windows-nt/Source/XPSP1/NT/shell/ext/url/stock.h

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2020-09-26 03:20:57 -05:00
/*
* stock.h - Stock header file.
*/
/* Constants
************/
#define FOREVER for (;;)
#define INVALID_SEEK_POSITION (0xffffffff)
#define EMPTY_STRING ""
#ifdef DEBUG
#define NULL_STRING "(null)"
#endif
#define SLASH_SLASH "\\\\"
#define ASTERISK '*'
#define BACKSLASH '/'
#define COLON ':'
#define COMMA ','
#define EQUAL '='
#define PERIOD '.'
#define POUND '#'
#define QMARK '?'
#define QUOTE '\''
#define QUOTES '"'
#define SLASH '\\'
#define SPACE ' '
#define TAB '\t'
/* linkage */
/* #pragma data_seg() doesn't work for variables defined extern. */
#define PUBLIC_CODE
#define PUBLIC_DATA
/* Make private functions and data public for profiling and debugging. */
#define PRIVATE_CODE PUBLIC_CODE
#define PRIVATE_DATA PUBLIC_DATA
#ifdef __cplusplus
#define INLINE inline
#else
#define INLINE __inline
#endif
/* limits */
#define WORD_MAX USHRT_MAX
#define DWORD_MAX ULONG_MAX
/* file system constants */
#define MAX_BUF 260
#define MAX_PATH_LEN MAX_PATH
#define MAX_NAME_LEN MAX_PATH
#define MAX_FOLDER_DEPTH (MAX_PATH / 2)
#define DRIVE_ROOT_PATH_LEN (4)
/* ui constants */
#define MAX_MSG_LEN MAX_PATH_LEN
/* invalid thread ID */
#define INVALID_THREAD_ID (0xffffffff)
/* no context-sensitive help available */
#define NO_HELP ((DWORD)-1)
/* Win32 HRESULTs */
#define E_FILE_NOT_FOUND MAKE_SCODE(SEVERITY_ERROR, FACILITY_WIN32, ERROR_FILE_NOT_FOUND)
#define E_PATH_NOT_FOUND MAKE_SCODE(SEVERITY_ERROR, FACILITY_WIN32, ERROR_PATH_NOT_FOUND)
/* file-related flag combinations */
#define ALL_FILE_ACCESS_FLAGS (GENERIC_READ |\
GENERIC_WRITE)
#define ALL_FILE_SHARING_FLAGS (FILE_SHARE_READ |\
FILE_SHARE_WRITE)
#define ALL_FILE_ATTRIBUTES (FILE_ATTRIBUTE_READONLY |\
FILE_ATTRIBUTE_HIDDEN |\
FILE_ATTRIBUTE_SYSTEM |\
FILE_ATTRIBUTE_DIRECTORY |\
FILE_ATTRIBUTE_ARCHIVE |\
FILE_ATTRIBUTE_NORMAL |\
FILE_ATTRIBUTE_TEMPORARY |\
FILE_ATTRIBUTE_ATOMIC_WRITE |\
FILE_ATTRIBUTE_XACTION_WRITE)
#define ALL_FILE_FLAGS (FILE_FLAG_WRITE_THROUGH |\
FILE_FLAG_OVERLAPPED |\
FILE_FLAG_NO_BUFFERING |\
FILE_FLAG_RANDOM_ACCESS |\
FILE_FLAG_SEQUENTIAL_SCAN |\
FILE_FLAG_DELETE_ON_CLOSE |\
FILE_FLAG_BACKUP_SEMANTICS |\
FILE_FLAG_POSIX_SEMANTICS)
#define ALL_FILE_ATTRIBUTES_AND_FLAGS (ALL_FILE_ATTRIBUTES |\
ALL_FILE_FLAGS)
/* Macros
*********/
#ifndef DECLARE_STANDARD_TYPES
/*
* For a type "FOO", define the standard derived types PFOO, CFOO, and PCFOO.
*/
#define DECLARE_STANDARD_TYPES(type) typedef type *P##type; \
typedef const type C##type; \
typedef const type *PC##type;
#endif
/*
* For a type "FOO", define the standard derived UNALIGNED types PFOO, CFOO, and PCFOO.
* WINNT: RISC boxes care about ALIGNED, intel does not.
