kc3-lang/kc3

diff --git a/Makefile b/Makefile
index 1684914..04aa32b 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ all:
 	${MAKE} -C ikc3 all
 	${MAKE} -C kc3s all
 	${MAKE} -C ekc3 all
+	${MAKE} -C json all
 	${MAKE} -C http all
 	${MAKE} -C httpd all
 	${MAKE} -C test all
@@ -30,6 +31,7 @@ asan:
 	${MAKE} -C ikc3 asan
 	${MAKE} -C kc3s asan
 	${MAKE} -C ekc3 asan
+	${MAKE} -C json asan
 	${MAKE} -C http asan
 	${MAKE} -C httpd asan
 	${MAKE} -C test asan
@@ -43,6 +45,7 @@ build:
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
 	${MAKE} -C ekc3 build
+	${MAKE} -C json build
 	${MAKE} -C http build
 	${MAKE} -C httpd build
 	${MAKE} -C test build
@@ -55,6 +58,7 @@ clean:
 	${MAKE} -C ikc3 clean
 	${MAKE} -C kc3s clean
 	${MAKE} -C ekc3 clean
+	${MAKE} -C json clean
 	${MAKE} -C http clean
 	${MAKE} -C httpd clean
 	${MAKE} -C test clean
@@ -66,6 +70,7 @@ clean_cov:
 	${MAKE} -C ikc3 clean_cov
 	${MAKE} -C kc3s clean_cov
 	${MAKE} -C ekc3 clean_cov
+	${MAKE} -C json clean_cov
 	${MAKE} -C http clean_cov
 	${MAKE} -C httpd clean_cov
 	${MAKE} -C test clean_cov
@@ -78,6 +83,7 @@ cov:
 	${MAKE} -C ikc3 cov
 	${MAKE} -C kc3s cov
 	${MAKE} -C ekc3 cov
+	${MAKE} -C json cov
 	${MAKE} -C http cov
 	${MAKE} -C httpd cov
 	${MAKE} -C test cov
@@ -90,6 +96,7 @@ debug:
 	${MAKE} -C ikc3 debug
 	${MAKE} -C kc3s debug
 	${MAKE} -C ekc3 debug
+	${MAKE} -C json debug
 	${MAKE} -C http debug
 	${MAKE} -C httpd debug
 	${MAKE} -C test debug
@@ -128,6 +135,7 @@ distclean:
 	${MAKE} -C ikc3 distclean
 	${MAKE} -C kc3s distclean
 	${MAKE} -C ekc3 distclean
+	${MAKE} -C json distclean
 	${MAKE} -C http distclean
 	${MAKE} -C httpd distclean
 	${MAKE} -C test distclean
@@ -138,6 +146,7 @@ gcovr:
 	${MAKE} -C ikc3 gcovr
 	${MAKE} -C kc3s gcovr
 	${MAKE} -C ekc3 gcovr
+	${MAKE} -C json gcovr
 	${MAKE} -C http gcovr
 	${MAKE} -C httpd gcovr
 	${MAKE} -C test gcovr
@@ -152,26 +161,6 @@ gdb_demo_gl:
 	${MAKE} debug
 	${MAKE} -C libkc3 gdb_demo_gl
 
-gdb_httpd:
-	${MAKE} -C libtommath debug
-	${MAKE} -C ucd2c
-	${MAKE} -C libkc3 debug
-	${MAKE} -C ikc3 debug
-	${MAKE} -C kc3s debug
-	${MAKE} -C http debug
-	${MAKE} -C httpd debug
-	${MAKE} -C test gdb_httpd
-
-gdb_httpd_asan:
-	${MAKE} -C libtommath asan
-	${MAKE} -C ucd2c
-	${MAKE} -C libkc3 asan
-	${MAKE} -C ikc3 asan
-	${MAKE} -C kc3s asan
-	${MAKE} -C http asan
-	${MAKE} -C httpd asan
-	${MAKE} -C test gdb_httpd_asan
-
 gdb_ikc3:
 	${MAKE} -C libtommath debug
 	${MAKE} -C ucd2c
@@ -198,6 +187,7 @@ gdb_test_http:
 	${MAKE} -C libkc3 debug
 	${MAKE} -C ikc3 debug
 	${MAKE} -C kc3s debug
+	${MAKE} -C json debug
 	${MAKE} -C http debug
 	${MAKE} -C test gdb_test_http
 
@@ -207,9 +197,32 @@ gdb_test_http_asan:
 	${MAKE} -C libkc3 asan
 	${MAKE} -C ikc3 asan
 	${MAKE} -C kc3s asan
+	${MAKE} -C json asan
 	${MAKE} -C http asan
 	${MAKE} -C test gdb_test_http_asan
 
