[PATCH] wdmd: fix miscellaneous build warnings

[Federico Simoncelli]

Fixed warnings:
* wdmd: _FORTIFY_SOURCE requires compiling with optimization (-O)
* wdmd: initialization discards ‘const’ qualifier from pointer target type
* ignoring return value of ‘write’

Signed-off-by: Federico Simoncelli 
---
 wdmd/Makefile | 2 +-
 wdmd/main.c   | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/wdmd/Makefile b/wdmd/Makefile
index de6b035..bf871c5 100644
--- a/wdmd/Makefile
+++ b/wdmd/Makefile
@@ -21,7 +21,7 @@ LIB_SOURCE = client.c wdmd_sock.c

TEST_SOURCE = wdmd_client.c

-CFLAGS += -D_GNU_SOURCE -g \
+CFLAGS += -D_GNU_SOURCE -g -O2 \
    -Wall \
    -Wformat \
    -Wformat-security \
diff --git a/wdmd/main.c b/wdmd/main.c
index d1666b9..126524c 100644
--- a/wdmd/main.c
+++ b/wdmd/main.c
@@ -63,8 +63,8 @@ static int shm_fd;

static int allow_scripts;
 static int kill_script_sec;
-static char *scripts_dir = (char *)"/etc/wdmd.d";
-static char *watchdog_path = "/dev/watchdog";
+static const char *scripts_dir = "/etc/wdmd.d";
+static const char *watchdog_path = "/dev/watchdog";

struct script_status {
    uint64_t start;
@@ -1309,7 +1309,7 @@ static void print_debug_and_exit(void)
    if (rv < 0)
    	exit(1);

-	write(STDOUT_FILENO, debug_buf, strlen(debug_buf));
+	rv = write(STDOUT_FILENO, debug_buf, strlen(debug_buf));

exit(0);
 }