*/
#include "libbb.h"
+#include "unarchive.h"
/* ===========================================================================
#define DECLARE(type, array, size) \
type * array
#define ALLOC(type, array, size) \
- array = xzalloc((size_t)(((size)+1L)/2) * 2*sizeof(type));
+ array = xzalloc((size_t)(((size)+1L)/2) * 2*sizeof(type))
#define FREE(array) \
do { free(array); array = NULL; } while (0)
put_16bit(n >> 16);
}
-/* ===========================================================================
- * Clear input and output buffers
- */
-static void clear_bufs(void)
-{
- G1.outcnt = 0;
-#ifdef DEBUG
- G1.insize = 0;
-#endif
- G1.isize = 0;
-}
-
-
/* ===========================================================================
* Run a set of bytes through the crc shift register. If s is a NULL
* pointer, then initialize the crc shift register contents instead.
Tracec(tree != G2.static_ltree,
(stderr, "\nn %3d %c l %2d c %4x (%x) ", n,
- (isgraph(n) ? n : ' '), len, tree[n].Code,
+ (n > ' ' ? n : ' '), len, tree[n].Code,
next_code[len] - 1));
}
}
lc = G1.l_buf[lx++];
if ((flag & 1) == 0) {
SEND_CODE(lc, ltree); /* send a literal byte */
- Tracecv(isgraph(lc), (stderr, " '%c' ", lc));
+ Tracecv(lc > ' ', (stderr, " '%c' ", lc));
} else {
/* Here, lc is the match length - MIN_MATCH */
code = G2.length_code[lc];
}
static
-USE_DESKTOP(long long) int pack_gzip(void)
+IF_DESKTOP(long long) int pack_gzip(unpack_info_t *info UNUSED_PARAM)
{
struct stat s;
- clear_bufs();
+ /* Clear input and output buffers */
+ G1.outcnt = 0;
+#ifdef DEBUG
+ G1.insize = 0;
+#endif
+ G1.isize = 0;
+
+ /* Reinit G2.xxx */
+ memset(&G2, 0, sizeof(G2));
+ G2.l_desc.dyn_tree = G2.dyn_ltree;
+ G2.l_desc.static_tree = G2.static_ltree;
+ G2.l_desc.extra_bits = extra_lbits;
+ G2.l_desc.extra_base = LITERALS + 1;
+ G2.l_desc.elems = L_CODES;
+ G2.l_desc.max_length = MAX_BITS;
+ //G2.l_desc.max_code = 0;
+ G2.d_desc.dyn_tree = G2.dyn_dtree;
+ G2.d_desc.static_tree = G2.static_dtree;
+ G2.d_desc.extra_bits = extra_dbits;
+ //G2.d_desc.extra_base = 0;
+ G2.d_desc.elems = D_CODES;
+ G2.d_desc.max_length = MAX_BITS;
+ //G2.d_desc.max_code = 0;
+ G2.bl_desc.dyn_tree = G2.bl_tree;
+ //G2.bl_desc.static_tree = NULL;
+ G2.bl_desc.extra_bits = extra_blbits,
+ //G2.bl_desc.extra_base = 0;
+ G2.bl_desc.elems = BL_CODES;
+ G2.bl_desc.max_length = MAX_BL_BITS;
+ //G2.bl_desc.max_code = 0;
+
s.st_ctime = 0;
fstat(STDIN_FILENO, &s);
zip(s.st_ctime);
return 0;
}
+/*
+ * Linux kernel build uses gzip -d -n. We accept and ignore it.
+ * Man page says:
+ * -n --no-name
+ * gzip: do not save the original file name and time stamp.
+ * (The original name is always saved if the name had to be truncated.)
+ * gunzip: do not restore the original file name/time even if present
+ * (remove only the gzip suffix from the compressed file name).
+ * This option is the default when decompressing.
+ * -N --name
+ * gzip: always save the original file name and time stamp (this is the default)
+ * gunzip: restore the original file name and time stamp if present.
+ */
+
int gzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+#if ENABLE_GUNZIP
int gzip_main(int argc, char **argv)
+#else
+int gzip_main(int argc UNUSED_PARAM, char **argv)
+#endif
{
unsigned opt;
/* Must match bbunzip's constants OPT_STDOUT, OPT_FORCE! */
- opt = getopt32(argv, "cfv" USE_GUNZIP("d") "q123456789" );
+ opt = getopt32(argv, "cfv" IF_GUNZIP("dt") "q123456789n");
#if ENABLE_GUNZIP /* gunzip_main may not be visible... */
- if (opt & 0x8) // -d
+ if (opt & 0x18) // -d and/or -t
return gunzip_main(argc, argv);
#endif
option_mask32 &= 0x7; /* ignore -q, -0..9 */
//if (opt & 0x4) // -v
argv += optind;
- PTR_TO_GLOBALS = xzalloc(sizeof(struct globals) + sizeof(struct globals2))
- + sizeof(struct globals);
- G2.l_desc.dyn_tree = G2.dyn_ltree;
- G2.l_desc.static_tree = G2.static_ltree;
- G2.l_desc.extra_bits = extra_lbits;
- G2.l_desc.extra_base = LITERALS + 1;
- G2.l_desc.elems = L_CODES;
- G2.l_desc.max_length = MAX_BITS;
- //G2.l_desc.max_code = 0;
-
- G2.d_desc.dyn_tree = G2.dyn_dtree;
- G2.d_desc.static_tree = G2.static_dtree;
- G2.d_desc.extra_bits = extra_dbits;
- //G2.d_desc.extra_base = 0;
- G2.d_desc.elems = D_CODES;
- G2.d_desc.max_length = MAX_BITS;
- //G2.d_desc.max_code = 0;
-
- G2.bl_desc.dyn_tree = G2.bl_tree;
- //G2.bl_desc.static_tree = NULL;
- G2.bl_desc.extra_bits = extra_blbits,
- //G2.bl_desc.extra_base = 0;
- G2.bl_desc.elems = BL_CODES;
- G2.bl_desc.max_length = MAX_BL_BITS;
- //G2.bl_desc.max_code = 0;
+ SET_PTR_TO_GLOBALS((char *)xzalloc(sizeof(struct globals)+sizeof(struct globals2))
+ + sizeof(struct globals));
+ barrier();
/* Allocate all global buffers (for DYN_ALLOC option) */
ALLOC(uch, G1.l_buf, INBUFSIZ);
projects / oweals / busybox.git / blobdiff