Initial revision

INSTALL

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+This is a generic INSTALL file for utilities distributions.
+If this package does not come with, e.g., installable documentation or
+data files, please ignore the references to them below.
+
+To compile this package:
+
+1.  Configure the package for your system.  In the directory that this
+file is in, type `./configure'.  If you're using `csh' on an old
+version of System V, you might need to type `sh configure' instead to
+prevent `csh' from trying to execute `configure' itself.
+
+The `configure' shell script attempts to guess correct values for
+various system-dependent variables used during compilation, and
+creates the Makefile(s) (one in each subdirectory of the source
+directory).  In some packages it creates a C header file containing
+system-dependent definitions.  It also creates a file `config.status'
+that you can run in the future to recreate the current configuration.
+
+Running `configure' takes a minute or two.  While it is running, it
+prints some messages that tell what it is doing.  If you don't want to
+see the messages, run `configure' with its standard output redirected
+to `/dev/null'; for example, `./configure >/dev/null'.
+
+To compile the package in a different directory from the one
+containing the source code, you must use a version of make that
+supports the VPATH variable, such as GNU make.  `cd' to the directory
+where you want the object files and executables to go and run
+`configure'.  `configure' automatically checks for the source code in
+the directory that `configure' is in and in `..'.  If for some reason
+`configure' is not in the source code directory that you are
+configuring, then it will report that it can't find the source code.
+In that case, run `configure' with the option `--srcdir=DIR', where
+DIR is the directory that contains the source code.
+
+By default, `make install' will install the package's files in
+/usr/local/bin, /usr/local/lib, /usr/local/man, etc.  You can specify
+an installation prefix other than /usr/local by giving `configure' the
+option `--prefix=PATH'.  Alternately, you can do so by giving a value
+for the `prefix' variable when you run `make', e.g.,
+	make prefix=/usr/gnu
+
+You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If
+you give `configure' the option `--exec_prefix=PATH' or set the
+`make' variable `exec_prefix' to PATH, the package will use PATH as
+the prefix for installing programs and libraries.  Data files and
+documentation will still use the regular prefix.  Normally, all files
+are installed using the regular prefix.
+
+You can tell `configure' to figure out the configuration for your
+system, and record it in `config.status', without actually configuring
+the package (creating `Makefile's and perhaps a configuration header
+file).  To do this, give `configure' the `--no-create' option.  Later,
+you can run `./config.status' to actually configure the package.  This
+option is useful mainly in `Makefile' rules for updating `config.status'
+and `Makefile'.  You can also give `config.status' the `--recheck'
+option, which makes it re-run `configure' with the same arguments you
+used before.  This is useful if you change `configure'.
+
+`configure' ignores any other arguments that you give it.
+
+If your system requires unusual options for compilation or linking
+that `configure' doesn't know about, you can give `configure' initial
+values for some variables by setting them in the environment.  In
+Bourne-compatible shells, you can do that on the command line like
+this:
+	CC='gcc -traditional' DEFS=-D_POSIX_SOURCE ./configure
+
+The `make' variables that you might want to override with environment
+variables when running `configure' are:
+
+(For these variables, any value given in the environment overrides the
+value that `configure' would choose:)
+CC		C compiler program.
+		Default is `cc', or `gcc' if `gcc' is in your PATH.
+INSTALL		Program to use to install files.
+		Default is `install' if you have it, `cp' otherwise.
+
+(For these variables, any value given in the environment is added to
+the value that `configure' chooses:)
+DEFS		Configuration options, in the form `-Dfoo -Dbar ...'
+LIBS		Libraries to link with, in the form `-lfoo -lbar ...'
+
+If you need to do unusual things to compile the package, we encourage
+you to figure out how `configure' could check whether to do them, and
+mail diffs or instructions to the address given in the README so we
+can include them in the next release.
+
+2.  Type `make' to compile the package.  If you want, you can override
+the `make' variables CFLAGS and LDFLAGS like this:
+
+	make CFLAGS=-O2 LDFLAGS=-s
+
+3.  If the package comes with self-tests and you want to run them,
+type `make check'.  If you're not sure whether there are any, try it;
+if `make' responds with something like
+	make: *** No way to make target `check'.  Stop.
+then the package does not come with self-tests.
+
+4.  Type `make install' to install programs, data files, and
+documentation.
+
+5.  You can remove the program binaries and object files from the
+source directory by typing `make clean'.  To also remove the
+Makefile(s), the header file containing system-dependent definitions
+(if the package uses one), and `config.status' (all the files that
+`configure' created), type `make distclean'.
+
+The file `configure.in' is used as a template to create `configure' by
+a program called `autoconf'.  You will only need it if you want to
+regenerate `configure' using a newer version of `autoconf'.

