49 files changed, 420 insertions, 108 deletions

diff --git a/src/common.make b/src/common.make
index be6a302..96a1a7f 100644
--- a/src/common.make
+++ b/src/common.make
@@ -1,10 +1,10 @@
 # ============== ENVIRONMENT VARIABLES
 
 CC = i586-elf-gcc
-CFLAGS = -nostdlib -nostartfiles -nodefaultlibs -fno-builtin -fno-stack-protector -Wall -Wextra -g
+CFLAGS = -nostdlib -nostartfiles -nodefaultlibs -fno-builtin -fno-stack-protector -Wall -Werror -g -Wno-error=main
 CCFLAGS = 
 CXX = i586-elf-g++
-CXXFLAGS = -fno-rtti -fno-exceptions -Werror -Wno-write-strings -Wno-error=unused-parameter -g
+CXXFLAGS = -fno-rtti -fno-exceptions -Wall -Werror -Wno-write-strings -Wno-main -Wno-error=unused-parameter -Wno-error=main -g
 
 LD = i586-elf-ld
 .PHONY: clean, mrproper
@@ -18,9 +18,9 @@ AFLAGS = -f elf
 
 all: $(Out)
 
-$(Out): $(Obj)
+$(Out): $(Obj) $(ExtObj)
 	echo ""; echo "- Linking $@..."
-	$(LD) $(LDFLAGS) $^ -o $@ $(ExtObj)
+	$(LD) $(LDFLAGS) $^ -o $@
 
 # ============== GENERAL CLEAINING PROCEDURES
 
diff --git a/src/include/tce/vfs.h b/src/include/tce/vfs.h
index 00c80d7..329bd8b 100644
--- a/src/include/tce/vfs.h
+++ b/src/include/tce/vfs.h
@@ -16,10 +16,9 @@ typedef struct _file_info {
 // file open flags
 #define FM_READ		0x00000001
 #define FM_WRITE	0x00000002
-#define FM_APPEND	0x00000004
+#define FM_DELETE	0x00000004
 #define FM_TRUNC	0x00000008
 #define FM_CREATE	0x00000010
-#define FM_DELETE	0x00000020
 
 // link modes
 #define LM_SYMLINK		1
diff --git a/src/include/types.h b/src/include/types.h
index e7c1a35..373a3b5 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -11,6 +11,7 @@ typedef short		int16_t;
 typedef char		int8_t;
 
 typedef long unsigned int size_t;
+typedef long int ptrdiff_t;
 
 #define NULL 0
 
diff --git a/src/kernel/Makefile b/src/kernel/Makefile
index a6ad58a..ba65580 100644
--- a/src/kernel/Makefile
+++ b/src/kernel/Makefile
@@ -10,7 +10,7 @@ Obj = core/loader_.o core/kmain.o core/sys.o \
 
 include $(SrcPath)/common.make
 
-CFLAGS += -I $(SrcPath)/include -I . -I ./lib
+CFLAGS += -I $(SrcPath)/include -I . -I ./lib -Wno-error=unused-variable
 
 LDFLAGS += -T link.ld -Map kernel.map
 
diff --git a/src/kernel/lib/sched.c b/src/kernel/lib/sched.cpp
index 29ea8a8..06900d1 100644
--- a/src/kernel/lib/sched.c
+++ b/src/kernel/lib/sched.cpp
@@ -1,4 +1,5 @@
 #include <sched.h>
+#include <task/task.h>
 
 /*	Internal use only. This function is atomic, meaning it cannot be interrupted by a system task switch. */
 static uint32_t atomic_exchange(uint32_t* ptr, uint32_t newval) {
diff --git a/src/kernel/task/task.cpp b/src/kernel/task/task.cpp
index 7eb2b36..03425b5 100644
--- a/src/kernel/task/task.cpp
+++ b/src/kernel/task/task.cpp
@@ -349,7 +349,7 @@ static void process_finish(process *pr, int retval) {
 	if (proc_count == 0) PANIC("No more processes are running! This is bad! Or is it?");
 }
 
-size_t process::sbrk(size_t size) {
+size_t process::sbrk(ptrdiff_t size) {
 	if (data == 0) return -1;
 	ASSERT(data < K_HIGHHALF_ADDR);
 	if (data + size >= K_HIGHHALF_ADDR) return -1;
@@ -420,7 +420,7 @@ void* process::set_args(char** args) {
 // =====================  SYSTEM CALLS
 
