hammer2 - push missing file (cmd_destroy.c)
authorMatthew Dillon <dillon@apollo.backplane.com>
Mon, 18 Sep 2017 02:36:14 +0000 (19:36 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Mon, 18 Sep 2017 02:36:14 +0000 (19:36 -0700)
* Push missing file for the 'destroy' directive.

sbin/hammer2/cmd_destroy.c [new file with mode: 0644]

diff --git a/sbin/hammer2/cmd_destroy.c b/sbin/hammer2/cmd_destroy.c
new file mode 100644 (file)
index 0000000..5f5bf07
--- /dev/null
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2017 The DragonFly Project.  All rights reserved.
+ *
+ * This code is derived from software contributed to The DragonFly Project
+ * by Matthew Dillon <dillon@dragonflybsd.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "hammer2.h"
+
+static int pathdir(const char *path, const char **lastp);
+
+int
+cmd_destroy_path(int ac, const char **av)
+{
+       hammer2_ioc_destroy_t destroy;
+       const char *last;
+       int i;
+       int fd;
+
+       for (i = 0; i < ac; ++i) {
+               bzero(&destroy, sizeof(destroy));
+               destroy.cmd = HAMMER2_DELETE_FILE;
+               printf("%s\t", av[i]);
+               fflush(stdout);
+               fd = pathdir(av[i], &last);
+               if (fd >= 0) {
+                       snprintf(destroy.path, sizeof(destroy.path),
+                                "%s", last);
+                       if (ioctl(fd, HAMMER2IOC_DESTROY, &destroy) < 0) {
+                               printf("error: %s\n", strerror(errno));
+                       } else {
+                               printf("ok\n");
+                       }
+                       close(fd);
+               } else {
+                       printf("error: %s\n", strerror(errno));
+               }
+       }
+       return 0;
+}
+
+static
+int
+pathdir(const char *path, const char **lastp)
+{
+       const char *ptr;
+       char *npath;
+       int fd;
+
+       ptr = path + strlen(path);
+       while (ptr > path && ptr[-1] != '/')
+               --ptr;
+       *lastp = ptr;
+       if (ptr == path) {
+               fd = open(".", O_RDONLY);
+       } else {
+               asprintf(&npath, "%*.*s",
+                       (int)(ptr - path), (int)(ptr - path), path);
+               fd = open(npath, O_RDONLY);
+               free(npath);
+       }
+
+       return fd;
+}