Ports: Add ncurses and vim port!

vim is kind of buggy because my virtual tty {insert,delete} line ansi
codes don't really work.

ports/.gitignore

@@ -1 +1,3 @@
-installed
+*/*
+!*/patches/
+!*/build.sh

ports/build.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-
-cd $(dirname $(realpath $0))
-
-if [ ! -f installed ]; then
-	exit 0
-fi
-
-while read port; do
-	${port}/build.sh
-done < installed

ports/curl/.gitignore

@@ -1 +0,0 @@
-curl-*

ports/curl/build.sh

@@ -1,58 +1,11 @@
-#!/bin/sh
+#!/bin/bash ../install.sh
 
-if [ -z $BANAN_ARCH ]; then
+NAME='curl'
-	echo  "You must set the BANAN_ARCH environment variable" >&2
+VERSION='8.8.0'
-	exit 1
+DOWNLOAD_URL="https://curl.se/download/curl-$VERSION.tar.gz#77c0e1cd35ab5b45b659645a93b46d660224d0024f1185e8a95cdb27ae3d787d"
-fi
+CONFIGURE_OPTIONS=(
-
+	'--without-ssl'
-if [ -z $BANAN_SYSROOT ]; then
+	'--disable-threaded-resolver'
-	echo  "You must set the BANAN_ARCH environment variable" >&2
+	'--disable-ipv6'
-	exit 1
+	'--disable-docs'
-fi
+)
-
-if [ -z $BANAN_TOOLCHAIN_PREFIX ]; then
-	echo  "You must set the BANAN_TOOLCHAIN_PREFIX environment variable" >&2
-	exit 1
-fi
-
-CURL_VERSION="curl-8.8.0"
-CURL_TAR="$CURL_VERSION.tar.gz"
-CURL_URL="https://curl.se/download/$CURL_TAR"
-
-cd $(dirname $(realpath $0))
-
-if [ ! -d $CURL_VERSION ]; then
-	if [ ! -f $CURL_TAR ]; then
-		wget $CURL_URL
-	fi
-	tar xf $CURL_TAR
-
-	for patch in ./patches/*; do
-		patch -ruN -d $CURL_VERSION < "$patch"
-	done
-
-	grep -qxF curl ../installed || echo curl >> ../installed
-fi
-
-cd $CURL_VERSION
-
-export PATH="$BANAN_TOOLCHAIN_PREFIX/bin:$PATH"
-
-if [ ! -d "build-${BANAN_ARCH}" ]; then
-	mkdir -p "build-${BANAN_ARCH}"
-	cd "build-${BANAN_ARCH}"
-
-	../configure                    \
-		--host=x86_64-banan_os      \
-		--prefix=$BANAN_SYSROOT/usr \
-		--without-ssl               \
-		--disable-threaded-resolver \
-		--disable-ipv6              \
-		--disable-docs
-
-	cd ..
-fi
-
-cd "build-${BANAN_ARCH}"
-
-make -j $(nproc) && make install

ports/doom/.gitignore

@@ -1,2 +0,0 @@
-doomgeneric/
-doom1.wad

ports/doom/README.md

@@ -1 +0,0 @@
-This is a port of doomgeneric. You will need doom wad to play. Copy the wad file into sysroot and use the -iwad argument to specify wad location.

ports/doom/build.sh

@@ -1,33 +1,17 @@
-#!/bin/sh
+#!/bin/bash ../install.sh
 
-if [ -z $BANAN_ARCH ]; then
+NAME='doom'
-	echo  "You must set the BANAN_ARCH environment variable" >&2
+VERSION='git'
-	exit 1
+DOWNLOAD_URL="https://github.com/ozkl/doomgeneric.git#613f870b6fa83ede448a247de5a2571092fa729d"
-fi
 
-if [ -z $BANAN_SYSROOT ]; then
+build() {
-	echo  "You must set the BANAN_ARCH environment variable" >&2
+	if [ ! -f doom1.wad ]; then
-	exit 1
+		wget https://distro.ibiblio.org/slitaz/sources/packages/d/doom1.wad || exit 1
-fi
+	fi
+	make --directory doomgeneric --file Makefile.banan_os -j$(nproc) || exit 1
+}
 
-cd $(dirname $(realpath $0))
+install() {
-
+	cp doomgeneric/build/doom "${BANAN_SYSROOT}/bin/" || exit 1
-if [ ! -d "doomgeneric" ]; then
+	cp ./doom1.wad "$BANAN_SYSROOT/home/user/" || exit 1
-	git clone https://github.com/ozkl/doomgeneric.git
+}
-	cd doomgeneric
-	git checkout 613f870b6fa83ede448a247de5a2571092fa729d
-	for patch in ../patches/*; do
-		git am "$patch"
-	done
-	cd ..
-
-	grep -qxF doom ../installed || echo doom >> ../installed
-fi
-
-if [ ! -f doom1.wad ]; then
-	wget https://distro.ibiblio.org/slitaz/sources/packages/d/doom1.wad
-fi
-
-make --directory doomgeneric/doomgeneric --file Makefile.banan_os -j $(nproc)
-cp "doomgeneric/doomgeneric/build-${BANAN_ARCH}/doomgeneric" "${BANAN_SYSROOT}/bin/doom"
-cp doom1.wad $BANAN_SYSROOT/home/user/

