This commit was generated by cvs2svn to compensate for changes in r128266,

which included commits to RCS files with non-trunk default branches.

7 files changed, 201 insertions, 80 deletions

diff --git a/contrib/cvs/diff/ChangeLog b/contrib/cvs/diff/ChangeLog
index 8c819d5..dbbea3f 100644
--- a/contrib/cvs/diff/ChangeLog
+++ b/contrib/cvs/diff/ChangeLog
@@ -1,3 +1,39 @@
+2004-03-20  Derek Price  <derek@ximbiot.com>
+
+	* diff.c (diff_run): Update string arg to const.
+	* diffrun.h: Update prototype to match.
+
+2003-07-12  Larry Jones  <lawrence.jones@eds.com>
+
+	* io.c (find_identical_ends): Update to match current diffutils
+	code and improve handling of files with no newline at end.
+	(Patch from Andrew Moise <chops@demiurgestudios.com>.)
+
+2003-06-13  Derek Price  <derek@ximbiot.com>
+
+	* diff3.c (read_diff): Fix memory leak.
+	(Patch from Kenneth Lorber <keni@his.com>.)
+
+2003-05-21  Derek Price  <derek@ximbiot.com>
+
+	* Makefile.in: Regenerate with Automake version 1.7.5.
+
+2003-05-09  Derek Price  <derek@ximbiot.com>
+
+	* system.h: Define S_ISSOCK on SCO OpenServer.
+
+2003-04-10  Larry Jones  <lawrence.jones@eds.com>
+
+	* Makefile.in: Regenerated.
+
+2003-02-25  Derek Price  <derek@ximbiot.com>
+
+	* Makefile.in: Regenerated.
+
+2003-02-01  Larry Jones  <lawrence.jones@eds.com>
+
+	* util.c (finish_output): Handle EINTR from waitpid.
+
 2002-09-24  Derek Price  <derek@ximbiot.com>
 
 	* Makefile.in: Regenerated using Automake 1.6.3.
diff --git a/contrib/cvs/diff/Makefile.in b/contrib/cvs/diff/Makefile.in
index 2d19517..d3a7dbe 100644
--- a/contrib/cvs/diff/Makefile.in
+++ b/contrib/cvs/diff/Makefile.in
@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.6.3 from Makefile.am.
+# Makefile.in generated by automake 1.7.9 from Makefile.am.
 # @configure_input@
 
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
 # Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -13,79 +13,117 @@
 # PARTICULAR PURPOSE.
 
 @SET_MAKE@
-SHELL = @SHELL@
 
 srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-
-bindir = @bindir@
-sbindir = @sbindir@
-libexecdir = @libexecdir@
-datadir = @datadir@
-sysconfdir = @sysconfdir@
-sharedstatedir = @sharedstatedir@
-localstatedir = @localstatedir@
-libdir = @libdir@
-infodir = @infodir@
-mandir = @mandir@
-includedir = @includedir@
-oldincludedir = /usr/include
 pkgdatadir = $(datadir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 top_builddir = ..
 
