diff options
author | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
---|---|---|
committer | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
commit | 8bde7f776c77b343aca29b8c7b58464d915ac245 (patch) | |
tree | 20f1fd99975215e7c658454a15cdb4ed4694e2d4 /lib_generic/zlib.c | |
parent | 993cad9364c6b87ae429d1ed1130d8153f6f027e (diff) | |
download | u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.zip u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.gz u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.bz2 |
* Code cleanup:
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
Diffstat (limited to 'lib_generic/zlib.c')
-rw-r--r-- | lib_generic/zlib.c | 724 |
1 files changed, 362 insertions, 362 deletions
diff --git a/lib_generic/zlib.c b/lib_generic/zlib.c index 3b7ab25..668ac8f 100644 --- a/lib_generic/zlib.c +++ b/lib_generic/zlib.c @@ -51,7 +51,7 @@ extern char *z_errmsg[]; /* indexed by 1-zlib_error */ #define NULL ((void *) 0) #endif - /* common constants */ + /* common constants */ #define DEFLATED 8 @@ -76,7 +76,7 @@ extern char *z_errmsg[]; /* indexed by 1-zlib_error */ #define MAX_MATCH 258 /* The minimum and maximum match lengths */ - /* functions */ + /* functions */ #include <linux/string.h> #define zmemcpy memcpy @@ -110,7 +110,7 @@ typedef uLong (*check_func) OF((uLong check, Bytef *buf, uInt len)); /* void zcfree OF((voidpf opaque, voidpf ptr)); */ #define ZALLOC(strm, items, size) \ - (*((strm)->zalloc))((strm)->opaque, (items), (size)) + (*((strm)->zalloc))((strm)->opaque, (items), (size)) #define ZFREE(strm, addr, size) \ (*((strm)->zfree))((strm)->opaque, (voidpf)(addr), (size)) #define TRY_FREE(s, p, n) {if (p) ZFREE(s, p, n);} @@ -402,34 +402,34 @@ int f; NEEDBYTE if (((z->state->sub.method = NEXTBYTE) & 0xf) != DEFLATED) { - z->state->mode = BAD; - z->msg = "unknown compression method"; - z->state->sub.marker = 5; /* can't try inflateSync */ - break; + z->state->mode = BAD; + z->msg = "unknown compression method"; + z->state->sub.marker = 5; /* can't try inflateSync */ + break; } if ((z->state->sub.method >> 4) + 8 > z->state->wbits) { - z->state->mode = BAD; - z->msg = "invalid window size"; - z->state->sub.marker = 5; /* can't try inflateSync */ - break; + z->state->mode = BAD; + z->msg = "invalid window size"; + z->state->sub.marker = 5; /* can't try inflateSync */ + break; } z->state->mode = FLAG; case FLAG: NEEDBYTE if ((b = NEXTBYTE) & 0x20) { - z->state->mode = BAD; - z->msg = "invalid reserved bit"; - z->state->sub.marker = 5; /* can't try inflateSync */ - break; + z->state->mode = BAD; + z->msg = "invalid reserved bit"; + z->state->sub.marker = 5; /* can't try inflateSync */ + break; } if (((z->state->sub.method << 8) + b) % 31) { - z->state->mode = BAD; - z->msg = "incorrect header check"; - z->state->sub.marker = 5; /* can't try inflateSync */ - break; + z->state->mode = BAD; + z->msg = "incorrect header check"; + z->state->sub.marker = 5; /* can't try inflateSync */ + break; } Trace((stderr, "inflate: zlib header ok\n")); z->state->mode = BLOCKS; @@ -439,18 +439,18 @@ int f; r = inflate_packet_flush(z->state->blocks); if (r == Z_DATA_ERROR) { - z->state->mode = BAD; - z->state->sub.marker = 0; /* can try inflateSync */ - break; + z->state->mode = BAD; + z->state->sub.marker = 0; /* can try inflateSync */ + break; } if (r != Z_STREAM_END) - return