aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDJ Delorie <dj@redhat.com>2005-03-01 14:33:00 +0000
committerDJ Delorie <dj@redhat.com>2005-03-01 14:33:00 +0000
commit190eb1370b7b7e8f608294d3b03d315a70761601 (patch)
tree37806f8b633b53cbe07602bf75339f97c66df14a
parentc7f17d462ad0bfb2000a471df97af0b2f5023081 (diff)
downloadgdb-190eb1370b7b7e8f608294d3b03d315a70761601.zip
gdb-190eb1370b7b7e8f608294d3b03d315a70761601.tar.gz
gdb-190eb1370b7b7e8f608294d3b03d315a70761601.tar.bz2
merge from gcc
-rw-r--r--include/ChangeLog4
-rw-r--r--include/libiberty.h4
-rw-r--r--libiberty/ChangeLog7
-rw-r--r--libiberty/Makefile.in9
-rw-r--r--libiberty/unlink-if-ordinary.c71
5 files changed, 95 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 90e1d6f..d45c62a 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2005-03-01 Jan Beulich <jbeulich@novell.com>
+
+ * libiberty.h: Declare unlink_if_ordinary.
+
2005-02-21 Alan Modra <amodra@bigpond.net.au>
* xtensa-isa-internal.h (xtensa_length_decode_fn): Warning fix.
diff --git a/include/libiberty.h b/include/libiberty.h
index c9f480a..4df8140 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -163,6 +163,10 @@ extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC;
extern char *make_temp_file PARAMS ((const char *)) ATTRIBUTE_MALLOC;
+/* Remove a link to a file unless it is special. */
+
+extern int unlink_if_ordinary PARAMS((const char *));
+
/* Allocate memory filled with spaces. Allocates using malloc. */
extern const char *spaces PARAMS ((int count));
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index fc8040b..6cf88d2 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,10 @@
+2005-03-01 Jan Beulich <jbeulich@novell.com>
+
+ * Makefile.in (CFILES): Add unlink-if-ordinary.c
+ (REQUIRED_OFILES): Add unlink-if-ordinary.o.
+ Add dependencies and rule for unlink-if-ordinary.o.
+ * unlink-if-ordinary.c: New.
+
2005-03-01 Ben Elliston <bje@au.ibm.com>
* hashtab.c (htab_find_slot_with_hash): Make function
diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in
index ffa4ba5..3a2b20b 100644
--- a/libiberty/Makefile.in
+++ b/libiberty/Makefile.in
@@ -151,6 +151,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
strerror.c strncasecmp.c strncmp.c strrchr.c strsignal.c \
strstr.c strtod.c strtol.c strtoul.c \
ternary.c tmpnam.c \
+ unlink-if-ordinary.c \
vasprintf.c vfork.c vfprintf.c vprintf.c vsnprintf.c vsprintf.c \
waitpid.c \
xatexit.c xexit.c xmalloc.c xmemdup.c xstrdup.c xstrerror.c
@@ -171,6 +172,7 @@ REQUIRED_OFILES = ./regex.o ./cplus-dem.o ./cp-demangle.o ./md5.o \
./safe-ctype.o ./sort.o ./spaces.o ./splay-tree.o ./strerror.o \
./strsignal.o \
./ternary.o \
+ ./unlink-if-ordinary.o \
./xatexit.o ./xexit.o ./xmalloc.o ./xmemdup.o ./xstrdup.o \
./xstrerror.o
@@ -973,6 +975,13 @@ $(CONFIGURED_OFILES): stamp-picdir
else true; fi
$(COMPILE.c) $(srcdir)/tmpnam.c $(OUTPUT_OPTION)
+./unlink-if-ordinary.o: $(srcdir)/unlink-if-ordinary.c config.h $(INCDIR)/ansidecl.h \
+ $(INCDIR)/libiberty.h
+ if [ x"$(PICFLAG)" != x ]; then \
+ $(COMPILE.c) $(PICFLAG) $(srcdir)/unlink-if-ordinary.c -o pic/$@; \
+ else true; fi
+ $(COMPILE.c) $(srcdir)/unlink-if-ordinary.c $(OUTPUT_OPTION)
+
./vasprintf.o: $(srcdir)/vasprintf.c config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/libiberty.h
if [ x"$(PICFLAG)" != x ]; then \
diff --git a/libiberty/unlink-if-ordinary.c b/libiberty/unlink-if-ordinary.c
new file mode 100644
index 0000000..297b14b
--- /dev/null
+++ b/libiberty/unlink-if-ordinary.c
@@ -0,0 +1,71 @@
+/* unlink-if-ordinary.c - remove link to a file unless it is special
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of the libiberty library. This library is free
+software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+/*
+
+@deftypefn Supplemental int unlink_if_ordinary (const char*)
+
+Unlinks the named file, unless it is special (e.g. a device file).
+Returns 0 when the file was unlinked, a negative value (and errno set) when
+there was an error deleting the file, and a positive value if no attempt
+was made to unlink the file because it is special.
+
+@end deftypefn
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#include "libiberty.h"
+
+#ifndef S_ISLNK
+#ifdef S_IFLNK
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#else
+#define S_ISLNK(m) 0
+#define lstat stat
+#endif
+#endif
+
+int
+unlink_if_ordinary (name)
+ const char *name;
+{
+ struct stat st;
+
+ if (lstat (name, &st) == 0
+ && (S_ISREG (st.st_mode) || S_ISLNK (st.st_mode)))
+ return unlink (name);
+
+ return 1;
+}