-ACLOCAL = @ACLOCAL@
-AUTOCONF = @AUTOCONF@
-AUTOMAKE = @AUTOMAKE@
-AUTOHEADER = @AUTOHEADER@
-
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_DATA = @INSTALL_DATA@
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
 install_sh_SCRIPT = $(install_sh) -c
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_HEADER = $(INSTALL_DATA)
-transform = @program_transform_name@
+transform = $(program_transform_name)
 NORMAL_INSTALL = :
 PRE_INSTALL = :
 POST_INSTALL = :
 NORMAL_UNINSTALL = :
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
-
-EXEEXT = @EXEEXT@
-OBJEXT = @OBJEXT@
-PATH_SEPARATOR = @PATH_SEPARATOR@
+ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
+AMDEP_TRUE = @AMDEP_TRUE@
 AMTAR = @AMTAR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
 CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
 CSH = @CSH@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
 DEPDIR = @DEPDIR@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
 EDITOR = @EDITOR@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 KRB4 = @KRB4@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
 LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
+MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
+MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
+MAKEINFO = @MAKEINFO@
+MAKE_TARGETS_IN_VPATH_FALSE = @MAKE_TARGETS_IN_VPATH_FALSE@
+MAKE_TARGETS_IN_VPATH_TRUE = @MAKE_TARGETS_IN_VPATH_TRUE@
+MKTEMP = @MKTEMP@
+OBJEXT = @OBJEXT@
 PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
 PERL = @PERL@
 PR = @PR@
 PS2PDF = @PS2PDF@
 RANLIB = @RANLIB@
 ROFF = @ROFF@
+SENDMAIL = @SENDMAIL@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
 STRIP = @STRIP@
 TEXI2DVI = @TEXI2DVI@
 VERSION = @VERSION@
 YACC = @YACC@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_RANLIB = @ac_ct_RANLIB@
+ac_ct_STRIP = @ac_ct_STRIP@
+ac_prefix_program = @ac_prefix_program@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
 am__include = @am__include@
+am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
+bindir = @bindir@
+build_alias = @build_alias@
+datadir = @datadir@
+exec_prefix = @exec_prefix@
+host_alias = @host_alias@
+includedir = @includedir@
 includeopt = @includeopt@
+infodir = @infodir@
 install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+oldincludedir = @oldincludedir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
 
 INCLUDES = -I$(top_srcdir)/lib
 
@@ -98,6 +136,7 @@ libdiff_a_SOURCES = diff.c diff3.c analyze.c cmpbuf.c cmpbuf.h io.c \
 
 EXTRA_DIST = ChangeLog build_diff.com diagmeet.note libdiff.dsp
 subdir = diff
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES =
@@ -111,11 +150,7 @@ am_libdiff_a_OBJECTS = diff.$(OBJEXT) diff3.$(OBJEXT) analyze.$(OBJEXT) \
 	version.$(OBJEXT) side.$(OBJEXT)
 libdiff_a_OBJECTS = $(am_libdiff_a_OBJECTS)
 
-DEFS = @DEFS@
 DEFAULT_INCLUDES =  -I. -I$(srcdir) -I$(top_builddir)
-CPPFLAGS = @CPPFLAGS@
-LDFLAGS = @LDFLAGS@
-LIBS = @LIBS@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 @AMDEP_TRUE@DEP_FILES = ./$(DEPDIR)/analyze.Po ./$(DEPDIR)/cmpbuf.Po \
@@ -129,19 +164,18 @@ COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
 LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
-CFLAGS = @CFLAGS@
 DIST_SOURCES = $(libdiff_a_SOURCES)
-DIST_COMMON = ChangeLog Makefile.am Makefile.in
+DIST_COMMON = $(srcdir)/Makefile.in ChangeLog Makefile.am
 SOURCES = $(libdiff_a_SOURCES)
 
 all: all-am
 
 .SUFFIXES:
 .SUFFIXES: .c .o .obj
-$(srcdir)/Makefile.in:  Makefile.am  $(top_srcdir)/configure.in $(ACLOCAL_M4)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am  $(top_srcdir)/configure.in $(ACLOCAL_M4)
 	cd $(top_srcdir) && \
 	  $(AUTOMAKE) --gnu  diff/Makefile
-Makefile:  $(srcdir)/Makefile.in  $(top_builddir)/config.status
+Makefile: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.in  $(top_builddir)/config.status
 	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)
 
 AR = ar
@@ -173,26 +207,35 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/util.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/version.Po@am__quote@
 
-distclean-depend:
-	-rm -rf ./$(DEPDIR)
-
 .c.o:
-@AMDEP_TRUE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
-@AMDEP_TRUE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-	$(COMPILE) -c `test -f '$<' || echo '$(srcdir)/'`$<
+@am__fastdepCC_TRUE@	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" \
+@am__fastdepCC_TRUE@	  -c -o $@ `test -f '$<' || echo '$(srcdir)/'`$<; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; \
+@am__fastdepCC_TRUE@	else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
+@am__fastdepCC_TRUE@	fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c `test -f '$<' || echo '$(srcdir)/'`$<
 
