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Diffstat (limited to 'archival/tar.c')
-rw-r--r--archival/tar.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/archival/tar.c b/archival/tar.c
index d5fa954..a4b13b5 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -615,14 +615,23 @@ static char get_header_tar_Z(archive_handle_t *archive_handle)
# define TAR_OPT_AFTER_BZIP2 TAR_OPT_AFTER_CREATE
#endif
-#define TAR_OPT_INCLUDE_FROM (1 << (TAR_OPT_AFTER_BZIP2))
-#define TAR_OPT_EXCLUDE_FROM (1 << (TAR_OPT_AFTER_BZIP2 + 1))
+#define TAR_OPT_LZMA (1 << (TAR_OPT_AFTER_BZIP2))
+#ifdef CONFIG_FEATURE_TAR_LZMA
+# define TAR_OPT_STR_LZMA "a"
+# define TAR_OPT_AFTER_LZMA TAR_OPT_AFTER_BZIP2 + 1
+#else
+# define TAR_OPT_STR_LZMA ""
+# define TAR_OPT_AFTER_LZMA TAR_OPT_AFTER_BZIP2
+#endif
+
+#define TAR_OPT_INCLUDE_FROM (1 << (TAR_OPT_AFTER_LZMA))
+#define TAR_OPT_EXCLUDE_FROM (1 << (TAR_OPT_AFTER_LZMA + 1))
#ifdef CONFIG_FEATURE_TAR_FROM
# define TAR_OPT_STR_FROM "T:X:"
-# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_BZIP2 + 2
+# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_LZMA + 2
#else
# define TAR_OPT_STR_FROM ""
-# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_BZIP2
+# define TAR_OPT_AFTER_FROM TAR_OPT_AFTER_LZMA
#endif
#define TAR_OPT_GZIP (1 << (TAR_OPT_AFTER_FROM))
@@ -651,6 +660,7 @@ static char get_header_tar_Z(archive_handle_t *archive_handle)
static const char tar_options[]="txC:f:Opvk" \
TAR_OPT_STR_CREATE \
TAR_OPT_STR_BZIP2 \
+ TAR_OPT_STR_LZMA \
TAR_OPT_STR_FROM \
TAR_OPT_STR_GZIP \
TAR_OPT_STR_COMPRESS \
@@ -675,6 +685,9 @@ static const struct option tar_long_options[] = {
# ifdef CONFIG_FEATURE_TAR_BZIP2
{ "bzip2", 0, NULL, 'j' },
# endif
+# ifdef CONFIG_FEATURE_TAR_LZMA
+ { "lzma", 0, NULL, 'a' },
+# endif
# ifdef CONFIG_FEATURE_TAR_FROM
{ "files-from", 1, NULL, 'T' },
{ "exclude-from", 1, NULL, 'X' },
@@ -757,6 +770,9 @@ int tar_main(int argc, char **argv)
if (ENABLE_FEATURE_TAR_BZIP2 && (opt & TAR_OPT_BZIP2))
get_header_ptr = get_header_tar_bz2;
+ if (ENABLE_FEATURE_TAR_LZMA && (opt & TAR_OPT_LZMA))
+ get_header_ptr = get_header_tar_lzma;
+
if (ENABLE_FEATURE_TAR_COMPRESS && (opt & TAR_OPT_UNCOMPRESS))
get_header_ptr = get_header_tar_Z;