Initial revision

test/common.c

@@ -0,0 +1,103 @@
+/* Utility routines for Minix tests.
+ * This is designed to be #includ'ed near the top of test programs.  It is
+ * self-contained except for MAX_ERRORS.
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+
+int common_test_nr = -1, errct = 0, subtest;
+
+_PROTOTYPE(void cleanup, (void));
+_PROTOTYPE(void e, (int n));
+_PROTOTYPE(void quit, (void));
+_PROTOTYPE(void rm_rf_dir, (int test_nr));
+_PROTOTYPE(void rm_rf_ppdir, (int test_nr));
+_PROTOTYPE(void start, (int test_nr));
+
+void start(test_nr)
+int test_nr;
+{
+  char buf[64];
+
+  common_test_nr = test_nr;
+  printf("Test %2d ", test_nr);
+  fflush(stdout);		/* since stdout is probably line buffered */
+  sync();
+  rm_rf_dir(test_nr);
+  sprintf(buf, "mkdir DIR_%02d", test_nr);
+  if (system(buf) != 0) {
+	e(666);
+	quit();
+  }
+  sprintf(buf, "DIR_%02d", test_nr);
+  if (chdir(buf) != 0) {
+	e(6666);
+	quit();
+  }
+}
+
+void rm_rf_dir(test_nr)
+int test_nr;
+{
+  char buf[128];
+
+  /* "rm -rf dir" will not work unless all the subdirectories have suitable
+   * permissions.  Minix chmod is not recursive so it is not easy to change
+   * all the permissions.  I had to fix opendir() to stop the bash shell
+   * from hanging when it opendir()s fifos.
+   */
+  sprintf(buf, "chmod 777 DIR_%02d DIR_%02d/* DIR_%02d/*/* >/dev/null 2>&1",
+	  test_nr, test_nr, test_nr);
+  (void) system(buf);		/* usually fails */
+  sprintf(buf, "rm -rf DIR_%02d >/dev/null 2>&1", test_nr);
+  if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
+}
+
+void rm_rf_ppdir(test_nr)
+int test_nr;
+{
+/* Attempt to remove everything in the test directory (== the current dir). */
+
+  char buf[128];
+
+  sprintf(buf, "chmod 777 ../DIR_%02d/* ../DIR_%02d/*/* >/dev/null 2>&1",
+	  test_nr, test_nr);
+  (void) system(buf);
+  sprintf(buf, "rm -rf ../DIR_%02d >/dev/null 2>&1", test_nr);
+  if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
+}
+
+void e(n)
+int n;
+{
+  if (errct == 0) printf("\n");	/* finish header */
+  printf("Subtest %d,  error %d,  errno %d: %s\n",
+	 subtest, n, errno, strerror(errno));
+  if (errct++ > MAX_ERROR) {
+	printf("Too many errors; test aborted\n");
+	cleanup();
+	exit(1);
+  }
+  errno = 0;			/* don't leave it around to confuse next e() */
+}
+
+void cleanup()
+{
+  if (chdir("..") == 0 && common_test_nr != -1) rm_rf_dir(common_test_nr);
+}
+
+void quit()
+{
+  cleanup();
+  if (errct == 0) {
+	printf("ok\n");
+	exit(0);
+  } else {
+	printf("%d errors\n", errct);
+	exit(1);
+  }
+}