kc3-lang/smtp

diff --git a/.gitignore b/.gitignore
index 78558ed..af754e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
-build/
-test/config
+.build*
+config.*
+*.la
+.libs
+*.lo
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6996231
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,77 @@
+## 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 ${prefix}/lib
+
+test:
+
+update_sources:
+	./update_sources
+
+.PHONY: \
+	all \
+	asan \
+	build \
+	clean \
+	cov \
+	debug \
+	distclean \
+	install \
+	test \
+	update_sources \
+
+include config.mk
+include sources.mk
diff --git a/configure b/configure
new file mode 100755
index 0000000..1b170e8
--- /dev/null
+++ b/configure
@@ -0,0 +1,123 @@
+#!/bin/sh
+## kc3
+## Copyright 2022-2024 kmx.io <contact@kmx.io>
+##
+## Permission is hereby granted to use this software granted the above
+## copyright notice and this permission paragraph are included in all
+## copies and substantial portions of this software.
+##
+## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
+## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
+## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
+## THIS SOFTWARE.
+
+set -e
+
+echo "$PWD/configure"
+
+export SRC_TOP="$(dirname "$PWD")"
+
+CONFIG_H_PREFIX=KC3_SMTP_
+
+. ../config.subr
+
+LIB=libkc3_smtp.la
+LIB_ASAN=libkc3_smtp_asan.la
+LIB_COV=libkc3_smtp_cov.la
+LIB_DEBUG=libkc3_smtp_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 $LDFLAGS -rdynamic"
+config_asan
+config_gnu
+config_i386
+config_win32
+pkg_config libbsd-overlay
+pkg_config libevent
+pkg_config libffi
+pkg_config libmd
+config_define PREFIX "\"${PREFIX}\""
+update_config_h
+LIBS="$LIBS -lm -rpath ${PREFIX}/lib"
+if $HAVE_WIN32; then
+    LIBS="$LIBS -lws2_32"
+fi
+
+# 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" >> ${CONFIG_MK}
+
+update_build
+update_build_lib
+
+build_lo
+build_lib
+
+update_config_mk
diff --git a/sources.mk b/sources.mk
new file mode 100644
index 0000000..f7046e5
--- /dev/null
+++ b/sources.mk
@@ -0,0 +1,7 @@
+# sources.mk generated by update_sources
+HEADERS = \
+	"smtp.h" \
+
+SOURCES = \
+	"smtp.c" \
+
diff --git a/sources.sh b/sources.sh
new file mode 100644
index 0000000..e0b3fc8
--- /dev/null
+++ b/sources.sh
@@ -0,0 +1,3 @@
+# sources.sh generated by update_sources
+HEADERS='smtp.h '
+SOURCES='smtp.c '
diff --git a/update_sources b/update_sources
new file mode 100755
index 0000000..a4101fe
--- /dev/null
+++ b/update_sources
@@ -0,0 +1,28 @@
+#!/bin/sh
+## kc3
+## Copyright 2022-2024 kmx.io <contact@kmx.io>
+##
+## Permission is hereby granted to use this software granted the above
+## copyright notice and this permission paragraph are included in all
+## copies and substantial portions of this software.
+##
+## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
+## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
+## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
+## THIS SOFTWARE.
+
+. ../config.subr
+
+echo "$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