ports/doom/patches/0001-Add-support-for-banan-os.patch

@@ -29,16 +29,16 @@ index 0000000..0878148
 +	VB=@
 +endif
 +
-+CC=$(BANAN_TOOLCHAIN_PREFIX)/bin/$(BANAN_ARCH)-banan_os-gcc
++CC=$(BANAN_ARCH)-banan_os-gcc
-+CXX=$(BANAN_TOOLCHAIN_PREFIX)/bin/$(BANAN_ARCH)-banan_os-g++
++CXX=$(BANAN_ARCH)-banan_os-g++
 +CFLAGS+=-O3 -Wall -DNORMALUNIX -DLINUX -DSNDSERV -D_DEFAULT_SOURCE
 +CXXFLAGS+=$(CFLAGS) --std=c++20
 +LDFLAGS+=
 +LIBS+=-lgui -linput -lstdc++
 +
 +# subdirectory for objects
-+OBJDIR=build-$(BANAN_ARCH)
++OBJDIR=build
-+OUTPUT=$(OBJDIR)/doomgeneric
++OUTPUT=$(OBJDIR)/doom
 +
 +SRC_DOOM = dummy.o am_map.o doomdef.o doomstat.o dstrings.o d_event.o d_items.o d_iwad.o d_loop.o d_main.o d_mode.o d_net.o f_finale.o f_wipe.o g_game.o hu_lib.o hu_stuff.o info.o i_cdmus.o i_endoom.o i_joystick.o i_scale.o i_sound.o i_system.o i_timer.o memio.o m_argv.o m_bbox.o m_cheat.o m_config.o m_controls.o m_fixed.o m_menu.o m_misc.o m_random.o p_ceilng.o p_doors.o p_enemy.o p_floor.o p_inter.o p_lights.o p_map.o p_maputl.o p_mobj.o p_plats.o p_pspr.o p_saveg.o p_setup.o p_sight.o p_spec.o p_switch.o p_telept.o p_tick.o p_user.o r_bsp.o r_data.o r_draw.o r_main.o r_plane.o r_segs.o r_sky.o r_things.o sha1.o sounds.o statdump.o st_lib.o st_stuff.o s_sound.o tables.o v_video.o wi_stuff.o w_checksum.o w_file.o w_main.o w_wad.o z_zone.o w_file_stdc.o i_input.o i_video.o doomgeneric.o doomgeneric_banan_os.o
 +OBJS += $(addprefix $(OBJDIR)/, $(SRC_DOOM))

ports/install.sh

@@ -0,0 +1,137 @@
+#!/bin/bash
+
+if (( $# != 1 )); then
+	echo "No arguments given for $0" >&2
+	exit 1
+fi
+
+BANAN_ROOT_DIR="$(dirname $(realpath $0))/.."
+source "$BANAN_ROOT_DIR/script/config.sh"
+export PATH="$BANAN_TOOLCHAIN_PREFIX/bin:$PATH"
+
+if [ ! -f "$BANAN_SYSROOT/usr/lib/libc.a" ]; then
+	pushd "$BANAN_ROOT_DIR" >/dev/null
+	./bos libc || exit 1
+	./bos install || exit 1
+	popd >/dev/null
+fi
+
+clean() {
+	find . -mindepth 1 -maxdepth 1 -not -name 'patches' -not -name 'build.sh' -exec rm -rf {} +
+}
+
+build() {
+	configure_options=("--host=$BANAN_ARCH-banan_os" "--prefix=/usr" )
+	configure_options+=(${CONFIGURE_OPTIONS[*]})
+
+	./configure ${configure_options[*]} || exit 1
+	make -j$(nproc) || exit 1
+}
+
+install() {
+	make install "DESTDIR=$BANAN_SYSROOT" || exit 1
+}
+
+source $1
+
+if [ -z $NAME ] || [ -z $VERSION ] || [ -z $DOWNLOAD_URL ]; then
+	echo  "Port does not set needed environment variables" >&2
+	exit 1
+fi
+
+for dependency in "${DEPENDENCIES[@]}"; do
+	pushd "../$dependency" >/dev/null
+	pwd
+	if ! ./build.sh; then
+		echo "Failed to install dependency '$dependency' of port '$NAME'"
+		exit 1
+	fi
+	popd >/dev/null
+done
+
+build_dir="$NAME-$VERSION-$BANAN_ARCH"
+
+if [ "$VERSION" = "git" ]; then
+	regex="(.*/.*\.git)#(.*)"
+
+	if [[ $DOWNLOAD_URL =~ $regex ]]; then
+		REPO_URL="${BASH_REMATCH[1]}"
+		COMMIT="${BASH_REMATCH[2]}"
+
+		if [ -d "$build_dir" ]; then
+			pushd $build_dir >/dev/null
+			if [ ! "$(git rev-parse HEAD)" = "$COMMIT" ]; then
+				clean
+			fi
+			popd >/dev/null
+		fi
+
+		if [ ! -d "$build_dir" ]; then
+			git clone "$REPO_URL" "$build_dir" || exit 1
+
+			pushd "$build_dir" >/dev/null
+			git checkout "$COMMIT" || exit 1
+			if [ -d patches ]; then
+				for patch in ../patches/*; do
+					git apply "$patch" || exit 1
+				done
+			fi
+			popd >/dev/null
+		fi
+	else
+		echo "Invalid format in DOWNLOAD_URL" >&2
+		exit 1
+	fi
+else
+	regex=".*/(.*\.tar\..*)#(.*)"
+	if [[ $DOWNLOAD_URL =~ $regex ]]; then
+		TAR_NAME="${BASH_REMATCH[1]}"
+		TAR_HASH="${BASH_REMATCH[2]}"
+
+		if [ -f "$TAR_NAME" ]; then
+			if ! echo "$TAR_HASH $TAR_NAME" | sha256sum --check >/dev/null; then
+				clean
+			fi
+		fi
+
+		if [ ! -f "$TAR_NAME" ]; then
+			wget "$DOWNLOAD_URL" || exit 1
+		fi
+
+		if ! echo "$TAR_HASH $TAR_NAME" | sha256sum --check >/dev/null; then
+			echo "Tar hash does not match" >&2
+			exit 1
+		fi
+
+		if [ ! -d "$build_dir" ]; then
+			tar xf "$TAR_NAME" || exit 1
+
+			: "${TAR_CONTENT:=$NAME-$VERSION}"
+			mv "$TAR_CONTENT" "$build_dir" || exit 1
+
+			if [ -d patches ]; then
+				for patch in ./patches/*; do
+					patch -ruN -d "$build_dir" < "$patch" || exit 1
+				done
+			fi
+		fi
+	else
+		echo "Invalid format in DOWNLOAD_URL" >&2
+		exit 1
+	fi
+fi
+
+needs_compile=1
+if [ -f ".compile_hash-$BANAN_ARCH" ]; then
+	cat ".compile_hash-$BANAN_ARCH" | sha256sum --check >/dev/null
+	needs_compile=$?
+fi
+
+cd "$build_dir"
+
+if (( $needs_compile )); then
+	build
+	sha256sum "$BANAN_SYSROOT/usr/lib/libc.a" > "../.compile_hash-$BANAN_ARCH"
+fi
+
+install

