * 7) exception handling definitions, Assert, Trap, etc macros
+ * 8) Min, Max, Abs, StrNCpy macros
+ * 9) externs
+ * 10) Berkeley-specific defs
+ * 11) system-specific hacks
+ *
+ * NOTES
+ *
+ * This file is MACHINE AND COMPILER dependent!!! (For now.)
+ *
+ * ----------------------------------------------------------------
+ */
+#ifndef C_H
+#define C_H
+
+/* We have to include stdlib.h here because it defines many of these macros
+ on some platforms, and we only want our definitions used if stdlib.h doesn't
+ have its own.
+*/
+#include <stdlib.h>
+
+/* ----------------------------------------------------------------
+ * Section 1: bool, true, false, TRUE, FALSE
+ * ----------------------------------------------------------------
+ */
+/*
+ * bool --
+ * Boolean value, either true or false.
+ *
+ */
+#define false ((char) 0)
+#define true ((char) 1)
+#ifndef __cplusplus
+#ifndef bool
+typedef char bool;
+#endif /* ndef bool */
+#endif /* not C++ */
+typedef bool *BoolPtr;
+
+#ifndef TRUE
+#define TRUE 1
+#endif /* TRUE */
+
+#ifndef FALSE
+#define FALSE 0
+#endif /* FALSE */
+
+/* ----------------------------------------------------------------
+ * Section 2: __STDC__, non-ansi C definitions:
+ *
+ * cpp magic macros
+ * Pointer typedef, NULL
+ * type prefixes: const, signed, volatile, inline
+ * ----------------------------------------------------------------
+ */
+
+#ifdef __STDC__ /* ANSI C */
+
+/*
+ * Pointer --
+ * Variable holding address of any memory resident object.
+ */
+
+/*
+ * XXX Pointer arithmetic is done with this, so it can't be void *
+ * under "true" ANSI compilers.
+ */
+typedef char *Pointer;
+
+#ifndef NULL
+/*
+ * NULL --
+ * Null pointer.
+ */
+#define NULL ((void *) 0)
+#endif /* !defined(NULL) */
+
+#define HAVE_ANSI_CPP /* all ANSI C compilers must have this! */
+#if defined(NEED_STD_HDRS)
+#undef NEED_STD_HDRS /* all ANSI systems must have
+ * stddef/stdlib */
+#endif /* NEED_STD_HDRS */
+
+#else /* !defined(__STDC__) *//* NOT ANSI C */
+
+/*
+ * Pointer --
+ * Variable containing address of any memory resident object.
+ */
+typedef char *Pointer;
+
+#ifndef NULL
+/*
+ * NULL --
+ * Null pointer.
+ */
+#define NULL 0
+#endif /* !defined(NULL) */
+
+/*
+ * const --
+ * Type modifier. Identifies read only variables.
+ *
+ * Example:
+ * extern const Version RomVersion;
+ */
+#ifndef WIN32
+#define const /* const */
+#endif
+
+/*
+ * signed --
+ * Type modifier. Identifies signed integral types.
+ */
+#define signed /* signed */
+
+/*
+ * volatile --
+ * Type modifier. Identifies variables which may change in ways not
+ * noticeable by the compiler, e.g. via asynchronous interrupts.
+ *
+ * Example:
+ * extern volatile unsigned int NumberOfInterrupts;
+ */
+#define volatile /* volatile */
+
+#endif /* !defined(__STDC__) */ /* NOT ANSI C */
+
+/*
+ * CppAsString --
+ * Convert the argument to a string, using the C preprocessor.
+ * CppConcat --
+ * Concatenate two arguments together, using the C preprocessor.
+ */
+#if defined(HAVE_ANSI_CPP)
+
+#define CppAsString(identifier) #identifier
+#define CppConcat(x, y) x##y
+
+#else /* !HAVE_ANSI_CPP */
+
+#define CppAsString(identifier) "identifier"
+
+/*
+ * CppIdentity -- On Reiser based cpp's this is used to concatenate
+ * two tokens. That is
+ * CppIdentity(A)B ==> AB
+ * We renamed it to _private_CppIdentity because it should not
+ * be referenced outside this file. On other cpp's it
+ * produces A B.
