C++ (Cpp) th_get_linknameの例

コード例 #1

ファイル: extract.c プロジェクト: realityking/pecl-tar

/* symlink */
int
tar_extract_symlink(TAR *t, char *realname)
{
	char *filename;

	if (!TH_ISSYM(t))
	{
		errno = EINVAL;
		return -1;
	}

	filename = (realname ? realname : th_get_pathname(t));
	if (mkdirhier(dirname(filename)) == -1)
		return -1;

	if (unlink(filename) == -1 && errno != ENOENT)
		return -1;

#ifdef DEBUG
	printf("  ==> extracting: %s (symlink to %s)\n",
	       filename, th_get_linkname(t));
#endif
	if (symlink(th_get_linkname(t), filename) == -1)
	{
#ifdef DEBUG
		perror("symlink()");
#endif
		return -1;
	}

	return 0;
}

コード例 #2

ファイル: extract.c プロジェクト: GeyerA/twrp_sony_yuga

/* hardlink */
int
tar_extract_hardlink(TAR * t, char *realname, char *prefix)
{
	char *filename;
	char *linktgt = NULL;
	char *lnp;
	libtar_hashptr_t hp;

	if (!TH_ISLNK(t))
	{
		errno = EINVAL;
		return -1;
	}

	filename = (realname ? realname : th_get_pathname(t));
	if (mkdirhier(dirname(filename)) == -1)
		return -1;
	libtar_hashptr_reset(&hp);
	if (libtar_hash_getkey(t->h, &hp, th_get_linkname(t),
			       (libtar_matchfunc_t)libtar_str_match) != 0)
	{
		lnp = (char *)libtar_hashptr_data(&hp);
		linktgt = &lnp[strlen(lnp) + 1];
	}
	else
		linktgt = th_get_linkname(t);
	char *newtgt = strdup(linktgt);
	sprintf(linktgt, "%s/%s", prefix, newtgt);
#ifdef DEBUG
	printf("  ==> extracting: %s (link to %s)\n", filename, linktgt);
#endif
	if (link(linktgt, filename) == -1)
	{
#ifdef DEBUG
		perror("link()");
#endif
		printf("Failed restore of hardlink '%s' but returning as if nothing bad happened anyway\n", filename);
		return 0; // Used to be -1
	}

	return 0;
}

コード例 #3

ファイル: extract.c プロジェクト: realityking/pecl-tar

/* hardlink */
int
tar_extract_hardlink(TAR * t, char *realname)
{
	char *filename;
	char *linktgt = NULL;
	char *lnp;
	libtar_hashptr_t hp;

	if (!TH_ISLNK(t))
	{
		errno = EINVAL;
		return -1;
	}

	filename = (realname ? realname : th_get_pathname(t));
	if (mkdirhier(dirname(filename)) == -1)
		return -1;
	libtar_hashptr_reset(&hp);
	if (libtar_hash_getkey(t->h, &hp, th_get_linkname(t),
			       (libtar_matchfunc_t)libtar_str_match) != 0)
	{
		lnp = (char *)libtar_hashptr_data(&hp);
		linktgt = &lnp[strlen(lnp) + 1];
	}
	else
		linktgt = th_get_linkname(t);

#ifdef DEBUG
	printf("  ==> extracting: %s (link to %s)\n", filename, linktgt);
#endif
	if (link(linktgt, filename) == -1)
	{
#ifdef DEBUG
		perror("link()");
#endif
		return -1;
	}

	return 0;
}