+gdb_test_httpd:
+	${MAKE} -C libtommath debug
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 debug
+	${MAKE} -C ikc3 debug
+	${MAKE} -C kc3s debug
+	${MAKE} -C json debug
+	${MAKE} -C http debug
+	${MAKE} -C httpd debug
+	${MAKE} -C test gdb_test_httpd
+
+gdb_test_httpd_asan:
+	${MAKE} -C libtommath asan
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 asan
+	${MAKE} -C ikc3 asan
+	${MAKE} -C kc3s asan
+	${MAKE} -C json asan
+	${MAKE} -C http asan
+	${MAKE} -C httpd asan
+	${MAKE} -C test gdb_test_httpd_asan
+
 gdb_test_ikc3:
 	${MAKE} -C libtommath debug
 	${MAKE} -C ucd2c
@@ -217,6 +230,13 @@ gdb_test_ikc3:
 	${MAKE} -C ikc3 debug
 	${MAKE} -C test gdb_test_ikc3
 
+gdb_test_json:
+	${MAKE} -C libtommath debug
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 debug
+	${MAKE} -C ikc3 debug
+	${MAKE} -C test gdb_test_json
+
 gen:
 	${MAKE} -C libkc3 gen
 
@@ -227,6 +247,7 @@ http:
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
 	${MAKE} -C ekc3 build
+	${MAKE} -C json build
 	${MAKE} -C http build
 
 httpd:
@@ -236,6 +257,7 @@ httpd:
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
 	${MAKE} -C ekc3 build
+	${MAKE} -C json build
 	${MAKE} -C http build
 	${MAKE} -C httpd build
 
@@ -272,13 +294,43 @@ ikc3_gcovr:
 	${MAKE} ikc3_test_cov
 	${MAKE} gcovr
 
+json:
+	${MAKE} -C libtommath build
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 build
+	${MAKE} -C ikc3 build
+	${MAKE} -C json build
+
+json_asan:
+	${MAKE} -C libtommath asan
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 asan
+	${MAKE} -C ikc3 asan
+	${MAKE} -C json asan
+
+json_cov:
+	${MAKE} -C libtommath cov
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 cov
+	${MAKE} -C ikc3 cov
+	${MAKE} -C json cov
+
+json_debug:
+	${MAKE} -C libtommath debug
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 debug
+	${MAKE} -C ikc3 debug
+	${MAKE} -C json debug
+
 install:
 	${MAKE} -C libkc3 install
 	${MAKE} -C ikc3 install
 	${MAKE} -C kc3s install
 	${MAKE} -C ekc3 install
+	${MAKE} -C json install
 	${MAKE} -C http install
 	${MAKE} -C httpd install
+	${MAKE} -C json install
 	${MAKE} -C window install
 
 kc3-${KC3_VERSION}.tar.gz: kc3.index
@@ -307,25 +359,39 @@ kc3.index: sources.mk Makefile
 	sort -u < kc3.index.tmp > kc3.index
 	rm kc3.index.tmp
 
+lib_links:
+	${MAKE} lib_links_${ARCH}
+
+lib_links_asan:
+	${MAKE} lib_links_${ARCH}_asan
+
+lib_links_debug:
+	${MAKE} lib_links_${ARCH}_debug
+
+lib_links_bsd:
+	ln -sf ../../../ekc3/.libs/libekc3.so.0.0 lib/kc3/0.1/ekc3.so
+	ln -sf ../../../http/.libs/libkc3_http.so.0.0 lib/kc3/0.1/http.so
+	ln -sf ../../../json/.libs/libkc3_json.so.0.0 lib/kc3/0.1/json.so
+
+lib_links_bsd_debug:
+	ln -sf ../../../ekc3/.libs/libekc3_debug.so.0.0 lib/kc3/0.1/ekc3.so
+	ln -sf ../../../http/.libs/libkc3_http_debug.so.0.0 lib/kc3/0.1/http.so
+	ln -sf ../../../json/.libs/libkc3_json_debug.so.0.0 lib/kc3/0.1/json.so
+
 lib_links_linux:
 	ln -sf ../../../ekc3/.libs/libekc3.so lib/kc3/0.1/ekc3.so
 	ln -sf ../../../http/.libs/libkc3_http.so lib/kc3/0.1/http.so
+	ln -sf ../../../json/.libs/libkc3_json.so lib/kc3/0.1/json.so
 
 lib_links_linux_asan:
 	ln -sf ../../../ekc3/.libs/libekc3_asan.so lib/kc3/0.1/ekc3.so
 	ln -sf ../../../http/.libs/libkc3_http_asan.so lib/kc3/0.1/http.so
+	ln -sf ../../../json/.libs/libkc3_json_asan.so lib/kc3/0.1/json.so
 
