Merge remote-tracking branch 'github/master'
[xonotic/netradiant.git] / tools / quake3 / q3map2 / path_init.c
index 901f07fc3f64db841221fd26e82558564fab6d29..07ebc31b1e154dc2ade01a871560ad49a3b1635a 100644 (file)
@@ -49,7 +49,7 @@ int numBasePaths;
 char                    *basePaths[ MAX_BASE_PATHS ];
 int numGamePaths;
 char                    *gamePaths[ MAX_GAME_PATHS ];
-
+char                    *homeBasePath = NULL;
 
 
 /*
@@ -69,20 +69,24 @@ char *LokiGetHomeDir( void ){
        static char     buf[ 4096 ];
        struct passwd   pw, *pwp;
        char            *home;
+       static char homeBuf[MAX_OS_PATH];
 
 
        /* get the home environment variable */
        home = getenv( "HOME" );
-       if ( home ) {
-               return Q_strncpyz( buf, home, sizeof( buf ) );
-       }
 
        /* look up home dir in password database */
-       if ( getpwuid_r( getuid(), &pw, buf, sizeof( buf ), &pwp ) == 0 ) {
-               return pw.pw_dir;
+       if(!home)
+       {
+               if ( getpwuid_r( getuid(), &pw, buf, sizeof( buf ), &pwp ) == 0 ) {
+                       return pw.pw_dir;
+               }
        }
 
-       return NULL;
+       snprintf( homeBuf, sizeof( homeBuf ), "%s/.", home );
+
+       /* return it */
+       return homeBuf;
        #endif
 }
 
@@ -94,23 +98,33 @@ char *LokiGetHomeDir( void ){
  */
 
 void LokiInitPaths( char *argv0 ){
+       char        *home;
+
+       if ( !homePath ) {
+               /* get home dir */
+               home = LokiGetHomeDir();
+               if ( home == NULL ) {
+                       home = ".";
+               }
+
+               /* set home path */
+               homePath = home;
+       }
+       else{
+               home = homePath;
+       }
+
        #ifndef Q_UNIX
        /* this is kinda crap, but hey */
        strcpy( installPath, "../" );
        #else
        char temp[ MAX_OS_PATH ];
-       char        *home;
+       char last0[ 2 ];
        char        *path;
        char        *last;
        qboolean found;
 
 
-       /* get home dir */
-       home = LokiGetHomeDir();
-       if ( home == NULL ) {
-               home = ".";
-       }
-
        path = getenv( "PATH" );
 
        /* do some path divining */
@@ -162,9 +176,6 @@ void LokiInitPaths( char *argv0 ){
                *( strrchr( installPath, '/' ) ) = '\0';
                *( strrchr( installPath, '/' ) + 1 ) = '\0';
        }
-
-       /* set home path */
-       homePath = home;
        #endif
 }
 
@@ -256,29 +267,52 @@ void AddBasePath( char *path ){
  */
 
 void AddHomeBasePath( char *path ){
-       #ifdef Q_UNIX
        int i;
        char temp[ MAX_OS_PATH ];
+       int homePathLen;
 
+       if ( !homePath ) {
+               return;
+       }
 
        /* dummy check */
        if ( path == NULL || path[ 0 ] == '\0' ) {
                return;
        }
 
+       /* strip leading dot, if homePath does not end in /. */
+       homePathLen = strlen( homePath );
+       if ( !strcmp( path, "." ) ) {
+               /* -fs_homebase . means that -fs_home is to be used as is */
+               strcpy( temp, homePath );
+       }
+       else if ( homePathLen >= 2 && !strcmp( homePath + homePathLen - 2, "/." ) ) {
+               /* remove trailing /. of homePath */
+               homePathLen -= 2;
+
+               /* concatenate home dir and path */
+               sprintf( temp, "%.*s/%s", homePathLen, homePath, path );
+       }
+       else
+       {
+               /* remove leading . of path */
+               if ( path[0] == '.' ) {
+                       ++path;
+               }
+
+               /* concatenate home dir and path */
+               sprintf( temp, "%s/%s", homePath, path );
+       }
+
        /* make a hole */
-       for ( i = 0; i < ( MAX_BASE_PATHS - 1 ); i++ )
+       for ( i = ( MAX_BASE_PATHS - 2 ); i >= 0; i-- )
                basePaths[ i + 1 ] = basePaths[ i ];
 
-       /* concatenate home dir and path */
-       sprintf( temp, "%s/%s", homePath, path );
-
        /* add it to the list */
        basePaths[ 0 ] = safe_malloc( strlen( temp ) + 1 );
        strcpy( basePaths[ 0 ], temp );
        CleanPath( basePaths[ 0 ] );
        numBasePaths++;
-       #endif
 }
 
 
@@ -361,6 +395,20 @@ void InitPaths( int *argc, char **argv ){
                        argv[ i ] = NULL;
                }
 
+               /* -fs_forbiddenpath */
+               else if ( strcmp( argv[ i ], "-fs_forbiddenpath" ) == 0 ) {
+                       if ( ++i >= *argc ) {
+                               Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
+                       }
+                       argv[ i - 1 ] = NULL;
+                       if ( g_numForbiddenDirs < VFS_MAXDIRS ) {
+                               strncpy( g_strForbiddenDirs[g_numForbiddenDirs], argv[i], PATH_MAX );
+                               g_strForbiddenDirs[g_numForbiddenDirs][PATH_MAX] = 0;
+                               ++g_numForbiddenDirs;
+                       }
+                       argv[ i ] = NULL;
+               }
+
                /* -fs_basepath */
                else if ( strcmp( argv[ i ], "-fs_basepath" ) == 0 ) {
                        if ( ++i >= *argc ) {
@@ -380,6 +428,37 @@ void InitPaths( int *argc, char **argv ){
                        AddGamePath( argv[ i ] );
                        argv[ i ] = NULL;
                }
+
+               /* -fs_home */
+               else if ( strcmp( argv[ i ], "-fs_home" ) == 0 ) {
+                       if ( ++i >= *argc ) {
+                               Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
+                       }
+                       argv[ i - 1 ] = NULL;
+                       homePath = argv[i];
+                       argv[ i ] = NULL;
+               }
+
+               /* -fs_homebase */
+               else if ( strcmp( argv[ i ], "-fs_homebase" ) == 0 ) {
+                       if ( ++i >= *argc ) {
+                               Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
+                       }
+                       argv[ i - 1 ] = NULL;
+                       homeBasePath = argv[i];
+                       argv[ i ] = NULL;
+               }
+
+               /* -fs_homepath - sets both of them */
+               else if ( strcmp( argv[ i ], "-fs_homepath" ) == 0 ) {
+                       if ( ++i >= *argc ) {
+                               Error( "Out of arguments: No path specified after %s.", argv[ i - 1 ] );
+                       }
+                       argv[ i - 1 ] = NULL;
+                       homePath = argv[i];
+                       homeBasePath = ".";
+                       argv[ i ] = NULL;
+               }
        }
 
        /* remove processed arguments */
@@ -436,7 +515,12 @@ void InitPaths( int *argc, char **argv ){
        }
 
        /* this only affects unix */
-       AddHomeBasePath( game->homeBasePath );
+       if ( homeBasePath ) {
+               AddHomeBasePath( homeBasePath );
+       }
+       else{
+               AddHomeBasePath( game->homeBasePath );
+       }
 
        /* initialize vfs paths */
        if ( numBasePaths > MAX_BASE_PATHS ) {