* lib/strspn.c: New.

ChangeLog

@@ -1,3 +1,7 @@
+2001-08-03  Akim Demaille  <akim@epita.fr>
+
+	* lib/strspn.c: New.
+
 2001-08-01  Marc Autret  <autret_m@epita.fr>
 
 	* doc/bison.texinfo: Update.

THANKS

@@ -7,6 +7,7 @@ Hans Aberg		haberg@matematik.su.se
 Jesse Thilo  		jthilo@gnu.org
 Jim Meyering  		meyering@gnu.org
 Laurent Mascherpa	laurent.mascherpa@epita.fr
+Marc Autret             autret_m@epita.fr
 Neil Booth		NeilB@earthling.net
 Noah Friedman  		friedman@gnu.org
 Paul Eggert  		eggert@twinsun.com

aclocal.m4

@@ -527,11 +527,13 @@ fi
 # Ulrich Drepper <drepper@cygnus.com>, 1995.
 #
 # This file can be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU Public License
+# be used in projects which are not available under the GNU General Public
-# but which still want to provide support for the GNU gettext functionality.
+# License but which still want to provide support for the GNU gettext
-# Please note that the actual code is *not* freely available.
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
 
-# serial 9
+# serial 10
 
 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]).
 dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
@@ -642,14 +644,14 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
 	     AC_CHECK_FUNCS(dcgettext)
 	     LIBS="$gt_save_LIBS"
 
+	     dnl Search for GNU msgfmt in the PATH.
 	     AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-	       [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
+	       [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
-	     if test "$MSGFMT" != "no"; then
+	     AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-	       AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-	     fi
 
+	     dnl Search for GNU xgettext in the PATH.
 	     AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-	       [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+	       [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
 
 	     CATOBJEXT=.gmo
 	   fi
@@ -666,10 +668,10 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
         dnl Mark actions used to generate GNU NLS library.
         INTLOBJS="\$(GETTOBJS)"
         AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
+	  [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
         AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
         AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+	  [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
         AC_SUBST(MSGFMT)
 	BUILD_INCLUDED_LIBINTL=yes
 	USE_INCLUDED_LIBINTL=yes
@@ -678,11 +680,26 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
 	LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
       fi
 
+      dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+      dnl Test whether we really found GNU msgfmt.
+      if test "$GMSGFMT" != ":"; then
+	dnl If it is no GNU msgfmt we define it as : so that the
+	dnl Makefiles still can work.
+	if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then
+	  : ;
+	else
+	  AC_MSG_RESULT(
+	    [found msgfmt program is not GNU msgfmt; ignore it])
+	  GMSGFMT=":"
+	fi
+      fi
+
+      dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
       dnl Test whether we really found GNU xgettext.
       if test "$XGETTEXT" != ":"; then
 	dnl If it is no GNU xgettext we define it as : so that the
 	dnl Makefiles still can work.
-	if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
+	if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then
 	  : ;
 	else
 	  AC_MSG_RESULT(
@@ -706,6 +723,8 @@ return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", ""
           ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
           ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
           ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
+          # In autoconf-2.13 it is called $ac_given_srcdir.
+          # In autoconf-2.50 it is called $srcdir.
           test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
           case "$ac_given_srcdir" in
             .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
@@ -877,11 +896,13 @@ strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
 # Ulrich Drepper <drepper@cygnus.com>, 1996.
 #
 # This file can be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU Public License
+# be used in projects which are not available under the GNU General Public
-# but which still want to provide support for the GNU gettext functionality.
+# License but which still want to provide support for the GNU gettext
-# Please note that the actual code is *not* freely available.
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
 
-# serial 1
+# serial 2
 
 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
 dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
@@ -913,7 +934,7 @@ ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
   ;;
 esac])dnl
 $1="$ac_cv_path_$1"
-if test -n "[$]$1"; then
+if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
   AC_MSG_RESULT([$]$1)
 else
   AC_MSG_RESULT(no)
@@ -1040,9 +1061,11 @@ AC_DEFUN([AM_LANGINFO_CODESET],
 # Ulrich Drepper <drepper@cygnus.com>, 1995.
 #
 # This file can be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU Public License
+# be used in projects which are not available under the GNU General Public
-# but which still want to provide support for the GNU gettext functionality.
+# License but which still want to provide support for the GNU gettext
-# Please note that the actual code is *not* freely available.
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
 
 # serial 2
 

config.hin

@@ -149,6 +149,9 @@
 /* Define if you have the <stddef.h> header file. */
 #undef HAVE_STDDEF_H
 
+/* Define if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
 /* Define if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
@@ -182,12 +185,21 @@
 /* Define if you have the `strnlen' function. */
 #undef HAVE_STRNLEN
 
+/* Define if you have the `strspn' function. */
+#undef HAVE_STRSPN
+
 /* Define if you have the `strtoul' function. */
 #undef HAVE_STRTOUL
 
