C++ (Cpp) editor_allocspace Examples

Example #1

File: disklabel.c Project: mosconi/openbsd

void
parselabel(void)
{
	char *partname, *partduid;
	struct fstab *fsent;
	int i;

	i = asprintf(&partname, "/dev/%s%c", dkname, 'a');
	if (i == -1)
		err(4, NULL);
	i = asprintf(&partduid,
	    "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx.a",
            lab.d_uid[0], lab.d_uid[1], lab.d_uid[2], lab.d_uid[3],
            lab.d_uid[4], lab.d_uid[5], lab.d_uid[6], lab.d_uid[7]);
	if (i == -1)
		err(4, NULL);
	setfsent();
	for (i = 0; i < MAXPARTITIONS; i++) {
		partname[strlen(dkname) + 5] = 'a' + i;
		partduid[strlen(partduid) - 1] = 'a' + i;
		fsent = getfsspec(partname);
		if (fsent == NULL)
			fsent = getfsspec(partduid);
		if (fsent)
			mountpoints[i] = strdup(fsent->fs_file);
	}
	endfsent();
	free(partduid);
	free(partname);

	if (aflag)
		editor_allocspace(&lab);
}

Example #2

/*
 * Fetch requested disklabel into 'lab' using ioctl.
 */
void
readlabel(int f)
{
	char *partname, *partduid;
	struct fstab *fsent;
	int i;

	if (cflag && ioctl(f, DIOCRLDINFO) < 0)
		err(4, "ioctl DIOCRLDINFO");

	if ((op == RESTORE) || dflag || aflag) {
		if (ioctl(f, DIOCGPDINFO, &lab) < 0)
			err(4, "ioctl DIOCGPDINFO");
	} else {
		if (ioctl(f, DIOCGDINFO, &lab) < 0)
			err(4, "ioctl DIOCGDINFO");
	}

	asprintf(&partname, "/dev/%s%c", dkname, 'a');
	asprintf(&partduid,
	    "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx.a",
            lab.d_uid[0], lab.d_uid[1], lab.d_uid[2], lab.d_uid[3],
            lab.d_uid[4], lab.d_uid[5], lab.d_uid[6], lab.d_uid[7]);
	setfsent();
	for (i = 0; i < MAXPARTITIONS; i++) {
		partname[strlen(dkname) + 5] = 'a' + i;
		partduid[strlen(partduid) - 1] = 'a' + i;
		fsent = getfsspec(partname);
		if (fsent == NULL)
			fsent = getfsspec(partduid);
		if (fsent)
			mountpoints[i] = strdup(fsent->fs_file);
	}
	endfsent();
	free(partduid);
	free(partname);

	if (aflag)
		editor_allocspace(&lab);
}