+ */
+#define _priv_CppIdentity(x)x
+#define CppConcat(x, y) _priv_CppIdentity(x)y
+
+#endif /* !HAVE_ANSI_CPP */
+
+#ifndef __GNUC__ /* GNU cc */
+#endif
+
+#ifndef __GNUC__ /* GNU cc */
+#define inline
+/*
+ * dummyret is used to set return values in macros that use ?: to make
+ * assignments. gcc wants these to be void, other compilers like char
+ */
+#define dummyret char
+#else
+#define dummyret void
+#endif
+
+#if defined(NEED_STD_HDRS)
+/*
+ * You're doomed. We've removed almost all of our own C library
+ * extern declarations because they conflict on the different
+ * systems. You'll have to write your own stdlib.h.
+ */
+#include "stdlib.h"
+#else /* NEED_STD_HDRS */
+#include <stddef.h>
+#include <stdlib.h>
+#endif /* NEED_STD_HDRS */
+
+/* ----------------------------------------------------------------
+ * Section 3: standard system types
+ * ----------------------------------------------------------------
+ */
+
+/*
+ * intN --
+ * Signed integer, EXACTLY N BITS IN SIZE,
+ * used for numerical computations and the
+ * frontend/backend protocol.
+ */
+typedef signed char int8; /* == 8 bits */
+typedef signed short int16; /* == 16 bits */
+typedef signed int int32; /* == 32 bits */
+
+/*
+ * uintN --
+ * Unsigned integer, EXACTLY N BITS IN SIZE,
+ * used for numerical computations and the
+ * frontend/backend protocol.
+ */
+typedef unsigned char uint8; /* == 8 bits */
+typedef unsigned short uint16; /* == 16 bits */
+typedef unsigned int uint32; /* == 32 bits */
+
+/*
+ * floatN --
+ * Floating point number, AT LEAST N BITS IN SIZE,
+ * used for numerical computations.
+ *
+ * Since sizeof(floatN) may be > sizeof(char *), always pass
+ * floatN by reference.
+ */
+typedef float float32data;
+typedef double float64data;
+typedef float *float32;
+typedef double *float64;
+
+/*
+ * boolN --
+ * Boolean value, AT LEAST N BITS IN SIZE.
+ */
+typedef uint8 bool8; /* >= 8 bits */
+typedef uint16 bool16; /* >= 16 bits */
+typedef uint32 bool32; /* >= 32 bits */
+
+/*
+ * bitsN --
+ * Unit of bitwise operation, AT LEAST N BITS IN SIZE.
+ */
+typedef uint8 bits8; /* >= 8 bits */
+typedef uint16 bits16; /* >= 16 bits */
+typedef uint32 bits32; /* >= 32 bits */
+
+/*
+ * wordN --
+ * Unit of storage, AT LEAST N BITS IN SIZE,
+ * used to fetch/store data.
+ */
+typedef uint8 word8; /* >= 8 bits */
+typedef uint16 word16; /* >= 16 bits */
+typedef uint32 word32; /* >= 32 bits */
+
+/*
+ * Size --
+ * Size of any memory resident object, as returned by sizeof.
+ */
+typedef unsigned int Size;
+
+/*
+ * Index --
+ * Index into any memory resident array.
+ *
+ * Note:
+ * Indices are non negative.
+ */
+typedef unsigned int Index;
+
+#define MAXDIM 6
+typedef struct
+{
+ int indx[MAXDIM];
+} IntArray;
+
+/*
+ * Offset --
+ * Offset into any memory resident array.
+ *
+ * Note:
+ * This differs from an Index in that an Index is always
+ * non negative, whereas Offset may be negative.
