* Merge unified-sdl to trunk

* Bump Q3_VERSION to 1.35


git-svn-id: svn://svn.icculus.org/quake3/trunk@1161 edf5b092-35ff-0310-97b2-ce42778d08ea

1 files changed, 450 insertions, 0 deletions

diff --git a/code/sys/sys_unix.c b/code/sys/sys_unix.c
new file mode 100644
index 0000000..8a8240b
--- /dev/null
+++ b/code/sys/sys_unix.c
@@ -0,0 +1,450 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <pwd.h>
+#include <libgen.h>
+
+#include "../qcommon/q_shared.h"
+#include "../qcommon/qcommon.h"
+
+// Used to determine where to store user-specific files
+static char homePath[ MAX_OSPATH ] = { 0 };
+
+/*
+==================
+Sys_DefaultHomePath
+==================
+*/
+char *Sys_DefaultHomePath(void)
+{
+	char *p;
+
+	if( !*homePath )
+	{
+		if( ( p = getenv( "HOME" ) ) != NULL )
+		{
+			Q_strncpyz( homePath, p, sizeof( homePath ) );
+#ifdef MACOS_X
+			Q_strcat( homePath, sizeof( homePath ), "/Library/Application Support/Quake3" );
+#else
+			Q_strcat( homePath, sizeof( homePath ), "/.q3a" );
+#endif
+			if( mkdir( homePath, 0777 ) )
+			{
+				if( errno != EEXIST )
+				{
+					Sys_Error( "Unable to create directory \"%s\", error is %s(%d)\n",
+							homePath, strerror( errno ), errno );
+				}
+			}
+		}
+	}
+
+	return homePath;
+}
+
+/*
+================
+Sys_Milliseconds
+================
+*/
+/* base time in seconds, that's our origin
+   timeval:tv_sec is an int:
+   assuming this wraps every 0x7fffffff - ~68 years since the Epoch (1970) - we're safe till 2038
+   using unsigned long data type to work right with Sys_XTimeToSysTime */
+unsigned long sys_timeBase = 0;
+/* current time in ms, using sys_timeBase as origin
+   NOTE: sys_timeBase*1000 + curtime -> ms since the Epoch
+     0x7fffffff ms - ~24 days
+   although timeval:tv_usec is an int, I'm not sure wether it is actually used as an unsigned int
+     (which would affect the wrap period) */
+int curtime;
+int Sys_Milliseconds (void)
+{
+	struct timeval tp;
+
+	gettimeofday(&tp, NULL);
+
+	if (!sys_timeBase)
+	{
+		sys_timeBase = tp.tv_sec;
+		return tp.tv_usec/1000;
+	}
+
+	curtime = (tp.tv_sec - sys_timeBase)*1000 + tp.tv_usec/1000;
+
+	return curtime;
+}
+
+#if !id386
+/*
+==================
+fastftol
+==================
+*/
+long fastftol( float f )
+{
+	return (long)f;
+}
+
+/*
+==================
+Sys_SnapVector
+==================
+*/
+void Sys_SnapVector( float *v )
+{
+	v[0] = rint(v[0]);
+	v[1] = rint(v[1]);
+	v[2] = rint(v[2]);
+}
+#endif
+
+
+/*
+==================
+Sys_RandomBytes
+==================
+*/
+qboolean Sys_RandomBytes( byte *string, int len )
+{
+	FILE *fp;
+
+	fp = fopen( "/dev/urandom", "r" );
+	if( !fp )
+		return qfalse;
+
+	if( !fread( string, sizeof( byte ), len, fp ) )
+	{
+		fclose( fp );
+		return qfalse;
+	}
+
+	fclose( fp );
+	return qtrue;
+}
+
+/*
+==================
+Sys_GetCurrentUser
+==================
+*/
+char *Sys_GetCurrentUser( void )
+{
+	struct passwd *p;
+
+	if ( (p = getpwuid( getuid() )) == NULL ) {
+		return "player";
+	}
+	return p->pw_name;
+}
+
+/*
+==================
+Sys_GetClipboardData
+==================
+*/
+char *Sys_GetClipboardData(void)
+{
+	return NULL;
+}
+
+#define MEM_THRESHOLD 96*1024*1024
+
+/*
+==================
+Sys_LowPhysicalMemory
+
+TODO
+==================
+*/
+qboolean Sys_LowPhysicalMemory( void )
+{
+	return qfalse;
+}
+
+/*
+==================
+Sys_Basename
+==================
+*/
+const char *Sys_Basename( char *path )
+{
+	return basename( path );
+}
+
+/*
+==================
+Sys_Dirname
+==================
+*/
+const char *Sys_Dirname( char *path )
+{
+	return dirname( path );
+}
+
+/*
+==================
+Sys_Mkdir
+==================
+*/
+void Sys_Mkdir( const char *path )
+{
+	mkdir( path, 0777 );
+}
+
+/*
+==================
+Sys_Cwd
+==================
+*/
+char *Sys_Cwd( void )
+{
+	static char cwd[MAX_OSPATH];
+
+	getcwd( cwd, sizeof( cwd ) - 1 );
+	cwd[MAX_OSPATH-1] = 0;
+
+	return cwd;
+}
+
+/*
+==============================================================
+
+DIRECTORY SCANNING
+
+==============================================================
+*/
+
+#define MAX_FOUND_FILES 0x1000
+
+/*
+==================
+Sys_ListFilteredFiles
+==================
+*/
+void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles )
+{
+	char          search[MAX_OSPATH], newsubdirs[MAX_OSPATH];