 
-size_t process_sbrk(size_t size) {
+size_t process_sbrk(ptrdiff_t size) {
 	return current_process->sbrk(size);
 }
 
diff --git a/src/kernel/task/task.h b/src/kernel/task/task.h
index 8a0e94a..e6e0c6e 100644
--- a/src/kernel/task/task.h
+++ b/src/kernel/task/task.h
@@ -44,7 +44,7 @@ class process {
 	process(process *parent, uint32_t uid, uint32_t privilege);
 
 	void* set_args(char** args);
-	size_t sbrk(size_t size);
+	size_t sbrk(ptrdiff_t size);
 };
 
 class thread {
@@ -81,7 +81,7 @@ int proc_priv();	//Returns current privilege level
 // syscalls
 void thread_exit();
 void process_exit(size_t retval);
-size_t process_sbrk(size_t size);
+size_t process_sbrk(ptrdiff_t size);
 void process_brk(size_t ptr);
 int process_run(char* file, char** args, FILE zero_fd);
 int process_waitpid(int pid, int block);
diff --git a/src/user/app/common.make b/src/user/app/common.make
new file mode 100644
index 0000000..6e1c78f
--- /dev/null
+++ b/src/user/app/common.make
@@ -0,0 +1,6 @@
+ExtObj = $(SrcPath)/user/lib/libc/_libc.o
+
+include $(SrcPath)/common.make
+
+CFLAGS += -I $(SrcPath)/include -I $(SrcPath)/user/lib/libc/include
+LDFLAGS += -T $(SrcPath)/user/link.ld 
diff --git a/src/user/app/fwik.make b/src/user/app/fwik.make
new file mode 100644
index 0000000..292440d
--- /dev/null
+++ b/src/user/app/fwik.make
@@ -0,0 +1,6 @@
+ExtObj = $(SrcPath)/user/lib/fwik/_fwik.o
+
+include $(SrcPath)/common.make
+
+CFLAGS += -I $(SrcPath)/include -I $(SrcPath)/user/lib/libc/include -I $(SrcPath)/user/lib/fwik/include
+LDFLAGS += -T $(SrcPath)/user/link.ld 
diff --git a/src/user/app/init/Makefile b/src/user/app/init/Makefile
new file mode 100644
index 0000000..6ab7cf8
--- /dev/null
+++ b/src/user/app/init/Makefile
@@ -0,0 +1,6 @@
+Obj = main.o
+Out = init.elf
+
+include $(SrcPath)/user/app/fwik.make
+
+LDFLAGS += -Map init.map
diff --git a/src/user/app/init/main.cpp b/src/user/app/init/main.cpp
new file mode 100644
index 0000000..4bb12da
--- /dev/null
+++ b/src/user/app/init/main.cpp
@@ -0,0 +1,22 @@
+#include <tce/syscall.h>
+#include <IO/IOStream.h>
+
+int Main(char** args) {
+	FILE home_term = libc::open("/.ui/home", 0);
+	if (home_term < 0) return -1;
+
+	stdio << "(init) Trivial/Computing Environment says hello. Press super to go home.\n";
+
+	for (int i = 0; args[i] != 0; i++) {
+		if (i == 0) continue;
+		stdio.printf("(init) Spawning %s...\n", args[i]);
+		int pid = libc::run(args[i], 0, home_term);
+		if (pid < 0) {
+			stdio << "(init) Error. Sorry.\n";
+		} else {
+			libc::waitpid(pid, 1);
+		}
+	}
+	stdio << "(init) Goodbye.\n";
+	return 0;
+}
diff --git a/src/user/app/prime/Makefile b/src/user/app/prime/Makefile
new file mode 100644
index 0000000..0e86c31
--- /dev/null
+++ b/src/user/app/prime/Makefile
@@ -0,0 +1,6 @@
+Obj = main.o
+Out = prime.elf
+
+include $(SrcPath)/user/app/fwik.make
+
+LDFLAGS += -Map prime.map
diff --git a/src/user/app/prime/main.cpp b/src/user/app/prime/main.cpp
new file mode 100644
index 0000000..b2b08a8
--- /dev/null
+++ b/src/user/app/prime/main.cpp
@@ -0,0 +1,17 @@
+#include <IO/IOStream.h>
+
+bool is_prime(int i) {
+	for (int j = 2; j*j <= i; j++) {
+		if (i % j == 0) return false;
+	}
+	return true;
+}
+
+int Main(char** args) {
+	for (int i = 2; i < 1000000; i++) {
+		if (is_prime(i)) stdio.printf("%d\t", i);
+	}
+	stdio.printf("\nThat's all prime numbers for today.\n");
+
+	return 0;
+}
diff --git a/src/user/test/Makefile b/src/user/app/test/Makefile
index 5c8464a..a64af01 100644
--- a/src/user/test/Makefile
+++ b/src/user/app/test/Makefile
@@ -1,6 +1,6 @@
 Obj = main.o
 Out = test.elf
 
-include $(SrcPath)/user/app_common.make
+include $(SrcPath)/user/app/common.make
 
