Initial revision

test/test14.c

@@ -0,0 +1,82 @@
+/* Test 14. unlinking an open file. */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#define TRIALS 100
+#define MAX_ERROR 4
+
+char name[20] = {"TMP14."};
+int errct;
+int subtest = 1;
+
+_PROTOTYPE(int main, (void));
+_PROTOTYPE(void e, (int n));
+_PROTOTYPE(void quit, (void));
+
+int main()
+{
+  int fd0, i, pid;
+
+  printf("Test 14 ");
+  fflush(stdout);
+
+  system("rm -rf DIR_14; mkdir DIR_14");
+  chdir("DIR_14");
+
+  pid = getpid();
+  name[6] = (pid & 037) + 33;
+  name[7] = ((pid * pid) & 037) + 33;
+  name[8] = 0;
+
+
+  for (i = 0; i < TRIALS; i++) {
+	if ( (fd0 = creat(name, 0777)) < 0) e(1);
+	if (write(fd0, name, 20) != 20) e(2);
+	if (unlink(name) != 0) e(3);
+	if (close(fd0) != 0) e(4);
+  }
+
+
+  fd0 = creat(name, 0777);
+  write(fd0, name, 20);
+  unlink(name);
+  quit();
+  return(-1);			/* impossible */
+}
+
+
+void e(n)
+int n;
+{
+  int err_num = errno;		/* save errno in case printf clobbers it */
+
+  printf("Subtest %d,  error %d  errno=%d  ", subtest, n, errno);
+  errno = err_num;		/* restore errno, just in case */
+  perror("");
+  if (errct++ > MAX_ERROR) {
+	printf("Too many errors; test aborted\n");
+	chdir("..");
+	system("rm -rf DIR*");
+	exit(1);
+  }
+}
+
+void quit()
+{
+
+  chdir("..");
+  system("rm -rf DIR*");
+
+  if (errct == 0) {
+	printf("ok\n");
+	exit(0);
+  } else {
+	printf("%d errors\n", errct);
+	exit(1);
+  }
+}