ports/ncurses/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash ../install.sh
+
+NAME='ncurses'
+VERSION='6.5'
+DOWNLOAD_URL="https://invisible-island.net/archives/ncurses/ncurses-$VERSION.tar.gz#136d91bc269a9a5785e5f9e980bc76ab57428f604ce3e5a5a90cebc767971cc6"
+CONFIGURE_OPTIONS=(
+	'--disable-db-intall'
+	'--disable-widec'
+	'--without-ada'
+	'--without-manpages'
+	'--without-dlsym'
+	'--without-cxx-binding'
+)

ports/ncurses/patches/0001-add-banan_os-target.patch

@@ -0,0 +1,122 @@
+diff -ruN ncurses-6.5/config.log ncurses-6.5-banan_os/config.log
+--- ncurses-6.5/config.log	1970-01-01 02:00:00.000000000 +0200
++++ ncurses-6.5-banan_os/config.log	2024-08-05 12:15:48.028466613 +0300
+@@ -0,0 +1,106 @@
++This file contains any messages produced by compilers while
++running configure, to aid debugging if configure makes a mistake.
++
++It was created by configure, which was
++generated by GNU Autoconf 2.52.20231210.  Invocation command line was
++
++  $ ./configure --host=x86_64-pc-banan_os --prefix=/usr/local --disable-db-intall --disable-widec --without-ada --without-manpages --without-dlsym --without-cxx-binding
++
++## ---------- ##
++## Platform.  ##
++## ---------- ##
++
++hostname = arch
++uname -m = x86_64
++uname -r = 6.10.2-arch1-2
++uname -s = Linux
++uname -v = #1 SMP PREEMPT_DYNAMIC Sat, 03 Aug 2024 17:56:17 +0000
++
++/usr/bin/uname -p = unknown
++/bin/uname -X     = unknown
++
++/bin/arch              = unknown
++/usr/bin/arch -k       = unknown
++/usr/convex/getsysinfo = unknown
++hostinfo               = unknown
++/bin/machine           = unknown
++/usr/bin/oslevel       = unknown
++/bin/universe          = unknown
++
++PATH = /home/oskari/dev/banan-os/ports/../toolchain/local/bin:/home/oskari/.wasmer/bin:/home/oskari/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/usr/lib/rustup/bin
++
++## ------------ ##
++## Core tests.  ##
++## ------------ ##
++
++configure:1175: PATH=".;."; conftest.sh
++./configure: line 1176: conftest.sh: command not found
++configure:1178: $? = 127
++configure:1195: checking for ggrep
++configure:1221: result: no
++configure:1195: checking for grep
++configure:1210: found /usr/bin/grep
++configure:1218: result: grep
++configure:1229: checking for egrep
++configure:1285: result: grep -E
++configure:1296: result: Configuring NCURSES 6.5 ABI 6 (Mon Aug  5 12:15:47 EEST 2024)
++configure:1300: checking for package version
++configure:1321: result: 6.5
++configure:1324: checking for package patch date
++configure:1341: result: 20240427
++configure:1352: testing ABI VERSION 5:0:10 ...
++configure:1356: testing VERSION_MAJOR 6 ...
++configure:1360: testing VERSION_MINOR 5 ...
++configure:1364: testing VERSION_PATCH 20240427 ...
++configure:1509: checking build system type
++configure:1527: result: x86_64-pc-linux-gnu
++configure:1534: checking host system type
++configure:1543: error: /bin/sh ./config.sub x86_64-pc-banan_os failed
++
++## ----------------- ##
++## Cache variables.  ##
++## ----------------- ##
++
++ac_cv_build=x86_64-pc-linux-gnu
