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Added fts support for traversing UNIX file hierarchies.

It is required by libdwfl in elfutils package.

Signed-off-by: Salvatore Cro <salvatore.cro at st.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Salvatore Cro 10 years ago
parent
commit
a4aa01c128
7 changed files with 1327 additions and 0 deletions
  1. 1 0
      Makefile.in
  2. 12 0
      extra/Configs/Config.in
  3. 131 0
      include/fts.h
  4. 1 0
      libc/misc/Makefile.in
  5. 14 0
      libc/misc/fts/Makefile
  6. 23 0
      libc/misc/fts/Makefile.in
  7. 1145 0
      libc/misc/fts/fts.c

+ 1 - 0
Makefile.in

@@ -239,6 +239,7 @@ HEADERS_RM-$(UCLIBC_HAS_FLOATS)              += complex.h fpu_control.h ieee754.
 	tgmath.h \
 	bits/math*.h
 HEADERS_RM-$(findstring y,$(UCLIBC_HAS_FTW)$(UCLIBC_HAS_NFTW))  += ftw.h
+HEADERS_RM-$(UCLIBC_HAS_FTS)                 += fts.h
 HEADERS_RM-$(UCLIBC_HAS_GETTEXT_AWARENESS)   += libintl.h
 HEADERS_RM-$(UCLIBC_HAS_GLIBC_CUSTOM_PRINTF) += printf.h
 HEADERS_RM-$(UCLIBC_HAS_GLOB)                += glob.h

+ 12 - 0
extra/Configs/Config.in

@@ -1898,6 +1898,18 @@ config UCLIBC_HAS_FTW
 	  This interface is rarely used, and adds around 4.5k.  Unless you have
 	  a pressing need for ftw(), you should probably answer N.
 
+config UCLIBC_HAS_FTS
+	bool "Support the fts() interface (bsd-compat)"
+	default n
+	help
+	  The fts functions are provided for traversing UNIX file hierarchies.
+
+	  This interface is currently used by the elfutils and adds
+	  around 7.5k.
+	  You should port your application to use the POSIX nftw()
+	  interface.
+
+	  Unless you need to build/use elfutils, you should prolly answer N.
 
 config UCLIBC_HAS_GLOB
 	bool "Support the glob() interface"

