Convert touch() et al to inline functions

The touch(), makedir(), makefifo(), and erase() macros print warnings to
stderr, which mess up the logging in Finit.  This patch refactors these
macros into inline functions and in the process removes the warn() use.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

lite.h

@@ -25,7 +25,7 @@
 #ifndef LITE_H_
 #define LITE_H_
 
-#include <err.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdint.h>    /* uint8_t, uint16_t, uint32_t, INT32_MAX, etc. */
 #include <sys/stat.h>
@@ -71,7 +71,7 @@ int     mkpath     (char *dir, mode_t mode);
 int     makepath   (char *dir);
 
 int     dir        (const char *dir, const char *type, int (*filter) (const char *file), char ***list, int strip);
-int     rsync      (char *src, char *dst, int delete, int (*filter) (const char *file));
+int     rsync      (char *src, char *dst, int delete,  int (*filter) (const char *file));
 
 int     pidfile       (const char *basename);
 int     pidfile_signal(const char *pidfile, int signal);
@@ -86,17 +86,38 @@ void    progress       (int percent, int max_width);
 void    progress_simple(int percent);
 
 #ifndef touch
-# define touch(x) do { if (mknod((x), S_IFREG|0644, 0) && errno != EEXIST) warn("Failed creating %s", x); } while (0)
+static inline int touch(const char *path)
+{
+	if (mknod((path), S_IFREG|0644, 0) && errno != EEXIST)
+		return -1;
+	return 0;
+}
 #endif
 #ifndef makedir
-# define makedir(x, p) do { if (mkdir(x, p) && errno != EEXIST) warn("Failed creating directory %s", x); } while (0)
+static inline int makedir(const char *path, mode_t mode)
+{
+	if (mkdir(path, mode) && errno != EEXIST)
+		return -1;
+	return 0;
+}
 #endif
 #ifndef makefifo
-# define makefifo(x, p) do { if (mkfifo(x, p) && errno != EEXIST) warn("Failed creating FIFO %s", x); } while (0)
+static inline int makefifo(const char *path, mode_t mode)
+{
+	if (mkfifo(path, mode) && errno != EEXIST)
+		return -1;
+	return 0;
+}
 #endif
 #ifndef erase
-# define erase(x) do { if (remove(x) && errno != ENOENT) warn("Failed removing %s", x); } while (0)
+static inline int erase(const char *path)
+{
+	if (remove(path) && errno != ENOENT)
+		return -1;
+	return 0;
+}
 #endif
+
 #ifndef chardev
 # define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))
 #endif