diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-01-05 22:46:04 +0300 |
---|---|---|
committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-01-05 22:46:04 +0300 |
commit | cc33ef12d2682d19f9773edde1b5a99d2952342a (patch) | |
tree | f62826e636ebe6eb629a1f3603ea970a9b221925 /archival/libunarchive/decompress_unzip.c | |
parent | 3376298b59abea4ec3c69fe1dbe5898db260cc5a (diff) |
decompress_unzip: preparatory patch
Diffstat (limited to 'archival/libunarchive/decompress_unzip.c')
-rw-r--r-- | archival/libunarchive/decompress_unzip.c | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c index 83261de6d..b4d62f16c 100644 --- a/archival/libunarchive/decompress_unzip.c +++ b/archival/libunarchive/decompress_unzip.c @@ -50,7 +50,7 @@ off_t gunzip_bytes_out; /* number of output bytes */ uint32_t gunzip_crc; static int gunzip_src_fd; -static unsigned int gunzip_outbuf_count; /* bytes in output buffer */ +static unsigned gunzip_outbuf_count; /* bytes in output buffer */ /* gunzip_window size--must be a power of two, and * at least 32K for zip's deflate method */ @@ -64,14 +64,14 @@ static uint32_t *gunzip_crc_table; #define N_MAX 288 /* maximum number of codes in any set */ /* bitbuffer */ -static unsigned int gunzip_bb; /* bit buffer */ +static unsigned gunzip_bb; /* bit buffer */ static unsigned char gunzip_bk; /* bits in bit buffer */ /* These control the size of the bytebuffer */ -static unsigned int bytebuffer_max = 0x8000; +static unsigned bytebuffer_max = 0x8000; static unsigned char *bytebuffer = NULL; -static unsigned int bytebuffer_offset = 0; -static unsigned int bytebuffer_size = 0; +static unsigned bytebuffer_offset = 0; +static unsigned bytebuffer_size = 0; static const unsigned short mask_bits[] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff, @@ -109,7 +109,7 @@ static const unsigned char border[] = { 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 }; -static unsigned int fill_bitbuffer(unsigned int bitbuffer, unsigned int *current, const unsigned int required) +static unsigned fill_bitbuffer(unsigned bitbuffer, unsigned *current, const unsigned required) { while (*current < required) { if (bytebuffer_offset >= bytebuffer_size) { @@ -121,7 +121,7 @@ static unsigned int fill_bitbuffer(unsigned int bitbuffer, unsigned int *current bytebuffer_size += 4; bytebuffer_offset = 4; } - bitbuffer |= ((unsigned int) bytebuffer[bytebuffer_offset]) << *current; + bitbuffer |= ((unsigned) bytebuffer[bytebuffer_offset]) << *current; bytebuffer_offset++; *current += 8; } @@ -164,9 +164,9 @@ static int huft_free(huft_t * t) * m: maximum lookup bits, returns actual */ static -int huft_build(unsigned int *b, const unsigned int n, - const unsigned int s, const unsigned short *d, - const unsigned char *e, huft_t ** t, unsigned int *m) +int huft_build(unsigned *b, const unsigned n, + const unsigned s, const unsigned short *d, + const unsigned char *e, huft_t ** t, unsigned *m) { unsigned a; /* counter for codes of length k */ unsigned c[BMAX + 1]; /* bit length count table */ @@ -338,17 +338,17 @@ int huft_build(unsigned int *b, const unsigned int n, * tl, td: literal/length and distance decoder tables * bl, bd: number of bits decoded by tl[] and td[] */ -static int inflate_codes(huft_t * my_tl, huft_t * my_td, const unsigned int my_bl, const unsigned int my_bd, int setup) +static int inflate_codes(huft_t * my_tl, huft_t * my_td, const unsigned my_bl, const unsigned my_bd, int setup) { - static unsigned int e; /* table entry flag/number of extra bits */ - static unsigned