ports/bash: Fix compilation with moved winsize

This fixes `mkdir -p ...` failing to create existing parents which are
not writable

kernel/kernel/Process.cpp

@@ -1527,7 +1527,11 @@ namespace Kernel
 			uid_gid_t { m_credentials.euid(), m_credentials.egid() };
 		});
 
-		auto [parent, file_name] = TRY(find_parent_file(fd, path, O_WRONLY));
+		auto [parent, file_name] = TRY(find_parent_file(fd, path, O_SEARCH));
+		if (!parent.inode->find_inode(file_name).is_error())
+			return BAN::Error::from_errno(EEXIST);
+		if (!parent.inode->can_access(m_credentials, O_WRONLY))
+			return BAN::Error::from_errno(EACCES);
 		TRY(parent.inode->create_directory(file_name, (mode & 0777) | Inode::Mode::IFDIR, uid, gid));
 
 		return 0;

ports/bash/build.sh

@@ -10,8 +10,8 @@ CONFIGURE_OPTIONS=(
 	'--without-bash-malloc'
 	'--with-curses'
 	'bash_cv_unusable_rtsigs=no'
-	'bash_cv_signal_vintage=posix'
-	'CFLAGS=-std=c17'
+	'bash_cv_struct_winsize_termios=yes' # configure checks for sys/termios.h? code uses termios.h correctly
+	'CFLAGS=-std=c17 -Wno-discarded-qualifiers'
 	'CFLAGS_FOR_BUILD=-std=c17'
 )
 

ports/bash/patches/0002-remove-cut-and-getconf-builtins.patch

@@ -1,12 +0,0 @@
-diff -ruN bash-5.2.37/examples/loadables/Makefile.in bash-5.2.37-banan_os/examples/loadables/Makefile.in
---- bash-5.2.37/examples/loadables/Makefile.in	2022-08-19 23:33:30.000000000 +0300
-+++ bash-5.2.37-banan_os/examples/loadables/Makefile.in	2025-01-26 02:43:36.121801845 +0200
-@@ -104,7 +104,7 @@
- ALLPROG = print truefalse sleep finfo logname basename dirname fdflags \
- 	  tty pathchk tee head mkdir rmdir mkfifo mktemp printenv id whoami \
- 	  uname sync push ln unlink realpath strftime mypid setpgid seq rm \
--	  accept csv dsv cut stat getconf
-+	  accept csv dsv stat
- OTHERPROG = necho hello cat pushd asort
- 
- all:	$(SHOBJ_STATUS)

ports/tar/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash ../install.sh
+
+NAME='tar'
+VERSION='1.35'
+DOWNLOAD_URL="https://ftpmirror.gnu.org/gnu/tar/tar-$VERSION.tar.xz#4d62ff37342ec7aed748535323930c7cf94acf71c3591882b26a7ea50f3edc16"
+CONFIG_SUB=('build-aux/config.sub')
+
+pre_configure() {
+	echo '#include_next <sys/types.h>' > gnu/sys_types.in.h
+}

ports/tar/patches/0001-implement-getprogname.patch

@@ -0,0 +1,21 @@
+diff -ruN tar-1.35/gnu/getprogname.c tar-1.35-banan_os/gnu/getprogname.c
+--- tar-1.35/gnu/getprogname.c	2023-06-17 09:47:53.000000000 +0300
++++ tar-1.35-banan_os/gnu/getprogname.c	2026-07-07 15:22:32.468592615 +0300
+@@ -50,7 +50,7 @@
+ # include <sys/procfs.h>
+ #endif
+ 
+-#if defined __SCO_VERSION__ || defined __sysv5__
++#if defined __SCO_VERSION__ || defined __sysv5__ || defined __banan_os__
+ # include <fcntl.h>
+ # include <string.h>
+ #endif
+@@ -265,7 +265,7 @@
+         }
+     }
+   return NULL;
+-# elif defined __SCO_VERSION__ || defined __sysv5__                /* SCO OpenServer6/UnixWare */
++# elif defined __SCO_VERSION__ || defined __sysv5__ || defined __banan_os__                /* SCO OpenServer6/UnixWare */
+   char buf[80];
+   int fd;
+   sprintf (buf, "/proc/%d/cmdline", getpid());

userspace/libraries/LibC/include/stdio.h

@@ -127,6 +127,7 @@ int		vsnprintf(char* __restrict s, size_t n, const char* __restrict format, va_l
 int		vsprintf(char* __restrict s, const char* __restrict format, va_list ap);
 int		vsscanf(const char* __restrict s, const char* __restrict format, va_list arg);
 
+size_t __fpending(FILE* stream);
 void __fseterr(FILE* stream);
 
 __END_DECLS

userspace/libraries/LibC/stdio.cpp

@@ -134,6 +134,12 @@ void clearerr(FILE* file)
 	file->error = false;
 }
 
+size_t __fpending(FILE* file)
+{
+	ScopeLock _(file);
+	return file->buffer_rd_size ? 0 : file->buffer_idx;
+}
+
 void __fseterr(FILE* file)
 {
 	ScopeLock _(file);

userspace/programs/mkdir/main.cpp

@@ -8,7 +8,7 @@
 
 static const char* s_argv0 { nullptr };
 
-bool create_parents(const char* path, bool verbose)
+static bool create_parents(const char* path, bool verbose)
 {
 	char buffer[PATH_MAX];
 	for (size_t i = 0; path[i];)
@@ -21,32 +21,47 @@ bool create_parents(const char* path, bool verbose)
 			break;
 		buffer[i] = '\0';
 
-		if (mkdir(buffer, 0) == -1)
+		struct stat st;
+		if (stat(path, &st) == 0)
 		{
-			if (errno == EEXIST)
+			if (S_ISDIR(st.st_mode))
 				continue;
+			fprintf(stderr, "%s: cannot create '%s': %s\n", s_argv0, path, strerror(EEXIST));
+			return false;
+		}
+
+		if (errno != ENOENT || mkdir(path, 0) == -1)
+		{
 			fprintf(stderr, "%s: cannot create '%s': %s\n", s_argv0, path, strerror(errno));
 			return false;
 		}
 
-		const mode_t filemask = umask(0);
-		umask(filemask);
-
-		chmod(buffer, (S_IWUSR | S_IXUSR | ~filemask) & 0777);
-
 		if (verbose)
 			printf("%s: created directory '%s'\n", s_argv0, path);
+
+		const mode_t filemask = umask(0);
+		umask(filemask);
+		chmod(buffer, (S_IWUSR | S_IXUSR | ~filemask) & 0777);
 	}
 
 	return true;
 }
 
-bool create_directory(const char* path, mode_t mode, bool verbose, bool parents)
+static bool create_directory(const char* path, mode_t mode, bool verbose, bool parents)
 {
 	if (parents && !create_parents(path, verbose))
 		return false;
 
-	if (mkdir(path, mode) == -1)
+	struct stat st;
+	if (stat(path, &st) == 0)
+	{
+		if (parents && S_ISDIR(st.st_mode))
+			return true;
+		fprintf(stderr, "%s: cannot create '%s': %s\n", s_argv0, path, strerror(EEXIST));
+		return false;
+	}
+
+	if (errno != ENOENT || mkdir(path, mode) == -1)
 	{
 		fprintf(stderr, "%s: cannot create '%s': %s\n", s_argv0, path, strerror(errno));
 		return false;