 .c.obj:
-@AMDEP_TRUE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
-@AMDEP_TRUE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-	$(COMPILE) -c `cygpath -w $<`
-CCDEPMODE = @CCDEPMODE@
+@am__fastdepCC_TRUE@	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" \
+@am__fastdepCC_TRUE@	  -c -o $@ `if test -f '$<'; then $(CYGPATH_W) '$<'; else $(CYGPATH_W) '$(srcdir)/$<'; fi`; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; \
+@am__fastdepCC_TRUE@	else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
+@am__fastdepCC_TRUE@	fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c `if test -f '$<'; then $(CYGPATH_W) '$<'; else $(CYGPATH_W) '$(srcdir)/$<'; fi`
 uninstall-info-am:
 
 ETAGS = etags
 ETAGSFLAGS =
 
+CTAGS = ctags
+CTAGSFLAGS =
+
 tags: TAGS
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
@@ -218,20 +261,41 @@ TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 	  || $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
 	     $$tags $$unique
 
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
 GTAGS:
 	here=`$(am__cd) $(top_builddir) && pwd` \
 	  && cd $(top_srcdir) \
 	  && gtags -i $(GTAGS_ARGS) $$here
 
 distclean-tags:
-	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 
 top_distdir = ..
 distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
 
 distdir: $(DISTFILES)
-	@list='$(DISTFILES)'; for file in $$list; do \
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+	list='$(DISTFILES)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
 	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
 	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
 	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
@@ -256,7 +320,6 @@ check: check-am
 all-am: Makefile $(LIBRARIES)
 
 installdirs:
-
 install: install-am
 install-exec: install-exec-am
 install-data: install-data-am
@@ -268,7 +331,7 @@ install-am: all-am
 installcheck: installcheck-am
 install-strip:
 	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  INSTALL_STRIP_FLAG=-s \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
 	  `test -z '$(STRIP)' || \
 	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
 mostlyclean-generic:
@@ -276,7 +339,7 @@ mostlyclean-generic:
 clean-generic:
 
 distclean-generic:
-	-rm -f Makefile $(CONFIG_CLEAN_FILES)
+	-rm -f $(CONFIG_CLEAN_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -286,9 +349,10 @@ clean: clean-am
 clean-am: clean-generic clean-noinstLIBRARIES mostlyclean-am
 
 distclean: distclean-am
-
-distclean-am: clean-am distclean-compile distclean-depend \
-	distclean-generic distclean-tags
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
 
 dvi: dvi-am
 
@@ -309,25 +373,33 @@ install-man:
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
-
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
 
 mostlyclean: mostlyclean-am
 
 mostlyclean-am: mostlyclean-compile mostlyclean-generic
 
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
 uninstall-am: uninstall-info-am
 
-.PHONY: GTAGS all all-am check check-am clean clean-generic \
-	clean-noinstLIBRARIES distclean distclean-compile \
-	distclean-depend distclean-generic distclean-tags distdir dvi \
-	dvi-am info info-am install install-am install-data \
-	install-data-am install-exec install-exec-am install-info \
-	install-info-am install-man install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic tags uninstall uninstall-am \
-	uninstall-info-am
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-noinstLIBRARIES ctags distclean distclean-compile \
+	distclean-generic distclean-tags distdir dvi dvi-am info \
+	info-am install install-am install-data install-data-am \
+	install-exec install-exec-am install-info install-info-am \
+	install-man install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
+	ps ps-am tags uninstall uninstall-am uninstall-info-am
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/contrib/cvs/diff/diff.c b/contrib/cvs/diff/diff.c
index 0b115f2..c1324c6 100644
--- a/contrib/cvs/diff/diff.c
+++ b/contrib/cvs/diff/diff.c
@@ -233,11 +233,13 @@ static struct option const longopts[] =
   {0, 0, 0, 0}
 };
 
