Initial OpenBSD support

Reactor is not really implemented yet but at least
it builds and the tests run.

5 files changed, 61 insertions, 7 deletions

diff --git a/Makefile b/Makefile
index cb3d941..82ef47b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,6 @@
 # Makefile for bmake
-.OBJDIR: ./build
 .PHONY: default clean check run debug debug-tests install format
-
+.OBJDIR: ./build
 SYNTAX_ENABLE ?= true
 
 default: dged
@@ -29,7 +28,7 @@ TEST_SOURCES = test/assert.c test/buffer.c test/text.c test/utf8.c test/main.c \
 	test/command.c test/keyboard.c test/fake-reactor.c test/allocator.c \
 	test/minibuffer.c test/undo.c test/settings.c test/container.c
 
-prefix ?= /usr
+prefix ?= /usr/local
 datadir = $(prefix)/share/dged
 
 .SUFFIXES:
@@ -60,6 +59,8 @@ UNAME_S != uname -s | tr '[:upper:]' '[:lower:]'
 .  include "$(.CURDIR)/$(UNAME_S).mk"
 .endif
 
+FORMAT_TOOL ?= clang-format
+
 DEPS = $(SOURCES:.c=.d) $(MAIN_SOURCES:.c=.d) $(TEST_SOURCES:.c=.d)
 
 OBJS = $(SOURCES:.c=.o)
@@ -99,7 +100,7 @@ run-tests: $(TEST_OBJS) $(OBJS)
 	$(CC) $(LDFLAGS) $(TEST_OBJS) $(OBJS) -lm -o run-tests
 
 check: run-tests
-	clang-format --dry-run --Werror $(SOURCES:%.c=../%.c) $(MAIN_SOURCES:%.c=../%.c) $(TEST_SOURCES:%c=../%c) $(HEADERS:%.h=../%.h)
+	$(FORMAT_TOOL) --dry-run --Werror $(SOURCES:%.c=../%.c) $(MAIN_SOURCES:%.c=../%.c) $(TEST_SOURCES:%c=../%c) $(HEADERS:%.h=../%.h)
 	./run-tests
 
 run: dged
@@ -112,7 +113,7 @@ debug-tests: run-tests
 	gdb ./run-tests
 
 format:
-	clang-format -i $(SOURCES:%.c=../%.c) $(MAIN_SOURCES:%.c=../%.c) $(TEST_SOURCES:%c=../%c) $(HEADERS:%.h=../%.h)
+	$(FORMAT_TOOL) -i $(SOURCES:%.c=../%.c) $(MAIN_SOURCES:%.c=../%.c) $(TEST_SOURCES:%c=../%c) $(HEADERS:%.h=../%.h)
 
 clean:
 	rm -f $(FILES)
diff --git a/openbsd.mk b/openbsd.mk
new file mode 100644
index 0000000..59e6ed2
--- /dev/null
+++ b/openbsd.mk
@@ -0,0 +1,4 @@
+CFLAGS += -DOPENBSD -DBSD
+
+PLATFORM_SOURCES += src/dged/reactor-kqueue.c
+FORMAT_TOOL = clang-format-13
diff --git a/src/dged/buffer_view.c b/src/dged/buffer_view.c
index 23bd8e2..49d938a 100644
--- a/src/dged/buffer_view.c
+++ b/src/dged/buffer_view.c
@@ -353,7 +353,11 @@ static void render_modeline(struct modeline *modeline, struct buffer_view *view,
   if (strcmp(buf, (char *)modeline->buffer) != 0) {
     modeline->buffer = realloc(modeline->buffer, width * 4);
     modeline->sz = width * 4;
-    strcpy((char *)modeline->buffer, buf);
+
+    uint32_t len = strlen(buf);
+    len = (len + 1) > modeline->sz ? modeline->sz - 1 : len;
+    memcpy(modeline->buffer, buf, len);
+    modeline->buffer[len] = '\0';
   }
 
   command_list_set_index_color_bg(commands, 8);
diff --git a/src/dged/reactor-kqueue.c b/src/dged/reactor-kqueue.c
new file mode 100644
index 0000000..5543c04
--- /dev/null
+++ b/src/dged/reactor-kqueue.c
@@ -0,0 +1,45 @@
+#include "reactor.h"
+
+#include <stdlib.h>
+
+struct reactor {
+
+};
+
+struct reactor *reactor_create() {
+  struct reactor *reactor = calloc(1, sizeof(struct reactor));
+
+  return reactor;
+}
+
+void reactor_destroy(struct reactor *reactor) {
+  free(reactor);
+}
+
+void reactor_update(struct reactor *reactor) {
+
+}
+
+bool reactor_poll_event(struct reactor *reactor, uint32_t ev_id) {
+  return false;
+}
+
+uint32_t reactor_register_interest(struct reactor *reactor, int fd, enum interest interest) {
+  return -1;
+}
+
+uint32_t reactor_watch_file(struct reactor *reactor, const char *path, uint32_t mask) {
+  return -1;
+}
+
+void reactor_unwatch_file(struct reactor *reactor, uint32_t id) {
+
+}
+
+bool reactor_next_file_event(struct reactor *reactor, struct file_event *out) {
+  return false;
+}
+
+void reactor_unregister_interest(struct reactor *reactor, uint32_t ev_id) {
+
+}
diff --git a/src/dged/settings.c b/src/dged/settings.c
index fc7d23c..e63862f 100644
--- a/src/dged/settings.c
+++ b/src/dged/settings.c
@@ -150,7 +150,7 @@ static int32_t parse_toml(struct parser *state, char **errmsgs[]) {
 
       curkey = calloc(len, 1);
       if (curtbl != NULL) {
-        strcpy(curkey, curtbl);
+        memcpy(curkey, curtbl, strlen(curtbl));
         curkey[strlen(curtbl)] = '.';
       }