Make use of NULL

Replace all (type *)0 with NULL

Created with coccinelle patch:

@@
type T;
@@
-(T*)0
+NULL

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>

2 files changed, 5 insertions, 5 deletions

diff --git a/testcases/misc/math/float/main.c b/testcases/misc/math/float/main.c
index e947d0ffd..d71ca18e6 100644
--- a/testcases/misc/math/float/main.c
+++ b/testcases/misc/math/float/main.c
@@ -133,8 +133,8 @@ int main(int argc, char *argv[])
 
 	tst_tmpdir();
 
-	setbuf(stdout, (char *)0);
-	setbuf(stderr, (char *)0);
+	setbuf(stdout, NULL);
+	setbuf(stderr, NULL);
 	datadir[0] = '.';
 	datadir[1] = '\0';
 
diff --git a/testcases/misc/math/float/thread_code.c b/testcases/misc/math/float/thread_code.c
index 4eb6ff668..ca18cef1e 100644
--- a/testcases/misc/math/float/thread_code.c
+++ b/testcases/misc/math/float/thread_code.c
@@ -69,7 +69,7 @@ static size_t read_file(char *fname, void **data)
 		return (size_t) 0;
 	}
 
-	while ((buffer = malloc(fsize)) == (void *)0) {
+	while ((buffer = malloc(fsize)) == NULL) {
 		if (errno == EINTR || errno == 0) {
 			printf("Error malloc'ing: %s\n", strerror(errno));
 			pthread_testcancel();
@@ -278,7 +278,7 @@ void *thread_code(void *arg)
 {
 	TH_DATA *th_data = (TH_DATA *) arg;
 	size_t fsize, fsize2, fsize3;
-	double *din, *dex, *dex2 = (double *)0;
+	double *din, *dex, *dex2 = NULL;
 	int imax, index;
 
 	fsize = read_file(th_data->th_func.din_fname, (void **)&din);
@@ -408,5 +408,5 @@ file_size_error:
 	SAFE_FREE(dex);
 	if (fsize3)
 		SAFE_FREE(dex2);
-	pthread_exit((void *)0);
+	pthread_exit(NULL);
 }