tmpfiles: refactor into separate executable

plugins/bootmisc.c

@@ -38,7 +38,6 @@
 #include "finit.h"
 #include "helpers.h"
 #include "plugin.h"
-#include "tmpfiles.h"
 #include "util.h"
 #include "utmp-api.h"
 
@@ -163,7 +162,7 @@ static void setup(void *arg)
 	kernel_links();
 
 	/* Create all system tmpfiles.d(5) */
-	tmpfilesd();
+	run_interactive(_PATH_TMPFILES " --create", "Creating required directories and files");
 
 	/* Set BOOT_TIME UTMP entry */
 	utmp_set_boot();

src/Makefile.am

@@ -8,7 +8,7 @@ AM_LDFLAGS         = -export-dynamic
 endif
 
 sbin_PROGRAMS        = finit initctl
-pkglibexec_PROGRAMS  = getty logit runparts
+pkglibexec_PROGRAMS  = getty logit runparts tmpfiles
 if SULOGIN
 pkglibexec_PROGRAMS += sulogin
 endif
@@ -43,6 +43,13 @@ sulogin_SOURCES      = sulogin.c
 sulogin_CFLAGS       = -W -Wall -Wextra -std=gnu99
 sulogin_LDADD        = -lcrypt
 
+tmpfiles_SOURCES     = tmpfiles.c helpers.c util.c exec.c log.c \
+											 svc.c sig.c sm.c api.c mount.c service.c schedule.c cond.c cond-w.c pid.c plugin.c \
+											 utmp-api.c client.c cgroup.c mdadm.c tty.c iwatch.c conf.c devmon.c logrotate.c
+tmpfiles_CFLAGS      = -W -Wall -Wextra -std=gnu99 -D__FINIT__
+tmpfiles_CFLAGS     += $(lite_CFLAGS) $(uev_CFLAGS)
+tmpfiles_LDADD       = $(lite_LIBS) $(uev_LIBS)
+
 logit_SOURCES        = logit.c logrotate.c
 logit_CFLAGS         = -W -Wall -Wextra -Wno-unused-parameter -std=gnu99
 logit_CFLAGS        += $(lite_CFLAGS)
@@ -66,7 +73,6 @@ finit_SOURCES      = api.c	cgroup.c	cgroup.h	\
 		     sig.c	sig.h				\
 		     sm.c	sm.h				\
 		     svc.c	svc.h				\
-		     tmpfiles.c	tmpfiles.h			\
 		     tty.c	tty.h				\
 		     util.c	util.h				\
 		     utmp-api.c	utmp-api.h

src/finit.h

@@ -59,6 +59,7 @@
 #define _PATH_RUNPARTS          FINIT_EXECPATH_ "/runparts"
 #define _PATH_SULOGIN           FINIT_EXECPATH_ "/sulogin"
 #define _PATH_GETTY             FINIT_EXECPATH_ "/getty"
+#define _PATH_TMPFILES          FINIT_EXECPATH_ "/tmpfiles"
 
 #define CMD_SIZE                1024
 #define LINE_SIZE               1024

src/helpers.h

@@ -26,6 +26,7 @@
 #define FINIT_HELPERS_H_
 
 #include <ctype.h>
+#include <dirent.h>
 #include <fcntl.h>
 #include <stdarg.h>
 #include <stdlib.h>
@@ -206,6 +207,22 @@ static inline char *fgetval(const char *line, const char *key, char *sep)
 	return realloc(copy, len);
 }
 
+static inline int is_dir_empty(const char *path)
+{
+	struct dirent **namelist;
+	int num;
+
+	num = scandir(path, &namelist, NULL, NULL);
+	if (num < 0)
+		return 0;
+
+	for (int i = 0; i < num; i++)
+		free(namelist[i]);
+	free(namelist);
+
+	return num >= 3;
+}
+
 #endif /* FINIT_HELPERS_H_ */
 
 /**