++ac_cv_build_alias=x86_64-pc-linux-gnu
++ac_cv_env_CC_set=
++ac_cv_env_CC_value=
++ac_cv_env_CFLAGS_set=
++ac_cv_env_CFLAGS_value=
++ac_cv_env_CPPFLAGS_set=
++ac_cv_env_CPPFLAGS_value=
++ac_cv_env_CPP_set=
++ac_cv_env_CPP_value=
++ac_cv_env_CXXCPP_set=
++ac_cv_env_CXXCPP_value=
++ac_cv_env_CXXFLAGS_set=
++ac_cv_env_CXXFLAGS_value=
++ac_cv_env_CXX_set=
++ac_cv_env_CXX_value=
++ac_cv_env_LDFLAGS_set=
++ac_cv_env_LDFLAGS_value=
++ac_cv_env_build_alias_set=
++ac_cv_env_build_alias_value=
++ac_cv_env_host_alias_set=set
++ac_cv_env_host_alias_value=x86_64-pc-banan_os
++ac_cv_env_target_alias_set=
++ac_cv_env_target_alias_value=
++ac_cv_host=
++ac_cv_host_alias=x86_64-pc-banan_os
++ac_cv_path_EGREP='grep -E'
++ac_cv_prog_GREP=grep
++cf_cv_abi_default=6
++cf_cv_abi_version=6
++cf_cv_rel_version=6.5
++cf_cv_timestamp='Mon Aug  5 12:15:47 EEST 2024'
++
++## ------------ ##
++## confdefs.h.  ##
++## ------------ ##
++
++#define PACKAGE "ncurses"
++#define NCURSES_VERSION "6.5"
++#define NCURSES_PATCHDATE 20240427
++
++
++configure: exit 1
+diff -ruN ncurses-6.5/config.sub ncurses-6.5-banan_os/config.sub
+--- ncurses-6.5/config.sub	2023-12-27 16:41:27.000000000 +0200
++++ ncurses-6.5-banan_os/config.sub	2024-08-05 12:17:03.025286556 +0300
+@@ -1768,7 +1768,7 @@
+ 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+ 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+-	     | fiwix* | mlibc* | cos* | mbr* | ironclad* )
++	     | fiwix* | mlibc* | cos* | mbr* | ironclad* | banan_os* )
+ 		;;
+ 	# This one is extra strict with allowed versions
+ 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

ports/update.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+cd $(dirname $(realpath $0))
+
+for port in ./*/.compile_hash*; do
+	pushd $(dirname "$port") >/dev/null
+	./build.sh
+	popd >/dev/null
+done

ports/vim/build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash ../install.sh
+
+NAME='vim'
+VERSION='9.0'
+DOWNLOAD_URL="ftp://ftp.vim.org/pub/vim/unix/vim-$VERSION.tar.bz2#a6456bc154999d83d0c20d968ac7ba6e7df0d02f3cb6427fb248660bacfb336e"
+TAR_CONTENT='vim90'
+DEPENDENCIES=( 'ncurses' )
+CONFIGURE_OPTIONS=(
+	'--with-tlib=ncurses'
+	'--disable-nls'
+	'--disable-sysmouse'
+	'--disable-channel'
+	'vim_cv_toupper_broken=no'
+	'vim_cv_terminfo=yes'
+	'vim_cv_tgetent=yes'
+	'vim_cv_getcwd_broken=no'
+	'vim_cv_stat_ignores_slash=yes'
+	'vim_cv_memmove_handles_overlap=yes'
+)

script/build.sh

@@ -49,7 +49,7 @@ create_image () {
 	build_target all
 	build_target install
 
-	$BANAN_ROOT_DIR/ports/build.sh
+	$BANAN_ROOT_DIR/ports/update.sh
 
 	pushd $BANAN_SYSROOT >/dev/null
 	run_fakeroot tar cf ${BANAN_SYSROOT_TAR} *
@@ -121,6 +121,7 @@ case $1 in
 		;;
 	distclean)
 		rm -rf $BANAN_BUILD_DIR
+		rm $BANAN_ROOT_DIR/ports/*/.compile_hash*
 		;;
 	*)
 		build_target $1

userspace/libraries/LibC/CMakeLists.txt

@@ -5,6 +5,7 @@ set(LIBC_SOURCES
 	dirent.cpp
 	fcntl.cpp
 	grp.cpp
+	inttypes.cpp
 	locale.cpp
 	malloc.cpp
 	math.cpp

userspace/libraries/LibC/dirent.cpp

@@ -55,7 +55,7 @@ DIR* fdopendir(int fd)
 