+ */
+typedef signed int Offset;
+
+/* ----------------------------------------------------------------
+ * Section 4: datum type + support macros
+ * ----------------------------------------------------------------
+ */
+/*
+ * datum.h --
+ * POSTGRES abstract data type datum representation definitions.
+ *
+ * Note:
+ *
+ * Port Notes:
+ * Postgres makes the following assumption about machines:
+ *
+ * sizeof(Datum) == sizeof(long) >= sizeof(void *) >= 4
+ *
+ * Postgres also assumes that
+ *
+ * sizeof(char) == 1
+ *
+ * and that
+ *
+ * sizeof(short) == 2
+ *
+ * If your machine meets these requirements, Datums should also be checked
+ * to see if the positioning is correct.
+ *
+ * This file is MACHINE AND COMPILER dependent!!!
+ */
+
+typedef unsigned long Datum; /* XXX sizeof(long) >= sizeof(void *) */
+typedef Datum *DatumPtr;
+
+#define GET_1_BYTE(datum) (((Datum) (datum)) & 0x000000ff)
+#define GET_2_BYTES(datum) (((Datum) (datum)) & 0x0000ffff)
+#define GET_4_BYTES(datum) (((Datum) (datum)) & 0xffffffff)
+#define SET_1_BYTE(value) (((Datum) (value)) & 0x000000ff)
+#define SET_2_BYTES(value) (((Datum) (value)) & 0x0000ffff)
+#define SET_4_BYTES(value) (((Datum) (value)) & 0xffffffff)
+
+/*
+ * DatumGetChar --
+ * Returns character value of a datum.
+ */
+
+#define DatumGetChar(X) ((char) GET_1_BYTE(X))
+
+/*
+ * CharGetDatum --
+ * Returns datum representation for a character.
+ */
+
+#define CharGetDatum(X) ((Datum) SET_1_BYTE(X))
+
+/*
+ * Int8GetDatum --
+ * Returns datum representation for an 8-bit integer.
+ */
+
+#define Int8GetDatum(X) ((Datum) SET_1_BYTE(X))
+
+/*
+ * DatumGetUInt8 --
+ * Returns 8-bit unsigned integer value of a datum.
+ */
+
+#define DatumGetUInt8(X) ((uint8) GET_1_BYTE(X))
+
+/*
+ * UInt8GetDatum --
+ * Returns datum representation for an 8-bit unsigned integer.
+ */
+
+#define UInt8GetDatum(X) ((Datum) SET_1_BYTE(X))
+
+/*
+ * DatumGetInt16 --
+ * Returns 16-bit integer value of a datum.
+ */
+
+#define DatumGetInt16(X) ((int16) GET_2_BYTES(X))
+
+/*
+ * Int16GetDatum --
+ * Returns datum representation for a 16-bit integer.
+ */
+
+#define Int16GetDatum(X) ((Datum) SET_2_BYTES(X))
+
+/*
+ * DatumGetUInt16 --
+ * Returns 16-bit unsigned integer value of a datum.
+ */
+
+#define DatumGetUInt16(X) ((uint16) GET_2_BYTES(X))
+
+/*
+ * UInt16GetDatum --
+ * Returns datum representation for a 16-bit unsigned integer.
+ */
+
+#define UInt16GetDatum(X) ((Datum) SET_2_BYTES(X))
+
+/*
+ * DatumGetInt32 --
+ * Returns 32-bit integer value of a datum.
+ */
+
+#define DatumGetInt32(X) ((int32) GET_4_BYTES(X))
+
+/*
+ * Int32GetDatum --
+ * Returns datum representation for a 32-bit integer.
+ */
+
+#define Int32GetDatum(X) ((Datum) SET_4_BYTES(X))
+
+/*
+ * DatumGetUInt32 --
+ * Returns 32-bit unsigned integer value of a datum.
+ */
+
+#define DatumGetUInt32(X) ((uint32) GET_4_BYTES(X))
+
+/*
+ * UInt32GetDatum --
+ * Returns datum representation for a 32-bit unsigned integer.
