Initial commit of Crossmeta 2.0 FUSE

.gitignore

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+CVS/

hello/Makefile

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+#
+# DO NOT EDIT THIS FILE!!!  Edit .\sources. if you want to add a new source
+# file to this component.  This file merely indirects to the real make file
+# that is shared by all the components of NT OS/2
+#
+!INCLUDE $(NTMAKEENV)\makefile.def

hello/SOURCES

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+!IF 0
+	Fuse program info build file
+
+!ENDIF
+
+TARGETNAME=hello
+TARGETPATH=$(VFS_LIB_TARGET)
+TARGETTYPE=PROGRAM
+
+TARGETLIBS=$(SDK_LIB_PATH)\ntdll.lib
+LINKLIBS=$(VFS_LIB_PATH)\libfuse.lib \
+	$(VFS_LIB_PATH)\cxfuse.lib
+
+
+USE_MSVCRT=1
+386_STDCALL=0
+
+INCLUDES=..\include;..\sys
+C_DEFINES=-D__STDC__=1 
+
+UMTYPE=console
+UMBASE=0x1000000
+
+SOURCES= hello.c
+

hello/hello.c

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+/*
+  FUSE: Filesystem in Userspace
+  Copyright (C) 2001-2007  Miklos Szeredi <[email protected]>
+
+  This program can be distributed under the terms of the GNU GPL.
+  See the file COPYING.
+
+  gcc -Wall `pkg-config fuse --cflags --libs` hello.c -o hello
+*/
+
+#define FUSE_USE_VERSION 26
+
+#include <fuse.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+
+static const char *hello_str = "Hello World!\n";
+static const char *hello_path = "/hello";
+
+static int hello_getattr(const char *path, struct stat *stbuf)
+{
+	int res = 0;
+
+	memset(stbuf, 0, sizeof(struct stat));
+	if (strcmp(path, "/") == 0) {
+		stbuf->st_mode = S_IFDIR | 0755;
+		stbuf->st_nlink = 2;
+	} else if (strcmp(path, hello_path) == 0) {
+		stbuf->st_mode = S_IFREG | 0444;
+		stbuf->st_nlink = 1;
+		stbuf->st_size = strlen(hello_str);
+	} else
+		res = -ENOENT;
+
+	return res;
+}
+
+static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
+			 off_t offset, struct fuse_file_info *fi)
+{
+	(void) offset;
+	(void) fi;
+
+	if (strcmp(path, "/") != 0)
+		return -ENOENT;
+
+	filler(buf, ".", NULL, 0);
+	filler(buf, "..", NULL, 0);
+	filler(buf, hello_path + 1, NULL, 0);
+
+	return 0;
+}
+
+static int hello_open(const char *path, struct fuse_file_info *fi)
+{
+	if (strcmp(path, hello_path) != 0)
+		return -ENOENT;
+
+	if ((fi->flags & 3) != O_RDONLY)
+		return -EACCES;
+
+	return 0;
+}
+
+static int hello_read(const char *path, char *buf, size_t size, off_t offset,
+		      struct fuse_file_info *fi)
+{
+	size_t len;
+	(void) fi;
+	if(strcmp(path, hello_path) != 0)
+		return -ENOENT;
+
+	len = strlen(hello_str);
+	if (offset < len) {
+		if (offset + size > len)
+			size = len - offset;
+		memcpy(buf, hello_str + offset, size);
+	} else
+		size = 0;
+
+	return size;
+}
+
+static struct fuse_operations hello_oper = {
+#if 0
+	.getattr	= hello_getattr,
+	.readdir	= hello_readdir,
+	.open		= hello_open,
+	.read		= hello_read,
+#endif
+	0
+};
+
+int main(int argc, char *argv[])
+{
+	hello_oper.getattr	= hello_getattr;
+	hello_oper.readdir	= hello_readdir;
+	hello_oper.open		= hello_open;
+	hello_oper.read		= hello_read;
+	return fuse_main(argc, argv, &hello_oper, NULL);
+}

hello_ll/Makefile

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+#
+# DO NOT EDIT THIS FILE!!!  Edit .\sources. if you want to add a new source
+# file to this component.  This file merely indirects to the real make file
+# that is shared by all the components of NT OS/2
+#
+!INCLUDE $(NTMAKEENV)\makefile.def

hello_ll/SOURCES

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+!IF 0
+	hello_ll a lowlevel fuse example program build file 
+
+!ENDIF
+
+TARGETNAME=hello_ll
+TARGETPATH=$(VFS_LIB_TARGET)
+TARGETTYPE=PROGRAM
+
+TARGETLIBS=$(SDK_LIB_PATH)\ntdll.lib
+
+LINKLIBS=$(VFS_LIB_PATH)\libfuse.lib \
+	$(VFS_LIB_PATH)\cxfuse.lib 
+
+USE_MSVCRT=0
+386_STDCALL=0
+
+INCLUDES=..\include;..\sys
+C_DEFINES=-D__STDC__=1
+
+UMTYPE=console
+UMBASE=0x1000000
+
+SOURCES= hello_ll.c
+