 DIR* opendir(const char* dirname)
 {
-	int fd = open(dirname, O_RDONLY | O_DIRECTORY);
+	int fd = open(dirname, O_RDONLY);
 	if (fd == -1)
 		return nullptr;
 	return fdopendir(fd);

userspace/libraries/LibC/include/netinet/in.h

@@ -26,7 +26,8 @@ __BEGIN_DECLS
 #define IPV6_V6ONLY			7
 
 #define INADDR_ANY			0
-#define INADDR_BROADCAST	UINT32_MAX
+#define INADDR_BROADCAST	0xFFFFFFFF
+#define INADDR_LOOPBACK     0x7F000001
 
 #define INET_ADDRSTRLEN		16
 #define INET6_ADDRSTRLEN	46

userspace/libraries/LibC/include/sys/types.h

@@ -185,6 +185,12 @@ __BEGIN_DECLS
 #endif
 #undef __need_uid_t
 
+#if !defined(__useconds_t_defined) && (defined(__need_all_types) || defined(__need_useconds_t))
+	#define __useconds_t_defined 1
+	typedef unsigned long useconds_t;
+#endif
+#undef __need_useconds_t
+
 #ifdef __need_all_types
 	#include <stdint.h>
 #endif

userspace/libraries/LibC/include/unistd.h

@@ -101,6 +101,7 @@ __BEGIN_DECLS
 #define __need_gid_t
 #define __need_off_t
 #define __need_pid_t
+#define __need_useconds_t
 #include <sys/types.h>
 
 // FIXME: _CS prefixed definitions
@@ -206,6 +207,7 @@ char*				ttyname(int fildes);
 int					ttyname_r(int fildes, char* name, size_t namesize);
 int					unlink(const char* path);
 int					unlinkat(int fd, const char* path, int flag);
+int					usleep(useconds_t usec);
 ssize_t				write(int fildes, const void* buf, size_t nbyte);
 
 extern char*	optarg;

userspace/libraries/LibC/inttypes.cpp

@@ -0,0 +1,14 @@
+#include <inttypes.h>
+#include <stdlib.h>
+
+intmax_t strtoimax(const char* __restrict nptr, char** __restrict endptr, int base)
+{
+	static_assert(sizeof(intmax_t) == sizeof(long long));
+	return strtoll(nptr, endptr, base);
+}
+
+uintmax_t strtoumax(const char* __restrict nptr, char** __restrict endptr, int base)
+{
+	static_assert(sizeof(uintmax_t) == sizeof(unsigned long long));
+	return strtoull(nptr, endptr, base);
+}

userspace/libraries/LibC/netdb.cpp

@@ -9,6 +9,8 @@
 #include <sys/un.h>
 #include <unistd.h>
 
+int h_errno = 0;
+
 struct hostent* gethostbyname(const char* name)
 {
 	static char name_buffer[HOST_NAME_MAX + 1];

userspace/libraries/LibC/signal.cpp

@@ -1,5 +1,6 @@
 #include <BAN/Assert.h>
 #include <signal.h>
+#include <string.h>
 #include <sys/syscall.h>
 #include <unistd.h>
 
@@ -10,6 +11,14 @@ int kill(pid_t pid, int sig)
 	return syscall(SYS_KILL, pid, sig);
 }
 
+void psignal(int signum, const char* message)
+{
+	if (message && *message)
+		fprintf(stderr, "%s: %s\n", message, strsignal(signum));
+	else
+		fprintf(stderr, "%s\n", strsignal(signum));
+}
+
 int raise(int sig)
 {
 	// FIXME: won't work after multithreaded

userspace/libraries/LibC/stdio.cpp

@@ -705,8 +705,11 @@ char* tmpnam(char* storage)
 	return storage;
 }
 
-// TODO
+int ungetc(int c, FILE* stream)
-int ungetc(int, FILE*);
+{
+	dwarnln("FIXME: ungetc({}, {})", c, stream);
+	ASSERT_NOT_REACHED();
+}
 