 LDFLAGS += -Map test.map
diff --git a/src/user/test/main.c b/src/user/app/test/main.c
index 7ca4802..5940cae 100644
--- a/src/user/test/main.c
+++ b/src/user/app/test/main.c
@@ -1,6 +1,4 @@
 #include <tce/syscall.h>
-#include <stdlib.h>
-#include <stdio.h>
 
 int threads = 0;
 
diff --git a/src/user/app/yosh/Makefile b/src/user/app/yosh/Makefile
new file mode 100644
index 0000000..bf55ce1
--- /dev/null
+++ b/src/user/app/yosh/Makefile
@@ -0,0 +1,6 @@
+Obj = main.o
+Out = yosh.elf
+
+include $(SrcPath)/user/app/fwik.make
+
+LDFLAGS += -Map yosh.map
diff --git a/src/user/yosh/main.c b/src/user/app/yosh/main.cpp
index d334d1e..fe3eeed 100644
--- a/src/user/yosh/main.c
+++ b/src/user/app/yosh/main.cpp
@@ -3,34 +3,37 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <readline.h>
+#include <IO/IOStream.h>
+
+using namespace libc;
 
 FILE cwd_f;
 char *cwd;
 
 void about() {
-	print("Trivial/Computing Environment v0.1.0 - yosh 3.\n");
+	stdio << "Trivial/Computing Environment v0.1.0 - yosh 3.\n";
 }
 
 void help(char *args[]) {
 	if (args[1] == 0) {
-		print("Available commands: about, help, exit, ls, cd, goto.\n");
+		stdio << "Available commands: about, help, exit, ls, cd, goto.\n";
 	} else if (strcmp(args[1], "about") == 0) {
-		print("Usage:\tabout\nShows some info about yosh. Very usefull.\n");
+		stdio << "Usage:\tabout\nShows some info about yosh. Very usefull.\n";
 	} else if (strcmp(args[1], "help") == 0) {
-		print("Usage:\thelp\n\thelp <command>\n");
-		print("Shows some info about the command you want, or commands in general.\n");
+		stdio << "Usage:\thelp\n\thelp <command>\n"
+			<< "Shows some info about the command you want, or commands in general.\n";
 	} else if (strcmp(args[1], "exit") == 0) {
-		print("Usage:\texit\n");
-		print("Exits the shell.\nWill probably make your system panic if you only have a shell running.\n");
+		stdio << "Usage:\texit\n"
+			<< "Exits the shell.\nWill probably make your system panic if you only have a shell running.\n";
 	} else if (strcmp(args[1], "cd") == 0) {
-		print("Usage:\tcd <location>\nGoes to the location specified.\n");
+		stdio << "Usage:\tcd <location>\nGoes to the location specified.\n";
 	} else if (strcmp(args[1], "ls") == 0) {
-		print("Usage:\tls\n\tls <location>...\nShows the content of the current/specified directory.\n");
+		stdio << "Usage:\tls\n\tls <location>...\nShows the content of the current/specified directory.\n";
 	} else if (strcmp(args[1], "goto") == 0) {
-		print("Usage:\tgoto <vt name>\nSwitchs focus to specified virtual terminal.\n");
-		print("Type `ls /.ui` to see available terminals.\n");
+		stdio << "Usage:\tgoto <vt name>\nSwitchs focus to specified virtual terminal.\n"
+			<< "Type `ls /.ui` to see available terminals.\n";
 	} else {
-		printf("No such command: %s\n", args[1]);
+		stdio.printf("No such command: %s\n", args[1]);
 	}
 }
 
@@ -133,7 +136,7 @@ void cd(char **args) {
 		print("No such file or directory.\n");
 		free(newcwd);
 	} else if (i < 0) {
-		printf("Error stating: %i\n", i);
+		stdio.printf("Error stating: %i\n", i);
 		free(newcwd);
 	} else if ((info.type & FT_DIR) == 0) {
 		print("Not a directory.\n");
@@ -141,7 +144,7 @@ void cd(char **args) {
 	} else {
 		FILE nf = open(newcwd, 0);
 		if (nf < 0) {
-			printf("Error opening: %i\n", nf);
+			stdio.printf("Error opening: %i\n", nf);
 			free(newcwd);
 		} else {
 			free(cwd);
@@ -161,7 +164,7 @@ void ls_dir(FILE f) {
 
 		if (strcmp(buf, ".") == 0 || strcmp(buf, "..") == 0) continue;
 
-		printf("  %s", buf);
+		stdio.printf("  %s", buf);
 
 		stat_relative(f, buf, &info);
 		if (info.type & FT_DIR) print("/");
@@ -175,9 +178,9 @@ void ls_dir(FILE f) {
 
 		print("\t");
 		if (info.type & FT_TERMINAL) {
-			printf("%ix%i", info.size >> 16, info.size & 0xFFFF);
+			stdio.printf("%ix%i", info.size >> 16, info.size & 0xFFFF);
 		} else if ((info.type & FT_DEV) == 0) {
-			printf("%i", info.size);
+			stdio.printf("%i", info.size);
 		}
 
