diff options
9 files changed, 9 insertions, 1460 deletions
diff --git a/toolchain/uClibc/Makefile b/toolchain/uClibc/Makefile index d74d1ecfc..5f4ddb5d9 100644 --- a/toolchain/uClibc/Makefile +++ b/toolchain/uClibc/Makefile @@ -12,10 +12,11 @@ PKG_VERSION:=$(call qstrip,$(CONFIG_UCLIBC_VERSION)) ifeq ($(PKG_VERSION),0.9.32) PKG_SOURCE_URL:=git://git.busybox.net/uClibc PKG_SOURCE_PROTO:=git - PKG_SOURCE_VERSION:=f6450b67cc92027352367be299cc28dd29cd8486 + PKG_SOURCE_VERSION:=9152c4d67c763fde5712e2d181d92c0d7e1e2ab9 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION) PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz - LIBC_SO_VERSION:=$(PKG_VERSION)-rc3-git + PKG_MIRROR_MD5SUM:=723dfa4f1f766cbd675d2c9a8238abb0 + LIBC_SO_VERSION:=$(PKG_VERSION).1-git else PKG_SOURCE_URL:=http://www.uclibc.org/downloads PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2 diff --git a/toolchain/uClibc/config-0.9.32/common b/toolchain/uClibc/config-0.9.32/common index df5bc3948..08298b5a6 100644 --- a/toolchain/uClibc/config-0.9.32/common +++ b/toolchain/uClibc/config-0.9.32/common @@ -38,6 +38,7 @@ LDSO_RUNPATH=y # LDSO_SEARCH_INTERP_PATH is not set # LINUXTHREADS_NEW is not set # LINUXTHREADS_OLD is not set +# UCLIBC_HAS_BACKTRACE is not set UCLIBC_HAS_THREADS_NATIVE=y # MALLOC is not set MALLOC_GLIBC_COMPAT=y diff --git a/toolchain/uClibc/patches-0.9.32/200-no_forced_unwind.patch b/toolchain/uClibc/patches-0.9.32/200-no_forced_unwind.patch index 5d2c1c456..989f5b887 100644 --- a/toolchain/uClibc/patches-0.9.32/200-no_forced_unwind.patch +++ b/toolchain/uClibc/patches-0.9.32/200-no_forced_unwind.patch @@ -1,6 +1,6 @@ --- a/Rules.mak +++ b/Rules.mak -@@ -658,7 +658,6 @@ endif +@@ -656,7 +656,6 @@ endif ifeq ($(UCLIBC_HAS_THREADS),y) ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) PTNAME := nptl diff --git a/toolchain/uClibc/patches-0.9.32/210-mips_fix_symbol_lookup.patch b/toolchain/uClibc/patches-0.9.32/210-mips_fix_symbol_lookup.patch deleted file mode 100644 index f97d3cb76..000000000 --- a/toolchain/uClibc/patches-0.9.32/210-mips_fix_symbol_lookup.patch +++ /dev/null @@ -1,13 +0,0 @@ ---- a/ldso/ldso/mips/elfinterp.c -+++ b/ldso/ldso/mips/elfinterp.c -@@ -378,8 +378,9 @@ void _dl_perform_mips_global_got_relocat - *got_entry += (unsigned long) tpnt->loadaddr; - } - else { -+ struct symbol_ref sym_ref = { sym, NULL }; - *got_entry = (unsigned long) _dl_find_hash(strtab + -- sym->st_name, tpnt->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, NULL); -+ sym->st_name, tpnt->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, &sym_ref); - } - - got_entry++; diff --git a/toolchain/uClibc/patches-0.9.32/350-use-fputs_unlocked.patch b/toolchain/uClibc/patches-0.9.32/350-use-fputs_unlocked.patch index b2cd37fdd..58b03ec7d 100644 --- a/toolchain/uClibc/patches-0.9.32/350-use-fputs_unlocked.patch +++ b/toolchain/uClibc/patches-0.9.32/350-use-fputs_unlocked.patch @@ -6,11 +6,9 @@ Date: Tue May 24 14:36:42 2011 +0200 this eliminates a source of reproduceable freezes -diff --git a/libc/stdio/_vfprintf.c b/libc/stdio/_vfprintf.c -index 3db8cdf..069db16 100644 --- a/libc/stdio/_vfprintf.c +++ b/libc/stdio/_vfprintf.c -@@ -1229,7 +1229,7 @@ static size_t _fp_out_narrow(FILE *fp, intptr_t type, intptr_t len, intptr_t buf +@@ -1229,7 +1229,7 @@ static size_t _fp_out_narrow(FILE *fp, i #define STRLEN wcslen #define _PPFS_init _ppwfs_init /* Pulls in fseek: */ diff --git a/toolchain/uClibc/patches-0.9.32/600-ubicom32-uClibc.patch b/toolchain/uClibc/patches-0.9.32/600-ubicom32-uClibc.patch index 9bf95363a..e387690e2 100644 --- a/toolchain/uClibc/patches-0.9.32/600-ubicom32-uClibc.patch +++ b/toolchain/uClibc/patches-0.9.32/600-ubicom32-uClibc.patch @@ -1,6 +1,6 @@ --- a/Rules.mak +++ b/Rules.mak -@@ -484,6 +484,17 @@ ifeq ($(TARGET_ARCH),i960) +@@ -482,6 +482,17 @@ ifeq ($(TARGET_ARCH),i960) SYMBOL_PREFIX=_ endif diff --git a/toolchain/uClibc/patches-0.9.32/900-reorder_use_bx.patch b/toolchain/uClibc/patches-0.9.32/900-reorder_use_bx.patch deleted file mode 100644 index ffe9e69f8..000000000 --- a/toolchain/uClibc/patches-0.9.32/900-reorder_use_bx.patch +++ /dev/null @@ -1,41 +0,0 @@ -"Use BX" is not available on all CPUs, so the option depends on -a correct CPU to be chosen . It is weird that e BX" then appears -_above_ the CPU selection, not below. - -Move the "Use BX" after the CPU selection. - -Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> -Cc: Khem Raj <raj.khem@gmail.com> -Cc: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> -Cc: Carmelo AMOROSO <carmelo.amoroso@st.com> ---- - extra/Configs/Config.arm | 14 +++++++------- - 1 files changed, 7 insertions(+), 7 deletions(-) - ---- a/extra/Configs/Config.arm -+++ b/extra/Configs/Config.arm -@@ -30,13 +30,6 @@ config CONFIG_ARM_EABI - - endchoice - --config USE_BX -- bool "Use