*/
#define DECLARE_STANDARD_TYPES_U(type) typedef UNALIGNED type *P##type; \
typedef UNALIGNED const type C##type; \
typedef UNALIGNED const type *PC##type;
/* character manipulation */
#define IS_SLASH(ch) ((ch) == SLASH || (ch) == BACKSLASH)
#ifdef InRange
#undef InRange
#endif
#define InRange(id, idFirst, idLast) ((UINT)(id-idFirst) <= (UINT)(idLast-idFirst))
/* bit flag manipulation */
#define SET_FLAG(dwAllFlags, dwFlag) ((dwAllFlags) |= (dwFlag))
#define CLEAR_FLAG(dwAllFlags, dwFlag) ((dwAllFlags) &= (~dwFlag))
#define IS_FLAG_SET(dwAllFlags, dwFlag) ((BOOL)((dwAllFlags) & (dwFlag)))
#define IS_FLAG_CLEAR(dwAllFlags, dwFlag) (! (IS_FLAG_SET(dwAllFlags, dwFlag)))
#define SetFlag SET_FLAG
#define ClearFlag CLEAR_FLAG
#define IsFlagSet IS_FLAG_SET
#define IsFlagClear IS_FLAG_CLEAR
/* array element count */
#define ARRAY_ELEMENTS(rg) (sizeof(rg) / sizeof((rg)[0]))
#ifdef SIZECHARS
#undef SIZECHARS
#endif
#define SIZECHARS(rg) ARRAY_ELEMENTS(rg)
/* string safety */
#define CHECK_STRING(psz) ((psz) ? (psz) : NULL_STRING)
/* file attribute manipulation */
#define IS_ATTR_DIR(attr) (IS_FLAG_SET((attr), FILE_ATTRIBUTE_DIRECTORY))
#define IS_ATTR_VOLUME(attr) (IS_FLAG_SET((attr), FILE_ATTRIBUTE_VOLUME))
/* stuff a point value packed in an LPARAM into a POINT */
#define LPARAM_TO_POINT(lparam, pt) ((pt).x = (short)LOWORD(lparam), \
(pt).y = (short)HIWORD(lparam))
/* use the Win32 API string equivalents */
#define lstrnicmp(sz1, sz2, cch) (CompareString(LOCALE_USER_DEFAULT, NORM_IGNORECASE, sz1, cch, sz2, cch) - 2)
#define lstrncmp(sz1, sz2, cch) (CompareString(LOCALE_USER_DEFAULT, 0, sz1, cch, sz2, cch) - 2)
// Count of characters to count of bytes
//
#define CbFromCchW(cch) ((cch)*sizeof(WCHAR))
#define CbFromCchA(cch) ((cch)*sizeof(CHAR))
#ifdef UNICODE
#define CbFromCch CbFromCchW
#else // UNICODE
#define CbFromCch CbFromCchA
#endif // UNICODE
//
// SAFECAST(obj, type)
//
// This macro is extremely useful for enforcing strong typechecking on other
// macros. It generates no code.
//
// Simply insert this macro at the beginning of an expression list for
// each parameter that must be typechecked. For example, for the
// definition of MYMAX(x, y), where x and y absolutely must be integers,
// use:
//
// #define MYMAX(x, y) (SAFECAST(x, int), SAFECAST(y, int), ((x) > (y) ? (x) : (y)))
//
//
#define SAFECAST(_obj, _type) (((_type)(_obj)==(_obj)?0:0), (_type)(_obj))
/* Types
********/
typedef const void *PCVOID;
typedef const INT CINT;
typedef const INT *PCINT;
typedef const UINT CUINT;
typedef const UINT *PCUINT;
typedef const LONG CULONG;
typedef const LONG *PCULONG;
typedef const BYTE CBYTE;
typedef const BYTE *PCBYTE;
typedef const WORD CWORD;
typedef const WORD *PCWORD;
typedef const DWORD CDWORD;
typedef const DWORD *PCDWORD;
typedef const CRITICAL_SECTION CCRITICAL_SECTION;
typedef const CRITICAL_SECTION *PCCRITICAL_SECTION;
typedef const FILETIME CFILETIME;
typedef const FILETIME *PCFILETIME;
typedef const BITMAPINFO CBITMAPINFO;
typedef const BITMAPINFO *PCBITMAPINFO;
typedef const POINT CPOINT;
typedef const POINT *PCPOINT;
typedef const POINTL CPOINTL;
typedef const POINTL *PCPOINTL;
typedef const SECURITY_ATTRIBUTES CSECURITY_ATTRIBUTES;
typedef const SECURITY_ATTRIBUTES *PCSECURITY_ATTRIBUTES;
typedef const WIN32_FIND_DATA CWIN32_FIND_DATA;
typedef const WIN32_FIND_DATA *PCWIN32_FIND_DATA;
DECLARE_STANDARD_TYPES(HGLOBAL);
DECLARE_STANDARD_TYPES(HICON);
DECLARE_STANDARD_TYPES(HMENU);
DECLARE_STANDARD_TYPES(HWND);
DECLARE_STANDARD_TYPES(NMHDR);
#ifndef _COMPARISONRESULT_DEFINED_
/* comparison result */
typedef enum _comparisonresult
{
CR_FIRST_SMALLER = -1,
CR_EQUAL = 0,
CR_FIRST_LARGER = +1
}
COMPARISONRESULT;
DECLARE_STANDARD_TYPES(COMPARISONRESULT);
#define _COMPARISONRESULT_DEFINED_
#endif