 		print("\n");
@@ -190,20 +193,20 @@ void ls(char **args) {
 	} else {
 		int i;
 		for (i = 1; args[i] != 0; i++) {
-			printf("Contents of %s :\n", args[i]);
+			stdio.printf("Contents of %s :\n", args[i]);
 			char* d = path_cat(cwd, args[i], 1);
 			file_info info;
 			int e = stat(d, &info);
 			if (e == E_NOT_FOUND) {
 				print("  No such file or directory\n");
 			} else if (e < 0) {
-				printf("  Error stating: %i\n", e);
+				stdio.printf("  Error stating: %i\n", e);
 			} else if ((info.type & FT_DIR) == 0) {
-				printf("  Not a directory.\n");
+				stdio.printf("  Not a directory.\n");
 			} else {
 				FILE ff = open(d, 0);
 				if (ff < 0) {
-					printf("  Error opening: %i\n", ff);
+					stdio.printf("  Error opening: %i\n", ff);
 				} else {
 					ls_dir(ff);
 					close(ff);
@@ -221,11 +224,11 @@ void cat(char **args) {
 		file_info info;
 		int e = stat(d, &info);
 		if (e == E_NOT_FOUND) {
-			printf("No such file: %s\n", d);
+			stdio.printf("No such file: %s\n", d);
 		} else if (e < 0) {
-			printf("Error stating %s : %i\n", d, e);
+			stdio.printf("Error stating %s : %i\n", d, e);
 		} else if ((info.type & FT_FILE) == 0) {
-			printf("Not a file: %s\n", d);
+			stdio.printf("Not a file: %s\n", d);
 		} else {
 			FILE ff = open(d, 0);
 			char* buff = (char*)malloc(info.size);
@@ -247,11 +250,11 @@ void t_goto(char** args) {
 	if ((i = link(p, "/.dev/vgatxt", LM_OUTPUT_TO)) == 0) {
 		link("/.dev/ps2kbd", p, LM_OUTPUT_TO);
 	} else {
-		printf("Error %i\n", i);
+		stdio.printf("Error %i\n", i);
 	}
 }
 
-int main(char **sh_args) {
+int Main(char **sh_args) {
 	about();
 
 	cwd = strdup("/");
@@ -261,13 +264,17 @@ int main(char **sh_args) {
 
 	int bg_pr[128], bg_pr_c = 0;
 
-	readline_history h; h.str = 0; h.max = 4;
+	Term *term = stdio.term;
+	if (term == 0) {
+		stdio << "Error: no terminal...\n";
+		return -1;
+	}
 
 	while (1) {
-		printf("\x1b[33m %s  \x1b[1m", cwd);
+		stdio.printf("\x1b[33m %s  \x1b[1m", cwd);
 
-		char *s = readline(term, &h);
-		printf("\x1b[0m");
+		char *s = term->readline();
+		stdio.printf("\x1b[0m");
 		if (s == 0) return -1;
 		if (*s == 0) continue;
 
