commit bash-20131206 snapshot

lib/readline/doc/Makefile.old

@@ -0,0 +1,76 @@
+# This makefile for Readline library documentation is in -*- text -*- mode.
+# Emacs likes it that way.
+RM = rm -f
+
+MAKEINFO    = makeinfo
+TEXI2DVI    = texi2dvi
+TEXI2HTML   = texi2html
+QUIETPS     = #set this to -q to shut up dvips
+DVIPS       = dvips -D 300 $(QUIETPS) -o $@     # tricky
+
+INSTALL_DATA = cp
+infodir = /usr/local/info
+
+RLSRC = rlman.texinfo rluser.texinfo rltech.texinfo
+HISTSRC = hist.texinfo hsuser.texinfo hstech.texinfo
+
+DVIOBJ = readline.dvi history.dvi
+INFOOBJ = readline.info history.info
+PSOBJ = readline.ps history.ps
+HTMLOBJ = readline.html history.html
+
+all: info dvi html ps
+nodvi: info html
+
+readline.dvi: $(RLSRC)
+	$(TEXI2DVI) rlman.texinfo
+	mv rlman.dvi readline.dvi
+
+readline.info: $(RLSRC)
+	$(MAKEINFO) --no-split -o $@ rlman.texinfo
+
+history.dvi: ${HISTSRC}
+	$(TEXI2DVI) hist.texinfo
+	mv hist.dvi history.dvi
+
+history.info: ${HISTSRC}
+	$(MAKEINFO) --no-split -o $@ hist.texinfo
+
+readline.ps:	readline.dvi
+	$(RM) $@
+	$(DVIPS) readline.dvi
+
+history.ps:	history.dvi
+	$(RM) $@
+	$(DVIPS) history.dvi
+
+readline.html:	${RLSRC}
+	$(TEXI2HTML) rlman.texinfo
+	sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman.html > readline.html
+	sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman_toc.html > readline_toc.html
+	$(RM) rlman.html rlman_toc.html
+
+history.html:	${HISTSRC}
+	$(TEXI2HTML) hist.texinfo
+	sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist.html > history.html
+	sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist_toc.html > history_toc.html
+	$(RM) hist.html hist_toc.html
+
+info:	$(INFOOBJ)
+dvi:	$(DVIOBJ)
+ps:	$(PSOBJ)
+html:	$(HTMLOBJ)
+
+clean:
+	$(RM) *.aux *.cp *.fn *.ky *.log *.pg *.toc *.tp *.vr *.cps *.pgs \
+	      *.fns *.kys *.tps *.vrs *.o core
+
+distclean: clean
+mostlyclean: clean
+
+maintainer-clean: clean
+	$(RM) *.dvi *.info *.info-* *.ps *.html
+
+install:	info
+	${INSTALL_DATA} readline.info $(infodir)/readline.info
+	${INSTALL_DATA} history.info $(infodir)/history.info

lib/readline/histexpand.c

@@ -272,6 +272,8 @@ get_history_event (string, caller_index, delimiting_quote)
       if (local_index == 0 || substring_okay)
 	{
 	  entry = current_history ();
+	  if (entry == 0)
+	    FAIL_SEARCH ();
 	  history_offset = history_length;
 	
 	  /* If this was a substring search, then remember the

lib/readline/search.c

@@ -172,7 +172,8 @@ noninc_dosearch (string, dir)
 
   oldpos = where_history ();
   history_set_pos (noninc_history_pos);
-  entry = current_history ();
+  entry = current_history ();		/* will never be NULL after successful search */
+  
 #if defined (VI_MODE)
   if (rl_editing_mode != vi_mode)
 #endif
@@ -477,7 +478,7 @@ rl_history_search_internal (count, dir)
       rl_history_search_pos = ret;
       oldpos = where_history ();
       history_set_pos (rl_history_search_pos);
-      temp = current_history ();
+      temp = current_history ();	/* will never be NULL after successful search */
       history_set_pos (oldpos);
 
       /* Don't find multiple instances of the same line. */