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-rw-r--r--archival/Config.in8
-rw-r--r--archival/bbunzip.c27
-rw-r--r--archival/libunarchive/decompress_uncompress.c2
-rw-r--r--archival/lzop.c6
-rw-r--r--include/applets.h3
-rw-r--r--include/usage.h49
6 files changed, 59 insertions, 36 deletions
diff --git a/archival/Config.in b/archival/Config.in
index deacc2822..428398377 100644
--- a/archival/Config.in
+++ b/archival/Config.in
@@ -327,6 +327,14 @@ config FEATURE_LZMA_FAST
This option reduces decompression time by about 25% at the cost of
a 1K bigger binary.
+config FEATURE_LZMA_ALIAS
+ bool "Provide lzma alias which supports only unpacking"
+ default n
+ depends on UNLZMA
+ help
+ Enable this option if you want commands like "lzma -d" to work.
+ IOW: you'll get lzma applet, but it will always require -d option.
+
config UNZIP
bool "unzip"
default n
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index df674bc6c..1e775f425 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -9,12 +9,12 @@
#include "unarchive.h"
enum {
- OPT_STDOUT = 0x1,
- OPT_FORCE = 0x2,
-/* gunzip and bunzip2 only: */
- OPT_VERBOSE = 0x4,
- OPT_DECOMPRESS = 0x8,
- OPT_TEST = 0x10,
+ OPT_STDOUT = 1 << 0,
+ OPT_FORCE = 1 << 1,
+ /* only some decompressors: */
+ OPT_VERBOSE = 1 << 2,
+ OPT_DECOMPRESS = 1 << 3,
+ OPT_TEST = 1 << 4,
};
static
@@ -333,12 +333,17 @@ IF_DESKTOP(long long) int unpack_unlzma(unpack_info_t *info UNUSED_PARAM)
int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int unlzma_main(int argc UNUSED_PARAM, char **argv)
{
- getopt32(argv, "cf");
- argv += optind;
- /* lzmacat? */
- if (applet_name[4] == 'c')
+ int opts = getopt32(argv, "cfvdt");
+# if ENABLE_FEATURE_LZMA_ALIAS
+ /* lzma without -d or -t? */
+ if (applet_name[2] == 'm' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
+ bb_show_usage();
+# endif
+ /* lzcat? */
+ if (applet_name[2] == 'c')
option_mask32 |= OPT_STDOUT;
+ argv += optind;
return bbunpack(argv, make_new_name_unlzma, unpack_unlzma);
}
@@ -346,7 +351,7 @@ int unlzma_main(int argc UNUSED_PARAM, char **argv)
/*
- * Uncompress applet for busybox (c) 2002 Glenn McGrath
+ * Uncompress applet for busybox (c) 2002 Glenn McGrath
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
diff --git a/archival/libunarchive/decompress_uncompress.c b/archival/libunarchive/decompress_uncompress.c
index 2877c8981..1ff89ce3c 100644
--- a/archival/libunarchive/decompress_uncompress.c
+++ b/archival/libunarchive/decompress_uncompress.c
@@ -229,7 +229,7 @@ unpack_Z_stream(int fd_in, int fd_out)
("insize:%d posbits:%d inbuf:%02X %02X %02X %02X %02X (%d)",
insize, posbits, p[-1], p[0], p[1], p[2], p[3],
(posbits & 07));
- bb_error_msg("uncompress: corrupt input");
+ bb_error_msg("corrupted data");
goto err;
}
diff --git a/archival/lzop.c b/archival/lzop.c
index 0a15c51aa..d6cf6f4f5 100644
--- a/archival/lzop.c
+++ b/archival/lzop.c
@@ -738,12 +738,12 @@ static NOINLINE smallint lzo_decompress(const header_t *h)
bb_error_msg_and_die("this file is a split lzop file");
if (dst_len > MAX_BLOCK_SIZE)
- bb_error_msg_and_die("lzop file corrupted");
+ bb_error_msg_and_die("corrupted data");
/* read compressed block size */
src_len = read32();
if (src_len <= 0 || src_len > dst_len)
- bb_error_msg_and_die("lzop file corrupted");
+ bb_error_msg_and_die("corrupted data");
if (dst_len > block_size) {
if (b2) {
@@ -797,7 +797,7 @@ static NOINLINE smallint lzo_decompress(const header_t *h)
r = lzo1x_decompress_safe(b1, src_len, b2, &d, NULL);
if (r != 0 /*LZO_E_OK*/ || dst_len != d) {
- bb_error_msg_and_die("corrupted compressed data");
+ bb_error_msg_and_die("corrupted data");
}
dst = b2;
} else {
diff --git a/include/applets.h b/include/applets.h
index 33c3c2555..4d8ba0a6b 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -253,7 +253,8 @@ IF_LSMOD(APPLET(lsmod, _BB_DIR_SBIN, _BB_SUID_DROP))
IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, _BB_DIR_SBIN, _BB_SUID_DROP, modprobe))
IF_LSPCI(APPLET(lspci, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_LSUSB(APPLET(lsusb, _BB_DIR_USR_BIN, _BB_SUID_DROP))
-IF_UNLZMA(APPLET_ODDNAME(lzmacat, unlzma, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzmacat))
+IF_UNLZMA(APPLET_ODDNAME(lzcat, unlzma, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzcat))
+IF_FEATURE_LZMA_ALIAS(APPLET_ODDNAME(lzma, unlzma, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzma))
IF_LZOP(APPLET(lzop, _BB_DIR_BIN, _BB_SUID_DROP))
IF_LZOP(APPLET_ODDNAME(lzopcat, lzop, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzopcat))
IF_MAKEDEVS(APPLET(makedevs, _BB_DIR_SBIN, _BB_SUID_DROP))
diff --git a/include/usage.h b/include/usage.h
index 8b8bd2c78..3b03228ee 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -197,7 +197,7 @@
#define bunzip2_trivial_usage \
"[OPTIONS] [FILE]..."