r; + return r; r = Z_OK; inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was); if (z->state->nowrap) { - z->state->mode = DONE; - break; + z->state->mode = DONE; + break; } z->state->mode = CHECK4; case CHECK4: @@ -471,10 +471,10 @@ int f; if (z->state->sub.check.was != z->state->sub.check.need) { - z->state->mode = BAD; - z->msg = "incorrect data check"; - z->state->sub.marker = 5; /* can't try inflateSync */ - break; + z->state->mode = BAD; + z->msg = "incorrect data check"; + z->state->sub.marker = 5; /* can't try inflateSync */ + break; } Trace((stderr, "inflate: zlib check ok\n")); z->state->mode = DONE; @@ -606,7 +606,7 @@ struct inflate_blocks_state { struct { inflate_huft *tl, *td; /* trees to free */ inflate_codes_statef - *codes; + *codes; } decode; /* if CODES, current state */ } sub; /* submode */ uInt last; /* true if this block is the last block */ @@ -695,7 +695,7 @@ local int inflate_fast OF(( /* Table for deflate from PKZIP's appnote.txt. */ local uInt border[] = { /* Order of the bit length code lengths */ - 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; /* Notes beyond the 1.93a appnote.txt: @@ -819,56 +819,56 @@ int r; s->last = t & 1; switch (t >> 1) { - case 0: /* stored */ - Trace((stderr, "inflate: stored block%s\n", - s->last ? " (last)" : "")); - DUMPBITS(3) - t = k & 7; /* go to byte boundary */ - DUMPBITS(t) - s->mode = LENS; /* get length of stored block */ - break; - case 1: /* fixed */ - Trace((stderr, "inflate: fixed codes block%s\n", - s->last ? " (last)" : "")); - { - uInt bl, bd; - inflate_huft *tl, *td; - - inflate_trees_fixed(&bl, &bd, &tl, &td); - s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z); - if (s->sub.decode.codes == Z_NULL) - { - r = Z_MEM_ERROR; - LEAVE - } - s->sub.decode.tl = Z_NULL; /* don't try to free these */ - s->sub.decode.td = Z_NULL; - } - DUMPBITS(3) - s->mode = CODES; - break; - case 2: /* dynamic */ - Trace((stderr, "inflate: dynamic codes block%s\n", - s->last ? " (last)" : "")); - DUMPBITS(3) - s->mode = TABLE; - break; - case 3: /* illegal */ - DUMPBITS(3) - s->mode = BADB; - z->msg = "invalid block type"; - r = Z_DATA_ERROR; - LEAVE + case 0: /* stored */ + Trace((stderr, "inflate: stored block%s\n", + s->last ? " (last)" : "")); + DUMPBITS(3) + t = k & 7; /* go to byte boundary */ + DUMPBITS(t) + s->mode = LENS; /* get length of stored block */ + break; + case 1: /* fixed */ + Trace((stderr, "inflate: fixed codes block%s\n", + s->last ? " (last)" : "")); + { + uInt bl, bd; + inflate_huft *tl, *td; + + inflate_trees_fixed(&bl, &bd, &tl, &td); + s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z); + if (s->sub.decode.codes == Z_NULL) + { + r = Z_MEM_ERROR; + LEAVE + } + s->sub.decode.tl = Z_NULL; /* don't try to free these */ + s->sub.decode.td = Z_NULL; + } + DUMPBITS(3) + s->mode = CODES; + break; + case 2: /* dynamic */ + Trace((stderr, "inflate: dynamic codes block%s\n", + s->last ? " (last)" : "")); + DUMPBITS(3) + s->mode = TABLE; + break; + case 3: /* illegal */ + DUMPBITS(3) + s->mode = BADB; + z->msg = "invalid block type"; + r = Z_DATA_ERROR; + LEAVE } break; case LENS: NEEDBITS(32) if (((~b) >> 16) != (b & 0xffff)) { - s->mode = BADB; - z->msg = "invalid stored block lengths"; - r = Z_DATA_ERROR; - LEAVE + s->mode = BADB; + z->msg = "invalid stored block lengths"; + r = Z_DATA_ERROR; + LEAVE } s->sub.left = (uInt)b & 0xffff; b = k = 0; /* dump bits */ @@ -877,7 +877,7 @@ int r; break; case STORED: if (n == 0) - LEAVE + LEAVE NEEDOUT t = s->sub.left; if (t > n) t = n; @@ -886,10 +886,10 @@ int r; p += t; n -= t; q += t; m -= t; if ((s->sub.left -= t) != 0) - break; + break; Tracev((stderr, "inflate: stored end, %lu total out\n", - z->total_out + (q >= s->read ? q - s->read : - (s->end - s->read) + (q - s->window)))); + z->total_out + (q >= s->read ? q - s->read : + (s->end - s->read) + (q - s->window)))); s->mode = s->last ? DRY : TYPE; break; case TABLE: @@ -898,19 +898,19 @@ int r; #ifndef PKZIP_BUG_WORKAROUND if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29) { - s->mode = BADB; - z->msg = "too many length or distance symbols"; - r = Z_DATA_ERROR; - LEAVE + s->mode = BADB; + z->msg = "too many length or distance symbols"; + r = Z_DATA_ERROR; + LEAVE } #endif t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f); if (t < 19) - t = 19; + t = 19; if ((s->sub.trees.blens = (uIntf*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL) { - r = Z_MEM_ERROR; - LEAVE + r = Z_MEM_ERROR; + LEAVE } s->sub.trees.nblens = t; DUMPBITS(14) @@ -920,129 +920,129 @@ int r; case BTREE: while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10)) { - NEEDBITS(3) - s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7; - DUMPBITS(3) + NEEDBITS(3) + s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7; + DUMPBITS(3) } while (s->sub.trees.index < 19) - s->sub.trees.blens[border[s->sub.trees.index++]] = 0; + s->sub.trees.blens[border[s->sub.trees.index++]] = 0; s->sub.trees.bb = 7; t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb, - &s->sub.trees.tb, z); + &s->sub.trees.tb, z); if (t != Z_OK) { - r = t; - if (r == Z_DATA_ERROR) - s->mode = BADB; - LEAVE + r = t; + if (r == Z_DATA_ERROR) + s->mode = BADB; + LEAVE } s->sub.trees.index = 0; Tracev((stderr, "inflate: bits tree ok\n")); s->mode = DTREE; case DTREE: while (t = s->sub.trees.table, - s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f)) + s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f)) { - inflate_huft *h; - uInt i, j, c; - - t = s->sub.trees.bb; - NEEDBITS(t) - h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]); - t = h->word.what.Bits; - c = h->more.Base; - if (c < 16) - { - DUMPBITS(t) - s->sub.trees.blens[s->sub.trees.index++] = c; - } - else /* c == 16..18 */ - { - i = c == 18 ? 7 : c - 14; - j = c == 18 ? 11 : 3; - NEEDBITS(t + i) - DUMPBITS(t) - j += (uInt)b & inflate_mask[i]; - DUMPBITS(i) - i = s->sub.trees.index; - t = s->sub.trees.table; - if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) || - (c == 16 && i < 1)) - { - s->mode = BADB; - z->msg = "invalid bit length repeat"; - r = Z_DATA_ERROR; - LEAVE - } - c = c == 16 ? s->sub.trees.blens[i - 1] : 0; - do { - s->sub.trees.blens[i++] = c; - } while (--j); - s->sub.trees.index = i; - } + inflate_huft *h; + uInt i, j, c; + + t = s->sub.trees.bb; + NEEDBITS(t) + h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]); + t = h->word.what.Bits; + c = h->more.Base; + if (c < 16) + { + DUMPBITS(t) + s->sub.trees.blens[s->sub.trees.index++] = c; + } + else /* c == 16..18 */ + { + i = c == 18 ? 7 : c - 14; + j = c == 18 ? 