Move coreutils to single source files instead of their own directories

Author: byteduck

programs/coreutils/CMakeLists.txt

@@ -1,17 +1,27 @@
-ADD_SUBDIRECTORY(ls/)
-ADD_SUBDIRECTORY(cat/)
-ADD_SUBDIRECTORY(cp/)
-ADD_SUBDIRECTORY(ps/)
-ADD_SUBDIRECTORY(pwd/)
-ADD_SUBDIRECTORY(rm/)
-ADD_SUBDIRECTORY(ln/)
-ADD_SUBDIRECTORY(mv/)
-ADD_SUBDIRECTORY(rmdir/)
-ADD_SUBDIRECTORY(mkdir/)
-ADD_SUBDIRECTORY(touch/)
-ADD_SUBDIRECTORY(truncate/)
-ADD_SUBDIRECTORY(echo/)
-ADD_SUBDIRECTORY(chmod/)
-ADD_SUBDIRECTORY(chown/)
-ADD_SUBDIRECTORY(free/)
-ADD_SUBDIRECTORY(apprun/)
+function(MAKE_COREUTIL PROGNAME)
+    SET(SOURCES ${PROGNAME}.cpp)
+    MAKE_PROGRAM(${PROGNAME})
+endfunction()
+
+MAKE_COREUTIL(apprun)
+TARGET_LINK_LIBRARIES(apprun libapp)
+MAKE_COREUTIL(cat)
+TARGET_LINK_LIBRARIES(cat libduck)
+MAKE_COREUTIL(chmod)
+MAKE_COREUTIL(chown)
+MAKE_COREUTIL(cp)
+MAKE_COREUTIL(echo)
+MAKE_COREUTIL(free)
+TARGET_LINK_LIBRARIES(free libsys)
+MAKE_COREUTIL(ln)
+MAKE_COREUTIL(ls)
+TARGET_LINK_LIBRARIES(ls libduck)
+MAKE_COREUTIL(mkdir)
+MAKE_COREUTIL(mv)
+MAKE_COREUTIL(ps)
+TARGET_LINK_LIBRARIES(ps libsys)
+MAKE_COREUTIL(pwd)
+MAKE_COREUTIL(rm)
+MAKE_COREUTIL(rmdir)
+MAKE_COREUTIL(touch)
+MAKE_COREUTIL(truncate)

programs/coreutils/apprun/main.cpp renamed to programs/coreutils/apprun.cpp

@@ -55,7 +55,7 @@ int main(int argc, char** argv) {
 	errno = 0;
 
 	ssize_t nread;
-	char* buf = malloc(1024);
+	auto* buf = (char*) malloc(1024);
 	while((nread = read(from_fd, buf, 1024))) {
 		ssize_t nwrote;
 		nwrote = write(to_fd, buf, nread);