 lib_links_linux_debug:
 	ln -sf ../../../ekc3/.libs/libekc3_debug.so lib/kc3/0.1/ekc3.so
 	ln -sf ../../../http/.libs/libkc3_http_debug.so lib/kc3/0.1/http.so
-
-lib_links_bsd:
-	ln -sf ../../../ekc3/.libs/libekc3.so.0.0 lib/kc3/0.1/ekc3.so
-	ln -sf ../../../http/.libs/libkc3_http.so.0.0 lib/kc3/0.1/http.so
-
-lib_links_bsd_debug:
-	ln -sf ../../../ekc3/.libs/libekc3_debug.so.0.0 lib/kc3/0.1/ekc3.so
-	ln -sf ../../../http/.libs/libkc3_http_debug.so.0.0 lib/kc3/0.1/http.so
+	ln -sf ../../../json/.libs/libkc3_json_debug.so lib/kc3/0.1/json.so
 
 libkc3_gcovr:
 	${MAKE} clean_cov
@@ -360,6 +426,7 @@ test:
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
 	${MAKE} -C ekc3 build
+	${MAKE} -C json build
 	${MAKE} -C http build
 	${MAKE} -C httpd build
 	${MAKE} -C test test
@@ -372,6 +439,7 @@ test_asan:
 	${MAKE} -C ikc3 asan
 	${MAKE} -C kc3s asan
 	${MAKE} -C ekc3 asan
+	${MAKE} -C json asan
 	${MAKE} -C http asan
 	${MAKE} -C httpd asan
 	${MAKE} -C test test_asan
@@ -383,6 +451,7 @@ test_cov:
 	${MAKE} -C ikc3 cov clean_cov
 	${MAKE} -C kc3s cov clean_cov
 	${MAKE} -C ekc3 cov clean_cov
+	${MAKE} -C json cov clean_cov
 	${MAKE} -C http cov clean_cov
 	${MAKE} -C httpd cov clean_cov
 	${MAKE} -C test test_cov
@@ -394,6 +463,7 @@ test_debug:
 	${MAKE} -C ikc3 debug
 	${MAKE} -C kc3s debug
 	${MAKE} -C ekc3 debug
+	${MAKE} -C json debug
 	${MAKE} -C http debug
 	${MAKE} -C httpd debug
 	${MAKE} -C test test_debug
@@ -447,6 +517,7 @@ test_http:
 	${MAKE} -C libkc3 build
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
+	${MAKE} -C json build
 	${MAKE} -C http build
 	${MAKE} -C test test_http
 
@@ -456,6 +527,7 @@ test_http_asan:
 	${MAKE} -C libkc3 asan
 	${MAKE} -C ikc3 asan
 	${MAKE} -C kc3s asan
+	${MAKE} -C json asan
 	${MAKE} -C http asan
 	${MAKE} -C test test_http_asan
 
@@ -465,6 +537,7 @@ test_http_cov:
 	${MAKE} -C libkc3 cov
 	${MAKE} -C ikc3 cov
 	${MAKE} -C kc3s cov
+	${MAKE} -C json cov
 	${MAKE} -C http cov
 	${MAKE} -C test test_http_cov
 
@@ -474,6 +547,7 @@ test_http_debug:
 	${MAKE} -C libkc3 debug
 	${MAKE} -C ikc3 debug
 	${MAKE} -C kc3s debug
+	${MAKE} -C json debug
 	${MAKE} -C http debug
 	${MAKE} -C test test_http_debug
 
@@ -483,6 +557,7 @@ test_httpd:
 	${MAKE} -C libkc3 build
 	${MAKE} -C ikc3 build
 	${MAKE} -C kc3s build
+	${MAKE} -C json build
 	${MAKE} -C http build
 	${MAKE} -C httpd build
 	${MAKE} -C test test_httpd
@@ -493,6 +568,7 @@ test_httpd_asan:
 	${MAKE} -C libkc3 asan
 	${MAKE} -C ikc3 asan
 	${MAKE} -C kc3s asan
+	${MAKE} -C json asan
 	${MAKE} -C http asan
 	${MAKE} -C httpd asan
 	${MAKE} -C test test_httpd_asan
@@ -503,6 +579,7 @@ test_httpd_cov:
 	${MAKE} -C libkc3 cov
 	${MAKE} -C ikc3 cov
 	${MAKE} -C kc3s cov
+	${MAKE} -C json cov
 	${MAKE} -C http cov
 	${MAKE} -C httpd cov
 	${MAKE} -C test test_httpd_cov
@@ -513,6 +590,7 @@ test_httpd_debug:
 	${MAKE} -C libkc3 debug
 	${MAKE} -C ikc3 debug
 	${MAKE} -C kc3s debug
+	${MAKE} -C json debug
 	${MAKE} -C http debug
 	${MAKE} -C httpd debug
 	${MAKE} -C test test_httpd_debug
@@ -545,6 +623,38 @@ test_ikc3_debug:
 	${MAKE} -C ikc3 debug
 	${MAKE} -C test test_ikc3_debug
 