int n, d; /* length and index for copy */ - static unsigned int w; /* current gunzip_window position */ + static unsigned e; /* table entry flag/number of extra bits */ + static unsigned n, d; /* length and index for copy */ + static unsigned w; /* current gunzip_window position */ static huft_t *t; /* pointer to table entry */ - static unsigned int ml, md; /* masks for bl and bd bits */ - static unsigned int b; /* bit buffer */ - static unsigned int k; /* number of bits in bit buffer */ + static unsigned ml, md; /* masks for bl and bd bits */ + static unsigned b; /* bit buffer */ + static unsigned k; /* number of bits in bit buffer */ static huft_t *tl, *td; - static unsigned int bl, bd; + static unsigned bl, bd; static int resumeCopy = 0; if (setup) { // 1st time we are called, copy in variables @@ -471,7 +471,7 @@ do_copy: do { static int inflate_stored(int my_n, int my_b_stored, int my_k_stored, int setup) { - static unsigned int n, b_stored, k_stored, w; + static unsigned n, b_stored, k_stored, w; if (setup) { n = my_n; b_stored = my_b_stored; @@ -513,8 +513,8 @@ static int inflate_stored(int my_n, int my_b_stored, int my_k_stored, int setup) static int inflate_block(int *e) { unsigned t; /* block type */ - unsigned int b; /* bit buffer */ - unsigned int k; /* number of bits in bit buffer */ + unsigned b; /* bit buffer */ + unsigned k; /* number of bits in bit buffer */ /* make local bit buffer */ @@ -541,9 +541,9 @@ static int inflate_block(int *e) switch (t) { case 0: /* Inflate stored */ { - unsigned int n; /* number of bytes in block */ - unsigned int b_stored; /* bit buffer */ - unsigned int k_stored; /* number of bits in bit buffer */ + unsigned n; /* number of bytes in block */ + unsigned b_stored; /* bit buffer */ + unsigned k_stored; /* number of bits in bit buffer */ /* make local copies of globals */ b_stored = gunzip_bb; /* initialize bit buffer */ @@ -579,9 +579,9 @@ static int inflate_block(int *e) int i; /* temporary variable */ huft_t *tl; /* literal/length code table */ huft_t *td; /* distance code table */ - unsigned int bl; /* lookup bits for tl */ - unsigned int bd; /* lookup bits for td */ - unsigned int l[288]; /* length list for huft_build */ + unsigned bl; /* lookup bits for tl */ + unsigned bd; /* lookup bits for td */ + unsigned l[288]; /* length list for huft_build */ /* set up literal table */ for (i = 0; i < 144; i++) { @@ -625,20 +625,20 @@ static int inflate_block(int *e) huft_t *tl; /* literal/length code table */ huft_t *td; /* distance code table */ - unsigned int i; /* temporary variables */ - unsigned int j; - unsigned int l; /* last length */ - unsigned int m; /* mask for bit lengths table */ - unsigned int n; /* number of lengths to get */ - unsigned int bl; /* lookup bits for tl */ - unsigned int bd; /* lookup bits for td */ - unsigned int nb; /* number of bit length codes */ - unsigned int nl; /* number of literal/length codes */ - unsigned int nd; /* number of distance codes */ - - unsigned int ll[286 + 30]; /* literal/length and distance code lengths */ - unsigned int b_dynamic; /* bit buffer */ - unsigned int k_dynamic; /* number of bits in bit buffer */ + unsigned i; /* temporary variables */ + unsigned j; + unsigned l; /* last length */ + unsigned m; /* mask for bit lengths table */ + unsigned n; /* number of lengths to get */ + unsigned bl; /* lookup bits for tl */ + unsigned bd; /* lookup bits for td */ + unsigned nb; /* number of bit length codes */ + unsigned nl; /* number of literal/length codes */ + unsigned nd; /* number of