patch-2.1.16 linux/arch/sparc/kernel/sparc_namei.c

• Lines: 62
• Date: Fri Dec 13 11:37:31 1996
• Orig file: v2.1.15/linux/arch/sparc/kernel/sparc_namei.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.15/linux/arch/sparc/kernel/sparc_namei.c linux/arch/sparc/kernel/sparc_namei.c
@@ -0,0 +1,61 @@
+/* $Id: sparc_namei.c,v 1.2 1996/12/12 09:39:25 jj Exp $
+ * linux/arch/sparc/kernel/sparc_namei.c
+ *
+ * Routines to handle famous /usr/gnemul/s*.
+ * Included from linux/fs/namei.c
+ */
+
+
+#define BSD_EMUL "usr/gnemul/sunos/"
+#define SOL_EMUL "usr/gnemul/solaris/"
+
+static int dir_namei(const char *pathname, int *namelen, const char **name,
+                     struct inode * base, struct inode **res_inode);
+static int _namei(const char * pathname, struct inode * base,
+                  int follow_links, struct inode ** res_inode);
+int open_namei(const char * pathname, int flag, int mode,
+               struct inode ** res_inode, struct inode * base);
+                     
+static int sparc_namei(const char ** pathname, struct inode ** base,
+		int follow_links, struct inode ** res_inode)
+{
+	struct inode *emul_ino;
+	int namelen;
+	const char *name;
+	int error;
+	
+	while (**pathname == '/')
+		(*pathname)++;
+	current->fs->root->i_count++;
+	if (dir_namei (current->personality & PER_BSD ? BSD_EMUL : SOL_EMUL, 
+		       &namelen, &name, current->fs->root, &emul_ino) >= 0 && emul_ino) {
+		*res_inode = NULL;
+		if ((error = _namei (*pathname, emul_ino, follow_links, res_inode)) >= 0 && *res_inode) {
+			return 0;
+		}
+	}
+	*base = current->fs->root;
+	(*base)->i_count++;
+	return -ENOTDIR;
+}
+
+static int sparc_open_namei(const char ** pathname, int flag, int mode,
+		struct inode ** res_inode, struct inode ** base)
+{
+	struct inode *emul_ino;
+	int namelen;
+	const char *name;
+	
+	while (**pathname == '/')
+		(*pathname)++;
+	current->fs->root->i_count++;
+	if (dir_namei (current->personality & PER_BSD ? BSD_EMUL : SOL_EMUL, 
+		       &namelen, &name, current->fs->root, &emul_ino) >= 0 && emul_ino) {
+		*res_inode = NULL;
+		if (open_namei (*pathname, flag /* & ~O_CREAT */, mode, res_inode, emul_ino) >= 0 && *res_inode)
+			return 0;
+	}
+	*base = current->fs->root;
+	(*base)->i_count++;
+	return -ENOTDIR;
+}