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authorDJ Delorie <dj@redhat.com>2007-03-29 21:03:48 +0000
committerDJ Delorie <dj@redhat.com>2007-03-29 21:03:48 +0000
commit9c577e8950071038688208bdf50283836d251c28 (patch)
treedf3a21dba86315b5ebde37eb98c202585533b4f9 /libiberty
parent483367eebc8c51366968b17df2fc9ce93b95895f (diff)
downloadgdb-9c577e8950071038688208bdf50283836d251c28.zip
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merge from gcc
Diffstat (limited to 'libiberty')
-rw-r--r--libiberty/ChangeLog8
-rw-r--r--libiberty/Makefile.in16
-rw-r--r--libiberty/filename_cmp.c73
-rw-r--r--libiberty/functions.texi16
4 files changed, 108 insertions, 5 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 5c2f527..006c354 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,11 @@
+2007-03-29 Joel Brobecker <brobecker@adacore.com>
+
+ * filename_cmp.c: New file.
+ * Makefile.in (CFILES): Add filename_cmp.c.
+ (REQUIRED_OFILES): Add filename_cmp.o
+ (filename_cmp.o): New rule.
+ * functions.texi: Regenerate.
+
2007-03-15 Geoffrey Keating <geoffk@apple.com>
* cp-demangle.c (d_encoding): Exit early on error.
diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in
index 90686f0..4f5e215 100644
--- a/libiberty/Makefile.in
+++ b/libiberty/Makefile.in
@@ -1,6 +1,6 @@
#
# Makefile
-# Copyright (C) 1990, 91-99, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+# Copyright (C) 1990, 91-99, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
# Free Software Foundation
#
# This file is part of the libiberty library.
@@ -131,8 +131,8 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
calloc.c choose-temp.c clock.c concat.c cp-demangle.c \
cp-demint.c cplus-dem.c \
dyn-string.c \
- fdmatch.c ffs.c fibheap.c floatformat.c fnmatch.c \
- fopen_unlocked.c \
+ fdmatch.c ffs.c fibheap.c filename_cmp.c floatformat.c \
+ fnmatch.c fopen_unlocked.c \
getcwd.c getopt.c getopt1.c getpagesize.c getpwd.c getruntime.c \
gettimeofday.c \
hashtab.c hex.c \
@@ -165,8 +165,8 @@ REQUIRED_OFILES = ./regex.o ./cplus-dem.o ./cp-demangle.o ./md5.o \
./alloca.o ./argv.o \
./choose-temp.o ./concat.o ./cp-demint.o \
./dyn-string.o \
- ./fdmatch.o ./fibheap.o ./floatformat.o ./fnmatch.o \
- ./fopen_unlocked.o \
+ ./fdmatch.o ./fibheap.o ./filename_cmp.o ./floatformat.o \
+ ./fnmatch.o ./fopen_unlocked.o \
./getopt.o ./getopt1.o ./getpwd.o ./getruntime.o \
./hashtab.o ./hex.o \
./lbasename.o ./lrealpath.o \
@@ -651,6 +651,12 @@ $(CONFIGURED_OFILES): stamp-picdir
else true; fi
$(COMPILE.c) $(srcdir)/fibheap.c $(OUTPUT_OPTION)
+./filename_cmp.o: $(srcdir)/filename_cmp.c $(INCDIR)/filenames.h
+ if [ x"$(PICFLAG)" != x ]; then \
+ $(COMPILE.c) $(PICFLAG) $(srcdir)/filename_cmp.c -o pic/$@; \
+ else true; fi
+ $(COMPILE.c) $(srcdir)/filename_cmp.c $(OUTPUT_OPTION)
+
./floatformat.o: $(srcdir)/floatformat.c config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/floatformat.h $(INCDIR)/libiberty.h
if [ x"$(PICFLAG)" != x ]; then \
diff --git a/libiberty/filename_cmp.c b/libiberty/filename_cmp.c
new file mode 100644
index 0000000..5e12c82
--- /dev/null
+++ b/libiberty/filename_cmp.c
@@ -0,0 +1,73 @@
+/* File name comparison routine.
+
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program 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 program 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 this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include <ctype.h>
+#include "filenames.h"
+
+/*
+
+@deftypefn Extension int filename_cmp (const char *@var{s1}, const char *@var{s2})
+
+Return zero if the two paths @var{s1} and @var{s2} are equivalent.
+If not equivalent, the returned value is similar to what strcmp would
+return. In other words, it returns a negative value if @var{s1} is less
+than @var{s2}, or a positive value if @var{s2} is greater than @var{s2}.
+
+This function does not normalize path names. As a result, this function
+will treat filenames that are spelled differently as different even in
+the case when the two filenames point to the same underlying file.
+However, it does handle the fact that on DOS-like file systems, forward
+and backward slashes are equal.
+
+@end deftypefn
+
+*/
+
+int
+filename_cmp (const char *s1, const char *s2)
+{
+#ifndef HAVE_DOS_BASED_FILE_SYSTEM
+ return strcmp(s1, s2);
+#else
+ for (;;)
+ {
+ int c1 = tolower (*s1);
+ int c2 = tolower (*s2);
+
+ /* On DOS-based file systems, the '/' and the '\' are equivalent. */
+ if (c1 == '/')
+ c1 = '\\';
+ if (c2 == '/')
+ c2 = '\\';
+
+ if (c1 != c2)
+ return (c1 - c2);
+
+ if (c1 == '\0')
+ return 0;
+
+ s1++;
+ s2++;
+ }
+#endif
+}
+
diff --git a/libiberty/functions.texi b/libiberty/functions.texi
index 9f49ff4..fd3e8e7 100644
--- a/libiberty/functions.texi
+++ b/libiberty/functions.texi
@@ -268,6 +268,22 @@ value 1). If @var{valu} is zero, zero is returned.
@end deftypefn
+@c filename_cmp.c:28
+@deftypefn Extension int filename_cmp (const char *@var{s1}, const char *@var{s2})
+
+Return zero if the two paths @var{s1} and @var{s2} are equivalent.
+If not equivalent, the returned value is similar to what strcmp would
+return. In other words, it returns a negative value if @var{s1} is less
+than @var{s2}, or a positive value if @var{s2} is greater than @var{s2}.
+
+This function does not normalize path names. As a result, this function
+will treat filenames that are spelled differently as different even in
+the case when the two filenames point to the same underlying file.
+However, it does handle the fact that on DOS-like file systems, forward
+and backward slashes are equal.
+
+@end deftypefn
+
@c fnmatch.txh:1
@deftypefn Replacement int fnmatch (const char *@var{pattern}, const char *@var{string}, int @var{flags})