BX in function return" -- default y -- depends on !CONFIG_GENERIC_ARM && !CONFIG_ARM610 && !CONFIG_ARM710 -- help -- Use BX instruction for THUMB aware architectures. -- - choice - prompt "Target Processor Type" - default CONFIG_GENERIC_ARM -@@ -131,3 +124,10 @@ config CONFIG_ARM_IWMMXT - select ARCH_HAS_MMU - - endchoice -+ -+config USE_BX -+ bool "Use BX in function return" -+ default y -+ depends on !CONFIG_GENERIC_ARM && !CONFIG_ARM610 && !CONFIG_ARM710 -+ help -+ Use BX instruction for THUMB aware architectures. diff --git a/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch b/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch index 254841b5d..e8a97c4f8 100644 --- a/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch +++ b/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch @@ -17,8 +17,8 @@ Cc: Carmelo AMOROSO <carmelo.amoroso@st.com> --- a/Rules.mak +++ b/Rules.mak -@@ -335,25 +335,6 @@ ifeq ($(TARGET_ARCH),arm) - OPTIMIZATION+=-fstrict-aliasing +@@ -335,25 +335,6 @@ endif + ifeq ($(TARGET_ARCH),arm) CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN)+=-mlittle-endian CPU_CFLAGS-$(ARCH_BIG_ENDIAN)+=-mbig-endian - CPU_CFLAGS-$(CONFIG_GENERIC_ARM)+= diff --git a/toolchain/uClibc/patches-0.9.32/970-uclibc_fts.patch b/toolchain/uClibc/patches-0.9.32/970-uclibc_fts.patch deleted file mode 100644 index cf4a7b880..000000000 --- a/toolchain/uClibc/patches-0.9.32/970-uclibc_fts.patch +++ /dev/null @@ -1,1397 +0,0 @@ -From a4aa01c128b04c7174d57a28f61656f966d2bd6c Mon Sep 17 00:00:00 2001 -From: Salvatore Cro <salvatore.cro at st.com> -Date: Wed, 20 Apr 2011 10:49:25 +0000 -Subject: Added fts support for traversing UNIX file hierarchies. - -It is required by libdwfl in elfutils package. - -Signed-off-by: Salvatore Cro <salvatore.cro at st.com> -Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> ---- -diff --git a/Makefile.in b/Makefile.in -index 0c1f414..5e0bfcd 100644 ---- a/Makefile.in -+++ b/Makefile.in -@@ -239,6 +239,7 @@ HEADERS_RM-$(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 -diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in -index 8628f28..ca51aa0 100644 ---- a/extra/Configs/Config.in -+++ b/extra/Configs/Config.in -@@ -1904,6 +1904,18 @@ 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" -diff --git a/include/fts.h b/include/fts.h -new file mode 100644 -index 0000000..0a070ba ---- a/include/fts.h -+++ b/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 */ -diff --git a/libc/misc/Makefile.in b/libc/misc/Makefile.in -index 6c09d31..e01b3dc 100644 ---- a/libc/misc/Makefile.in -+++ b/libc/misc/Makefile.in -@@ -18,6 +18,7 @@ @@ 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 -diff --git a/libc/misc/fts/Makefile b/libc/misc/fts/Makefile -new file mode 100644 -index 0000000..1361db3 ---- a/libc/misc/fts/Makefile -+++ b/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 -diff --git a/libc/misc/fts/Makefile.in b/libc/misc/fts/Makefile.in -new file mode 100644 -index 0000000..a1d0efa ---- a/libc/misc/fts/Makefile.in -+++ b/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) -diff --git a/libc/misc/fts/fts.c b/libc/misc/fts/fts.c -new file mode 100644 -index 0000000..ce5d158 ---- a/libc/misc/fts/fts.c -+++ b/libc/misc/fts/fts.c -@@ -0,0 +1,1145 @@ -+/*- -+ * Copyright (c) 1990, 1993, 1994 -+ * 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. -+ */ -+ -+#include <sys/param.h> -+#include <sys/stat.h> -+#include <fcntl.h> -+#include <dirent.h> -+#include <errno.h> -+#include <fts.h> -+#include <stdlib.h> -+#include <string.h> -+#include <unistd.h> -+ -+#ifdef __UCLIBC_HAS_LFS__ -+# include <_lfs_64.h> -+#else -+# define stat64 stat -+# define fstat64 fstat -+#endif -+ -+/* Largest alignment size needed, minus one. -+ Usually long double is the worst case. */ -+#ifndef ALIGNBYTES -+#define ALIGNBYTES (__alignof__ (long double) - 1) -+#endif -+/* Align P to that size. */ -+#ifndef ALIGN -+#define ALIGN(p) (((unsigned long int) (p) + ALIGNBYTES) & ~ALIGNBYTES) -+#endif -+ -+ -+static FTSENT *fts_alloc (FTS *, const char *, size_t) internal_function; -+static FTSENT *fts_build (FTS *, int) internal_function; -+static void fts_lfree (FTSENT *) internal_function; -+static void fts_load (FTS *, FTSENT *) internal_function; -+static size_t fts_maxarglen (char * const *) internal_function; -+static void fts_padjust (FTS *, FTSENT *) internal_function; -+static int fts_palloc (FTS *, size_t) internal_function; -+static FTSENT *fts_sort (FTS *, FTSENT *, int) internal_function; -+static u_short fts_stat (FTS *, FTSENT *, int) internal_function; -+static int fts_safe_changedir (FTS *, FTSENT *, int, const char *) -+ internal_function; -+ -+#ifndef MAX -+#define MAX(a, b) ({ __typeof__ (a) _a = (a); \ -+ __typeof__ (b) _b = (b); \ -+ _a > _b ? _a : _b; }) -+#endif -+ -+#define