+ */
+
+#define UInt32GetDatum(X) ((Datum) SET_4_BYTES(X))
+
+/*
+ * DatumGetObjectId --
+ * Returns object identifier value of a datum.
+ */
+
+#define DatumGetObjectId(X) ((Oid) GET_4_BYTES(X))
+
+/*
+ * ObjectIdGetDatum --
+ * Returns datum representation for an object identifier.
+ */
+
+#define ObjectIdGetDatum(X) ((Datum) SET_4_BYTES(X))
+
+/*
+ * DatumGetPointer --
+ * Returns pointer value of a datum.
+ */
+
+#define DatumGetPointer(X) ((Pointer) X)
+
+/*
+ * PointerGetDatum --
+ * Returns datum representation for a pointer.
+ */
+
+#define PointerGetDatum(X) ((Datum) X)
+
+/*
+ * DatumGetName --
+ * Returns name value of a datum.
+ */
+
+#define DatumGetName(X) ((Name) DatumGetPointer((Datum) X))
+
+/*
+ * NameGetDatum --
+ * Returns datum representation for a name.
+ */
+
+#define NameGetDatum(X) PointerGetDatum((Pointer) X)
+
+
+/*
+ * DatumGetFloat32 --
+ * Returns 32-bit floating point value of a datum.
+ * This is really a pointer, of course.
+ */
+
+#define DatumGetFloat32(X) ((float32) DatumGetPointer((Datum) X))
+
+/*
+ * Float32GetDatum --
+ * Returns datum representation for a 32-bit floating point number.
+ * This is really a pointer, of course.
+ */
+
+#define Float32GetDatum(X) PointerGetDatum((Pointer) X)
+
+/*
+ * DatumGetFloat64 --
+ * Returns 64-bit floating point value of a datum.
+ * This is really a pointer, of course.
+ */
+
+#define DatumGetFloat64(X) ((float64) DatumGetPointer(X))
+
+/*
+ * Float64GetDatum --
+ * Returns datum representation for a 64-bit floating point number.
+ * This is really a pointer, of course.
+ */
+
+#define Float64GetDatum(X) PointerGetDatum((Pointer) X)
+
+/* ----------------------------------------------------------------
+ * Section 5: IsValid macros for system types
+ * ----------------------------------------------------------------
+ */
+/*
+ * BoolIsValid --
+ * True iff bool is valid.
+ */
+#define BoolIsValid(boolean) ((boolean) == false || (boolean) == true)
+
+/*
+ * PointerIsValid --
+ * True iff pointer is valid.
+ */
+#define PointerIsValid(pointer) (bool)((void*)(pointer) != NULL)
+
+/*
+ * PointerIsInBounds --
+ * True iff pointer is within given bounds.
+ *
+ * Note:
+ * Assumes the bounded interval to be [min,max),
+ * i.e. closed on the left and open on the right.
+ */
+#define PointerIsInBounds(pointer, min, max) \
+ ((min) <= (pointer) && (pointer) < (max))
+
+/*
+ * PointerIsAligned --
+ * True iff pointer is properly aligned to point to the given type.
+ */
+#define PointerIsAligned(pointer, type) \
+ (((long)(pointer) % (sizeof (type))) == 0)
+
+/* ----------------------------------------------------------------
+ * Section 6: offsetof, lengthof, endof
+ * ----------------------------------------------------------------
+ */
+/*
+ * offsetof --
+ * Offset of a structure/union field within that structure/union.
+ *
+ * XXX This is supposed to be part of stddef.h, but isn't on
+ * some systems (like SunOS 4).
+ */
+#ifndef offsetof
+#define offsetof(type, field) ((long) &((type *)0)->field)
+#endif /* offsetof */
+
+/*
+ * lengthof --
+ * Number of elements in an array.
+ */
+#define lengthof(array) (sizeof (array) / sizeof ((array)[0]))
+
+/*
+ * endof --
+ * Address of the element one past the last in an array.