@@ -301,17 +308,17 @@ int main(char **sh_args) {
 		} else if (strcmp(c_args[0], "cat") == 0) {
 			cat(c_args);
 		} else {
-			FILE vt = term;
+			FILE vt = term->fd;
 			char *t = 0;
 			if (strcmp(c_args[0], "on") == 0) {
 				if (c_args[1] == 0 || c_args[2] == 0) {
-					printf("Usage:\ton <vt> <command>\n");
+					stdio.printf("Usage:\ton <vt> <command>\n");
 					continue;
 				}
 				t = path_cat("/.ui/", c_args[1], 0);
 				vt = open(t, 0);
-				if (vt < 0 || vt == term) {
-					printf("Error: cannot open terminal %s (%i)\n", t, vt);
+				if (vt < 0 || vt == term->fd) {
+					stdio.printf("Error: cannot open terminal %s (%i)\n", t, vt);
 					free(t);
 					continue;
 				}
@@ -332,16 +339,16 @@ int main(char **sh_args) {
 			int pid = run(c, c_args + 1, vt);
 			if (pid <= 0) {
 				if (pid == E_NOT_FOUND) {
-					printf("Error: no such file %s\n", c);
+					stdio.printf("Error: no such file %s\n", c);
 				} else {
-					printf("Error %i\n", pid);
+					stdio.printf("Error %i\n", pid);
 				}
 			} else {
-				if (vt == term) {
+				if (vt == term->fd) {
 					int ret = waitpid(pid, 1);
-					printf(" -> child (pid %i) exited with status %i\n", pid, ret);
+					stdio.printf("(yosh) child (pid %i) exited with status %i\n", pid, ret);
 				} else {
-					printf(" -> running on terminal %s, pid:%i\n", t, pid);
+					stdio.printf("(yosh) running on terminal %s, pid:%i\n", t, pid);
 					bg_pr[bg_pr_c++] = pid;
 					free(t);
 				}
@@ -355,7 +362,7 @@ int main(char **sh_args) {
 		while (i < bg_pr_c) {
 			int ret = waitpid(bg_pr[i], 0);
 			if (ret != E_NOT_FINISHED) {
-				printf(" -> child (pid %i) exited with status %i\n", bg_pr[i], ret);
+				stdio.printf("(yosh) child (pid %i) exited with status %i\n", bg_pr[i], ret);
 				bg_pr_c--;
 				bg_pr[i] = bg_pr[bg_pr_c];
 			} else {
diff --git a/src/user/app_common.make b/src/user/app_common.make
deleted file mode 100644
index f2f0c46..0000000
--- a/src/user/app_common.make
+++ /dev/null
@@ -1,6 +0,0 @@
-ExtObj = $(SrcPath)/user/lib/_user.o
-
-include $(SrcPath)/common.make
-
-CFLAGS += -I $(SrcPath)/include -I $(SrcPath)/user/lib/include
-LDFLAGS += -T $(SrcPath)/user/link.ld 
diff --git a/src/user/init/Makefile b/src/user/init/Makefile
deleted file mode 100644
index 286de06..0000000
--- a/src/user/init/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-Obj = main.o
-Out = init.elf
-
-include $(SrcPath)/user/app_common.make
-
-LDFLAGS += -Map test.map
diff --git a/src/user/init/main.c b/src/user/init/main.c
deleted file mode 100644
index 7300efe..0000000
--- a/src/user/init/main.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include <tce/syscall.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-int main(char** args) {
-	int i;
-
-	FILE home_term = open("/.ui/home", 0);
-	if (home_term < 0) return -1;
-
-	print("(init) Trivial/Computing Environment says hello. Press super to go home.\n");
-
-	for (i = 0; args[i] != 0; i++) {
-		if (i == 0) continue;
-		printf("(init) Spawning %s...\n", args[i]);
-		int pid = run(args[i], 0, home_term);
-		if (pid < 0) {
-			print("(init) Error. Sorry.\n");
-		} else {
-			waitpid(pid, 1);
-		}
-	}
-	print("(init) Goodbye.\n");
-}
diff --git a/src/user/lib/fwik/Makefile b/src/user/lib/fwik/Makefile
new file mode 100644
index 0000000..cf8896a
--- /dev/null
+++ b/src/user/lib/fwik/Makefile
@@ -0,0 +1,11 @@
+Out = _fwik.o
+Obj = String.o io/Node.o io/Term.o io/IOStream.o main.o
+
+ExtObj = $(SrcPath)/user/lib/libc/_libc.o
+
+include $(SrcPath)/common.make
+
+CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/libc/include -I$(SrcPath)/user/lib/fwik/include
+
+LDFLAGS += -r
+
diff --git a/src/user/lib/fwik/String.cpp b/src/user/lib/fwik/String.cpp
new file mode 100644
index 0000000..75114c2
--- /dev/null
+++ b/src/user/lib/fwik/String.cpp
@@ -0,0 +1 @@
+#include <String.h>
diff --git a/src/user/lib/fwik/include/IO/IOStream.h b/src/user/lib/fwik/include/IO/IOStream.h
new file mode 100644
index 0000000..e9ae246
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/IOStream.h
@@ -0,0 +1,33 @@
+#ifndef DEF_FWIK_IO_IOSTREAM_H
+#define DEF_FWIK_IO_IOSTREAM_H
+
+#include "Term.h"
+
+class IOStream {
+	public:
+	Term *term;
+
+	IOStream() : term(0) {}
+	IOStream(Term *t) : term(t) {}
+
+	void print(char* str);
+	void printf(char* fmt, ...);
+	char* readln();
+
+	IOStream &operator<<(char* s) {
+		print(s);
+		return *this;
+	}
+	IOStream &operator<<(int i) {
+		printf("%d", i);
+		return *this;
+	}
+	IOStream &operator<<(void* p) {
+		printf("%p", p);
+		return *this;
+	}
+};
+
+extern IOStream stdio;
+
+#endif
diff --git a/src/user/lib/fwik/include/IO/Node.h b/src/user/lib/fwik/include/IO/Node.h
new file mode 100644
index 0000000..6100fc9
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/Node.h
@@ -0,0 +1,25 @@
+#ifndef DEF_FWIK_IO_NODE_H
+#define DEF_FWIK_IO_NODE_H
+
+#include <tce/syscall.h>
+#include <tce/vfs.h>
+#include <stdio.h>
+#include <cpp.h>
+
+class Term;
+class Node {
+	public:
+	FILE fd;
+	file_info info;
+	bool valid;
+
+	Node(FILE f);
+	Node(char* filename, int mode);
+	virtual ~Node() {}