+test_json:
+	${MAKE} -C libtommath build
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 build
+	${MAKE} -C ikc3 build
+	${MAKE} -C json build
+	${MAKE} -C test test_json
+
+test_json_asan:
+	${MAKE} -C libtommath asan
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 asan
+	${MAKE} -C ikc3 asan
+	${MAKE} -C json asan
+	${MAKE} -C test test_json_asan
+
+test_json_cov:
+	${MAKE} -C libtommath cov
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 cov
+	${MAKE} -C ikc3 cov
+	${MAKE} -C json cov
+	${MAKE} -C test test_json_cov
+
+test_json_debug:
+	${MAKE} -C libtommath debug
+	${MAKE} -C ucd2c
+	${MAKE} -C libkc3 debug
+	${MAKE} -C ikc3 debug
+	${MAKE} -C json debug
+	${MAKE} -C test test_json_debug
+
 test_libkc3:
 	${MAKE} -C libtommath build
 	${MAKE} -C ucd2c
@@ -583,10 +693,48 @@ test_libkc3_debug:
 	demo_gl_debug \
 	dist \
 	gcovr \
+	gdb_test \
+	gdb_test_asan \
+	gdb_test_debug \
+	gdb_test_gcovr \
+	gdb_test_ekc3 \
+	gdb_test_ekc3_asan \
+	gdb_test_ekc3_debug \
+	gdb_test_http \
+	gdb_test_http_asan \
+	gdb_test_http_debug \
+	gdb_test_httpd \
+	gdb_test_httpd_asan \
+	gdb_test_httpd_debug \
+	gdb_test_ikc3 \
+	gdb_test_ikc3_asan \
+	gdb_test_ikc3_debug \
+	gdb_test_json \
+	gdb_test_json_asan \
+	gdb_test_json_debug \
+	gdb_test_kc3s \
+	gdb_test_kc3s_asan \
+	gdb_test_kc3s_debug
+	gdb_test_libkc3 \
+	gdb_test_libkc3_asan \
+	gdb_test_libkc3_debug
 	http \
 	httpd \
 	ikc3 \
 	install \
+	json \
+	json_asan \
+	json_cov \
+	json_debug \
+	lib_links \
+	lib_links_asan \
+	lib_links_debug \
+	lib_links_bsd \
+	lib_links_bsd_asan \
+	lib_links_bsd_debug \
+	lib_links_linux \
+	lib_links_linux_asan \
+	lib_links_linux_debug \
 	libkc3 \
 	libtommath \
 	license \
@@ -595,7 +743,34 @@ test_libkc3_debug:
 	test_cov \
 	test_debug \
 	test_gcovr \
-	test_ikc3
+	test_ekc3 \
+	test_ekc3_asan \
+	test_ekc3_cov \
+	test_ekc3_debug \
+	test_http \
+	test_http_asan \
+	test_http_cov \
+	test_http_debug \
+	test_httpd \
+	test_httpd_asan \
+	test_httpd_cov \
+	test_httpd_debug \
+	test_ikc3 \
+	test_ikc3_asan \
+	test_ikc3_cov \
+	test_ikc3_debug \
+	test_json \
+	test_json_asan \
+	test_json_cov \
+	test_json_debug \
+	test_kc3s \
+	test_kc3s_asan \
+	test_kc3s_cov \
+	test_kc3s_debug
+	test_libkc3 \
+	test_libkc3_asan \
+	test_libkc3_cov \
+	test_libkc3_debug
 
 include config.mk
 include sources.mk
diff --git a/configure b/configure
index 29a8b0b..4f5b180 100755
--- a/configure
+++ b/configure
@@ -36,6 +36,16 @@ echo "kc3-${KC3_VERSION}.tar.gz: $(tr '\n' ' ' < kc3.index)" \
 config_asan
 echo "HAVE_ASAN = ${HAVE_ASAN}" >> ${CONFIG_MK}
 
+ARCH="unknown"
+if uname | grep -iq bsd; then
+    ARCH=bsd
+elif uname | grep -q Linux; then
+    ARCH=linux
+elif uname | grep -q Darwin; then
+    ARCH=darwin
+fi
+echo "ARCH = $ARCH" >> ${CONFIG_MK}
+
 update_config_mk
 env_reset
 