ISDOT(a) (a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2]))) -+ -+#define CLR(opt) (sp->fts_options &= ~(opt)) -+#define ISSET(opt) (sp->fts_options & (opt)) -+#define SET(opt) (sp->fts_options |= (opt)) -+ -+#define FCHDIR(sp, fd) (!ISSET(FTS_NOCHDIR) && fchdir(fd)) -+ -+/* fts_build flags */ -+#define BCHILD 1 /* fts_children */ -+#define BNAMES 2 /* fts_children, names only */ -+#define BREAD 3 /* fts_read */ -+ -+FTS * -+fts_open(argv, options, compar) -+ char * const *argv; -+ register int options; -+ int (*compar) (const FTSENT **, const FTSENT **); -+{ -+ register FTS *sp; -+ register FTSENT *p, *root; -+ register int nitems; -+ FTSENT *parent = NULL; -+ FTSENT *tmp = NULL; -+ -+ /* Options check. */ -+ if (options & ~FTS_OPTIONMASK) { -+ __set_errno (EINVAL); -+ return (NULL); -+ } -+ -+ /* Allocate/initialize the stream */ -+ if ((sp = malloc((u_int)sizeof(FTS))) == NULL) -+ return (NULL); -+ memset(sp, 0, sizeof(FTS)); -+ sp->fts_compar = (int (*) (const void *, const void *)) compar; -+ sp->fts_options = options; -+ -+ /* Logical walks turn on NOCHDIR; symbolic links are too hard. */ -+ if (ISSET(FTS_LOGICAL)) -+ SET(FTS_NOCHDIR); -+ -+ /* -+ * Start out with 1K of path space, and enough, in any case, -+ * to hold the user's paths. -+ */ -+#ifndef MAXPATHLEN -+#define MAXPATHLEN 1024 -+#endif -+ size_t maxarglen = fts_maxarglen(argv); -+ if (fts_palloc(sp, MAX(maxarglen, MAXPATHLEN))) -+ goto mem1; -+ -+ /* Allocate/initialize root's parent. */ -+ if (*argv != NULL) { -+ if ((parent = fts_alloc(sp, "", 0)) == NULL) -+ goto mem2; -+ parent->fts_level = FTS_ROOTPARENTLEVEL; -+ } -+ -+ /* Allocate/initialize root(s). */ -+ for (root = NULL, nitems = 0; *argv != NULL; ++argv, ++nitems) { -+ /* Don't allow zero-length paths. */ -+ size_t len = strlen(*argv); -+ if (len == 0) { -+ __set_errno (ENOENT); -+ goto mem3; -+ } -+ -+ p = fts_alloc(sp, *argv, len); -+ p->fts_level = FTS_ROOTLEVEL; -+ p->fts_parent = parent; -+ p->fts_accpath = p->fts_name; -+ p->fts_info = fts_stat(sp, p, ISSET(FTS_COMFOLLOW)); -+ -+ /* Command-line "." and ".." are real directories. */ -+ if (p->fts_info == FTS_DOT) -+ p->fts_info = FTS_D; -+ -+ /* -+ * If comparison routine supplied, traverse in sorted -+ * order; otherwise traverse in the order specified. -+ */ -+ if (compar) { -+ p->fts_link = root; -+ root = p; -+ } else { -+ p->fts_link = NULL; -+ if (root == NULL) -+ tmp = root = p; -+ else { -+ tmp->fts_link = p; -+ tmp = p; -+ } -+ } -+ } -+ if (compar && nitems > 1) -+ root = fts_sort(sp, root, nitems); -+ -+ /* -+ * Allocate a dummy pointer and make fts_read think that we've just -+ * finished the node before the root(s); set p->fts_info to FTS_INIT -+ * so that everything about the "current" node is ignored. -+ */ -+ if ((sp->fts_cur = fts_alloc(sp, "", 0)) == NULL) -+ goto mem3; -+ sp->fts_cur->fts_link = root; -+ sp->fts_cur->fts_info = FTS_INIT; -+ -+ /* -+ * If using chdir(2), grab a file descriptor pointing to dot to ensure -+ * that we can get back here; this could be avoided for some paths, -+ * but almost certainly not worth the effort. Slashes, symbolic links, -+ * and ".." are all fairly nasty problems. Note, if we can't get the -+ * descriptor we run anyway, just more slowly. -+ */ -+ if (!ISSET(FTS_NOCHDIR) -+ && (sp->fts_rfd = open(".", O_RDONLY, 0)) < 0) -+ SET(FTS_NOCHDIR); -+ -+ return (sp); -+ -+mem3: fts_lfree(root); -+ free(parent); -+mem2: free(sp->fts_path); -+mem1: free(sp); -+ return (NULL); -+} -+ -+static void -+internal_function -+fts_load(sp, p) -+ FTS *sp; -+ register FTSENT *p; -+{ -+ register int len; -+ register char *cp; -+ -+ /* -+ * Load the stream structure for the next traversal. Since we don't -+ * actually enter the directory until after the preorder visit, set -+ * the fts_accpath field specially so the chdir gets done to the right -+ * place and the user can access the first node. From fts_open it's -+ * known that the path will fit. -+ */ -+ len = p->fts_pathlen = p->fts_namelen; -+ memmove(sp->fts_path, p->fts_name, len + 1); -+ if ((cp = strrchr(p->fts_name, '/')) && (cp != p->fts_name || cp[1])) { -+ len = strlen(++cp); -+ memmove(p->fts_name, cp, len + 1); -+ p->fts_namelen = len; -+ } -+ p->fts_accpath = p->fts_path = sp->fts_path; -+ sp->fts_dev = p->fts_dev; -+} -+ -+int -+fts_close(sp) -+ FTS *sp; -+{ -+ register FTSENT *freep, *p; -+ int saved_errno; -+ -+ /* -+ * This still works if we haven't read anything -- the dummy structure -+ * points to the root list, so we step through to the end of the root -+ * list which has a valid parent pointer. -+ */ -+ if (sp->fts_cur) { -+ for (p = sp->fts_cur; p->fts_level >= FTS_ROOTLEVEL;) { -+ freep = p; -+ p = p->fts_link != NULL ? p->fts_link : p->fts_parent; -+ free(freep); -+ } -+ free(p); -+ } -+ -+ /* Free up child linked list, sort array, path buffer. */ -+ if (sp->fts_child) -+ fts_lfree(sp->fts_child); -+ free(sp->fts_array); -+ free(sp->fts_path); -+ -+ /* Return to original directory, save errno if necessary. */ -+ if (!ISSET(FTS_NOCHDIR)) { -+ saved_errno = fchdir(sp->fts_rfd) ? errno : 0; -+ (void)close(sp->fts_rfd); -+ -+ /* Set errno and return. */ -+ if (saved_errno != 0) { -+ /* Free up the stream pointer. */ -+ free(sp); -+ __set_errno (saved_errno); -+ return (-1); -+ } -+ } -+ -+ /* Free up the stream pointer. */ -+ free(sp); -+ return (0); -+} -+ -+/* -+ * Special case of "/" at the end of the path so that slashes aren't -+ * appended which would cause paths to be written as "....