+
+
 int
 diff_run (argc, argv, out, callbacks_arg)
      int argc;
      char *argv[];
-     char *out;
+     const char *out;
      const struct diff_callbacks *callbacks_arg;
 {
   int val;
diff --git a/contrib/cvs/diff/diffrun.h b/contrib/cvs/diff/diffrun.h
index 08fbd0d..9ee804b 100644
--- a/contrib/cvs/diff/diffrun.h
+++ b/contrib/cvs/diff/diffrun.h
@@ -56,7 +56,7 @@ struct diff_callbacks
 
 /* Run a diff.  */
 
-extern int diff_run DIFFPARAMS((int, char **, char *,
+extern int diff_run DIFFPARAMS((int, char **, const char *,
 				const struct diff_callbacks *));
 
 /* Run a diff3.  */
diff --git a/contrib/cvs/diff/io.c b/contrib/cvs/diff/io.c
index 9eb2d5d..31581cd 100644
--- a/contrib/cvs/diff/io.c
+++ b/contrib/cvs/diff/io.c
@@ -508,11 +508,10 @@ find_identical_ends (filevec)
       beg0 = filevec[0].prefix_end + (n0 < n1 ? 0 : n0 - n1);
 
       /* Scan back until chars don't match or we reach that point.  */
-      while (p0 != beg0)
-	if (*--p0 != *--p1)
+      for (; p0 != beg0; p0--, p1--)
+	if (*p0 != *p1)
 	  {
 	    /* Point at the first char of the matching suffix.  */
-	    ++p0, ++p1;
 	    beg0 = p0;
 	    break;
 	  }
diff --git a/contrib/cvs/diff/system.h b/contrib/cvs/diff/system.h
index 0f9cda7..d383ea1 100644
--- a/contrib/cvs/diff/system.h
+++ b/contrib/cvs/diff/system.h
@@ -61,9 +61,19 @@ GNU General Public License for more details.
 #if !defined(S_ISFIFO) && defined(S_IFFIFO)
 #define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFFIFO)
 #endif
-#if !defined(S_ISSOCK) && defined(S_IFSOCK)
-#define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
-#endif
+
+#ifndef S_ISSOCK
+# if defined( S_IFSOCK )
+#   ifdef S_IFMT
+#     define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
+#   else
+#     define S_ISSOCK(mode) ((mode) & S_IFSOCK)
+#   endif /* S_IFMT */
+# elif defined( S_ISNAM )
+    /* SCO OpenServer 5.0.6a */
+#   define S_ISSOCK S_ISNAM
+# endif /* !S_IFSOCK && S_ISNAM */
+#endif /* !S_ISSOCK */
 
 #if HAVE_UNISTD_H
 #include <unistd.h>
diff --git a/contrib/cvs/diff/util.c b/contrib/cvs/diff/util.c
index ff9cceb..744cf51 100644
--- a/contrib/cvs/diff/util.c
+++ b/contrib/cvs/diff/util.c
@@ -300,7 +300,7 @@ finish_output ()
   if (paginate_flag && outfile != 0 && outfile != stdout)
     {
 #ifdef PR_PROGRAM
-      int wstatus;
+      int wstatus, w;
       if (ferror (outfile))
 	fatal ("write error");
 # if ! HAVE_FORK
@@ -308,7 +308,9 @@ finish_output ()
 # else /* HAVE_FORK */
       if (fclose (outfile) != 0)
 	pfatal_with_name ("write error");
-      if (waitpid (pr_pid, &wstatus, 0) < 0)
+      while ((w = waitpid (pr_pid, &wstatus, 0)) < 0 && errno == EINTR)
+	;
+      if (w < 0)
 	pfatal_with_name ("waitpid");
 # endif /* HAVE_FORK */
       if (wstatus != 0)