va_end(args);
fputc('\n', stderr);
- exit(EXIT_FAILURE);
+ _exit(EXIT_FAILURE);
}
char *mprintf(const char *fmt, ...)
buf[len] = '\0';
if (len && buf[len - 1] == '\n')
buf[len - 1] = '\0';
+ if (!strlen(buf)) {
+ free(buf);
+ buf = NULL;
+ }
close(fd);
fputs("Proceed anyway?", stdout);
if (!ask_yn())
exit(EXIT_FAILURE);
+ while (blkid_do_probe(pr) == 0)
+ blkid_do_wipe(pr, 0);
}
blkid_free_probe(pr);
return path;
}
-char *dev_to_mount(char *dev)
+struct mntent *dev_to_mount(char *dev)
{
- char *line = NULL, *ret = NULL;
- size_t n = 0;
-
- FILE *f = fopen("/proc/mounts", "r");
+ struct mntent *mnt, *ret = NULL;
+ FILE *f = setmntent("/proc/mounts", "r");
if (!f)
die("error opening /proc/mounts: %m");
struct stat d1 = xstat(dev);
- while (getline(&line, &n, f) != -1) {
- char *d, *p = line;
- char *devs = strsep(&p, " ");
- char *mount = strsep(&p, " ");
-
- if (!devs || !mount)
- continue;
+ while ((mnt = getmntent(f))) {
+ char *d, *p = mnt->mnt_fsname;
- p = devs;
while ((d = strsep(&p, ":"))) {
struct stat d2;
continue;
}
- ret = strdup(mount);
+ ret = mnt;
goto found;
}
}
found:
fclose(f);
- free(line);
return ret;
}
+
+int dev_mounted(char *dev)
+{
+ struct mntent *mnt = dev_to_mount(dev);
+
+ if (!mnt)
+ return 0;
+ if (hasmntopt(mnt, "ro"))
+ return 1;
+ return 2;
+}
+
+struct bpos bpos_parse(char *buf)
+{
+ char *s = buf, *field;
+ u64 inode_v = 0, offset_v = 0;
+
+ if (!(field = strsep(&s, ":")) ||
+ kstrtoull(field, 10, &inode_v))
+ die("invalid bpos %s", buf);
+
+ if ((field = strsep(&s, ":")) &&
+ kstrtoull(field, 10, &offset_v))
+ die("invalid bpos %s", buf);
+
+ if (s)
+ die("invalid bpos %s", buf);
+
+ return (struct bpos) { .inode = inode_v, .offset = offset_v };
+}