Compatibility functions & make depend

.gitignore

@@ -39,3 +39,4 @@ check_getdns_ev
 doc/*.3
 src/getdns/getdns.h
 *.log
+src/Doxyfile

Makefile.in

@@ -100,6 +100,9 @@ clean:
 	cd doc && $(MAKE) $@
 	rm -f *.o
 
+depend:
+	cd src && $(MAKE) $@
+
 distclean:
 	cd src && $(MAKE) $@
 	rmdir src 2>/dev/null || true

configure

@@ -11700,6 +11700,21 @@ $as_echo "#define HAVE_ATTR_FORMAT 1" >>confdefs.h
 
 fi
 
+ac_fn_c_check_func "$LINENO" "strlcpy" "ac_cv_func_strlcpy"
+if test "x$ac_cv_func_strlcpy" = xyes; then :
+  $as_echo "#define HAVE_STRLCPY 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" strlcpy.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS strlcpy.$ac_objext"
+ ;;
+esac
+
+fi
+
+
+
 
 
 

configure.ac

@@ -404,6 +404,8 @@ if test $ac_cv_c_format_attribute = yes; then
   AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute])
 fi
 
+AC_REPLACE_FUNCS(strlcpy)
+
 AH_BOTTOM([
 /** Use on-board gldns */
 

src/Makefile.in

@@ -83,6 +83,10 @@ GETDNS_OBJ=sync.lo context.lo list.lo dict.lo convert.lo general.lo \
 GLDNS_OBJ=keyraw.lo gbuffer.lo wire2str.lo parse.lo parseutil.lo rrdef.lo \
 	str2wire.lo
 
+LIBOBJDIR=
+LIBOBJS=@LIBOBJS@
+COMPAT_OBJ=$(LIBOBJS:.o=.lo)
+
 .SUFFIXES: .c .o .a .lo .h
 
 .c.o:
@@ -91,7 +95,7 @@ GLDNS_OBJ=keyraw.lo gbuffer.lo wire2str.lo parse.lo parseutil.lo rrdef.lo \
 .c.lo:
 	$(LIBTOOL) --quiet --tag=CC --mode=compile $(CC) $(CFLAGS) -c $< -o $@
 
-$(GLDNS_OBJ):
+$(GLDNS_OBJ) $(COMPAT_OBJ):
 	@:
 	$(LIBTOOL) --quiet --tag=CC --mode=compile $(CC) $(CFLAGS) -c $< -o $@
 
@@ -130,8 +134,8 @@ libgetdns_ext_ev.la: libgetdns.la extension/libev.lo
 	$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) -o $@ extension/libev.lo ./.libs/libgetdns.la $(EXTENSION_LIBEV_LDFLAGS) $(EXTENSION_LIBEV_EXT_LIBS) -rpath $(libdir) -version-info $(libversion) -no-undefined -export-symbols $(srcdir)/extension/libev.symbols
 
 
-libgetdns.la: $(GETDNS_OBJ) $(GLDNS_OBJ)
-	$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) -o $@ $(GETDNS_OBJ) $(GLDNS_OBJ) $(LDFLAGS) -rpath $(libdir) -version-info $(libversion) -no-undefined -export-symbols $(srcdir)/libgetdns.symbols
+libgetdns.la: $(GETDNS_OBJ) $(GLDNS_OBJ) $(COMPAT_OBJ)
+	$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) -o $@ $(GETDNS_OBJ) $(GLDNS_OBJ) $(COMPAT_OBJ) $(LDFLAGS) -rpath $(libdir) -version-info $(libversion) -no-undefined -export-symbols $(srcdir)/libgetdns.symbols
 
 
 test:	FORCE
@@ -185,21 +189,28 @@ Makefile: Makefile.in ../config.status
 configure.status: configure
 	cd .. && ./config.status --recheck
 