@@ -46,6 +56,7 @@ config_subdirs \
     ikc3 \
     kc3s \
     ekc3 \
+    json \
     http \
     httpd \
     test \
diff --git a/json/Makefile b/json/Makefile
new file mode 100644
index 0000000..a4db491
--- /dev/null
+++ b/json/Makefile
@@ -0,0 +1,78 @@
+## kc3
+## Copyright 2022-2024 kmx.io <contact@kmx.io>
+##
+## Permission is hereby granted to use this software granted the above
+## copyright notice and this permission paragraph are included in all
+## copies and substantial portions of this software.
+##
+## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
+## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
+## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
+## THIS SOFTWARE.
+
+CLEANFILES = *.a *.gcno *.la .libs *.lo *.o
+
+CLEANFILES_COV = *.css *.gcda *.html .libs/*.gcda
+
+CLEANFILES += ${CLEANFILES_COV}
+
+DISTCLEANFILES = .build ${CLEANFILES} config.h config.mk
+
+all:
+	${MAKE} build
+	${MAKE} debug
+	if ${HAVE_ASAN}; then ${MAKE} asan; fi
+	if ${HAVE_GCOV}; then ${MAKE} cov; fi
+
+asan:
+	${MAKE} ${LIB_ASAN}
+
+build:
+	${MAKE} ${LIB}
+
+clean:
+	rm -rf ${CLEANFILES}
+
+clean_cov:
+	rm -rf ${CLEANFILES_COV}
+
+cov:
+	${MAKE} ${LIB_COV}
+
+debug:
+	${MAKE} ${LIB_DEBUG}
+
+distclean:
+	rm -rf ${DISTCLEANFILES}
+
+gcovr:
+	gcovr --gcov-executable ${GCOV} --html-details libkc3_web.html
+
+install:
+	${INSTALL} -o ${OWNER} -g ${GROUP} -m 0755 -d ${prefix}/include/libkc3/ekc3
+	${LIBTOOL} --tag=CC --mode=install ${INSTALL} -o ${OWNER} -g ${GROUP} -m 0644 ${HEADERS} ${prefix}/include/libkc3/ekc3
+	${INSTALL} -o ${OWNER} -g ${GROUP} -m 0755 -d ${prefix}/lib
+	${LIBTOOL} --tag=CC --mode=install ${INSTALL} -o ${OWNER} -g ${GROUP} -m 0644 ${LIB} ${prefix}/lib
+	${LIBTOOL} --tag=CC --mode=install ${INSTALL} -o ${OWNER} -g ${GROUP} -m 0644 ${LIB_DEBUG} ${prefix}/lib
+	${LIBTOOL} --finish ${prefix}/lib
+
+test:
+
+update_sources:
+	./update_sources
+
+.PHONY: \
+	all \
+	asan \
+	build \
+	clean \
+	cov \
+	debug \
+	distclean \
+	gen \
+	install \
+	test \
+	update_sources \
+
+include config.mk
+include sources.mk
diff --git a/json/configure b/json/configure
new file mode 100755
index 0000000..150a098
--- /dev/null
+++ b/json/configure
@@ -0,0 +1,119 @@
+#!/bin/sh
+## kc3
+## Copyright 2022-2024 kmx.io <contact@kmx.io>
+##
+## Permission is hereby granted to use this software granted the above
+## copyright notice and this permission paragraph are included in all
+## copies and substantial portions of this software.
+##
+## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
+## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
+## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
+## THIS SOFTWARE.
+
+set -e
+
+echo "$PWD/configure"
+
+export SRC_TOP="$(dirname "$PWD")"
+
+CONFIG_H_PREFIX=KC3_JSON_
+
+. ../config.subr
+
+LIB=libkc3_json.la
+LIB_ASAN=libkc3_json_asan.la
+LIB_COV=libkc3_json_cov.la
+LIB_DEBUG=libkc3_json_debug.la
+
+echo "LIB = $LIB" >> ${CONFIG_MK}
+echo "LIB_ASAN = $LIB_ASAN" >> ${CONFIG_MK}
+echo "LIB_COV = $LIB_COV" >> ${CONFIG_MK}
+echo "LIB_DEBUG = $LIB_DEBUG" >> ${CONFIG_MK}
+
+. ./sources.sh
+
+OBJECTS="$(c2ext .main.lo "$SOURCES")"
+echo "OBJECTS = $OBJECTS" >> ${CONFIG_MK}
+OBJECTS_ASAN="$(c2ext .asan.lo "$SOURCES")"
+OBJECTS_COV="$(c2ext .cov.lo "$SOURCES")"
+OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
+
+# Common config for all targets
+CPPFLAGS="-I.. $CPPFLAGS"
+CFLAGS="$CFLAGS -W -Wall -Werror -std=c11 -pedantic -pipe"
+LDFLAGS="-export-dynamic $LDFLAGS -rdynamic"
+config_asan
+config_gnu
+config_i386
+pkg_config libbsd-overlay
+pkg_config libevent
+pkg_config libffi
+pkg_config libmd
+config_define PREFIX "\"${PREFIX}\""
+update_config_h
+LIBS="$LIBS -lm -rpath ${PREFIX}/lib"
+
+# Address Sanitizer config
+CPPFLAGS_ASAN="$CPPFLAGS"
+CFLAGS_ASAN="$CFLAGS -DDEBUG -O1 -g"
+CFLAGS_ASAN="$CFLAGS_ASAN -fsanitize=address -fno-omit-frame-pointer"
+LDFLAGS_ASAN="$LDFLAGS"
+LIBS_LOCAL_ASAN="../libkc3/libkc3_asan.la"
+LIBS_ASAN="$LIBS $LIBS_LOCAL_ASAN"
+
+# Coverage config
+CPPFLAGS_COV="$CPPFLAGS"
+CFLAGS_COV="$CFLAGS -fprofile-arcs -ftest-coverage"
+LDFLAGS_COV="$LDFLAGS --coverage"
+LIBS_LOCAL_COV="../libkc3/libkc3_cov.la"
+LIBS_COV="$LIBS $LIBS_LOCAL_COV -lgcov"
+
+# Debug config
+CPPFLAGS_DEBUG="$CPPFLAGS"
+CFLAGS_DEBUG="$CFLAGS -DDEBUG -O0 -g"
+LDFLAGS_DEBUG="$LDFLAGS"
+LIBS_LOCAL_DEBUG="../libkc3/libkc3_debug.la"
+LIBS_DEBUG="$LIBS $LIBS_LOCAL_DEBUG"
+
+# Main config
+DEFAULT_CFLAGS="-O2 -fPIC"
+if [ "x$ENV_CFLAGS" = "x" ]; then
+    CFLAGS="$CFLAGS $DEFAULT_CFLAGS"
+fi
+CFLAGS="$CFLAGS -DNDEBUG"
+LIBS_LOCAL="../libkc3/libkc3.la"
+LIBS="$LIBS $LIBS_LOCAL"
+
+echo "LIB = $LIB" >> ${CONFIG_MK}
+echo "HAVE_ASAN = $HAVE_ASAN" >> ${CONFIG_MK}
+echo "CPPFLAGS = $CPPFLAGS" >> ${CONFIG_MK}
+echo "CFLAGS = $CFLAGS" >> ${CONFIG_MK}
+echo "LDFLAGS = $LDFLAGS" >> ${CONFIG_MK}
+echo "LIBS = $LIBS" >> ${CONFIG_MK}
+echo >> ${CONFIG_MK}
+echo "LIB_ASAN = $LIB_ASAN" >> ${CONFIG_MK}
+echo "CPPFLAGS_ASAN = $CPPFLAGS_ASAN" >> ${CONFIG_MK}
+echo "CFLAGS_ASAN = $CFLAGS_ASAN" >> ${CONFIG_MK}
+echo "LDFLAGS_ASAN = $LDFLAGS_ASAN" >> ${CONFIG_MK}
+echo "LIBS_ASAN = $LIBS_ASAN" >> ${CONFIG_MK}
+echo >> ${CONFIG_MK}
+echo "LIB_COV = $LIB_COV" >> ${CONFIG_MK}
+echo "CPPFLAGS_COV = $CPPFLAGS_COV" >> ${CONFIG_MK}
+echo "CFLAGS_COV = $CFLAGS_COV" >> ${CONFIG_MK}
+echo "LDFLAGS_COV = $LDFLAGS_COV" >> ${CONFIG_MK}
+echo "LIBS_COV = $LIBS_COV" >> ${CONFIG_MK}
+echo >> ${CONFIG_MK}
+echo "LIB_DEBUG = $LIB_DEBUG" >> ${CONFIG_MK}
+echo "CPPFLAGS_DEBUG = $CPPFLAGS_DEBUG" >> ${CONFIG_MK}
+echo "CFLAGS_DEBUG = $CFLAGS_DEBUG" >> ${CONFIG_MK}
+echo "LDFLAGS_DEBUG = $LDFLAGS_DEBUG" >> ${CONFIG_MK}
+echo "LIBS_DEBUG = $LIBS_DEBUG" >> ${CONFIG_MK}
+
+update_build
+update_build_lib
+
+build_lo
+build_lib
+
+update_config_mk
diff --git a/json/json.c b/json/json.c
index cdb595a..0fe9a55 100644
--- a/json/json.c
+++ b/json/json.c
@@ -12,9 +12,6 @@
  */
 #include <libkc3/kc3.h>
 #include "json.h"
-#include "buf.h"
-#include "buf_parse.h"
-#include "tag.h"
 
