unzip: more compat if DESKTOP=y
function old new delta
DESKTOP off:
unzip_main 1648 1629 -19
DESKTOP=y:
unzip_main 1939 2197 +258
Without this, midnight commander can't display .zip files
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/unzip.c b/archival/unzip.c
index 4201d1d..afab328 100644
--- a/archival/unzip.c
+++ b/archival/unzip.c
@@ -253,14 +253,16 @@
enum { O_PROMPT, O_NEVER, O_ALWAYS };
zip_header_t zip_header;
- smallint verbose = 1;
+ smallint quiet = 0;
+ IF_NOT_DESKTOP(const) smallint verbose = 0;
smallint listing = 0;
smallint overwrite = O_PROMPT;
#if ENABLE_DESKTOP
uint32_t cds_offset;
unsigned cds_entries;
#endif
- unsigned total_size;
+ unsigned long total_usize;
+ unsigned long total_size;
unsigned total_entries;
int dst_fd = -1;
char *src_fn = NULL;
@@ -273,8 +275,49 @@
char key_buf[80];
struct stat stat_buf;
+/* -q, -l and -v: UnZip 5.52 of 28 February 2005, by Info-ZIP:
+ *
+ * # /usr/bin/unzip -qq -v decompress_unlzma.i.zip
+ * 204372 Defl:N 35278 83% 09-06-09 14:23 0d056252 decompress_unlzma.i
+ * # /usr/bin/unzip -q -v decompress_unlzma.i.zip
+ * Length Method Size Ratio Date Time CRC-32 Name
+ * -------- ------ ------- ----- ---- ---- ------ ----
+ * 204372 Defl:N 35278 83% 09-06-09 14:23 0d056252 decompress_unlzma.i
+ * -------- ------- --- -------
+ * 204372 35278 83% 1 file
+ * # /usr/bin/unzip -v decompress_unlzma.i.zip
+ * Archive: decompress_unlzma.i.zip
+ * Length Method Size Ratio Date Time CRC-32 Name
+ * -------- ------ ------- ----- ---- ---- ------ ----
+ * 204372 Defl:N 35278 83% 09-06-09 14:23 0d056252 decompress_unlzma.i
+ * -------- ------- --- -------
+ * 204372 35278 83% 1 file
+ * # unzip -v decompress_unlzma.i.zip
+ * Archive: decompress_unlzma.i.zip
+ * Length Date Time Name
+ * -------- ---- ---- ----
+ * 204372 09-06-09 14:23 decompress_unlzma.i
+ * -------- -------
+ * 204372 1 files
+ * # /usr/bin/unzip -l -qq decompress_unlzma.i.zip
+ * 204372 09-06-09 14:23 decompress_unlzma.i
+ * # /usr/bin/unzip -l -q decompress_unlzma.i.zip
+ * Length Date Time Name
+ * -------- ---- ---- ----
+ * 204372 09-06-09 14:23 decompress_unlzma.i
+ * -------- -------
+ * 204372 1 file
+ * # /usr/bin/unzip -l decompress_unlzma.i.zip
+ * Archive: decompress_unlzma.i.zip
+ * Length Date Time Name
+ * -------- ---- ---- ----
+ * 204372 09-06-09 14:23 decompress_unlzma.i
+ * -------- -------
+ * 204372 1 file
+ */
+
/* '-' makes getopt return 1 for non-options */
- while ((opt = getopt(argc, argv, "-d:lnopqx")) != -1) {
+ while ((opt = getopt(argc, argv, "-d:lnopqxv")) != -1) {
switch (opt_range) {
case 0: /* Options */
switch (opt) {
@@ -294,7 +337,12 @@
dst_fd = STDOUT_FILENO;
case 'q': /* Be quiet */
- verbose = 0;
+ quiet++;
+ break;
+
+ case 'v': /* Verbose list */
+ IF_DESKTOP(verbose++;)
+ listing = 1;
break;
case 1: /* The zip file */
@@ -373,14 +421,21 @@
if (base_dir)
xchdir(base_dir);
- if (verbose) {
- printf("Archive: %s\n", src_fn);
- if (listing){
- puts(" Length Date Time Name\n"
- " -------- ---- ---- ----");
+ if (quiet <= 1) { /* not -qq */
+ if (quiet == 0)
+ printf("Archive: %s\n", src_fn);
+ if (listing) {
+ puts(verbose ?