+depend:
+	(cd $(srcdir) ; awk 'BEGIN{P=1}{if(P)print}/^# Dependencies/{P=0}' Makefile.in > Makefile.in.new )
+	(cd $(srcdir) ; gcc -MM -I. gldns/*.c compat/*.c | \
+		sed -e 's?gldns/?$$(srcdir)/gldns/?g' \
+		    -e 's?compat/?$$(srcdir)/compat/?g' \
+		    -e 's!\(.*\)\.o[ :]*!\1.lo \1.o: !g' >> Makefile.in.new )
+	(cd $(srcdir) ; diff Makefile.in.new Makefile.in && rm Makefile.in.new \
+	                                                 || mv Makefile.in.new Makefile.in )
+
 .PHONY: clean test example
 FORCE:
 
-# Dependencies for gldns
-# ----------------------
-# Create with:  gcc -MM -I. gldns/*.c|sed -e 's?gldns/?$(srcdir)/gldns/?g' -e 's!\(.*\)\.o[ :]*!\1.lo \1.o: !g' >> Makefile.in
-
+# Dependencies for gldns and compatibility functions
+gbuffer.lo gbuffer.o: $(srcdir)/gldns/gbuffer.c config.h $(srcdir)/gldns/gbuffer.h
 keyraw.lo keyraw.o: $(srcdir)/gldns/keyraw.c config.h $(srcdir)/gldns/keyraw.h $(srcdir)/gldns/rrdef.h
 parse.lo parse.o: $(srcdir)/gldns/parse.c config.h $(srcdir)/gldns/parse.h $(srcdir)/gldns/parseutil.h \
  $(srcdir)/gldns/gbuffer.h
 parseutil.lo parseutil.o: $(srcdir)/gldns/parseutil.c config.h $(srcdir)/gldns/parseutil.h
 rrdef.lo rrdef.o: $(srcdir)/gldns/rrdef.c config.h $(srcdir)/gldns/rrdef.h $(srcdir)/gldns/parseutil.h
-gbuffer.lo gbuffer.o: $(srcdir)/gldns/gbuffer.c config.h $(srcdir)/gldns/gbuffer.h
 str2wire.lo str2wire.o: $(srcdir)/gldns/str2wire.c config.h $(srcdir)/gldns/str2wire.h $(srcdir)/gldns/rrdef.h \
  $(srcdir)/gldns/wire2str.h $(srcdir)/gldns/gbuffer.h $(srcdir)/gldns/parse.h $(srcdir)/gldns/parseutil.h
 wire2str.lo wire2str.o: $(srcdir)/gldns/wire2str.c config.h $(srcdir)/gldns/wire2str.h $(srcdir)/gldns/str2wire.h \
  $(srcdir)/gldns/rrdef.h $(srcdir)/gldns/pkthdr.h $(srcdir)/gldns/parseutil.h $(srcdir)/gldns/gbuffer.h \
  $(srcdir)/gldns/keyraw.h
+strlcpy.lo strlcpy.o: $(srcdir)/compat/strlcpy.c config.h

src/compat/strlcpy.c

@@ -0,0 +1,57 @@
+/* from openssh 4.3p2 compat/strlcpy.c */
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/string/strlcpy.c */
+
+#include <config.h>
+#ifndef HAVE_STRLCPY
+
+#include <sys/types.h>
+#include <string.h>
+
+/*
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+	char *d = dst;
+	const char *s = src;
+	size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n != 0 && --n != 0) {
+		do {
+			if ((*d++ = *s++) == 0)
+				break;
+		} while (--n != 0);
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (n == 0) {
+		if (siz != 0)
+			*d = '\0';		/* NUL-terminate dst */
+		while (*s++)
+			;
+	}
+
+	return(s - src - 1);	/* count does not include NUL */
+}
+
+#endif /* !HAVE_STRLCPY */

src/config.h.in

@@ -66,6 +66,9 @@
 /* Define to 1 if you have the <string.h> header file. */
 #undef HAVE_STRING_H
 
+/* Define to 1 if you have the `strlcpy' function. */
+#undef HAVE_STRLCPY
+
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H