cleanup code and dont use %m glibcism

diff --git a/test/misc/sem.c b/test/misc/sem.c
index 7606fd1..029386d 100644 (file)
--- a/test/misc/sem.c
+++ b/test/misc/sem.c
@@ -5,39 +5,39 @@
 
 int main(void)
 {
-    int k, r;
-    union semun {
-       int val;
-       struct semid_ds *buf;
-       unsigned short int *array;
-       struct seminfo *__buf;
-    } sd;
-    struct semid_ds sd_buf;
-
-    k = semget(IPC_PRIVATE, 10, IPC_CREAT | 0666 );
-    printf("%d\n", k);
-
-    if (k < 0) {
-       printf("semget failed: %m\n");
-       return 1;
-    }
-
-    sd.buf = &sd_buf;
-    r = semctl(k, 0, IPC_STAT, sd);
-    printf("%d\n", r);
-
-    if (r < 0) {
-       printf("semctl IPC_STAT failed: %m\n");
-       return 1;
-    }
-
-    printf("sem_nsems = %lu\n", sd_buf.sem_nsems);
-    if (sd_buf.sem_nsems != 10) {
-       printf("failed: incorrect sem_nsems!\n");
-       return 1;
-    }
-
-    printf("succeeded\n");
-
-    return 0;
+       int k, r;
+       union semun {
+               int val;
+               struct semid_ds *buf;
+               unsigned short int *array;
+               struct seminfo *__buf;
+       } sd;
+       struct semid_ds sd_buf;
+
+       k = semget(IPC_PRIVATE, 10, IPC_CREAT | 0666 );
+       printf("semget(IPC_CREAT) = %d\n", k);
+
+       if (k < 0) {
+               fprintf(stderr, "semget failed: %m\n");
+               return 1;
+       }
+
+       sd.buf = &sd_buf;
+       r = semctl(k, 0, IPC_STAT, sd);
+       printf("semctl(k) = %d\n", r);
+
+       if (r < 0) {
+               perror("semctl IPC_STAT failed");
+               return 1;
+       }
+
+       printf("sem_nsems = %lu\n", sd_buf.sem_nsems);
+       if (sd_buf.sem_nsems != 10) {
+               fprintf(stderr, "failed: incorrect sem_nsems!\n");
+               return 1;
+       }
+
+       printf("succeeded\n");
+
+       return 0;
 }