distance codes */ + + unsigned ll[286 + 30]; /* literal/length and distance code lengths */ + unsigned b_dynamic; /* bit buffer */ + unsigned k_dynamic; /* number of bits in bit buffer */ /* make local bit buffer */ b_dynamic = gunzip_bb; @@ -646,17 +646,17 @@ static int inflate_block(int *e) /* read in table lengths */ b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 5); - nl = 257 + ((unsigned int) b_dynamic & 0x1f); /* number of literal/length codes */ + nl = 257 + ((unsigned) b_dynamic & 0x1f); /* number of literal/length codes */ b_dynamic >>= 5; k_dynamic -= 5; b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 5); - nd = 1 + ((unsigned int) b_dynamic & 0x1f); /* number of distance codes */ + nd = 1 + ((unsigned) b_dynamic & 0x1f); /* number of distance codes */ b_dynamic >>= 5; k_dynamic -= 5; b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 4); - nb = 4 + ((unsigned int) b_dynamic & 0xf); /* number of bit length codes */ + nb = 4 + ((unsigned) b_dynamic & 0xf); /* number of bit length codes */ b_dynamic >>= 4; k_dynamic -= 4; @@ -667,7 +667,7 @@ static int inflate_block(int *e) /* read in bit-length-code lengths */ for (j = 0; j < nb; j++) { b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 3); - ll[border[j]] = (unsigned int) b_dynamic & 7; + ll[border[j]] = (unsigned) b_dynamic & 7; b_dynamic >>= 3; k_dynamic -= 3; } @@ -689,9 +689,9 @@ static int inflate_block(int *e) n = nl + nd; m = mask_bits[bl]; i = l = 0; - while ((unsigned int) i < n) { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, (unsigned int)bl); - j = (td = tl + ((unsigned int) b_dynamic & m))->b; + while ((unsigned) i < n) { + b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, (unsigned)bl); + j = (td = tl + ((unsigned) b_dynamic & m))->b; b_dynamic >>= j; k_dynamic -= j; j = td->v.n; @@ -699,10 +699,10 @@ static int inflate_block(int *e) ll[i++] = l = j; /* save last length in l */ } else if (j == 16) { /* repeat last length 3 to 6 times */ b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 2); - j = 3 + ((unsigned int) b_dynamic & 3); + j = 3 + ((unsigned) b_dynamic & 3); b_dynamic >>= 2; k_dynamic -= 2; - if ((unsigned int) i + j > n) { + if ((unsigned) i + j > n) { return 1; } while (j--) { @@ -710,10 +710,10 @@ static int inflate_block(int *e) } } else if (j == 17) { /* 3 to 10 zero length codes */ b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 3); - j = 3 + ((unsigned int) b_dynamic & 7); + j = 3 + ((unsigned) b_dynamic & 7); b_dynamic >>= 3; k_dynamic -= 3; - if ((unsigned int) i + j > n) { + if ((unsigned) i + j > n) { return 1; } while (j--) { @@ -722,10 +722,10 @@ static int inflate_block(int *e) l = 0; } else { /* j == 18: 11 to 138 zero length codes */ b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 7); - j = 11 + ((unsigned int) b_dynamic & 0x7f); + j = 11 + ((unsigned) b_dynamic & 0x7f); b_dynamic >>= 7; k_dynamic -= 7; - if ((unsigned int) i + j > n) { + if ((unsigned) i + j > n) { return 1; } while (j--) { @@ -824,7 +824,7 @@ static int inflate_get_next_window(void) } /* Initialise bytebuffer, be careful not to overfill the buffer */ -void inflate_init(unsigned int bufsize) +void inflate_init(unsigned bufsize) { /* Set the bytebuffer size, default is same as gunzip_wsize */ bytebuffer_max = bufsize + 8; @@ -892,7 +892,7 @@ USE_DESKTOP(long long) int inflate_gunzip(int in, int out) { uint32_t stored_crc = 0; - unsigned int count; + unsigned count; USE_DESKTOP(long long total = )inflate_unzip(in, out); USE_DESKTOP(if (total < 0) return total;) |