 int vfprintf(FILE* file, const char* format, va_list arguments)
 {

userspace/libraries/LibC/string.cpp

@@ -317,34 +317,34 @@ char* strsignal(int signum)
 	static char buffer[128];
 	switch (signum)
 	{
-		case SIGABRT:	strcpy(buffer, "SIGABRT"); break;
+		case SIGABRT:	strcpy(buffer, "Process abort signal."); break;
-		case SIGALRM:	strcpy(buffer, "SIGALRM"); break;
+		case SIGALRM:	strcpy(buffer, "Alarm clock."); break;
-		case SIGBUS:	strcpy(buffer, "SIGBUS"); break;
+		case SIGBUS:	strcpy(buffer, "Access to an undefined portion of a memory object."); break;
-		case SIGCHLD:	strcpy(buffer, "SIGCHLD"); break;
+		case SIGCHLD:	strcpy(buffer, "Child process terminated, stopped, or continued."); break;
-		case SIGCONT:	strcpy(buffer, "SIGCONT"); break;
+		case SIGCONT:	strcpy(buffer, "Continue executing, if stopped."); break;
-		case SIGFPE:	strcpy(buffer, "SIGFPE"); break;
+		case SIGFPE:	strcpy(buffer, "Erroneous arithmetic operation."); break;
-		case SIGHUP:	strcpy(buffer, "SIGHUP"); break;
+		case SIGHUP:	strcpy(buffer, "Hangup."); break;
-		case SIGILL:	strcpy(buffer, "SIGILL"); break;
+		case SIGILL:	strcpy(buffer, "Illegal instruction."); break;
-		case SIGINT:	strcpy(buffer, "SIGINT"); break;
+		case SIGINT:	strcpy(buffer, "Terminal interrupt signal."); break;
-		case SIGKILL:	strcpy(buffer, "SIGKILL"); break;
+		case SIGKILL:	strcpy(buffer, "Kill (cannot be caught or ignored)."); break;
-		case SIGPIPE:	strcpy(buffer, "SIGPIPE"); break;
+		case SIGPIPE:	strcpy(buffer, "Write on a pipe with no one to read it."); break;
-		case SIGQUIT:	strcpy(buffer, "SIGQUIT"); break;
+		case SIGQUIT:	strcpy(buffer, "Terminal quit signal."); break;
-		case SIGSEGV:	strcpy(buffer, "SIGSEGV"); break;
+		case SIGSEGV:	strcpy(buffer, "Invalid memory reference."); break;
-		case SIGSTOP:	strcpy(buffer, "SIGSTOP"); break;
+		case SIGSTOP:	strcpy(buffer, "Stop executing (cannot be caught or ignored)."); break;
-		case SIGTERM:	strcpy(buffer, "SIGTERM"); break;
+		case SIGTERM:	strcpy(buffer, "Termination signal."); break;
-		case SIGTSTP:	strcpy(buffer, "SIGTSTP"); break;
+		case SIGTSTP:	strcpy(buffer, "Terminal stop signal."); break;
-		case SIGTTIN:	strcpy(buffer, "SIGTTIN"); break;
+		case SIGTTIN:	strcpy(buffer, "Background process attempting read."); break;
-		case SIGTTOU:	strcpy(buffer, "SIGTTOU"); break;
+		case SIGTTOU:	strcpy(buffer, "Background process attempting write."); break;
-		case SIGUSR1:	strcpy(buffer, "SIGUSR1"); break;
+		case SIGUSR1:	strcpy(buffer, "User-defined signal 1."); break;
-		case SIGUSR2:	strcpy(buffer, "SIGUSR2"); break;
+		case SIGUSR2:	strcpy(buffer, "User-defined signal 2."); break;
-		case SIGPOLL:	strcpy(buffer, "SIGPOLL"); break;
+		case SIGPOLL:	strcpy(buffer, "Pollable event."); break;
-		case SIGPROF:	strcpy(buffer, "SIGPROF"); break;
+		case SIGPROF:	strcpy(buffer, "Profiling timer expired."); break;
-		case SIGSYS:	strcpy(buffer, "SIGSYS"); break;
+		case SIGSYS:	strcpy(buffer, "Bad system call."); break;
-		case SIGTRAP:	strcpy(buffer, "SIGTRAP"); break;
+		case SIGTRAP:	strcpy(buffer, "Trace/breakpoint trap."); break;
-		case SIGURG:	strcpy(buffer, "SIGURG"); break;
+		case SIGURG:	strcpy(buffer, "High bandwidth data is available at a socket."); break;
-		case SIGVTALRM:	strcpy(buffer, "SIGVTALRM"); break;
+		case SIGVTALRM:	strcpy(buffer, "Virtual timer expired."); break;
-		case SIGXCPU:	strcpy(buffer, "SIGXCPU"); break;
+		case SIGXCPU:	strcpy(buffer, "CPU time limit exceeded."); break;
-		case SIGXFSZ:	strcpy(buffer, "SIGXFSZ"); break;
+		case SIGXFSZ:	strcpy(buffer, "File size limit exceeded."); break;
 	}
 	return buffer;
 }

userspace/libraries/LibC/termios.cpp

@@ -1,3 +1,6 @@
+#include <BAN/Assert.h>
+#include <BAN/Debug.h>
+
 #include <errno.h>
 #include <sys/syscall.h>
 #include <termios.h>
@@ -65,7 +68,11 @@ int tcdrain(int);
 
 int tcflow(int, int);
 
-int tcflush(int, int);
+int tcflush(int fd, int queue_selector)
+{
+	dwarnln("FIXME: tcflush({}, {})", fd, queue_selector);
+	ASSERT_NOT_REACHED();
+}
 
 int tcgetattr(int fildes, struct termios* termios)
 {

userspace/libraries/LibC/time.cpp

@@ -1,6 +1,8 @@
-#include <BAN/Assert.h>
 #include <BAN/Debug.h>
+#include <BAN/Math.h>
 