+	char          filename[MAX_OSPATH];
+	DIR           *fdir;
+	struct dirent *d;
+	struct stat   st;
+
+	if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
+		return;
+	}
+
+	if (strlen(subdirs)) {
+		Com_sprintf( search, sizeof(search), "%s/%s", basedir, subdirs );
+	}
+	else {
+		Com_sprintf( search, sizeof(search), "%s", basedir );
+	}
+
+	if ((fdir = opendir(search)) == NULL) {
+		return;
+	}
+
+	while ((d = readdir(fdir)) != NULL) {
+		Com_sprintf(filename, sizeof(filename), "%s/%s", search, d->d_name);
+		if (stat(filename, &st) == -1)
+			continue;
+
+		if (st.st_mode & S_IFDIR) {
+			if (Q_stricmp(d->d_name, ".") && Q_stricmp(d->d_name, "..")) {
+				if (strlen(subdirs)) {
+					Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s/%s", subdirs, d->d_name);
+				}
+				else {
+					Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", d->d_name);
+				}
+				Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles );
+			}
+		}
+		if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
+			break;
+		}
+		Com_sprintf( filename, sizeof(filename), "%s/%s", subdirs, d->d_name );
+		if (!Com_FilterPath( filter, filename, qfalse ))
+			continue;
+		list[ *numfiles ] = CopyString( filename );
+		(*numfiles)++;
+	}
+
+	closedir(fdir);
+}
+
+/*
+==================
+Sys_ListFiles
+==================
+*/
+char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs )
+{
+	struct dirent *d;
+	DIR           *fdir;
+	qboolean      dironly = wantsubs;
+	char          search[MAX_OSPATH];
+	int           nfiles;
+	char          **listCopy;
+	char          *list[MAX_FOUND_FILES];
+	int           i;
+	struct stat   st;
+
+	int           extLen;
+
+	if (filter) {
+
+		nfiles = 0;
+		Sys_ListFilteredFiles( directory, "", filter, list, &nfiles );
+
+		list[ nfiles ] = NULL;
+		*numfiles = nfiles;
+
+		if (!nfiles)
+			return NULL;
+
+		listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
+		for ( i = 0 ; i < nfiles ; i++ ) {
+			listCopy[i] = list[i];
+		}
+		listCopy[i] = NULL;
+
+		return listCopy;
+	}
+
+	if ( !extension)
+		extension = "";
+
+	if ( extension[0] == '/' && extension[1] == 0 ) {
+		extension = "";
+		dironly = qtrue;
+	}
+
+	extLen = strlen( extension );
+	
+	// search
+	nfiles = 0;
+
+	if ((fdir = opendir(directory)) == NULL) {
+		*numfiles = 0;
+		return NULL;
+	}
+
+	while ((d = readdir(fdir)) != NULL) {
+		Com_sprintf(search, sizeof(search), "%s/%s", directory, d->d_name);
+		if (stat(search, &st) == -1)
+			continue;
+		if ((dironly && !(st.st_mode & S_IFDIR)) ||
+			(!dironly && (st.st_mode & S_IFDIR)))
+			continue;
+
+		if (*extension) {
+			if ( strlen( d->d_name ) < strlen( extension ) ||
+				Q_stricmp(
+					d->d_name + strlen( d->d_name ) - strlen( extension ),
+					extension ) ) {
+				continue; // didn't match
+			}
+		}
+
+		if ( nfiles == MAX_FOUND_FILES - 1 )
+			break;
+		list[ nfiles ] = CopyString( d->d_name );
+		nfiles++;
+	}
+
+	list[ nfiles ] = NULL;
+
+	closedir(fdir);
+
+	// return a copy of the list
+	*numfiles = nfiles;
+
+	if ( !nfiles ) {
+		return NULL;
+	}
+
+	listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
+	for ( i = 0 ; i < nfiles ; i++ ) {
+		listCopy[i] = list[i];
+	}
+	listCopy[i] = NULL;
+
+	return listCopy;
+}
+
+/*
+==================
+Sys_FreeFileList
+==================
+*/
+void Sys_FreeFileList( char **list )
+{
+	int i;
+
+	if ( !list ) {
+		return;
+	}
+
+	for ( i = 0 ; list[i] ; i++ ) {
+		Z_Free( list[i] );
+	}
+
+	Z_Free( list );
+}
+
+#ifdef MACOS_X
+/*
+=================
+Sys_StripAppBundle
+
+Discovers if passed dir is suffixed with the directory structure of a Mac OS X
+.app bundle. If it is, the .app directory structure is stripped off the end and
+the result is returned. If not, dir is returned untouched.
+=================
+*/
+char *Sys_StripAppBundle( char *dir )
+{
+	static char cwd[MAX_OSPATH];
+
+	Q_strncpyz(cwd, dir, sizeof(cwd));
+	if(strcmp(Sys_Basename(cwd), "MacOS"))
+		return dir;
+	Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
+	if(strcmp(Sys_Basename(cwd), "Contents"))
+		return dir;
+	Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
+	if(!strstr(Sys_Basename(cwd), ".app"))
+		return dir;
+	Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
+	return cwd;
+}
+#endif // MACOS_X