+ " Length Method Size Ratio Date Time CRC-32 Name\n"
+ "-------- ------ ------- ----- ---- ---- ------ ----"
+ :
+ " Length Date Time Name\n"
+ " -------- ---- ---- ----"
+ );
}
}
+ total_usize = 0;
total_size = 0;
total_entries = 0;
#if ENABLE_DESKTOP
@@ -449,20 +504,39 @@
} else { /* Extract entry */
if (listing) { /* List entry */
- if (verbose) {
- unsigned dostime = zip_header.formatted.modtime | (zip_header.formatted.moddate << 16);
- printf("%9u %02u-%02u-%02u %02u:%02u %s\n",
- zip_header.formatted.ucmpsize,
- (dostime & 0x01e00000) >> 21,
- (dostime & 0x001f0000) >> 16,
- (((dostime & 0xfe000000) >> 25) + 1980) % 100,
- (dostime & 0x0000f800) >> 11,
- (dostime & 0x000007e0) >> 5,
- dst_fn);
- total_size += zip_header.formatted.ucmpsize;
+ unsigned dostime = zip_header.formatted.modtime | (zip_header.formatted.moddate << 16);
+ if (!verbose) {
+ // " Length Date Time Name\n"
+ // " -------- ---- ---- ----"
+ printf( "%9u %02u-%02u-%02u %02u:%02u %s\n",
+ (unsigned)zip_header.formatted.ucmpsize,
+ (dostime & 0x01e00000) >> 21,
+ (dostime & 0x001f0000) >> 16,
+ (((dostime & 0xfe000000) >> 25) + 1980) % 100,
+ (dostime & 0x0000f800) >> 11,
+ (dostime & 0x000007e0) >> 5,
+ dst_fn);
+ total_usize += zip_header.formatted.ucmpsize;
} else {
- /* short listing -- filenames only */
- puts(dst_fn);
+ unsigned long percents = zip_header.formatted.ucmpsize - zip_header.formatted.cmpsize;
+ percents = percents * 100;
+ if (zip_header.formatted.ucmpsize)
+ percents /= zip_header.formatted.ucmpsize;
+ // " Length Method Size Ratio Date Time CRC-32 Name\n"
+ // "-------- ------ ------- ----- ---- ---- ------ ----"
+ printf( "%8u Defl:N" "%9u%4u%% %02u-%02u-%02u %02u:%02u %08x %s\n",
+ (unsigned)zip_header.formatted.ucmpsize,
+ (unsigned)zip_header.formatted.cmpsize,
+ (unsigned)percents,
+ (dostime & 0x01e00000) >> 21,
+ (dostime & 0x001f0000) >> 16,
+ (((dostime & 0xfe000000) >> 25) + 1980) % 100,
+ (dostime & 0x0000f800) >> 11,
+ (dostime & 0x000007e0) >> 5,
+ zip_header.formatted.crc32,
+ dst_fn);
+ total_usize += zip_header.formatted.ucmpsize;
+ total_size += zip_header.formatted.cmpsize;
}
i = 'n';
} else if (dst_fd == STDOUT_FILENO) { /* Extracting to STDOUT */
@@ -472,7 +546,7 @@
if (errno != ENOENT) {
bb_perror_msg_and_die("can't stat '%s'", dst_fn);
}
- if (verbose) {
+ if (!quiet) {
printf(" creating: %s\n", dst_fn);
}
unzip_create_leading_dirs(dst_fn);
@@ -520,7 +594,7 @@
unzip_create_leading_dirs(dst_fn);
dst_fd = xopen(dst_fn, O_WRONLY | O_CREAT | O_TRUNC);
case -1: /* Unzip */
- if (verbose) {
+ if (!quiet) {
printf(" inflating: %s\n", dst_fn);
}
unzip_extract(&zip_header, dst_fd);
@@ -549,17 +623,32 @@
goto check_file;
default:
- printf("error: invalid response [%c]\n",(char)i);
+ printf("error: invalid response [%c]\n", (char)i);
goto check_file;
}
total_entries++;
}
- if (listing && verbose) {
- printf(" -------- -------\n"
- "%9d %d files\n",
- total_size, total_entries);
+ if (listing && quiet <= 1) {
+ if (!verbose) {
+ // " Length Date Time Name\n"
+ // " -------- ---- ---- ----"
+ printf( " -------- -------\n"
+ "%9lu" " %u files\n",
+ total_usize, total_entries);
+ } else {
+ unsigned long percents = total_usize - total_size;
+ percents = percents * 100;
+ if (total_usize)
+ percents /= total_usize;
+ // " Length Method Size Ratio Date Time CRC-32 Name\n"
+ // "-------- ------ ------- ----- ---- ---- ------ ----"
+ printf( "-------- ------- --- -------\n"
+ "%8lu" "%17lu%4u%% %u files\n",
+ total_usize, total_size, (unsigned)percents,
+ total_entries);
+ }
}
return 0;