sysman: fix warnings which are occurred during compiling

- Log macros are changed to its own macro
- Return values are checked for write() operaiton

Change-Id: If5eab574172757ccd69b8ff8afa12e58a100c85f
Signed-off-by: Taeyoung Kim <ty317.kim@samsung.com>

2 files changed, 26 insertions, 8 deletions

diff --git a/src/libsysman/sysconf.c b/src/libsysman/sysconf.c
index 856faa78..726097e2 100644
--- a/src/libsysman/sysconf.c
+++ b/src/libsysman/sysconf.c
@@ -18,6 +18,7 @@
 
 
 #include <stdio.h>
+#include <unistd.h>
 #include <dd-deviced.h>
 
 #include "sysman-priv.h"
diff --git a/src/libsysman/sysnoti.c b/src/libsysman/sysnoti.c
index d2724619..b2faead7 100644
--- a/src/libsysman/sysnoti.c
+++ b/src/libsysman/sysnoti.c
@@ -44,18 +44,35 @@ static inline int send_int(int fd, int val)
 
 static inline int send_str(int fd, char *str)
 {
-	int len;
+	int len = 0;
 	int ret;
+
 	if (str == NULL) {
-		len = 0;
 		ret = write(fd, &len, sizeof(int));
-	} else {
-		len = strlen(str);
-		if (len > SYSMAN_MAXSTR)
-			len = SYSMAN_MAXSTR;
-		write(fd, &len, sizeof(int));
-		ret = write(fd, str, len);
+		if (ret < 0) {
+			ret = -errno;
+			ERR("write() failed (%d)", ret);
+		}
+		return ret;
+	}
+
+	len = strlen(str);
+	if (len > SYSMAN_MAXSTR)
+		len = SYSMAN_MAXSTR;
+
+	ret = write(fd, &len, sizeof(int));
+	if (ret < 0) {
+		ret = -errno;
+		ERR("write() failed (%d)", ret);
+		return ret;
+	}
+
+	ret = write(fd, str, len);
+	if (ret < 0) {
+		ret = -errno;
+		ERR("write() failed (%d)", ret);
 	}
+
 	return ret;
 }