patch-2.1.17 linux/include/asm-sparc/namei.h

• Lines: 59
• Date: Thu Dec 19 11:03:37 1996
• Orig file: v2.1.16/linux/include/asm-sparc/namei.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.16/linux/include/asm-sparc/namei.h linux/include/asm-sparc/namei.h
@@ -0,0 +1,58 @@
+/* $Id: namei.h,v 1.1 1996/12/13 14:48:20 jj Exp $
+ * linux/include/asm-sparc/namei.h
+ *
+ * Routines to handle famous /usr/gnemul/s*.
+ * Included from linux/fs/namei.c
+ */
+
+#ifndef __SPARC_NAMEI_H
+#define __SPARC_NAMEI_H
+
+#define SPARC_BSD_EMUL "usr/gnemul/sunos/"
+#define SPARC_SOL_EMUL "usr/gnemul/solaris/"
+
+#if 1
+#define gnemul_namei(pathname, base, follow_links, res_inode) ({					\
+	if ((current->personality & (PER_BSD|PER_SVR4)) && !base && *pathname == '/') {			\
+		struct inode *emul_ino;									\
+		int namelen;										\
+		const char *name;									\
+													\
+		while (*pathname == '/')								\
+			pathname++;									\
+		current->fs->root->i_count++;								\
+		if (dir_namei (current->personality & PER_BSD ? SPARC_BSD_EMUL : SPARC_SOL_EMUL, 	\
+				&namelen, &name, current->fs->root, &emul_ino) >= 0 && emul_ino) {	\
+			*res_inode = NULL;								\
+			if (_namei (pathname, emul_ino, follow_links, res_inode) >= 0 && *res_inode) 	\
+				return 0;								\
+		}											\
+		base = current->fs->root;								\
+		base->i_count++;									\
+	}												\
+})
+#else
+#define gnemul_namei(pathname, base, follow_links, res_inode) do { } while (0)
+#endif
+
+#define gnemul_open_namei(pathname, flag, mode, res_inode, base) ({					\
+	if ((current->personality & (PER_BSD|PER_SVR4)) && !base && *pathname == '/') {			\
+		struct inode *emul_ino;									\
+		int namelen;										\
+		const char *name;									\
+													\
+		while (*pathname == '/')								\
+			pathname++;									\
+		current->fs->root->i_count++;								\
+		if (dir_namei (current->personality & PER_BSD ? SPARC_BSD_EMUL : SPARC_SOL_EMUL, 	\
+				&namelen, &name, current->fs->root, &emul_ino) >= 0 && emul_ino) {	\
+			*res_inode = NULL;								\
+			if (open_namei (pathname, flag, mode, res_inode, emul_ino) >= 0 && *res_inode)	\
+				return 0;								\
+		}											\
+		base = current->fs->root;								\
+		base->i_count++;									\
+	}												\
+})
+
+#endif /* __SPARC_NAMEI_H */