+ */
+#define endof(array) (&array[lengthof(array)])
+
+/* ----------------------------------------------------------------
+ * Section 7: exception handling definitions
+ * Assert, Trap, etc macros
+ * ----------------------------------------------------------------
+ */
+/*
+ * Exception Handling definitions
+ */
+
+typedef char *ExcMessage;
+typedef struct Exception
+{
+ ExcMessage message;
+} Exception;
+
+/*
+ * USE_ASSERT_CHECKING, if defined, turns on all the assertions.
+ * - plai 9/5/90
+ *
+ * It should _NOT_ be defined in releases or in benchmark copies
+ */
+
+/*
+ * Trap --
+ * Generates an exception if the given condition is true.
+ *
+ */
+#define Trap(condition, exception) \
+ { if ((assert_enabled) && (condition)) \
+ ExceptionalCondition(CppAsString(condition), &(exception), \
+ (char*)NULL, __FILE__, __LINE__); }
+
+/*
+ * TrapMacro is the same as Trap but it's intended for use in macros:
+ *
+ * #define foo(x) (AssertM(x != 0) && bar(x))
+ *
+ * Isn't CPP fun?
+ */
+#define TrapMacro(condition, exception) \
+ ((bool) ((! assert_enabled) || (! condition) || \
+ (ExceptionalCondition(CppAsString(condition), \
+ &(exception), \
+ (char*) NULL, __FILE__, __LINE__))))
+
+#ifndef USE_ASSERT_CHECKING
+#define Assert(condition)
+#define AssertMacro(condition) (void)true
+#define AssertArg(condition)
+#define AssertState(condition)
+#define assert_enabled 0
+#else
+#define Assert(condition) \
+ Trap(!(condition), FailedAssertion)
+
+#define AssertMacro(condition) \
+ (void)TrapMacro(!(condition), FailedAssertion)
+
+#define AssertArg(condition) \
+ Trap(!(condition), BadArg)
+
+#define AssertState(condition) \
+ Trap(!(condition), BadState)
+
+extern int assert_enabled;
+
+#endif /* USE_ASSERT_CHECKING */
+
+/*
+ * LogTrap --
+ * Generates an exception with a message if the given condition is true.
+ *
+ */
+#define LogTrap(condition, exception, printArgs) \
+ { if ((assert_enabled) && (condition)) \
+ ExceptionalCondition(CppAsString(condition), &(exception), \
+ form printArgs, __FILE__, __LINE__); }
+
+/*
+ * LogTrapMacro is the same as LogTrap but it's intended for use in macros:
+ *
+ * #define foo(x) (LogAssertMacro(x != 0, "yow!") && bar(x))
+ */
+#define LogTrapMacro(condition, exception, printArgs) \
+ ((bool) ((! assert_enabled) || (! condition) || \
+ (ExceptionalCondition(CppAsString(condition), \
+ &(exception), \
+ form printArgs, __FILE__, __LINE__))))
+
+#ifndef USE_ASSERT_CHECKING
+#define LogAssert(condition, printArgs)
+#define LogAssertMacro(condition, printArgs) true
+#define LogAssertArg(condition, printArgs)
+#define LogAssertState(condition, printArgs)
+#else
+#define LogAssert(condition, printArgs) \
+ LogTrap(!(condition), FailedAssertion, printArgs)
+
+#define LogAssertMacro(condition, printArgs) \
+ LogTrapMacro(!(condition), FailedAssertion, printArgs)
+
+#define LogAssertArg(condition, printArgs) \
+ LogTrap(!(condition), BadArg, printArgs)
+
+#define LogAssertState(condition, printArgs) \
+ LogTrap(!(condition), BadState, printArgs)
+
+extern int assertEnable(int val);
+
+#ifdef ASSERT_CHECKING_TEST
+extern int assertTest(int val);
+
+#endif
+#endif /* USE_ASSERT_CHECKING */
+
+/* ----------------------------------------------------------------
+ * Section 8: Min, Max, Abs macros
+ * ----------------------------------------------------------------
+ */
+/*
+ * Max --
+ * Return the maximum of two numbers.