//foo". -+ */ -+#define NAPPEND(p) \ -+ (p->fts_path[p->fts_pathlen - 1] == '/' \ -+ ? p->fts_pathlen - 1 : p->fts_pathlen) -+ -+FTSENT * -+fts_read(sp) -+ register FTS *sp; -+{ -+ register FTSENT *p, *tmp; -+ register int instr; -+ register char *t; -+ int saved_errno; -+ -+ /* If finished or unrecoverable error, return NULL. */ -+ if (sp->fts_cur == NULL || ISSET(FTS_STOP)) -+ return (NULL); -+ -+ /* Set current node pointer. */ -+ p = sp->fts_cur; -+ -+ /* Save and zero out user instructions. */ -+ instr = p->fts_instr; -+ p->fts_instr = FTS_NOINSTR; -+ -+ /* Any type of file may be re-visited; re-stat and re-turn. */ -+ if (instr == FTS_AGAIN) { -+ p->fts_info = fts_stat(sp, p, 0); -+ return (p); -+ } -+ -+ /* -+ * Following a symlink -- SLNONE test allows application to see -+ * SLNONE and recover. If indirecting through a symlink, have -+ * keep a pointer to current location. If unable to get that -+ * pointer, follow fails. -+ */ -+ if (instr == FTS_FOLLOW && -+ (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) { -+ p->fts_info = fts_stat(sp, p, 1); -+ if (p->fts_info == FTS_D && !ISSET(FTS_NOCHDIR)) { -+ if ((p->fts_symfd = open(".", O_RDONLY, 0)) < 0) { -+ p->fts_errno = errno; -+ p->fts_info = FTS_ERR; -+ } else -+ p->fts_flags |= FTS_SYMFOLLOW; -+ } -+ return (p); -+ } -+ -+ /* Directory in pre-order. */ -+ if (p->fts_info == FTS_D) { -+ /* If skipped or crossed mount point, do post-order visit. */ -+ if (instr == FTS_SKIP || -+ (ISSET(FTS_XDEV) && p->fts_dev != sp->fts_dev)) { -+ if (p->fts_flags & FTS_SYMFOLLOW) -+ (void)close(p->fts_symfd); -+ if (sp->fts_child) { -+ fts_lfree(sp->fts_child); -+ sp->fts_child = NULL; -+ } -+ p->fts_info = FTS_DP; -+ return (p); -+ } -+ -+ /* Rebuild if only read the names and now traversing. */ -+ if (sp->fts_child != NULL && ISSET(FTS_NAMEONLY)) { -+ CLR(FTS_NAMEONLY); -+ fts_lfree(sp->fts_child); -+ sp->fts_child = NULL; -+ } -+ -+ /* -+ * Cd to the subdirectory. -+ * -+ * If have already read and now fail to chdir, whack the list -+ * to make the names come out right, and set the parent errno -+ * so the application will eventually get an error condition. -+ * Set the FTS_DONTCHDIR flag so that when we logically change -+ * directories back to the parent we don't do a chdir. -+ * -+ * If haven't read do so. If the read fails, fts_build sets -+ * FTS_STOP or the fts_info field of the node. -+ */ -+ if (sp->fts_child != NULL) { -+ if (fts_safe_changedir(sp, p, -1, p->fts_accpath)) { -+ p->fts_errno = errno; -+ p->fts_flags |= FTS_DONTCHDIR; -+ for (p = sp->fts_child; p != NULL; -+ p = p->fts_link) -+ p->fts_accpath = -+ p->fts_parent->fts_accpath; -+ } -+ } else if ((sp->fts_child = fts_build(sp, BREAD)) == NULL) { -+ if (ISSET(FTS_STOP)) -+ return (NULL); -+ return (p); -+ } -+ p = sp->fts_child; -+ sp->fts_child = NULL; -+ sp->fts_cur = p; -+ goto name; -+ } -+ -+ /* Move to the next node on this level. */ -+next: tmp = p; -+ if ((p = p->fts_link) != NULL) { -+ sp->fts_cur = p; -+ free(tmp); -+ -+ /* -+ * If reached the top, return to the original directory (or -+ * the root of the tree), and load the paths for the next root. -+ */ -+ if (p->fts_level == FTS_ROOTLEVEL) { -+ if (FCHDIR(sp, sp->fts_rfd)) { -+ SET(FTS_STOP); -+ return (NULL); -+ } -+ fts_load(sp, p); -+ return p; -+ } -+ -+ /* -+ * User may have called fts_set on the node. If skipped, -+ * ignore. If followed, get a file descriptor so we can -+ * get back if necessary. -+ */ -+ if (p->fts_instr == FTS_SKIP) -+ goto next; -+ if (p->fts_instr == FTS_FOLLOW) { -+ p->fts_info = fts_stat(sp, p, 1); -+ if (p->fts_info == FTS_D && !ISSET(FTS_NOCHDIR)) { -+ if ((p->fts_symfd = -+ open(".", O_RDONLY, 0)) < 0) { -+ p->fts_errno = errno; -+ p->fts_info = FTS_ERR; -+ } else -+ p->fts_flags |= FTS_SYMFOLLOW; -+ } -+ p->fts_instr = FTS_NOINSTR; -+ } -+ -+name: t = sp->fts_path + NAPPEND(p->fts_parent); -+ *t++ = '/'; -+ memmove(t, p->fts_name, p->fts_namelen + 1); -+ return p; -+ } -+ -+ /* Move up to the parent node. */ -+ p = tmp->fts_parent; -+ sp->fts_cur = p; -+ free(tmp); -+ -+ if (p->fts_level == FTS_ROOTPARENTLEVEL) { -+ /* -+ * Done; free everything up and set