patch-2.2.7 linux/fs/ncpfs/ncplib_kernel.h

• Lines: 124
• Date: Tue Apr 20 15:17:20 1999
• Orig file: v2.2.6/linux/fs/ncpfs/ncplib_kernel.h
• Orig date: Tue Mar 10 10:03:34 1998

diff -u --recursive --new-file v2.2.6/linux/fs/ncpfs/ncplib_kernel.h linux/fs/ncpfs/ncplib_kernel.h
@@ -4,6 +4,7 @@
  *  Copyright (C) 1995, 1996 by Volker Lendecke
  *  Modified for big endian by J.F. Chadima and David S. Miller
  *  Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache
+ *  Modified 1998 Wolfram Pienkoss for NLS
  *
  */
 
@@ -23,6 +24,10 @@
 #include <asm/unaligned.h>
 #include <asm/string.h>
 
+#ifdef CONFIG_NCPFS_NLS
+#include <linux/nls.h>
+#endif
+
 #include <linux/ncp.h>
 #include <linux/ncp_fs.h>
 #include <linux/ncp_fs_sb.h>
@@ -36,12 +41,19 @@
 int ncp_read(struct ncp_server *, const char *, __u32, __u16, char *, int *);
 int ncp_write(struct ncp_server *, const char *, __u32, __u16,
 		const char *, int *);
+#ifdef CONFIG_NCPFS_EXTRAS
+int ncp_read_kernel(struct ncp_server *, const char *, __u32, __u16, char *, int *);
+int ncp_write_kernel(struct ncp_server *, const char *, __u32, __u16,
+		const char *, int *);
+#endif
 
 int ncp_obtain_info(struct ncp_server *server, struct inode *, char *,
 		struct nw_info_struct *target);
 int ncp_lookup_volume(struct ncp_server *, char *, struct nw_info_struct *);
 int ncp_modify_file_or_subdir_dos_info(struct ncp_server *, struct inode *,
-			 __u32, struct nw_modify_dos_info *info);
+	 __u32, const struct nw_modify_dos_info *info);
+int ncp_modify_file_or_subdir_dos_info_path(struct ncp_server *, struct inode *,
+	 const char* path, __u32, const struct nw_modify_dos_info *info);
 
 int ncp_del_file_or_subdir2(struct ncp_server *, struct dentry*);
 int ncp_del_file_or_subdir(struct ncp_server *, struct inode *, char *);
@@ -75,4 +87,83 @@
 ncp_mount_subdir(struct ncp_server* server, __u8 volNumber, 
 		 __u8 srcNS, __u32 srcDirEntNum);
 #endif	/* CONFIG_NCPFS_MOUNT_SUBDIR */
+
+#ifdef CONFIG_NCPFS_NLS
+/* This are the NLS conversion routines with inspirations and code parts
+ * from the vfat file system and hints from Petr Vandrovec.
+ */
+
+/*
+ * It should be replaced by charset specifc conversion. Gordon Chaffee
+ * has prepared some things, but I don't know, what he thinks about it.
+ * The conversion tables for the io charsets should be generatable by
+ * Unicode table, shouldn't it? I have written so generation code for it.
+ * The tables for the vendor specific codepages...? Hmm. The Samba sources
+ * contains also any hints.
+ */
+
+#define toupperif(c, u) ((((u) != 0) && ((c) >= 'a') && ((c) <= 'z')) \
+			? (c)-('a'-'A') : (c))
+#define tolowerif(c, u) ((((u) != 0) && ((c) >= 'A') && ((c) <= 'Z')) \
+			? (c)-('A'-'a') : (c))
+
+static inline void
+io2vol(struct ncp_server *server, char *name, int case_trans)
+{
+	unsigned char nc;
+	unsigned char *np;
+	unsigned char *up;
+	struct nls_unicode uc;
+	struct nls_table *nls_in;
+	struct nls_table *nls_out;
+
+	nls_in = server->nls_io;
+	nls_out = server->nls_vol;
+	np = name;
+
+	while (*np)
+	{
+		nc = 0;
+		uc = nls_in->charset2uni[toupperif(*np, case_trans)];
+		up = nls_out->page_uni2charset[uc.uni2];
+		if (up != NULL)	nc = up[uc.uni1];
+		if (nc != 0) *np = nc;
+		np++;
+	}
+}
+
+static inline void
+vol2io(struct ncp_server *server, char *name, int case_trans)
+{
+	unsigned char nc;
+	unsigned char *np;
+	unsigned char *up;
+	struct nls_unicode uc;
+	struct nls_table *nls_in;
+	struct nls_table *nls_out;
+
+	nls_in = server->nls_vol;
+	nls_out = server->nls_io;
+	np = name;
+
+	while (*np)
+	{
+		nc = 0;
+		uc = nls_in->charset2uni[*np];
+		up = nls_out->page_uni2charset[uc.uni2];
+		if (up != NULL)	nc = up[uc.uni1];
+		if (nc == 0) nc = *np;
+		*np = tolowerif(nc, case_trans);
+		np++;
+	}
+}
+
+#else
+
+#define io2vol(S,N,U) if (U) str_upper(N)
+#define vol2io(S,N,U) if (U) str_lower(N)
+
+#endif /* CONFIG_NCPFS_NLS */
+
 #endif /* _NCPLIB_H */
+