hello_ll/hello_ll.c

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+/*
+  FUSE: Filesystem in Userspace
+  Copyright (C) 2001-2007  Miklos Szeredi <[email protected]>
+
+  This program can be distributed under the terms of the GNU GPL.
+  See the file COPYING.
+
+  gcc -Wall `pkg-config fuse --cflags --libs` hello_ll.c -o hello_ll
+*/
+
+#define FUSE_USE_VERSION 26
+
+#include <fuse_lowlevel.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <assert.h>
+
+static const char *hello_str = "Hello World!\n";
+static const char *hello_name = "hello";
+
+static int hello_stat(fuse_ino_t ino, struct stat *stbuf)
+{
+	stbuf->st_ino = ino;
+	switch (ino) {
+	case 1:
+		stbuf->st_mode = S_IFDIR | 0755;
+		stbuf->st_nlink = 2;
+		break;
+
+	case 2:
+		stbuf->st_mode = S_IFREG | 0444;
+		stbuf->st_nlink = 1;
+		stbuf->st_size = strlen(hello_str);
+		break;
+
+	default:
+		return -1;
+	}
+	return 0;
+}
+
+static void hello_ll_getattr(fuse_req_t req, fuse_ino_t ino,
+			     struct fuse_file_info *fi)
+{
+	struct stat stbuf;
+
+	(void) fi;
+
+	memset(&stbuf, 0, sizeof(stbuf));
+	if (hello_stat(ino, &stbuf) == -1)
+		fuse_reply_err(req, ENOENT);
+	else
+		fuse_reply_attr(req, &stbuf, 1.0);
+}
+
+static void hello_ll_lookup(fuse_req_t req, fuse_ino_t parent, const char *name)
+{
+	struct fuse_entry_param e;
+
+	if (parent != 1 || strcmp(name, hello_name) != 0)
+		fuse_reply_err(req, ENOENT);
+	else {
+		memset(&e, 0, sizeof(e));
+		e.ino = 2;
+		e.attr_timeout = 1.0;
+		e.entry_timeout = 1.0;
+		hello_stat(e.ino, &e.attr);
+
+		fuse_reply_entry(req, &e);
+	}
+}
+
+struct dirbuf {
+	char *p;
+	size_t size;
+};
+
+static void dirbuf_add(fuse_req_t req, struct dirbuf *b, const char *name,
+		       fuse_ino_t ino)
+{
+	struct stat stbuf;
+	size_t oldsize = b->size;
+	b->size += fuse_add_direntry(req, NULL, 0, name, NULL, 0);
+	b->p = (char *) realloc(b->p, b->size);
+	memset(&stbuf, 0, sizeof(stbuf));
+	stbuf.st_ino = ino;
+	fuse_add_direntry(req, b->p + oldsize, b->size - oldsize, name, &stbuf,
+			  b->size);
+}
+
+#define min(x, y) ((x) < (y) ? (x) : (y))
+
+static int reply_buf_limited(fuse_req_t req, const char *buf, size_t bufsize,
+			     off_t off, size_t maxsize)
+{
+	if (off < bufsize)
+		return fuse_reply_buf(req, buf + off,
+				      min(bufsize - off, maxsize));
+	else
+		return fuse_reply_buf(req, NULL, 0);
+}
+
+static void hello_ll_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
+			     off_t off, struct fuse_file_info *fi)
+{
+	(void) fi;
+
+	if (ino != 1)
+		fuse_reply_err(req, ENOTDIR);
+	else {
+		struct dirbuf b;
+
+		memset(&b, 0, sizeof(b));
+		dirbuf_add(req, &b, ".", 1);
+		dirbuf_add(req, &b, "..", 1);
+		dirbuf_add(req, &b, hello_name, 2);
+		reply_buf_limited(req, b.p, b.size, off, size);
+		free(b.p);
+	}
+}
+
+static void hello_ll_open(fuse_req_t req, fuse_ino_t ino,
+			  struct fuse_file_info *fi)
+{
+	if (ino != 2)
+		fuse_reply_err(req, EISDIR);
+	else if ((fi->flags & 3) != O_RDONLY)
+		fuse_reply_err(req, EACCES);
+	else
+		fuse_reply_open(req, fi);
+}
+
+static void hello_ll_read(fuse_req_t req, fuse_ino_t ino, size_t size,
+			  off_t off, struct fuse_file_info *fi)
+{
+	(void) fi;
+
+	assert(ino == 2);
+	reply_buf_limited(req, hello_str, strlen(hello_str), off, size);
+}
+
+static struct fuse_lowlevel_ops hello_ll_oper = {
+0
+#if 0
+	.lookup		= hello_ll_lookup,
+	.getattr	= hello_ll_getattr,
+	.readdir	= hello_ll_readdir,
+	.open		= hello_ll_open,
+	.read		= hello_ll_read,
+#endif
+};
+
+int main(int argc, char *argv[])
+{
+	struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
+	struct fuse_chan *ch;
+	char *mountpoint;
+	int err = -1;
+
+	hello_ll_oper.lookup		= hello_ll_lookup;
+	hello_ll_oper.getattr	= hello_ll_getattr;
+	hello_ll_oper.readdir	= hello_ll_readdir;
+	hello_ll_oper.open		= hello_ll_open;
+	hello_ll_oper.read		= hello_ll_read;
+
+	if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 &&
+	    (ch = fuse_mount(mountpoint, &args)) != NULL) {
+		struct fuse_session *se;
+
+		se = fuse_lowlevel_new(&args, &hello_ll_oper,
+				       sizeof(hello_ll_oper), NULL);
+		if (se != NULL) {
+			if (fuse_set_signal_handlers(se) != -1) {
+				fuse_session_add_chan(se, ch);
+				err = fuse_session_loop(se);
+				fuse_remove_signal_handlers(se);
+				fuse_session_remove_chan(ch);
+			}
+			fuse_session_destroy(se);
+		}
+		fuse_unmount(mountpoint, ch);
+	}
+	fuse_opt_free_args(&args);
+
+	return err ? 1 : 0;
+}