+
+	void close();
+
+	virtual Term* as_term() { return 0; }
+};
+
+#endif
diff --git a/src/user/lib/fwik/include/IO/Term.h b/src/user/lib/fwik/include/IO/Term.h
new file mode 100644
index 0000000..cf90789
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/Term.h
@@ -0,0 +1,32 @@
+#ifndef DEF_FWIK_IO_TERM_H
+#define DEF_FWIK_IO_TERM_H
+
+#include <stdio.h>
+#include "Node.h"
+
+#include <readline.h>
+
+class Term : public Node {
+	int w, h;
+
+	readline_history hist;
+	
+	void _init();
+
+	public:
+	Term(FILE f);
+	Term(char* filename, int mode);
+	Term(const Node &n);
+	virtual ~Term();
+
+	virtual void print(char *s);
+	virtual void printf(char* fmt, ...);
+	virtual void vprintf(char* fmt, va_list ap);
+	virtual char* readln();
+	char* readline();
+
+	virtual Term* as_term() { return this; }
+};
+
+#endif
+
diff --git a/src/user/lib/fwik/include/String.h b/src/user/lib/fwik/include/String.h
new file mode 100644
index 0000000..2a44046
--- /dev/null
+++ b/src/user/lib/fwik/include/String.h
@@ -0,0 +1,5 @@
+#ifndef DEF_FWIK_STRING_H
+#define DEF_FWIK_STRING_H
+
+
+#endif
diff --git a/src/user/lib/fwik/include/cpp.h b/src/user/lib/fwik/include/cpp.h
new file mode 100644
index 0000000..5b66ba1
--- /dev/null
+++ b/src/user/lib/fwik/include/cpp.h
@@ -0,0 +1,16 @@
+#ifndef DEF_FWIK_CPPSUPPORT_H
+#define DEF_FWIK_CPPSUPPORT_H
+
+#include <stdlib.h>
+
+inline void* operator new(size_t, void* p)   throw() { return p; }
+inline void* operator new[](size_t, void* p) throw() { return p; }
+inline void  operator delete  (void*, void*) throw() { };
+inline void  operator delete[](void*, void*) throw() { };
+
+inline void* operator new (size_t size) { return malloc(size); }
+inline void* operator new[] (size_t size) { return malloc(size); }
+inline void operator delete (void* ptr) { return free(ptr); }
+inline void operator delete[] (void* ptr) { return free(ptr); }
+
+#endif
diff --git a/src/user/lib/fwik/io/IOStream.cpp b/src/user/lib/fwik/io/IOStream.cpp
new file mode 100644
index 0000000..bcaa581
--- /dev/null
+++ b/src/user/lib/fwik/io/IOStream.cpp
@@ -0,0 +1,19 @@
+#include <IO/IOStream.h>
+
+void IOStream::print(char* str) {
+	if (term == 0) return;
+	term->print(str);
+}
+
+void IOStream::printf(char* fmt, ...) {
+	if (term == 0) return;
+	va_list ap;
+	va_start(ap, fmt);
+	term->vprintf(fmt, ap);
+	va_end(ap);
+}
+
+char* IOStream::readln() {
+	if (term == 0) return 0;
+	return term->readln();
+}
diff --git a/src/user/lib/fwik/io/Node.cpp b/src/user/lib/fwik/io/Node.cpp
new file mode 100644
index 0000000..1d8b7f5
--- /dev/null
+++ b/src/user/lib/fwik/io/Node.cpp
@@ -0,0 +1,23 @@
+#include <IO/Node.h>
+
+Node::Node(FILE f) {
+	fd = f;
+	int i = libc::statf(f, &info);
+	valid = (i == 0);
+}
+
+Node::Node(char* filename, int mode) {
+	fd = libc::open(filename, mode);
+	if (fd < 0) {
+		valid = false;
+	} else {
+		int i = libc::statf(fd, &info);
+		valid = (i == 0);
+		if (!valid) libc::close(fd);
+	}
+}
+
+void Node::close() {
+	if (valid) libc::close(fd);
+	valid = false;
+}
diff --git a/src/user/lib/fwik/io/Term.cpp b/src/user/lib/fwik/io/Term.cpp
new file mode 100644
index 0000000..1c6db66
--- /dev/null
+++ b/src/user/lib/fwik/io/Term.cpp
@@ -0,0 +1,51 @@
+#include <IO/Term.h>
+
+Term::Term(const Node &n) : Node(n) {
+	_init();
+}
+
+Term::Term(FILE f) : Node(f) {
+	_init();
+}
+
+Term::Term(char* filename, int mode) : Node(filename, mode) {
+	_init();
+}
+
+void Term::_init() {
+	if (info.type & FT_TERMINAL) {
+		w = info.size >> 16;
+		h = info.size & 0xFFFF;
+	} else {
+		valid = false;
+	}
+	hist.str = 0;
+	hist.max = 12;
+}
+
+Term::~Term() {
+	//TODO : free readline history
+}
+
+void Term::print(char *s) {
+	libc::fprint(fd, s);
+}
+
+void Term::printf(char* fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	libc::vfprintf(fd, fmt, ap);
+	va_end(ap);
+}
+
+void Term::vprintf(char* fmt, va_list ap) {
+	libc::vfprintf(fd, fmt, ap);
+}
+
+char* Term::readln() {
+	return libc::freadln(fd);
+}
+
+char *Term::readline() {
+	return libc::freadline(fd, &hist);
+}
diff --git a/src/user/lib/fwik/main.cpp b/src/user/lib/fwik/main.cpp
new file mode 100644
index 0000000..8e2e289
--- /dev/null
+++ b/src/user/lib/fwik/main.cpp
@@ -0,0 +1,30 @@
+#include <IO/IOStream.h>
+#include <stdio.h>
+#include <cpp.h>
+
+IOStream stdio;
+
+int Main(char **args);	// FWIK app main
+
+extern "C" int main(char **args) {
+	stdio.term = 0;
+
+	Node zero(libc::term);
+	if (zero.info.type & FT_TERMINAL) {
+		stdio.term = new Term(zero);
+	}
+	Main(args);
+}
+
+
+// C++ support
+
+//Enables pure virtual functions
+extern "C" void __cxa_pure_virtual() {
+	//do nothing
+}
+//Enables global objects
+void *__dso_handle;
+extern "C" int __cxa_atexit(void (*f)(void*), void *p, void *d) { return 0; }
+
+
diff --git a/src/user/lib/Makefile b/src/user/lib/libc/Makefile
index c2630c4..14a5421 100644
--- a/src/user/lib/Makefile
+++ b/src/user/lib/libc/Makefile
@@ -1,11 +1,11 @@
-Out = _user.o
+Out = _libc.o
 Obj = tce/syscall.o std/_dlmalloc.o \
 	  std/stdio.o std/stdlib.o std/string.o std/sched.o std/readline.o \
 	  start.o
 