+ */
+#define Max(x, y) ((x) > (y) ? (x) : (y))
+
+/*
+ * Min --
+ * Return the minimum of two numbers.
+ */
+#define Min(x, y) ((x) < (y) ? (x) : (y))
+
+/*
+ * Abs --
+ * Return the absolute value of the argument.
+ */
+#define Abs(x) ((x) >= 0 ? (x) : -(x))
+
+/*
+ * StrNCpy --
+ * Does string copy, and forces terminating NULL
+ */
+/* we do this so if the macro is used in an if action, it will work */
+#define StrNCpy(dst,src,len) \
+( \
+ ((len) > 0) ? \
+ ( \
+ strncpy((dst),(src),(len)-1), \
+ *((dst)+(len)-1)='\0' \
+ ) \
+ : \
+ (dummyret)NULL,(void)(dst) \
+)
+
+/* Get a bit mask of the bits set in non-int32 aligned addresses */
+#define INT_ALIGN_MASK (sizeof(int32) - 1)
+
+/*
+ * This function gets call too often, so we inline it if we can.
+ * Are we aligned for int32?
+ * We have to cast the pointer to int so we can do the AND
+ * We got the 64 number by testing this against the stock memset() on
+ * BSD/OS 3.0. Larger values were slower.
+ */
+#define MemSet(start, val, len) do \
+ { \
+ if (((long)(start) & INT_ALIGN_MASK) == 0 && \
+ ((len) & INT_ALIGN_MASK) == 0 && \
+ (val) == 0 && \
+ (len) <= 64) \
+ { \
+ int32 *_i = (int32 *)(start); \
+ int32 *_stop = (int32 *)((char *)(start) + (len)); \
+ \
+ while (_i < _stop) \
+ *_i++ = 0; \
+ } \
+ else \
+ memset((start), (val), (len)); \
+ } while (0)
+
+/* ----------------------------------------------------------------
+ * Section 9: externs
+ * ----------------------------------------------------------------
+ */
+
+extern Exception FailedAssertion;
+extern Exception BadArg;
+extern Exception BadState;
+
+/* in utils/error/assert.c */
+extern int ExceptionalCondition(char *conditionName,
+ Exception *exceptionP, char *details,
+ char *fileName, int lineNumber);
+
+
+/* ----------------
+ * form is used by assert and the exception handling stuff
+ * ----------------
+ */
+extern char *form(const char *fmt,...);
+
+
+
+/* ----------------------------------------------------------------
+ * Section 10: berkeley-specific configuration
+ *
+ * this section contains settings which are only relevant to the UC Berkeley
+ * sites. Other sites can ignore this
+ * ----------------------------------------------------------------
+ */
+
+/* ----------------
+ * storage managers
+ *
+ * These are experimental and are not supported in the code that
+ * we distribute to other sites.
+ * ----------------
+ */
+#ifdef NOT_USED
+#define STABLE_MEMORY_STORAGE
+#endif
+
+
+
+/* ----------------------------------------------------------------
+ * Section 11: system-specific hacks
+ *
+ * This should be limited to things that absolutely have to be
+ * included in every source file. The changes should be factored
+ * into a separate file so that changes to one port don't require
+ * changes to c.h (and everyone recompiling their whole system).
+ * ----------------------------------------------------------------
+ */
+
+#ifdef FIXADE
+#if defined(hpux)
+#include "port/hpux/fixade.h" /* for unaligned access fixup */
+#endif /* hpux */
+#endif
+
+#if defined(sun) && defined(sparc) && !defined(__SVR4)
+#define memmove(d, s, l) bcopy(s, d, l)
+#include <unistd.h>
+#endif
+
+/* These are for things that are one way on Unix and another on NT */
+#define NULL_DEV "/dev/null"
+#define COPY_CMD "cp"
+#define SEP_CHAR '/'
+
+/* ----------------
+ * end of c.h
+ * ----------------
+ */
+#endif /* C_H */
projects / postgresql / commitdiff