 static bool parse_json(const s_buf *buf, s_tag *dest) {
   assert(buf);
@@ -34,4 +31,4 @@ s_tag *json_parse(const s_buf *buf, s_tag *dest) {
     return NULL;
   }
   return dest;
-}
\ No newline at end of file
+}
diff --git a/json/sources.mk b/json/sources.mk
new file mode 100644
index 0000000..7fccffe
--- /dev/null
+++ b/json/sources.mk
@@ -0,0 +1,7 @@
+# sources.mk generated by update_sources
+HEADERS = \
+	"json.h" \
+
+SOURCES = \
+	"json.c" \
+
diff --git a/json/sources.sh b/json/sources.sh
new file mode 100644
index 0000000..d8ed55d
--- /dev/null
+++ b/json/sources.sh
@@ -0,0 +1,3 @@
+# sources.sh generated by update_sources
+HEADERS='json.h '
+SOURCES='json.c '
diff --git a/json/update_sources b/json/update_sources
new file mode 100755
index 0000000..a4101fe
--- /dev/null
+++ b/json/update_sources
@@ -0,0 +1,28 @@
+#!/bin/sh
+## kc3
+## Copyright 2022-2024 kmx.io <contact@kmx.io>
+##
+## Permission is hereby granted to use this software granted the above
+## copyright notice and this permission paragraph are included in all
+## copies and substantial portions of this software.
+##
+## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
+## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
+## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
+## THIS SOFTWARE.
+
+. ../config.subr
+
+echo "$PWD/update_sources"
+
+echo "# sources.mk generated by update_sources" > ${SOURCES_MK}
+echo "# sources.sh generated by update_sources" > ${SOURCES_SH}
+
+HEADERS="$(ls *.h | grep -v '^config.h$')"
+sources HEADERS "$HEADERS"
+
+SOURCES="$(ls *.c)"
+sources SOURCES "$SOURCES"
+
+update_sources_mk
+update_sources_sh
diff --git a/test/Makefile b/test/Makefile
index 5f9c40b..caf73a7 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -71,12 +71,6 @@ distclean:
 gcovr:
 	gcovr --gcov-executable ${GCOV} --html-details test.html
 