 include $(SrcPath)/common.make
 
-CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/include
+CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/libc/include -Wno-error=unused-variable
 
 LDFLAGS += -r
 
diff --git a/src/user/lib/include/_dlmalloc.h b/src/user/lib/libc/include/_dlmalloc.h
index d896e22..d896e22 100644
--- a/src/user/lib/include/_dlmalloc.h
+++ b/src/user/lib/libc/include/_dlmalloc.h
diff --git a/src/user/lib/include/readline.h b/src/user/lib/libc/include/readline.h
index 53193d7..910ad9a 100644
--- a/src/user/lib/include/readline.h
+++ b/src/user/lib/libc/include/readline.h
@@ -3,14 +3,21 @@
 
 #include <stdio.h>
 
-char* freadln(FILE f);		// minimal line-reading function. user must free the returned value.
 
 typedef struct _rdln_hist {
 	int max;
 	int n;
 	char **str;
 } readline_history;
-char* readline(FILE f, readline_history *h);
+
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+char* freadln(FILE f);		// minimal line-reading function. user must free the returned value.
+char* freadline(FILE f, readline_history *h);
+#ifdef __cplusplus
+} }
+#endif
 
 #endif
 
diff --git a/src/user/lib/include/sched.h b/src/user/lib/libc/include/sched.h
index 1fe148d..451a114 100644
--- a/src/user/lib/include/sched.h
+++ b/src/user/lib/libc/include/sched.h
@@ -10,7 +10,7 @@
 typedef uint32_t mutex_t;
 
 #ifdef __cplusplus
-extern "C" {
+extern "C" { namespace libc {
 #endif
 
 int mutex_lock(mutex_t* mutex);	//wait for mutex to be free
@@ -18,7 +18,7 @@ int mutex_lockE(mutex_t* mutex);	//lock mutex only if free, returns !0 if locked
 void mutex_unlock(mutex_t* mutex);
 
 #ifdef __cplusplus
-}
+} }
 #endif
 
 #endif
diff --git a/src/user/lib/include/stdarg.h b/src/user/lib/libc/include/stdarg.h
index 5cd74ff..5cd74ff 100644
--- a/src/user/lib/include/stdarg.h
+++ b/src/user/lib/libc/include/stdarg.h
diff --git a/src/user/lib/include/stdio.h b/src/user/lib/libc/include/stdio.h
index 099746e..d93ebf0 100644
--- a/src/user/lib/include/stdio.h
+++ b/src/user/lib/libc/include/stdio.h
@@ -4,6 +4,10 @@
 #include <stdarg.h>
 #include <tce/syscall.h>
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 extern FILE term;
 
 void print(char *s);
@@ -17,5 +21,9 @@ void fprintf(FILE f, char *s, ...);
 
 void vfprintf(FILE f, char *s, va_list arg);
 
+#ifdef __cplusplus
+} }
+#endif
+
 
 #endif
diff --git a/src/user/lib/include/stdlib.h b/src/user/lib/libc/include/stdlib.h
index 594f5c5..1cc5d16 100644
--- a/src/user/lib/include/stdlib.h
+++ b/src/user/lib/libc/include/stdlib.h
@@ -4,8 +4,15 @@
 #include <types.h>
 #include <tce/syscall.h>
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 void abort();
 extern volatile int errno;
+#ifdef __cplusplus
+} }
+#endif
 
 #include <_dlmalloc.h>
 
diff --git a/src/user/lib/include/string.h b/src/user/lib/libc/include/string.h
index 87d8da2..fbe3ade 100644
--- a/src/user/lib/include/string.h
+++ b/src/user/lib/libc/include/string.h
@@ -4,7 +4,7 @@
 #include <types.h>
 