errno to 0 so the user -+ * can distinguish between error and EOF. -+ */ -+ free(p); -+ __set_errno (0); -+ return (sp->fts_cur = NULL); -+ } -+ -+ /* NUL terminate the pathname. */ -+ sp->fts_path[p->fts_pathlen] = '\0'; -+ -+ /* -+ * Return to the parent directory. If at a root node or came through -+ * a symlink, go back through the file descriptor. Otherwise, cd up -+ * one directory. -+ */ -+ if (p->fts_level == FTS_ROOTLEVEL) { -+ if (FCHDIR(sp, sp->fts_rfd)) { -+ SET(FTS_STOP); -+ return (NULL); -+ } -+ } else if (p->fts_flags & FTS_SYMFOLLOW) { -+ if (FCHDIR(sp, p->fts_symfd)) { -+ saved_errno = errno; -+ (void)close(p->fts_symfd); -+ __set_errno (saved_errno); -+ SET(FTS_STOP); -+ return (NULL); -+ } -+ (void)close(p->fts_symfd); -+ } else if (!(p->fts_flags & FTS_DONTCHDIR) && -+ fts_safe_changedir(sp, p->fts_parent, -1, "..")) { -+ SET(FTS_STOP); -+ return (NULL); -+ } -+ p->fts_info = p->fts_errno ? FTS_ERR : FTS_DP; -+ return p; -+} -+ -+/* -+ * Fts_set takes the stream as an argument although it's not used in this -+ * implementation; it would be necessary if anyone wanted to add global -+ * semantics to fts using fts_set. An error return is allowed for similar -+ * reasons. -+ */ -+/* ARGSUSED */ -+int -+fts_set(sp, p, instr) -+ FTS *sp; -+ FTSENT *p; -+ int instr; -+{ -+ if (instr != 0 && instr != FTS_AGAIN && instr != FTS_FOLLOW && -+ instr != FTS_NOINSTR && instr != FTS_SKIP) { -+ __set_errno (EINVAL); -+ return (1); -+ } -+ p->fts_instr = instr; -+ return (0); -+} -+ -+FTSENT * -+fts_children(sp, instr) -+ register FTS *sp; -+ int instr; -+{ -+ register FTSENT *p; -+ int fd; -+ -+ if (instr != 0 && instr != FTS_NAMEONLY) { -+ __set_errno (EINVAL); -+ return (NULL); -+ } -+ -+ /* Set current node pointer. */ -+ p = sp->fts_cur; -+ -+ /* -+ * Errno set to 0 so user can distinguish empty directory from -+ * an error. -+ */ -+ __set_errno (0); -+ -+ /* Fatal errors stop here. */ -+ if (ISSET(FTS_STOP)) -+ return (NULL); -+ -+ /* Return logical hierarchy of user's arguments. */ -+ if (p->fts_info == FTS_INIT) -+ return (p->fts_link); -+ -+ /* -+ * If not a directory being visited in pre-order, stop here. Could -+ * allow FTS_DNR, assuming the user has fixed the problem, but the -+ * same effect is available with FTS_AGAIN. -+ */ -+ if (p->fts_info != FTS_D /* && p->fts_info != FTS_DNR */) -+ return (NULL); -+ -+ /* Free up any previous child list. */ -+ if (sp->fts_child != NULL) -+ fts_lfree(sp->fts_child); -+ -+ if (instr == FTS_NAMEONLY) { -+ SET(FTS_NAMEONLY); -+ instr = BNAMES; -+ } else -+ instr = BCHILD; -+ -+ /* -+ * If using chdir on a relative path and called BEFORE fts_read does -+ * its chdir to the root of a traversal, we can lose -- we need to -+ * chdir into the subdirectory, and we don't know where the current -+ * directory is, so we can't get back so that the upcoming chdir by -+ * fts_read will work. -+ */ -+ if (p->fts_level != FTS_ROOTLEVEL || p->fts_accpath[0] == '/' || -+ ISSET(FTS_NOCHDIR)) -+ return (sp->fts_child = fts_build(sp, instr)); -+ -+ if ((fd = open(".", O_RDONLY, 0)) < 0) -+ return (NULL); -+ sp->fts_child = fts_build(sp, instr); -+ if (fchdir(fd)) -+ return (NULL); -+ (void)close(fd); -+ return (sp->fts_child); -+} -+ -+/* -+ * This is the tricky part -- do not casually change *anything* in here. The -+ * idea is to build the linked list of entries that are used by fts_children -+ * and fts_read. There are lots of special cases. -+ * -+ * The real slowdown in walking the tree is the stat calls. If FTS_NOSTAT is -+ * set and it's a physical walk (so that symbolic links can't be directories), -+ * we can do things quickly. First, if it's a 4.4BSD file system, the type -+ * of the file is in the directory entry. Otherwise, we assume that the number -+ * of subdirectories in a node is equal to the number of links to the parent. -+ * The former skips all stat calls. The latter skips stat calls in any leaf -+ * directories and for any files after the subdirectories in the directory have -+ * been found, cutting the stat calls by about 2/3. -+ */ -+static FTSENT * -+internal_function -+fts_build(sp, type) -+ register FTS *sp; -+ int type; -+{ -+ register struct dirent *dp; -+ register FTSENT *p, *head; -+ register int nitems; -+ FTSENT *cur, *tail; -+ DIR *dirp; -+ void *oldaddr; -+ int cderrno, descend, len, level, nlinks, saved_errno, -+ nostat, doadjust; -+ size_t maxlen; -+ char *cp; -+ -+ /* Set current node pointer. */ -+ cur = sp->fts_cur; -+ -+ /* -+ * Open the directory for reading. If this fails, we're done. -+ * If being called from fts_read, set the fts_info field. -+ */ -+#if defined FTS_WHITEOUT && 0 -+ if (ISSET(FTS_WHITEOUT)) -+ oflag = DTF_NODUP|DTF_REWIND; -+ else -+ oflag = DTF_HIDEW|DTF_NODUP|DTF_REWIND; -+#else -+# define opendir2(path, flag) opendir(path) -+#endif -+ if ((dirp = opendir2(cur->fts_accpath, oflag)) == NULL) { -+ if (type == BREAD) { -+ cur->fts_info = FTS_DNR; -+ cur->fts_errno = errno; -+ } -+ return (NULL); -+ } -+ -+ /* -+ * Nlinks is the number of possible entries of type directory in the -+ * directory if we're cheating on stat calls, 0 if we're not doing -+ * any stat calls at all, -1 if we're doing stats on everything. -+ */ -+ if (type == BNAMES) { -+ nlinks = 0; -+ /* Be quiet about nostat, GCC. */ -+ nostat = 0; -+ } else if (ISSET(FTS_NOSTAT) && ISSET(FTS_PHYSICAL)) { -+ nlinks = cur->fts_nlink - (ISSET(FTS_SEEDOT) ? 