+#include <ctype.h>
+#include <string.h>
 #include <sys/syscall.h>
 #include <time.h>
 #include <unistd.h>
@@ -107,6 +109,346 @@ struct tm* localtime(const time_t* timer)
 
 size_t strftime(char* __restrict s, size_t maxsize, const char* __restrict format, const struct tm* __restrict timeptr)
 {
-    dwarnln("strftime({}, {}, {}, {})", s, maxsize, format, timeptr);
+	size_t len = 0;
-    ASSERT_NOT_REACHED();
+
+	struct conversion_t
+	{
+		char flag = '\0';
+		int width = -1;
+		char modifier = '\0';
+	};
+
+	static constexpr const char* abbr_wday[] {
+		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
+	};
+	static constexpr const char* full_wday[] {
+		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
+	};
+
+	static constexpr const char* abbr_mon[] {
+		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+	};
+	static constexpr const char* full_mon[] {
+		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
+	};
+
+	const auto append_string =
+		[&](const char* string) -> bool
+		{
+			size_t string_len = strlen(string);
+			if (len + string_len >= maxsize)
+				return false;
+			strcpy(s + len, string);
+			len += string_len;
+			return true;
+		};
+
+	const auto append_string_from_list =
+		[&]<size_t LIST_SIZE>(int index, const char* const (&list)[LIST_SIZE]) -> bool
+		{
+			const char* string = "INVALID";
+			if (index >= 0 && index < (int)LIST_SIZE)
+				string = list[index];
+			return append_string(string);
+		};
+
+	const auto append_value =
+		[&](const char* format, int value) -> bool
+		{
+			int written = snprintf(s + len, maxsize - len, format, value);
+			if (len + written >= maxsize)
+				return false;
+			len += written;
+			return true;
+		};
+
+	while (*format && len < maxsize)
+	{
+		if (*format != '%')
+		{
+			s[len++] = *format++;
+			continue;
+		}
+
+		format++;
+
+		conversion_t conversion;
+		switch (*format)
+		{
+			case '+':
+			case '0':
+				conversion.flag = *format;
+				format++;
+				break;
+		}
+		if (isdigit(*format))
+		{
+			conversion.width = 0;
+			while (isdigit(*format))
+			{
+				conversion.width = (conversion.width * 10) + (*format + '0');
+				format++;
+			}
+		}
+		switch (*format)
+		{
+			case 'E':
+			case 'O':
+				dwarnln("TODO: strftime moodifiers");
+				conversion.modifier = *format;
+				format++;
+				break;
+		}
+
+		switch (*format)
+		{
+			case 'a':
+				if (!append_string_from_list(timeptr->tm_wday, abbr_wday))
+					return 0;
+				break;
+			case 'A':
+				if (!append_string_from_list(timeptr->tm_wday, full_wday))
+					return 0;
+				break;
+			case 'b':
+			case 'h':
+				if (!append_string_from_list(timeptr->tm_mon, abbr_mon))
+					return 0;
+				break;
+			case 'B':
+				if (!append_string_from_list(timeptr->tm_mon, full_mon))
+					return 0;
+				break;
+			case 'c':
+				if (size_t ret = strftime(s + len, maxsize - len, "%a %b %e %H:%M:%S %Y", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'C':
+			{
+				if (conversion.flag == '\0')
+					conversion.flag = ' ';
+				if (conversion.flag == '+' && conversion.width <= 2)
+					conversion.flag = '0';
+				if (conversion.width < 2)
+					conversion.width = 2;
+
+				char new_format[32];
+				sprintf(new_format, "%%%c%dd", conversion.flag, conversion.width);
+				if (!append_value(new_format, timeptr->tm_year % 100))
+					return 0;
+				break;
+			}
+			case 'd':
+				if (!append_value("%02d", timeptr->tm_mday))
+					return 0;
+				break;
+			case 'D':
+				if (size_t ret = strftime(s + len, maxsize - len, "%m/%d/%y", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'e':
+				if (!append_value("% 2d", timeptr->tm_mday))
+					return 0;
+				break;
+			case 'F':
+			{
+				if (conversion.flag == '\0')
+					conversion.flag = '+';
+				if (conversion.width == -1)
+					conversion.width = 10;
+				if (conversion.width < 6)
+					conversion.width = 6;
+
+				char new_format[32];
+				sprintf(new_format, "%%%c%dY-%%m-%%d", conversion.flag, conversion.width - 6);
+
+				if (size_t ret = strftime(s + len, maxsize - len, new_format, timeptr))
+					len += ret;
+				else return 0;
+				break;
+			}
+			case 'H':
+				if (!append_value("%02d", timeptr->tm_hour))
+					return 0;
+				break;
+			case 'I':
+				if (!append_value("%02d", ((timeptr->tm_hour + 11) % 12) + 1))
+					return 0;
+				break;
+			case 'j':
+				if (!append_value("%03d", timeptr->tm_yday + 1))
+					return 0;
+				break;
+			case 'm':
+				if (!append_value("%02d", timeptr->tm_mon + 1))
+					return 0;
+				break;
+			case 'M':
+				if (!append_value("%02d", timeptr->tm_min))
