svn commit: trunk/busybox/archival/libunarchive
vda at busybox.net
vda at busybox.net
Fri Jan 5 11:46:05 PST 2007
Author: vda
Date: 2007-01-05 11:46:04 -0800 (Fri, 05 Jan 2007)
New Revision: 17165
Log:
decompress_unzip: preparatory patch
Modified:
trunk/busybox/archival/libunarchive/decompress_unzip.c
Changeset:
Modified: trunk/busybox/archival/libunarchive/decompress_unzip.c
===================================================================
--- trunk/busybox/archival/libunarchive/decompress_unzip.c 2007-01-05 14:04:47 UTC (rev 17164)
+++ trunk/busybox/archival/libunarchive/decompress_unzip.c 2007-01-05 19:46:04 UTC (rev 17165)
@@ -50,7 +50,7 @@
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 @@
#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 @@
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 @@
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 @@
* 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 @@
* 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 @@
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_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 @@
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 @@
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 @@
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 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 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 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 @@
/* 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 @@
/* 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 @@
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 @@
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 @@
}
} 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 @@
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 @@
}
/* 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 @@
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;)
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