#define bunzip2_full_usage "\n\n" \
- "Uncompress FILEs (or stdin)\n" \
+ "Decompress FILEs (or stdin)\n" \
"\nOptions:" \
"\n -c Write to stdout" \
"\n -f Force" \
@@ -207,10 +207,10 @@
#define bzip2_full_usage "\n\n" \
"Compress FILEs (or stdin) with bzip2 algorithm\n" \
"\nOptions:" \
- "\n -c Write to stdout" \
+ "\n -1..9 Compression level" \
"\n -d Decompress" \
+ "\n -c Write to stdout" \
"\n -f Force" \
- "\n -1..-9 Compression level" \
#define busybox_notes_usage \
"Hello world!\n"
@@ -218,13 +218,14 @@
#define lzop_trivial_usage \
"[-cfvd123456789CF] [FILE]..."
#define lzop_full_usage "\n\n" \
- " -c Write to stdout" \
+ "Options:" \
+ "\n -1..9 Compression level" \
+ "\n -d Decompress" \
+ "\n -c Write to stdout" \
"\n -f Force" \
"\n -v Verbose" \
- "\n -d Decompress" \
"\n -F Don't store or verify checksum" \
"\n -C Also write checksum of compressed block" \
- "\n -1..9 Compression level" \
#define lzopcat_trivial_usage \
"[-vCF] [FILE]..."
@@ -235,7 +236,8 @@
#define unlzop_trivial_usage \
"[-cfvCF] [FILE]..."
#define unlzop_full_usage "\n\n" \
- " -c Write to stdout" \
+ "Options:" \
+ "\n -c Write to stdout" \
"\n -f Force" \
"\n -v Verbose" \
"\n -F Don't store or verify checksum" \
@@ -243,20 +245,29 @@
#define bzcat_trivial_usage \
"FILE"
#define bzcat_full_usage "\n\n" \
- "Uncompress to stdout"
+ "Decompress to stdout"
#define unlzma_trivial_usage \
"[OPTIONS] [FILE]..."
#define unlzma_full_usage "\n\n" \
- "Uncompress FILE (or stdin)\n" \
+ "Decompress FILE (or stdin)\n" \
+ "\nOptions:" \
+ "\n -c Write to stdout" \
+ "\n -f Force" \
+
+#define lzma_trivial_usage \
+ "-d [OPTIONS] [FILE]..."
+#define lzma_full_usage "\n\n" \
+ "Decompress FILE (or stdin)\n" \
"\nOptions:" \
+ "\n -d Decompress" \
"\n -c Write to stdout" \
"\n -f Force" \
-#define lzmacat_trivial_usage \
+#define lzcat_trivial_usage \
"FILE"
-#define lzmacat_full_usage "\n\n" \
- "Uncompress to stdout"
+#define lzcat_full_usage "\n\n" \
+ "Decompress to stdout"
#define cal_trivial_usage \
"[-jy] [[MONTH] YEAR]"
@@ -267,11 +278,9 @@
"\n -y Display the entire year" \
#define cat_trivial_usage \
- "[-u] [FILE]..."
+ "[FILE]..."
#define cat_full_usage "\n\n" \
- "Concatenate FILEs and print them to stdout\n" \
- "\nOptions:" \
- "\n -u Use unbuffered i/o (ignored)" \
+ "Concatenate FILEs and print them to stdout" \
#define cat_example_usage \
"$ cat /proc/uptime\n" \
@@ -1610,7 +1619,7 @@
#define gunzip_trivial_usage \
"[OPTIONS] [FILE]..."
#define gunzip_full_usage "\n\n" \
- "Uncompress FILEs (or stdin)\n" \
+ "Decompress FILEs (or stdin)\n" \
"\nOptions:" \
"\n -c Write to stdout" \
"\n -f Force" \
@@ -1628,8 +1637,8 @@
#define gzip_full_usage "\n\n" \
"Compress FILEs (or stdin)\n" \
"\nOptions:" \
- "\n -c Write to stdout" \
"\n -d Decompress" \
+ "\n -c Write to stdout" \
"\n -f Force" \
#define gzip_example_usage \
@@ -4977,7 +4986,7 @@
#define uncompress_trivial_usage \
"[-cf] [FILE]..."
#define uncompress_full_usage "\n\n" \
- "Uncompress .Z file[s]\n" \
+ "Decompress .Z file[s]\n" \
"\nOptions:" \
"\n -c Extract to stdout" \
"\n -f Overwrite an existing file" \
@@ -5224,7 +5233,7 @@
#define zcat_trivial_usage \
"FILE"
#define zcat_full_usage "\n\n" \
- "Uncompress to stdout"
+ "Decompress to stdout"
#define zcip_trivial_usage \
"[OPTIONS] IFACE SCRIPT"
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 04:11:35 +0000