+					return 0;
+				break;
+			case 'n':
+				s[len++] = '\n';
+				break;
+			case 'p':
+				if (!append_string(timeptr->tm_hour < 12 ? "AM" : "PM"))
+					return 0;
+				break;
+			case 'r':
+				if (size_t ret = strftime(s + len, maxsize - len, "%I:%M:%S %p", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'R':
+				if (size_t ret = strftime(s + len, maxsize - len, "%H:%M", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'S':
+				if (!append_value("%02d", timeptr->tm_sec))
+					return 0;
+				break;
+			case 't':
+				s[len++] = '\t';
+				break;
+			case 'T':
+				if (size_t ret = strftime(s + len, maxsize - len, "%H:%M:%S", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'u':
+				if (!append_value("%d", ((timeptr->tm_wday + 6) % 7) + 1))
+					return 0;
+				break;
+			case 'U':
+				if (!append_value("%02d", (timeptr->tm_yday - timeptr->tm_wday + 7) / 7))
+					return 0;
+				break;
+			case 'g':
+			case 'G':
+			case 'V':
+			{
+				// Adapted from GNU libc implementation
+
+				constexpr auto is_leap_year =
+					[](int year) -> bool
+					{
+						if (year % 400 == 0)
+							return true;
+						if (year % 100 == 0)
+							return false;
+						if (year % 4 == 0)
+							return true;
+						return false;
+					};
+
+				constexpr auto iso_week_days =
+					[](int yday, int wday) -> int
+					{
+						return yday - (wday + 382) % 7 + 3;
+					};
+
+				int year = timeptr->tm_year + 1900;
+				int days = iso_week_days(timeptr->tm_yday, timeptr->tm_wday);
+
+				if (days < 0)
+				{
+					year--;
+					days = iso_week_days(timeptr->tm_yday + (365 + is_leap_year(year)), timeptr->tm_wday);
+				}
+				else
+				{
+					int d = iso_week_days(timeptr->tm_yday - (365 + is_leap_year(year)), timeptr->tm_wday);
+					if (d >= 0)
+					{
+						year++;
+						days = d;
+					}
+				}
+
+				switch (*format)
+				{
+					case 'g':
+						if (!append_value("%02d", ((year % 100) + 100) % 100))
+							return 0;
+						break;
+					case 'G':
+					{
+						if (conversion.flag == '\0')
+							conversion.flag = ' ';
+						if (conversion.flag == '+' && conversion.width <= 4)
+							conversion.flag = '0';
+						if (conversion.width == -1)
+							conversion.width = 0;
+
+						char new_format[32];
+						sprintf(new_format, "%%%c%dd", conversion.flag, conversion.width);
+						if (!append_value(new_format, year))
+							return 0;
+						break;
+					}
+					case 'V':
+						if (!append_value("%02d", days / 7 + 1))
+							return 0;
+						break;
+				}
+				break;
+			}
+			case 'w':
+				if (!append_value("%d", timeptr->tm_wday))
+					return 0;
+				break;
+			case 'W':
+				if (!append_value("%02d", (timeptr->tm_yday - (timeptr->tm_wday - 1 + 7) % 7 + 7) / 7))
+					return 0;
+				break;
+			case 'x':
+				if (size_t ret = strftime(s + len, maxsize - len, "%m/%d/%y", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'X':
+				if (size_t ret = strftime(s + len, maxsize - len, "%H:%M:%S", timeptr))
+					len += ret;
+				else return 0;
+				break;
+			case 'y':
+				if (!append_value("%d", timeptr->tm_yday % 100))
+					return 0;
+				break;
+			case 'Y':
+			{
+				if (conversion.flag == '\0')
+					conversion.flag = ' ';
+				if (conversion.flag == '+' && conversion.width <= 4)
+					conversion.flag = '0';
+				if (conversion.width == -1)
+					conversion.width = 0;
+
+				char new_format[32];
+				sprintf(new_format, "%%%c%dd", conversion.flag, conversion.width);
+				if (!append_value(new_format, 1900 + timeptr->tm_year))
+					return 0;
+				break;
+			}
+			case 'z':
+				// FIXME: support timezones
+				break;
+			case 'Z':
+				// FIXME: support timezones
+				break;
+			case '%':
+				s[len++] = '%';
+				break;
+		}
+
+		format++;
+	}
+
+	if (*format != '\0')
+		return 0;
+	s[len++] = '\0';
+	return len;
 }

userspace/libraries/LibC/unistd.cpp

@@ -1,5 +1,7 @@
 #include <BAN/Assert.h>
+#include <BAN/Debug.h>
 #include <kernel/Syscall.h>
+
 #include <errno.h>
 #include <pwd.h>
 #include <stdarg.h>
@@ -280,6 +282,14 @@ unsigned int sleep(unsigned int seconds)
 	return ret;
 }
 
+int usleep(useconds_t usec)
+{
+	timespec ts;
+	ts.tv_sec = usec / 1'000'000;
+	ts.tv_nsec = (usec % 1'000'000) * 1000;
+	return nanosleep(&ts, nullptr);
+}
+
 char* getcwd(char* buf, size_t size)
 {
 	if (size == 0)
@@ -526,3 +536,9 @@ unsigned alarm(unsigned seconds)
 	setitimer(ITIMER_REAL, &value, &ovalue);
 	return ovalue.it_value.tv_sec;
 }
+
+int symlink(const char* path1, const char* path2)
+{
+	dwarnln("FIXME: symlink({}, {})", path1, path2);
+	ASSERT_NOT_REACHED();
+}