+ 131 - 0
include/fts.h

@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fts.h	8.3 (Berkeley) 8/14/94
+ */
+
+#ifndef	_FTS_H
+#define	_FTS_H 1
+
+#include <features.h>
+#include <sys/types.h>
+
+/* The fts interface is incompatible with the LFS interface which
+   transparently uses the 64-bit file access functions.  */
+#ifdef __USE_FILE_OFFSET64
+# error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64"
+#endif
+
+
+typedef struct {
+	struct _ftsent *fts_cur;	/* current node */
+	struct _ftsent *fts_child;	/* linked list of children */
+	struct _ftsent **fts_array;	/* sort array */
+	dev_t fts_dev;			/* starting device # */
+	char *fts_path;			/* path for this descent */
+	int fts_rfd;			/* fd for root */
+	int fts_pathlen;		/* sizeof(path) */
+	int fts_nitems;			/* elements in the sort array */
+	int (*fts_compar) (const void *, const void *); /* compare fn */
+
+#define	FTS_COMFOLLOW	0x0001		/* follow command line symlinks */
+#define	FTS_LOGICAL	0x0002		/* logical walk */
+#define	FTS_NOCHDIR	0x0004		/* don't change directories */
+#define	FTS_NOSTAT	0x0008		/* don't get stat info */
+#define	FTS_PHYSICAL	0x0010		/* physical walk */
+#define	FTS_SEEDOT	0x0020		/* return dot and dot-dot */
+#define	FTS_XDEV	0x0040		/* don't cross devices */
+#define FTS_WHITEOUT	0x0080		/* return whiteout information */
+#define	FTS_OPTIONMASK	0x00ff		/* valid user option mask */
+
+#define	FTS_NAMEONLY	0x0100		/* (private) child names only */
+#define	FTS_STOP	0x0200		/* (private) unrecoverable error */
+	int fts_options;		/* fts_open options, global flags */
+} FTS;
+
+typedef struct _ftsent {
+	struct _ftsent *fts_cycle;	/* cycle node */
+	struct _ftsent *fts_parent;	/* parent directory */
+	struct _ftsent *fts_link;	/* next file in directory */
+	long fts_number;	        /* local numeric value */
+	void *fts_pointer;	        /* local address value */
+	char *fts_accpath;		/* access path */
+	char *fts_path;			/* root path */
+	int fts_errno;			/* errno for this node */
+	int fts_symfd;			/* fd for symlink */
+	u_short fts_pathlen;		/* strlen(fts_path) */
+	u_short fts_namelen;		/* strlen(fts_name) */
+
+	ino_t fts_ino;			/* inode */
+	dev_t fts_dev;			/* device */
+	nlink_t fts_nlink;		/* link count */
+
+#define	FTS_ROOTPARENTLEVEL	-1
+#define	FTS_ROOTLEVEL		 0
+	short fts_level;		/* depth (-1 to N) */
+
+#define	FTS_D		 1		/* preorder directory */
+#define	FTS_DC		 2		/* directory that causes cycles */
+#define	FTS_DEFAULT	 3		/* none of the above */
+#define	FTS_DNR		 4		/* unreadable directory */
+#define	FTS_DOT		 5		/* dot or dot-dot */
+#define	FTS_DP		 6		/* postorder directory */
+#define	FTS_ERR		 7		/* error; errno is set */
+#define	FTS_F		 8		/* regular file */
+#define	FTS_INIT	 9		/* initialized only */
+#define	FTS_NS		10		/* stat(2) failed */
+#define	FTS_NSOK	11		/* no stat(2) requested */
+#define	FTS_SL		12		/* symbolic link */
+#define	FTS_SLNONE	13		/* symbolic link without target */
+#define FTS_W		14		/* whiteout object */
+	u_short fts_info;		/* user flags for FTSENT structure */
+
+#define	FTS_DONTCHDIR	 0x01		/* don't chdir .. to the parent */
+#define	FTS_SYMFOLLOW	 0x02		/* followed a symlink to get here */
+	u_short fts_flags;		/* private flags for FTSENT structure */
+
+#define	FTS_AGAIN	 1		/* read node again */
+#define	FTS_FOLLOW	 2		/* follow symbolic link */
+#define	FTS_NOINSTR	 3		/* no instructions */
+#define	FTS_SKIP	 4		/* discard node */
+	u_short fts_instr;		/* fts_set() instructions */
+
+	struct stat *fts_statp;		/* stat(2) information */
+	char fts_name[1];		/* file name */
+} FTSENT;
+
+__BEGIN_DECLS
+FTSENT	*fts_children (FTS *, int);
+int	 fts_close (FTS *);
+FTS	*fts_open (char * const *, int,
+		   int (*)(const FTSENT **, const FTSENT **));
+FTSENT	*fts_read (FTS *);
+int	 fts_set (FTS *, FTSENT *, int) __THROW;
+__END_DECLS
+
+#endif /* fts.h */

+ 1 - 0
libc/misc/Makefile.in

@@ -16,6 +16,7 @@ include $(top_srcdir)libc/misc/elf/Makefile.in
 include $(top_srcdir)libc/misc/file/Makefile.in
 include $(top_srcdir)libc/misc/fnmatch/Makefile.in
 include $(top_srcdir)libc/misc/ftw/Makefile.in
+include $(top_srcdir)libc/misc/fts/Makefile.in
 include $(top_srcdir)libc/misc/glob/Makefile.in
 include $(top_srcdir)libc/misc/gnu/Makefile.in
 include $(top_srcdir)libc/misc/internals/Makefile.in

+ 14 - 0
libc/misc/fts/Makefile

@@ -0,0 +1,14 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2009 STMicroelectronics Ltd.
+# Author: Salvatore Cro <salvatore.cro at st.com>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../
+top_builddir=../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.in
+include $(top_srcdir)Makerules

+ 23 - 0
libc/misc/fts/Makefile.in

@@ -0,0 +1,23 @@
+# FTS Makefile for uClibc
+#
+# Copyright (C) 2009 STMicroelectronics Ltd.
+# Author: Salvatore Cro <salvatore.cro at st.com>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+subdirs += libc/misc/fts
+CSRC := fts.c
+
+MISC_FTS_DIR := $(top_srcdir)libc/misc/fts
+MISC_FTS_OUT := $(top_builddir)libc/misc/fts
+
+MISC_FTS_SRC := $(patsubst %.c,$(MISC_FTS_DIR)/%.c,$(CSRC))
+MISC_FTS_OBJ := $(patsubst %.c,$(MISC_FTS_OUT)/%.o,$(CSRC))
+
+libc-$(UCLIBC_HAS_FTS) += $(MISC_FTS_OBJ)
+
+objclean-y += CLEAN_libc/misc/fts
+
+CLEAN_libc/misc/fts:
+	$(do_rm) $(addprefix $(MISC_FTS_OUT)/*., o os)

File diff suppressed because it is too large
+ 1145 - 0
libc/misc/fts/fts.c