 #ifdef __cplusplus
-extern "C" {
+extern "C" { namespace libc {
 #endif
 
 void *memcpy(void *dest, const void *src, int count);
@@ -19,7 +19,7 @@ char *strcat(char *dest, const char *src);
 int strcmp(const char *s1, const char *s2);
 
 #ifdef __cplusplus
-}
+} }
 #endif
 
 
diff --git a/src/user/lib/include/tce/syscall.h b/src/user/lib/libc/include/tce/syscall.h
index c182f40..6ad37f1 100644
--- a/src/user/lib/include/tce/syscall.h
+++ b/src/user/lib/libc/include/tce/syscall.h
@@ -7,6 +7,10 @@
 
 #define NEW_STACK_SIZE 0x8000
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 void thread_exit();
 void schedule();
 void thread_sleep(int time);
@@ -16,7 +20,7 @@ void thread_new(void (*entry)(void*), void *data);
 void irq_wait(int number);
 int proc_priv();
 
-void* sbrk(size_t size);
+void* sbrk(ptrdiff_t size);
 void brk(void* ptr);
 
 int run(char* file, char** args, FILE zero_fd);
@@ -32,4 +36,8 @@ int read(FILE file, size_t offset, size_t len, char *buffer);
 int write(FILE file, size_t offset, size_t len, char *buffer);
 int link(char* from, char* to, int mode);
 
+#ifdef __cplusplus
+} }
+#endif
+
 #endif
diff --git a/src/user/lib/start.c b/src/user/lib/libc/start.c
index 2521f97..2521f97 100644
--- a/src/user/lib/start.c
+++ b/src/user/lib/libc/start.c
diff --git a/src/user/lib/std/_dlmalloc.c b/src/user/lib/libc/std/_dlmalloc.c
index aae76f8..aae76f8 100644
--- a/src/user/lib/std/_dlmalloc.c
+++ b/src/user/lib/libc/std/_dlmalloc.c
diff --git a/src/user/lib/std/readline.c b/src/user/lib/libc/std/readline.c
index a3beefa..c2237b6 100644
--- a/src/user/lib/std/readline.c
+++ b/src/user/lib/libc/std/readline.c
@@ -38,7 +38,7 @@ char* freadln(FILE f) {
 
 // ** READLINE
 
-char *readline(FILE f, readline_history *h) {
+char *freadline(FILE f, readline_history *h) {
 	int i;
 	fprint(f, "\x1b[h");	// disable keyboard echo
 
diff --git a/src/user/lib/std/sched.c b/src/user/lib/libc/std/sched.c
index 29ea8a8..84e9c3a 100644
--- a/src/user/lib/std/sched.c
+++ b/src/user/lib/libc/std/sched.c
@@ -1,4 +1,5 @@
 #include <sched.h>
+#include <tce/syscall.h>
 
 /*	Internal use only. This function is atomic, meaning it cannot be interrupted by a system task switch. */
 static uint32_t atomic_exchange(uint32_t* ptr, uint32_t newval) {
diff --git a/src/user/lib/std/stdio.c b/src/user/lib/libc/std/stdio.c
index b1778d6..3595622 100644
--- a/src/user/lib/std/stdio.c
+++ b/src/user/lib/libc/std/stdio.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <tce/syscall.h>
+#include <readline.h>
 
 FILE term = 0;
 void print(char *s) { fprint(term, s); }
diff --git a/src/user/lib/std/stdlib.c b/src/user/lib/libc/std/stdlib.c
index 9d46b5c..9d46b5c 100644
--- a/src/user/lib/std/stdlib.c
+++ b/src/user/lib/libc/std/stdlib.c
diff --git a/src/user/lib/std/string.c b/src/user/lib/libc/std/string.c
index 21dbd03..5a41b7e 100644
--- a/src/user/lib/std/string.c
+++ b/src/user/lib/libc/std/string.c
@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdlib.h>
 
 int strlen(const char *str) {
 	int i = 0;
diff --git a/src/user/lib/tce/syscall.c b/src/user/lib/libc/tce/syscall.c
index 4304840..80e0e0e 100644
--- a/src/user/lib/tce/syscall.c
+++ b/src/user/lib/libc/tce/syscall.c
@@ -65,12 +65,12 @@ int proc_priv() {
 
 // ******** memory
 
-void* sbrk(size_t s) {
+void* sbrk(ptrdiff_t s) {
 	return (void*)call(SC_SBRK, s, 0, 0, 0, 0);
 }
 
 void brk(void* ptr) {
-	return call (SC_BRK, ptr, 0, 0, 0, 0);
+	call (SC_BRK, (size_t)ptr, 0, 0, 0, 0);
 }
 
 // ********** proc
diff --git a/src/user/yosh/Makefile b/src/user/yosh/Makefile
deleted file mode 100644
index 9879a73..0000000
--- a/src/user/yosh/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-Obj = main.o
-Out = yosh.elf
-
-include $(SrcPath)/user/app_common.make
-
-LDFLAGS += -Map test.map