lib/Makefile.in

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+# Makefile for library files used by GNU fileutils.
+# Do not use this makefile directly, but only from `../Makefile'.
+# Copyright (C) 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+SHELL = /bin/sh
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+
+SOURCES = argmatch.c backupfile.c basename.c dirname.c eaccess.c \
+error.c filemode.c fsusage.c getopt.c getopt1.c \
+getversion.c idcache.c isdir.c makepath.c \
+modechange.c mountlist.c savedir.c \
+stripslash.c xgetcwd.c xmalloc.c xstrdup.c userspec.c yesno.c \
+getdate.y posixtm.y \
+fileblocks.c fnmatch.c ftruncate.c mkdir.c mktime.c rename.c stpcpy.c \
+strdup.c strstr.c alloca.c
+
+OBJECTS = argmatch.o backupfile.o basename.o dirname.o eaccess.o \
+error.o filemode.o getopt.o getopt1.o \
+getversion.o idcache.o isdir.o makepath.o \
+modechange.o savedir.o \
+stripslash.o xgetcwd.o xmalloc.o xstrdup.o userspec.o yesno.o \
+getdate.o posixtm.o @LIBOBJS@ @ALLOCA@
+
+DISTFILES = Makefile.in backupfile.h getopt.h modechange.h \
+fnmatch.h fsusage.h mountlist.h pathmax.h system.h $(SOURCES)
+
+all: libfu.a
+
+.c.o:
+	$(CC) -c $(CFLAGS) $(CPPFLAGS) $(DEFS) -I$(srcdir) $<
+
+install: all
+
+uninstall:
+
+TAGS: $(SOURCES)
+	etags $(SOURCES)
+
+clean:
+	rm -f *.a *.o
+
+mostlyclean: clean
+
+distclean: clean
+	rm -f Makefile *.tab.c getdate.c *posixtm.c
+
+realclean: distclean
+	rm -f TAGS
+
+dist:
+	ln $(DISTFILES) ../`cat ../.fname`/lib
+
+libfu.a: $(OBJECTS)
+	rm -f $@
+	$(AR) cr $@ $(OBJECTS)
+	-$(RANLIB) $@
+
+# Since this directory contains two parsers, using bison without -y
+# is the only way to reliably do a parallel make.
+getdate.c: getdate.y
+	@echo expect 9 shift/reduce conflicts
+	-bison -o getdate.c $(srcdir)/getdate.y || yacc $(srcdir)/getdate.y
+	test ! -f y.tab.c || mv y.tab.c getdate.c
+
+# Make the rename atomic, in case sed is interrupted and later rerun.
+posixtm.c: posixtm.y
+	-bison -o posixtm.tab.c $(srcdir)/posixtm.y || yacc $(srcdir)/posixtm.y
+	test ! -f y.tab.c || mv y.tab.c posixtm.tab.c
+	sed -e 's/yy/zz/g' posixtm.tab.c > tposixtm.c
+	mv tposixtm.c posixtm.c
+	rm -f posixtm.tab.c
+
+backupfile.o getversion.o: backupfile.h
+fnmatch.o: fnmatch.h
+fsusage.o: fsusage.h
+getopt1.o: getopt.h
+modechange.o: modechange.h
+mountlist.o: mountlist.h
+xgetcwd.o: pathmax.h
+
+# Prevent GNU make v3 from overflowing arg limit on SysV.
+.NOEXPORT:

lib/argmatch.c

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+/* argmatch.c -- find a match for a string in an array
+   Copyright (C) 1990 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Written by David MacKenzie <djm@ai.mit.edu> */
+
+#include <stdio.h>
+#ifdef STDC_HEADERS
+#include <string.h>
+#endif
+
+extern char *program_name;
+
+/* If ARG is an unambiguous match for an element of the
+   null-terminated array OPTLIST, return the index in OPTLIST
+   of the matched element, else -1 if it does not match any element
+   or -2 if it is ambiguous (is a prefix of more than one element).  */
+
+int
+argmatch (arg, optlist)
+     char *arg;
+     char **optlist;
+{
+  int i;			/* Temporary index in OPTLIST.  */
+  int arglen;			/* Length of ARG.  */
+  int matchind = -1;		/* Index of first nonexact match.  */
+  int ambiguous = 0;		/* If nonzero, multiple nonexact match(es).  */
+
+  arglen = strlen (arg);
+
+  /* Test all elements for either exact match or abbreviated matches.  */
+  for (i = 0; optlist[i]; i++)
+    {
+      if (!strncmp (optlist[i], arg, arglen))
+	{
+	  if (strlen (optlist[i]) == arglen)
+	    /* Exact match found.  */
+	    return i;
+	  else if (matchind == -1)
+	    /* First nonexact match found.  */
+	    matchind = i;
+	  else
+	    /* Second nonexact match found.  */
+	    ambiguous = 1;
+	}
+    }
+  if (ambiguous)
+    return -2;
+  else
+    return matchind;
+}
+
+/* Error reporting for argmatch.
+   KIND is a description of the type of entity that was being matched.
+   VALUE is the invalid value that was given.
+   PROBLEM is the return value from argmatch.  */
+
+void
+invalid_arg (kind, value, problem)
+     char *kind;
+     char *value;
+     int problem;
+{
+  fprintf (stderr, "%s: ", program_name);
+  if (problem == -1)
+    fprintf (stderr, "invalid");
+  else				/* Assume -2.  */
+    fprintf (stderr, "ambiguous");
+  fprintf (stderr, " %s `%s'\n", kind, value);
+}