-gdb_httpd:
-	cd httpd && ${GDB} ../../httpd/.libs/kc3_httpd_debug
-
-gdb_httpd_asan:
-	cd httpd && ${GDB} ../../httpd/.libs/kc3_httpd_asan
-
 gdb_test: debug
 	if [ -f libkc3_test_debug.core ]; then ${GDB} .libs/libkc3_test_debug libkc3_test_debug.core; else ${GDB} .libs/libkc3_test_debug; fi
 
@@ -89,9 +83,18 @@ gdb_test_http:
 gdb_test_http_asan:
 	cd http && ${GDB} ../../ikc3/.libs/ikc3_asan
 
+gdb_test_httpd:
+	cd httpd && ${GDB} ../../httpd/.libs/kc3_httpd_debug
+
+gdb_test_httpd_asan:
+	cd httpd && ${GDB} ../../httpd/.libs/kc3_httpd_asan
+
 gdb_test_ikc3:
 	cd ikc3 && ${GDB} ../../ikc3/.libs/ikc3_debug
 
+gdb_test_json:
+	cd json && ${GDB} ../../ikc3/.libs/ikc3_debug
+
 lldb_test: debug
 	if [ -f libkc3_test_debug.core ]; then lldb .libs/libkc3_test_debug libkc3_test_debug.core; else lldb .libs/libkc3_test_debug; fi
 
@@ -167,6 +170,18 @@ test_ikc3_cov:
 test_ikc3_debug:
 	IKC3=${SRC_TOP}/ikc3/ikc3_debug time ./ikc3_test
 
+test_json:
+	IKC3=${SRC_TOP}/ikc3/ikc3 time ./json_test
+
+test_json_asan:
+	IKC3=${SRC_TOP}/ikc3/ikc3_asan time ./json_test
+
+test_json_cov:
+	IKC3=${SRC_TOP}/ikc3/ikc3_cov time ./json_test
+
+test_json_debug:
+	IKC3=${SRC_TOP}/ikc3/ikc3_debug time ./json_test
+
 test_libkc3: libkc3_test
 	time ./libkc3_test
 
@@ -176,7 +191,29 @@ test_libkc3_cov: libkc3_test_cov
 test_valgrind: libkc3_test
 	valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./libkc3_test
 