0 : 2); -+ nostat = 1; -+ } else { -+ nlinks = -1; -+ nostat = 0; -+ } -+ -+#ifdef notdef -+ (void)printf("nlinks == %d (cur: %d)\n", nlinks, cur->fts_nlink); -+ (void)printf("NOSTAT %d PHYSICAL %d SEEDOT %d\n", -+ ISSET(FTS_NOSTAT), ISSET(FTS_PHYSICAL), ISSET(FTS_SEEDOT)); -+#endif -+ /* -+ * If we're going to need to stat anything or we want to descend -+ * and stay in the directory, chdir. If this fails we keep going, -+ * but set a flag so we don't chdir after the post-order visit. -+ * We won't be able to stat anything, but we can still return the -+ * names themselves. Note, that since fts_read won't be able to -+ * chdir into the directory, it will have to return different path -+ * names than before, i.e. "a/b" instead of "b". Since the node -+ * has already been visited in pre-order, have to wait until the -+ * post-order visit to return the error. There is a special case -+ * here, if there was nothing to stat then it's not an error to -+ * not be able to stat. This is all fairly nasty. If a program -+ * needed sorted entries or stat information, they had better be -+ * checking FTS_NS on the returned nodes. -+ */ -+ cderrno = 0; -+ if (nlinks || type == BREAD) { -+ if (fts_safe_changedir(sp, cur, dirfd(dirp), NULL)) { -+ if (nlinks && type == BREAD) -+ cur->fts_errno = errno; -+ cur->fts_flags |= FTS_DONTCHDIR; -+ descend = 0; -+ cderrno = errno; -+ (void)closedir(dirp); -+ dirp = NULL; -+ } else -+ descend = 1; -+ } else -+ descend = 0; -+ -+ /* -+ * Figure out the max file name length that can be stored in the -+ * current path -- the inner loop allocates more path as necessary. -+ * We really wouldn't have to do the maxlen calculations here, we -+ * could do them in fts_read before returning the path, but it's a -+ * lot easier here since the length is part of the dirent structure. -+ * -+ * If not changing directories set a pointer so that can just append -+ * each new name into the path. -+ */ -+ len = NAPPEND(cur); -+ if (ISSET(FTS_NOCHDIR)) { -+ cp = sp->fts_path + len; -+ *cp++ = '/'; -+ } else { -+ /* GCC, you're too verbose. */ -+ cp = NULL; -+ } -+ len++; -+ maxlen = sp->fts_pathlen - len; -+ -+ level = cur->fts_level + 1; -+ -+ /* Read the directory, attaching each entry to the `link' pointer. */ -+ doadjust = 0; -+ for (head = tail = NULL, nitems = 0; dirp && (dp = readdir(dirp));) { -+ if (!ISSET(FTS_SEEDOT) && ISDOT(dp->d_name)) -+ continue; -+ -+ if ((p = fts_alloc(sp, dp->d_name, _D_EXACT_NAMLEN (dp))) == NULL) -+ goto mem1; -+ if (_D_EXACT_NAMLEN (dp) >= maxlen) {/* include space for NUL */ -+ oldaddr = sp->fts_path; -+ if (fts_palloc(sp, _D_EXACT_NAMLEN (dp) + len + 1)) { -+ /* -+ * No more memory for path or structures. Save -+ * errno, free up the current structure and the -+ * structures already allocated. -+ */ -+mem1: saved_errno = errno; -+ free(p); -+ fts_lfree(head); -+ (void)closedir(dirp); -+ cur->fts_info = FTS_ERR; -+ SET(FTS_STOP); -+ __set_errno (saved_errno); -+ return (NULL); -+ } -+ /* Did realloc() change the pointer? */ -+ if (oldaddr != sp->fts_path) { -+ doadjust = 1; -+ if (ISSET(FTS_NOCHDIR)) -+ cp = sp->fts_path + len; -+ } -+ maxlen = sp->fts_pathlen - len; -+ } -+ -+ if (len + _D_EXACT_NAMLEN (dp) >= USHRT_MAX) { -+ /* -+ * In an FTSENT, fts_pathlen is a u_short so it is -+ * possible to wraparound here. If we do, free up -+ * the current structure and the structures already -+ * allocated, then error out with ENAMETOOLONG. -+ */ -+ free(p); -+ fts_lfree(head); -+ (void)closedir(dirp); -+ cur->fts_info = FTS_ERR; -+ SET(FTS_STOP); -+ __set_errno (ENAMETOOLONG); -+ return (NULL); -+ } -+ p->fts_level = level; -+ p->fts_parent = sp->fts_cur; -+ p->fts_pathlen = len + _D_EXACT_NAMLEN (dp); -+ -+#if defined FTS_WHITEOUT && 0 -+ if (dp->d_type == DT_WHT) -+ p->fts_flags |= FTS_ISW; -+#endif -+ -+#if 0 -+ /* Unreachable code. cderrno is only ever set to a nonnull -+ value if dirp is closed at the same time. But then we -+ cannot enter this loop. */ -+ if (cderrno) { -+ if (nlinks) { -+ p->fts_info = FTS_NS; -+ p->fts_errno = cderrno; -+ } else -+ p->fts_info = FTS_NSOK; -+ p->fts_accpath = cur->fts_accpath; -+ } else -+#endif -+ if (nlinks == 0 -+#if defined DT_DIR && defined _DIRENT_HAVE_D_TYPE -+ || (nostat && -+ dp->d_type != DT_DIR && dp->d_type != DT_UNKNOWN) -+#endif -+ ) { -+ p->fts_accpath = -+ ISSET(FTS_NOCHDIR) ? p->fts_path : p->fts_name; -+ p->fts_info = FTS_NSOK; -+ } else { -+ /* Build a file name for fts_stat to stat. */ -+ if (ISSET(FTS_NOCHDIR)) { -+ p->fts_accpath = p->fts_path; -+ memmove(cp, p->fts_name, p->fts_namelen + 1); -+ } else -+ p->fts_accpath = p->fts_name; -+ /* Stat it. */ -+ p->fts_info = fts_stat(sp, p, 0); -+ -+ /* Decrement link count if applicable. */ -+ if (nlinks > 0 && (p->fts_info == FTS_D || -+ p->fts_info == FTS_DC || p->fts_info == FTS_DOT)) -+ --nlinks; -+ } -+ -+ /* We walk in directory order so "ls -f" doesn't get upset. */ -+ p->fts_link = NULL; -+ if (head == NULL) -+ head = tail = p; -+ else { -+ tail->fts_link = p; -+ tail = p; -+ } -+ ++nitems; -+ } -+ if (dirp) -+ (void)closedir(dirp); -+ -+ /* -+ * If realloc() changed the address of the path, adjust the -+ * addresses for the rest of the tree and the dir list. -+ */ -+ if (doadjust) -+ fts_padjust(sp, head); -+ -+ /* -+ * If not changing directories, reset the path back to original -+ * state. -+ */ -+ if (ISSET(FTS_NOCHDIR)) { -+ if (len == sp->fts_pathlen || nitems == 0) -+ --cp; -+ *cp = '\0'; -+ } -+ -+ /* -+ * If descended after called from fts_children or after called from -+ * fts_read and nothing found, get back. At the root level we use -+ * the saved fd; if one of fts_open()'s arguments is a relative path -+ * to an empty directory, we wind up here with no other way back. If -+ * can't get back, we're done. -+ */ -+ if (descend && (type == BCHILD || !nitems) && -+ (cur->fts_level == FTS_ROOTLEVEL ? -+ FCHDIR(sp, sp->fts_rfd) : -+ fts_safe_changedir(sp, cur->fts_parent, -1, ".."))) { -+ cur->fts_info = FTS_ERR; -+ SET(FTS_STOP); -+ fts_lfree(head); -+ return (NULL); -+ } -+ -+ /* If didn't find anything, return NULL. */ -+ if (!nitems) { -+ if (type == BREAD) -+ cur->fts_info = FTS_DP; -+ fts_lfree(head); -+ return (NULL); -+ } -+ -+ /* Sort the entries. */ -+ if (sp->fts_compar && nitems > 1) -+ head = fts_sort(sp, head, nitems); -+ return (head); -+} -+ -+static u_short -+internal_function -+fts_stat(sp, p, follow) -+ FTS *sp; -+ register FTSENT *p; -+ int follow; -+{ -+ register FTSENT *t; -+ register dev_t dev; -+ register ino_t ino; -+ struct stat *sbp, sb; -+ int saved_errno; -+ -+ /* If user needs stat info, stat buffer already allocated. */ -+ sbp = ISSET(FTS_NOSTAT) ? &sb : p->fts_statp; -+ -+#if defined FTS_WHITEOUT && 0 -+ /* check for whiteout */ -+ if (p->fts_flags & FTS_ISW) { -+ if (sbp != &sb) { -+ memset(sbp, '\0', sizeof (*sbp)); -+ sbp->st_mode = S_IFWHT; -+ } -+ return (FTS_W); -+ } -+#endif -+ -+ /* -+ * If doing a logical walk, or application requested FTS_FOLLOW, do -+ * a stat(2). If that fails, check for a non-existent symlink. If -+ * fail, set the errno from the stat call. -+ */ -+ if (ISSET(FTS_LOGICAL) || follow) { -+ if (stat(p->fts_accpath, sbp)) { -+ saved_errno = errno; -+ if (!lstat(p->fts_accpath, sbp)) { -+ __set_errno (0); -+ return (FTS_SLNONE); -+ } -+ p->fts_errno = saved_errno; -+ goto err; -+ } -+ } else if (lstat(p->fts_accpath, sbp)) { -+ p->fts_errno = errno; -+err: memset(sbp, 0, sizeof(struct stat)); -+ return (FTS_NS); -+ } -+ -+ if (S_ISDIR(sbp->st_mode)) { -+ /* -+ * Set the device/inode. Used to find cycles and check for -+ * crossing mount points. Also remember the link count, used -+ * in fts_build to limit the number of stat calls. It is -+ * understood that these fields are only referenced if fts_info -+ * is set to FTS_D. -+ */ -+ dev = p->fts_dev = sbp->st_dev; -+ ino = p->fts_ino = sbp->st_ino; -+ p->fts_nlink = sbp->st_nlink; -+ -+ if (ISDOT(p->fts_name)) -+ return (FTS_DOT); -+ -+ /* -+ * Cycle detection is done by brute force when the directory -+ * is first encountered. If the tree gets deep enough or the -+ * number of symbolic links to directories is high enough, -+ * something faster might be worthwhile. -+ */ -+ for (t = p->fts_parent; -+ t->fts_level >= FTS_ROOTLEVEL; t = t->fts_parent) -+ if (ino == t->fts_ino && dev == t->fts_dev) { -+ p->fts_cycle = t; -+ return (FTS_DC); -+ } -+ return (FTS_D); -+ } -+ if (S_ISLNK(sbp->st_mode)) -+ return (FTS_SL); -+ if (S_ISREG(sbp->st_mode)) -+ return (FTS_F); -+ return (FTS_DEFAULT); -+} -+ -+static FTSENT * -+internal_function -+fts_sort(sp, head, nitems) -+ FTS *sp; -+ FTSENT *head; -+ register int nitems; -+{ -+ register FTSENT **ap, *p; -+ -+ /* -+ * Construct an array of pointers to the structures and call qsort(3). -+ * Reassemble the array in the order returned by qsort. If unable to -+ * sort for memory reasons, return the directory entries in their -+ * current order. Allocate enough space for the current needs plus -+ * 40 so don't realloc one entry at a time. -+ */ -+ if (nitems > sp->fts_nitems) { -+ struct _ftsent **a; -+ -+ sp->fts_nitems = nitems + 40; -+ if ((a = realloc(sp->fts_array, -+ (size_t)(sp->fts_nitems * sizeof(FTSENT *)))) == NULL) { -+ free(sp->fts_array); -+ sp->fts_array = NULL; -+ sp->fts_nitems = 0; -+ return (head); -+ } -+ sp->fts_array = a; -+ } -+ for (ap = sp->fts_array, p = head; p; p = p->fts_link) -+ *ap++ = p; -+ qsort((void *)sp->fts_array, nitems, sizeof(FTSENT *), sp->fts_compar); -+ for (head = *(ap = sp->fts_array); --nitems; ++ap) -+ ap[0]->fts_link = ap[1]; -+ ap[0]->fts_link = NULL; -+ return (head); -+} -+ -+static FTSENT * -+internal_function -+fts_alloc(sp, name, namelen) -+ FTS *sp; -+ const char *name; -+ size_t namelen; -+{ -+ register FTSENT *p; -+ size_t len; -+ -+ /* -+ * The file name is a variable length array and no stat structure is -+ * necessary if the user has set the nostat bit. Allocate the FTSENT -+ * structure, the file name and the stat structure in one chunk, but -+ * be careful that the stat structure is reasonably aligned. Since the -+ * fts_name field is declared to be of size 1, the fts_name pointer is -+ * namelen + 2 before the first possible address of the stat structure. -+ */ -+ len = sizeof(FTSENT) + namelen; -+ if (!ISSET(FTS_NOSTAT)) -+ len += sizeof(struct stat) + ALIGNBYTES; -+ if ((p = malloc(len)) == NULL) -+ return (NULL); -+ -+ /* Copy the name and guarantee NUL termination. */ -+ memmove(p->fts_name, name, namelen); -+ p->fts_name[namelen] = '\0'; -+ -+ if (!ISSET(FTS_NOSTAT)) -+ p->fts_statp = (struct stat *)ALIGN(p->fts_name + namelen + 2); -+ p->fts_namelen = namelen; -+ p->fts_path = sp->fts_path; -+ p->fts_errno = 0; -+ p->fts_flags = 0; -+ p->fts_instr = FTS_NOINSTR; -+ p->fts_number = 0; -+ p->fts_pointer = NULL; -+ return (p); -+} -+ -+static void -+internal_function -+fts_lfree(head) -+ register FTSENT *head; -+{ -+ register FTSENT *p; -+ -+ /* Free a linked list of structures. */ -+ while ((p = head)) { -+ head = head->fts_link; -+ free(p); -+ } -+} -+ -+/* -+ * Allow essentially unlimited paths; find, rm, ls should all work on any tree. -+ * Most systems will allow creation of paths much longer than MAXPATHLEN, even -+ * though the kernel won't resolve them. Add the size (not just what's needed) -+ * plus 256 bytes so don't realloc the path 2 bytes at a time. -+ */ -+static int -+internal_function -+fts_palloc(sp, more) -+ FTS *sp; -+ size_t more; -+{ -+ char *p; -+ -+ sp->fts_pathlen += more + 256; -+ /* -+ * Check for possible wraparound. In an FTS, fts_pathlen is -+ * a signed int but in an FTSENT it is an unsigned short. -+ * We limit fts_pathlen to USHRT_MAX to be safe in both cases. -+ */ -+ if (sp->fts_pathlen < 0 || sp->fts_pathlen >= USHRT_MAX) { -+ free(sp->fts_path); -+ sp->fts_path = NULL; -+ __set_errno (ENAMETOOLONG); -+ return (1); -+ } -+ p = realloc(sp->fts_path, sp->fts_pathlen); -+ if (p == NULL) { -+ free(sp->fts_path); -+ sp->fts_path = NULL; -+ return 1; -+ } -+ sp->fts_path = p; -+ return 0; -+} -+ -+/* -+ * When the path is realloc'd, have to fix all of the pointers in structures -+ * already returned. -+ */ -+static void -+internal_function -+fts_padjust(sp, head) -+ FTS *sp; -+ FTSENT *head; -+{ -+ FTSENT *p; -+ char *addr = sp->fts_path; -+ -+#define ADJUST(p) do { \ -+ if ((p)->fts_accpath != (p)->fts_name) { \ -+ (p)->fts_accpath = \ -+ (char *)addr + ((p)->fts_accpath - (p)->fts_path); \ -+ } \ -+ (p)->fts_path = addr; \ -+} while (0) -+ /* Adjust the current set of children. */ -+ for (p = sp->fts_child; p; p = p->fts_link) -+ ADJUST(p); -+ -+ /* Adjust the rest of the tree, including the current level. */ -+ for (p = head; p->fts_level >= FTS_ROOTLEVEL;) { -+ ADJUST(p); -+ p = p->fts_link ? p->fts_link : p->fts_parent; -+ } -+} -+ -+static size_t -+internal_function -+fts_maxarglen(argv) -+ char * const *argv; -+{ -+ size_t len, max; -+ -+ for (max = 0; *argv; ++argv) -+ if ((len = strlen(*argv)) > max) -+ max = len; -+ return (max + 1); -+} -+ -+/* -+ * Change to dir specified by fd or p->fts_accpath without getting -+ * tricked by someone changing the world out from underneath us. -+ * Assumes p->fts_dev and p->fts_ino are filled in. -+ */ -+static int -+internal_function -+fts_safe_changedir(sp, p, fd, path) -+ FTS *sp; -+ FTSENT *p; -+ int fd; -+ const char *path; -+{ -+ int ret, oerrno, newfd; -+ struct stat64 sb; -+ -+ newfd = fd; -+ if (ISSET(FTS_NOCHDIR)) -+ return (0); -+ if (fd < 0 && (newfd = open(path, O_RDONLY, 0)) < 0) -+ return (-1); -+ if (fstat64(newfd, &sb)) { -+ ret = -1; -+ goto bail; -+ } -+ if (p->fts_dev != sb.st_dev || p->fts_ino != sb.st_ino) { -+ __set_errno (ENOENT); /* disinformation */ -+ ret = -1; -+ goto bail; -+ } -+ ret = fchdir(newfd); -+bail: -+ oerrno = errno; -+ if (fd < 0) -+ (void)close(newfd); -+ __set_errno (oerrno); -+ return (ret); -+} --- -cgit v0.9.0.1-2-gef13 - |