220 lines
5.3 KiB
C++
Executable File
220 lines
5.3 KiB
C++
Executable File
#ifndef SYSDEP_H_INCLUDED
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#define SYSDEP_H_INCLUDED
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#include "config.h"
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#if OS_WIN
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# include "win/win.h"
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#elif OS_UNIX
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# include "unix/unix.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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// compiling without exceptions (usually for performance reasons);
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// tell STL not to generate any.
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#if CONFIG_DISABLE_EXCEPTIONS
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# if OS_WIN
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# define _HAS_EXCEPTIONS 0
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# else
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# define STL_NO_EXCEPTIONS
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# endif
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#endif
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// vsnprintf2: handles positional parameters and %lld.
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// already available on *nix, emulated on Win32.
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#if OS_WIN
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extern int vsnprintf2(char* buffer, size_t count, const char* format, va_list argptr);
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#else
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#define vsnprintf2 vsnprintf
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#endif
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// alloca: allocate on stack, automatically free, return 0 if out of mem.
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// already available on *nix, emulated on Win32.
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#if OS_WIN
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#undef alloca // from malloc.h
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extern void* alloca(size_t size);
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#endif
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// finite: return 0 iff the given double is infinite or NaN.
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#if OS_WIN
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# define finite _finite
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#else
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# define finite __finite
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#endif
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//
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// output
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//
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enum DisplayErrorFlags
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{
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DE_ALLOW_SUPPRESS = 1,
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DE_NO_CONTINUE = 2,
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DE_MANUAL_BREAK = 4
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};
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// choices offered by the shared error dialog
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enum ErrorReaction
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{
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// ignore, continue as if nothing happened.
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ER_CONTINUE = 1,
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// note: don't start at 0 because that is interpreted as a
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// DialogBoxParam failure.
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// ignore and do not report again.
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// only returned if DE_ALLOW_SUPPRESS was passed.
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ER_SUPPRESS,
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// note: non-persistent; only applicable during this program run.
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// trigger breakpoint, i.e. enter debugger.
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// only returned if DE_MANUAL_BREAK was passed; otherwise,
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// display_error will trigger a breakpoint itself.
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ER_BREAK,
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// exit the program immediately.
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// never returned; display_error exits immediately.
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ER_EXIT
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};
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extern ErrorReaction display_error(const wchar_t* description, int flags,
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uint skip, void* context, const char* file, int line);
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// convenience version, in case the advanced parameters aren't needed.
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// done this way instead of with default values so that it also works in C.
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#define DISPLAY_ERROR(text) display_error(text, 0, 0, 0, __FILE__, __LINE__)
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// internal use only (used by display_error)
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extern ErrorReaction display_error_impl(const wchar_t* text, int flags);
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extern void display_msg(const char* caption, const char* msg);
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extern void wdisplay_msg(const wchar_t* caption, const wchar_t* msg);
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//
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// clipboard
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//
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extern int clipboard_set(const wchar_t* text);
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extern wchar_t* clipboard_get(void);
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extern int clipboard_free(wchar_t* copy);
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//
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// mouse cursor
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//
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// note: these do not warn on error; that is left to the caller.
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// creates a cursor from the given 32 bpp RGBA texture. hotspot (hx,hy) is
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// the offset from its upper-left corner to the position where mouse clicks
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// are registered.
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// the cursor must be cursor_free-ed when no longer needed.
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extern int sys_cursor_create(int w, int h, void* img, int hx, int hy,
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void** cursor);
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// replaces the current system cursor with the one indicated. need only be
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// called once per cursor; pass 0 to restore the default.
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extern int sys_cursor_set(void* cursor);
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// destroys the indicated cursor and frees its resources. if it is
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// currently the system cursor, the default cursor is restored first.
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extern int sys_cursor_free(void* cursor);
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extern int get_executable_name(char* n_path, size_t buf_size);
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// return filename of the module which contains address <addr>,
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// or L"" on failure. path holds the string and must be >= MAX_PATH chars.
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wchar_t* get_module_filename(void* addr, wchar_t* path);
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extern int pick_directory(char* n_path, size_t buf_size);
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extern void memcpy2(void* dst, const void* src, size_t nbytes);
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// not possible with POSIX calls.
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// called from ia32.cpp get_cpu_count
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extern int on_each_cpu(void(*cb)());
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#if MSC_VERSION
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extern double round(double);
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#endif
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#if !HAVE_C99
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extern float fminf(float a, float b);
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extern float fmaxf(float a, float b);
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#endif
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#if !MSC_VERSION
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#define stricmp strcasecmp
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#define strnicmp strncasecmp
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#endif
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#ifdef __cplusplus
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}
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#endif
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// C++ linkage
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// STL_HASH_MAP, STL_HASH_MULTIMAP, STL_HASH_SET
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#if GCC_VERSION
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// GCC
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# include <ext/hash_map>
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# include <ext/hash_set> // Probably?
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# define STL_HASH_MAP __gnu_cxx::hash_map
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# define STL_HASH_MULTIMAP __gnu_cxx::hash_multimap
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# define STL_HASH_SET __gnu_cxx::hash_set
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# define STL_HASH_MULTISET __gnu_cxx::hash_multiset
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# define STL_SLIST __gnu_cxx::slist
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// Hack: GCC Doesn't have a hash instance for std::string included (and it looks
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// like they won't add it - marked resolved/wontfix in the gcc bugzilla)
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namespace __gnu_cxx
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{
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template<> struct hash<std::string>
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{
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size_t operator()(const std::string& __x) const
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{
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return __stl_hash_string(__x.c_str());
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}
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};
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}
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#else // !__GNUC__
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# include <hash_map>
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# include <hash_set>
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// VC7 or above
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# if MSC_VERSION >= 1300
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# define STL_HASH_MAP stdext::hash_map
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# define STL_HASH_MULTIMAP stdext::hash_multimap
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# define STL_HASH_SET stdext::hash_set
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# define STL_HASH_MULTISET stdext::hash_multiset
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// VC6 and anything else (most likely name)
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# else
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# define STL_HASH_MAP std::hash_map
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# define STL_HASH_MULTIMAP std::hash_multimap
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# define STL_HASH_SET std::hash_set
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# define STL_HASH_MULTISET std::hash_multiset
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# endif // MSC_VERSION >= 1300
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#endif // !__GNUC__
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#include "debug.h"
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#endif // #ifndef SYSDEP_H_INCLUDED
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