#define put_byte(c) {outbuf[outcnt++]=(uch)(c); if (outcnt==OUTBUFSIZ)\
flush_outbuf();}
-
-/* Output a 32 bit value to the bit stream, lsb first */
-#if 0
-#define put_long(n) { \
- put_short((n) & 0xffff); \
- put_short(((ulg)(n)) >> 16); \
-}
-#endif
-
#define seekable() 0 /* force sequential output */
#define translate_eol 0 /* no option -a yet */
static int foreground; /* set if program run in foreground */
static int method = DEFLATED; /* compression method */
static int exit_code = OK; /* program exit code */
-static int part_nb; /* number of parts in .gz file */
static long time_stamp; /* original time stamp (modification time) */
-static long ifile_size; /* input file size, -1 for devices (debug only) */
static char z_suffix[MAX_SUFFIX + 1]; /* default suffix (can be set with --suffix) */
-static int z_len; /* strlen(z_suffix) */
static int ifd; /* input file descriptor */
static int ofd; /* output file descriptor */
+#ifdef DEBUG
static unsigned insize; /* valid bytes in inbuf */
+#endif
static unsigned outcnt; /* bytes in output buffer */
static uint32_t *crc_32_tab;
static void clear_bufs(void)
{
outcnt = 0;
+#ifdef DEBUG
insize = 0;
+#endif
bytes_in = 0L;
}
*/
static unsigned bi_reverse(unsigned code, int len)
{
- register unsigned res = 0;
+ unsigned res = 0;
do {
res |= code & 1;
*/
static void lm_init(ush * flags)
{
- register unsigned j;
+ unsigned j;
/* Initialize the hash table. */
memset(head, 0, HASH_SIZE * sizeof(*head));
static int longest_match(IPos cur_match)
{
unsigned chain_length = max_chain_length; /* max hash chain length */
- register uch *scan = window + strstart; /* current string */
- register uch *match; /* matched string */
- register int len; /* length of current match */
+ uch *scan = window + strstart; /* current string */
+ uch *match; /* matched string */
+ int len; /* length of current match */
int best_len = prev_length; /* best match length so far */
IPos limit =
strstart > (IPos) MAX_DIST ? strstart - (IPos) MAX_DIST : NIL;
#if HASH_BITS < 8 || MAX_MATCH != 258
# error Code too clever
#endif
- register uch *strend = window + strstart + MAX_MATCH;
- register uch scan_end1 = scan[best_len - 1];
- register uch scan_end = scan[best_len];
+ uch *strend = window + strstart + MAX_MATCH;
+ uch scan_end1 = scan[best_len - 1];
+ uch scan_end = scan[best_len];
/* Do not waste too much time if we already have a good match: */
if (prev_length >= good_match) {
*/
static void fill_window(void)
{
- register unsigned n, m;
+ unsigned n, m;
unsigned more =
(unsigned) (window_size - (ulg) lookahead - (ulg) strstart);
/* Amount of free space at the end of the window. */
IPos prev_match; /* previous match */
int flush; /* set if current block must be flushed */
int match_available = 0; /* set if previous match exists */
- register unsigned match_length = MIN_MATCH - 1; /* length of best match */
+ unsigned match_length = MIN_MATCH - 1; /* length of best match */
/* Process the input block. */
while (lookahead != 0) {
/* ======================================================================== */
int gzip_main(int argc, char **argv)
{
+ enum {
+ OPT_tostdout = 0x1,
+ OPT_force = 0x2,
+ };
+
+ unsigned long opt;
int result;
int inFileNum;
int outFileNum;
struct stat statBuf;
char *delFileName;
- int tostdout = 0;
- int force = 0;
- int opt;
-
- while ((opt = getopt(argc, argv, "cf123456789dq")) != -1) {
- switch (opt) {
- case 'c':
- tostdout = 1;
- break;
- case 'f':
- force = 1;
- break;
- /* Ignore 1-9 (compression level) options */
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- break;
- case 'q':
- break;
-#ifdef CONFIG_GUNZIP
- case 'd':
- optind = 1;
- return gunzip_main(argc, argv);
-#endif
- default:
- bb_show_usage();
- }
+
+ opt = bb_getopt_ulflags(argc, argv, "cf123456789q" USE_GUNZIP("d"));
+ //if (opt & 0x1) // -c
+ //if (opt & 0x2) // -f
+ /* Ignore 1-9 (compression level) options */
+ //if (opt & 0x4) // -1
+ //if (opt & 0x8) // -2
+ //if (opt & 0x10) // -3
+ //if (opt & 0x20) // -4
+ //if (opt & 0x40) // -5
+ //if (opt & 0x80) // -6
+ //if (opt & 0x100) // -7
+ //if (opt & 0x200) // -8
+ //if (opt & 0x400) // -9
+ //if (opt & 0x800) // -q
+ if (ENABLE_GUNZIP && (opt & 0x1000)) { // -d
+ /* FIXME: bb_getopt_ulflags should not depend on optind */
+ optind = 1;
+ return gunzip_main(argc, argv);
}
foreground = signal(SIGINT, SIG_IGN) != SIG_IGN;
#endif
strncpy(z_suffix, Z_SUFFIX, sizeof(z_suffix) - 1);
- z_len = strlen(z_suffix);
/* Allocate all global buffers (for DYN_ALLOC option) */
ALLOC(uch, inbuf, INBUFSIZ + INBUF_EXTRA);
ALLOC(ush, tab_prefix, 1L << BITS);
/* Initialise the CRC32 table */
- crc_32_tab = bb_crc32_filltable(0);
-
+ crc_32_tab = crc32_filltable(0);
+
clear_bufs();
- part_nb = 0;
if (optind == argc) {
time_stamp = 0;
- ifile_size = -1L;
zip(STDIN_FILENO, STDOUT_FILENO);
} else {
int i;
clear_bufs();
if (strcmp(argv[i], "-") == 0) {
time_stamp = 0;
- ifile_size = -1L;
inFileNum = STDIN_FILENO;
outFileNum = STDOUT_FILENO;
} else {
- inFileNum = bb_xopen3(argv[i], O_RDONLY, 0);
+ inFileNum = xopen(argv[i], O_RDONLY);
if (fstat(inFileNum, &statBuf) < 0)
bb_perror_msg_and_die("%s", argv[i]);
time_stamp = statBuf.st_ctime;
- ifile_size = statBuf.st_size;
- if (!tostdout) {
- path = xmalloc(strlen(argv[i]) + 4);
- strcpy(path, argv[i]);
- strcat(path, ".gz");
+ if (!(opt & OPT_tostdout)) {
+ path = xasprintf("%s.gz", argv[i]);
/* Open output file */
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1) && defined O_NOFOLLOW
outFileNum = STDOUT_FILENO;
}
- if (path == NULL && isatty(outFileNum) && force == 0) {
+ if (path == NULL && isatty(outFileNum) && !(opt & OPT_force)) {
bb_error_msg
("compressed data not written to a terminal. Use -f to force compression.");
free(path);
projects / oweals / busybox.git / blobdiff