From 7c3e97c18bf2e7ea2f82a33fa8cae17d30bd0deb Mon Sep 17 00:00:00 2001
From: Claudio Matsuoka <cmatsuoka@gmail.com>
Date: Tue, 5 Feb 2008 10:48:19 -0200
Subject: [PATCH] Add makepath() to avoid forking mkdir

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
---
 Makefile    | 10 +---------
 finit-mod.c | 25 ++++++++++++++++++++++---
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/Makefile b/Makefile
index 8baffb83..9b56c52e 100644
--- a/Makefile
+++ b/Makefile
@@ -9,15 +9,7 @@ LIBS	=
 
 all: finit finit-mod finit-mdv
 
-finit: finit.o
-	$(LD) $(LDFLAGS) -o $@ $+ $(LIBS)
-	strip $@
-
-finit-mod: finit-mod.o
-	$(LD) $(LDFLAGS) -o $@ $+ $(LIBS)
-	strip $@
-
-finit-mdv: finit-mdv.o
+%: %.o
 	$(LD) $(LDFLAGS) -o $@ $+ $(LIBS)
 	strip $@
 
diff --git a/finit-mod.c b/finit-mod.c
index 5df58148..fe204a85 100644
--- a/finit-mod.c
+++ b/finit-mod.c
@@ -27,7 +27,9 @@ THE SOFTWARE.
 Changelog from the original Eeepc fastinit:
 
 - Use mknod() instead of close(creat()) call to create empty file
-
+- Fix random seed initialization
+- Don't try to handle signal 0
+- Implement makepath() to avoid system("mkdir -p")
 
 */
 
@@ -61,6 +63,23 @@ Changelog from the original Eeepc fastinit:
 #define touch(x) mknod((x), S_IFREG|0644, 0)
 
 
+int makepath(char *p)
+{
+	char *x, path[PATH_MAX];
+	int ret;
+	
+	x = path;
+
+	do {
+		do { *x++ = *p++; } while (*p && *p != '/');
+		ret = mkdir(path, 0777);
+	} while (*p && (*p != '/' || *(p + 1))); /* ignore trailing slash */
+
+	return ret;
+}
+
+
+
 void shutdown(int);
 void signal_handler(int);
 void chld_handler(int);
@@ -145,8 +164,8 @@ int main()
 	/*
 	 * Network stuff
 	 */
-	system("mkdir -p /dev/shm/network");
-	system("mkdir -p /dev/shm/resolvconf/interface");
+	makepath("/dev/shm/network");
+	makepath("/dev/shm/resolvconf/interface");
 
 	if ((dir = opendir("/etc/resolvconf/run/interface")) != NULL) {
 		while ((d = readdir(dir)) != NULL) {