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common/Steamlib_null.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Passthrough/stubbed version of Steamlib.h/Steam.c for Linux non-Steam server
+
+#ifndef STEAMLIB_NULL_H
+#define STEAMLIB_NULL_H
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h> // for strlen()
+#include <stdarg.h>
+#include <dlfcn.h>
+#if !defined ( _WIN32 )
+#include <string.h>
+#endif
+
+
+typedef enum					// Filter elements returned by SteamFind{First,Next}
+{
+	STEAMFindLocalOnly,			// limit search to local filesystem
+	STEAMFindRemoteOnly,			// limit search to remote repository
+	STEAMFindAll					// do not limit search (duplicates allowed)
+} STEAMFindFilter;
+
+
+//	Direct drop-in replacements
+#define STEAM_fopen		fopen
+#define STEAM_fclose	fclose
+#define STEAM_fread		fread
+#define STEAM_fwrite	fwrite
+#define STEAM_fprintf	fprintf
+#define STEAM_fseek		fseek
+#define STEAM_ftell		ftell
+#define STEAM_feof		feof
+#define STEAM_ferror	ferror
+#define STEAM_clearerr	clearerr
+#define STEAM_rewind	rewind
+#define STEAM_fflush	fflush
+#define STEAM_setvbuf	setvbuf
+
+
+static inline int	STEAM_Mount( void )		{ return 1; }
+static inline void	STEAM_Shutdown( void )	{	}
+
+static inline unsigned int STEAM_FileSize( FILE *file )
+{
+	unsigned int iRet;
+
+	if ( !file )
+	{
+		iRet = 0;
+	}
+	else
+	{
+		int iPos;
+
+		iPos = ftell( file );
+		fseek ( file, 0, SEEK_END );
+		iRet = ftell( file );
+		fseek ( file, iPos, SEEK_SET );
+	}
+
+	return iRet;
+}
+
+
+static inline void STEAM_strerror( FILE *stream, char * p, int maxlen )
+{
+	snprintf( p, maxlen, "Steam FS unavailable" );
+}
+
+static inline void STEAM_GetLocalCopy( const char * fileName )	{	}
+
+static inline void STEAM_LogLevelLoadStarted( const char * name )		{	}
+static inline void STEAM_LogLevelLoadFinished( const char * name )	{	}
+
+static inline int STEAM_HintResourceNeed( const char * mapcycle, int forgetEverything )	{ return 1; }
+
+static inline void STEAM_TrackProgress( int enable )	{	}
+static inline void STEAM_UpdateProgress( void )		{	}
+
+static inline void STEAM_RegisterAppProgressCallback( void( *fpProgCallBack )( void ), int freq )				{	}
+static inline void STEAM_RegisterAppKeepAliveTicCallback( void( *fpKeepAliveTicCallBack )( char * scr_msg ) )	{	}
+
+static inline void STEAM_GetInterfaceVersion( char * p, int maxlen )
+{
+	snprintf( p, maxlen, "0.0.0.0" );
+}
+
+static inline long STEAM_LoadLibrary( char * pszFileName )
+{
+	void *	hDll;
+	char	szCwd[ MAX_OSPATH ];
+	char	szAbsoluteLib[ MAX_OSPATH ];
+    
+	if ( !getcwd( szCwd, sizeof( szCwd ) ) )
+		return 0;
+        
+	if ( szCwd[ strlen( szCwd ) -1 ] == '/' )
+	{
+		szCwd[ strlen( szCwd ) -1 ] = 0;
+	}
+        
+	snprintf( szAbsoluteLib, sizeof( szAbsoluteLib ), "%s/%s", szCwd, pszFileName );
+    
+	hDll = dlopen( szAbsoluteLib, RTLD_NOW );
+
+	return (long)hDll;
+}
+
+
+#endif	// STEAMLIB_NULL_H