-.PHONY: all asan cov debug clean clean_cov distclean ikc3_test_cov libkc3_test_cov test test_asan test_cov test_debug test_ikc3 test_valgrind
+.PHONY: all \
+	asan \
+	cov \
+	debug \
+	clean \
+	clean_cov \
+	distclean_test_cov \
+	gdb_test \
+	gdb_test_ekc3 \
+	gdb_test_http \
+	gdb_test_http_asan \
+	gdb_test_httpd \
+	gdb_test_httpd_asan \
+	gdb_test_ikc3 \
+	gdb_test_json \
+	libkc3_test_cov \
+	test \
+	test_asan \
+	test_cov \
+	test_debug \
+	test_ikc3 \
+	test_ikc3 \
+	test_valgrind
 
 include config.mk
 include sources.mk
diff --git a/test/json_test b/test/json_test
new file mode 100755
index 0000000..8a6f018
--- /dev/null
+++ b/test/json_test
@@ -0,0 +1,92 @@
+#!/bin/sh
+cd "$(dirname $0)/json" || exit
+
+TEST_COLOR_KO=""
+TEST_COLOR_OK=""
+TEST_COLOR_RESET=""
+TEST_COUNT=0
+TEST_KO=0
+TEST_OK=0
+
+if [ "x$IKC3" = "x" ]; then
+    if [ -f ../../ikc3/ikc3 ]; then
+	IKC3=../../ikc3/ikc3
+    elif [ -f ../../ikc3 ]; then
+	IKC3=../../ikc3
+    fi
+fi
+
+test_ko() {
+    printf "%s" "${TEST_COLOR_KO}F${TEST_COLOR_RESET}"
+    echo $@ >> .test_ko
+    echo $@ >> .test
+}
+
+test_ok() {
+    printf "%s" "${TEST_COLOR_OK}.${TEST_COLOR_RESET}"
+    echo $@ >> .test_ok
+    echo $@ >> .test
+}
+
+if [ $# = 0 ]; then
+    if [ "x${IKC3_TEST}" = "x" ]; then
+        TARGETS="$(ls -1 *.kc3 | sed -e 's/[.]kc3$//')"
+    else
+        TARGETS="${IKC3_TEST}"
+    fi
+else
+    TARGETS="$@"
+fi
+
+rm -f *.diff *.out *.ret
+rm -f .test .test_ko .test_ok
+touch .test .test_ko .test_ok
+for TARGET in $TARGETS; do
+    (
+        RESULT=test_ok
+        echo $TARGET > current_test
+        $IKC3 --load ${TARGET}.kc3 --quit > ${TARGET}.out 2>&1
+        echo $? > ${TARGET}.ret
+        if ! diff -abu ${TARGET}.out.expected ${TARGET}.out \
+             > ${TARGET}.diff
+        then
+            RESULT=test_ko
+        fi
+        if ! diff -abu ${TARGET}.ret.expected ${TARGET}.ret \
+             >> ${TARGET}.diff
+        then
+            RESULT=test_ko
+        fi
+        if [ "x$RESULT" = "xtest_ok" ]; then
+            rm ${TARGET}.diff
+            test_ok ${TARGET}
+        else
+            test_ko ${TARGET}
+        fi
+    )
+    sleep 2
+done
+wait
+TEST_COUNT=$(echo $(wc -l .test) | cut -f 1 -d ' ')
+TEST_KO=$(echo $(wc -l .test_ko) | cut -f 1 -d ' ')
+TEST_OK=$(echo $(wc -l .test_ok) | cut -f 1 -d ' ')
+echo
+DIFFS="$(for TARGET in $TARGETS; do
+    if [ -f "${TARGET}.diff" ]; then
+        printf "%s " "${TARGET}.diff"
+    fi
+done)"
+if [ "x$DIFFS" != "x" ]; then
+    ls $DIFFS
+    less $DIFFS || cat $DIFFS
+fi
+echo
+printf "%s" "Total $TEST_COUNT tests. "
+printf "%s" "${TEST_COLOR_OK}OK $TEST_OK ($(($TEST_OK * 100 / $TEST_COUNT))%)${TEST_COLOR_RESET}. "
+echo "${TEST_COLOR_KO}KO $TEST_KO ($(($TEST_KO * 100 / $TEST_COUNT))%)${TEST_COLOR_RESET}."
+
+if [ "x$TEST_KO" = "x0" ]; then
+    exit 0
+fi
+
+exit 1
diff --git a/update_sources b/update_sources
index 7920de2..fea9748 100755
--- a/update_sources
+++ b/update_sources
@@ -84,6 +84,7 @@ update_sources_sh
 ( cd ikc3       && ./update_sources; )
 ( cd kc3s       && ./update_sources; )
 ( cd ekc3       && ./update_sources; )
+( cd json       && ./update_sources; )
 ( cd http       && ./update_sources; )
 ( cd httpd      && ./update_sources; )
 ( cd test       && ./update_sources; )