 /* Define if you have the <sys/param.h> header file. */
 #undef HAVE_SYS_PARAM_H
 
+/* Define if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
 /* Define if you have the `tsearch' function. */
 #undef HAVE_TSEARCH
 

configure.in

@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.50)
+AC_PREREQ(2.52)
 AC_INIT(bison, 1.28a, bug-bison@gnu.org)
 AC_CONFIG_AUX_DIR(config)
 AM_INIT_AUTOMAKE(bison, 1.28a)
@@ -63,7 +63,7 @@ AM_C_PROTOTYPES
 AC_FUNC_ALLOCA
 AC_CHECK_FUNCS(mkstemp setlocale)
 AC_CHECK_DECLS([stpcpy, strndup, strnlen, memchr])
-AC_REPLACE_FUNCS(stpcpy strndup strnlen memchr)
+AC_REPLACE_FUNCS(stpcpy strndup strnlen strspn memchr)
 jm_FUNC_MALLOC
 jm_FUNC_REALLOC
 jm_PREREQ_QUOTEARG

lib/Makefile.in

@@ -129,7 +129,7 @@ COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CF
 CCLD = $(CC)
 LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
 DIST_COMMON =  Makefile.am Makefile.in alloca.c ansi2knr.1 ansi2knr.c \
-memchr.c stpcpy.c strndup.c strnlen.c
+memchr.c stpcpy.c strndup.c strnlen.c strspn.c
 
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
@@ -138,8 +138,8 @@ TAR = tar
 GZIP_ENV = --best
 DEP_FILES =  .deps/alloca.P .deps/error.P .deps/getopt.P .deps/getopt1.P \
 .deps/memchr.P .deps/obstack.P .deps/quote.P .deps/quotearg.P \
-.deps/stpcpy.P .deps/strndup.P .deps/strnlen.P .deps/xmalloc.P \
+.deps/stpcpy.P .deps/strndup.P .deps/strnlen.P .deps/strspn.P \
-.deps/xstrdup.P
+.deps/xmalloc.P .deps/xstrdup.P
 SOURCES = $(libbison_a_SOURCES)
 OBJECTS = $(libbison_a_OBJECTS)
 
@@ -227,13 +227,15 @@ strndup_.c: strndup.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strndup.c; then echo $(srcdir)/strndup.c; else echo strndup.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strndup_.c
 strnlen_.c: strnlen.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strnlen.c; then echo $(srcdir)/strnlen.c; else echo strnlen.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strnlen_.c
+strspn_.c: strspn.c $(ANSI2KNR)
+	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strspn.c; then echo $(srcdir)/strspn.c; else echo strspn.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strspn_.c
 xmalloc_.c: xmalloc.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/xmalloc.c; then echo $(srcdir)/xmalloc.c; else echo xmalloc.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > xmalloc_.c
 xstrdup_.c: xstrdup.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/xstrdup.c; then echo $(srcdir)/xstrdup.c; else echo xstrdup.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > xstrdup_.c
 alloca_.o error_.o getopt_.o getopt1_.o memchr_.o obstack_.o quote_.o \
-quotearg_.o stpcpy_.o strndup_.o strnlen_.o xmalloc_.o xstrdup_.o : \
+quotearg_.o stpcpy_.o strndup_.o strnlen_.o strspn_.o xmalloc_.o \
-$(ANSI2KNR)
+xstrdup_.o : $(ANSI2KNR)
 
 tags: TAGS
 

lib/strspn.c

@@ -0,0 +1,59 @@
+/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
+
+   NOTE: The canonical source of this file is maintained with the GNU
+   C Library.  Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License
+   as published by the Free Software Foundation; either version 2 of
+   the License, 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this program; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place -
+   Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if defined _LIBC || HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+# ifndef strchr
+#  define strchr index
+# endif
+#endif
+
+#undef strspn
+
+/* Return the length of the maximum initial segment
+   of S which contains only characters in ACCEPT.  */
+size_t
+strspn (s, accept)
+     const char *s;
+     const char *accept;
+{
+  const char *p;
+  const char *a;
+  size_t count = 0;
+
+  for (p = s; *p != '\0'; ++p)
+    {
+      for (a = accept; *a != '\0'; ++a)
+	if (*p == *a)
+	  break;
+      if (*a == '\0')
+	return count;
+      else
+	++count;
+    }
+
+  return count;
+}

src/Makefile.in

@@ -265,6 +265,8 @@ strndup_.c: strndup.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strndup.c; then echo $(srcdir)/strndup.c; else echo strndup.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strndup_.c
 strnlen_.c: strnlen.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strnlen.c; then echo $(srcdir)/strnlen.c; else echo strnlen.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strnlen_.c
+strspn_.c: strspn.c $(ANSI2KNR)
+	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/strspn.c; then echo $(srcdir)/strspn.c; else echo strspn.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > strspn_.c
 symtab_.c: symtab.c $(ANSI2KNR)
 	$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) `if test -f $(srcdir)/symtab.c; then echo $(srcdir)/symtab.c; else echo symtab.c; fi` | sed 's/^# \([0-9]\)/#line \1/' | $(ANSI2KNR) > symtab_.c
 vmsgetargs_.c: vmsgetargs.c $(ANSI2KNR)
@@ -274,7 +276,7 @@ warshall_.c: warshall.c $(ANSI2KNR)
 LR0_.o alloca_.o closure_.o complain_.o conflicts_.o derives_.o \
 files_.o getargs_.o gram_.o lalr_.o lex_.o main_.o memchr_.o \
 nullable_.o output_.o print_.o reader_.o reduce_.o stpcpy_.o strndup_.o \
-strnlen_.o symtab_.o vmsgetargs_.o warshall_.o : $(ANSI2KNR)
+strnlen_.o strspn_.o symtab_.o vmsgetargs_.o warshall_.o : $(ANSI2KNR)
 
 install-pkgdataDATA: $(pkgdata_DATA)
 	@$(NORMAL_INSTALL)