11 : 3; + NEEDBITS(t + i) + DUMPBITS(t) + j += (uInt)b & inflate_mask[i]; + DUMPBITS(i) + i = s->sub.trees.index; + t = s->sub.trees.table; + if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) || + (c == 16 && i < 1)) + { + s->mode = BADB; + z->msg = "invalid bit length repeat"; + r = Z_DATA_ERROR; + LEAVE + } + c = c == 16 ? s->sub.trees.blens[i - 1] : 0; + do { + s->sub.trees.blens[i++] = c; + } while (--j); + s->sub.trees.index = i; + } } inflate_trees_free(s->sub.trees.tb, z); s->sub.trees.tb = Z_NULL; { - uInt bl, bd; - inflate_huft *tl, *td; - inflate_codes_statef *c; - - bl = 9; /* must be <= 9 for lookahead assumptions */ - bd = 6; /* must be <= 9 for lookahead assumptions */ - t = s->sub.trees.table; - t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f), - s->sub.trees.blens, &bl, &bd, &tl, &td, z); - if (t != Z_OK) - { - if (t == (uInt)Z_DATA_ERROR) - s->mode = BADB; - r = t; - LEAVE - } - Tracev((stderr, "inflate: trees ok\n")); - if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL) - { - inflate_trees_free(td, z); - inflate_trees_free(tl, z); - r = Z_MEM_ERROR; - LEAVE - } - ZFREE(z, s->sub.trees.blens, s->sub.trees.nblens * sizeof(uInt)); - s->sub.decode.codes = c; - s->sub.decode.tl = tl; - s->sub.decode.td = td; + uInt bl, bd; + inflate_huft *tl, *td; + inflate_codes_statef *c; + + bl = 9; /* must be <= 9 for lookahead assumptions */ + bd = 6; /* must be <= 9 for lookahead assumptions */ + t = s->sub.trees.table; + t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f), + s->sub.trees.blens, &bl, &bd, &tl, &td, z); + if (t != Z_OK) + { + if (t == (uInt)Z_DATA_ERROR) + s->mode = BADB; + r = t; + LEAVE + } + Tracev((stderr, "inflate: trees ok\n")); + if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL) + { + inflate_trees_free(td, z); + inflate_trees_free(tl, z); + r = Z_MEM_ERROR; + LEAVE + } + ZFREE(z, s->sub.trees.blens, s->sub.trees.nblens * sizeof(uInt)); + s->sub.decode.codes = c; + s->sub.decode.tl = tl; + s->sub.decode.td = td; } s->mode = CODES; case CODES: UPDATE if ((r = inflate_codes(s, z, r)) != Z_STREAM_END) - return inflate_flush(s, z, r); + return inflate_flush(s, z, r); r = Z_OK; inflate_codes_free(s->sub.decode.codes, z); inflate_trees_free(s->sub.decode.td, z); inflate_trees_free(s->sub.decode.tl, z); LOAD Tracev((stderr, "inflate: codes end, %lu total out\n", - z->total_out + (q >= s->read ? q - s->read : - (s->end - s->read) + (q - s->window)))); + z->total_out + (q >= s->read ? q - s->read : + (s->end - s->read) + (q - s->window)))); if (!s->last) { - s->mode = TYPE; - break; + s->mode = TYPE; + break; } if (k > 7) /* return unused byte, if any */ { - Assert(k < 16, "inflate_codes grabbed too many bytes") - k -= 8; - n++; - p--; /* can always return one */ + Assert(k < 16, "inflate_codes grabbed too many bytes") + k -= 8; + n++; + p--; /* can always return one */ } s->mode = DRY; case DRY: FLUSH if (s->read != s->write) - LEAVE + LEAVE s->mode = DONEB; case DONEB: r = Z_STREAM_END; @@ -1175,20 +1175,20 @@ local void ffree OF(( /* Tables for deflate from PKZIP's appnote.txt. */ local uInt cplens[] = { /* Copy lengths for literal codes 257..285 */ - 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, - 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; - /* actually lengths - 2; also see note #13 above about 258 */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, + 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; + /* actually lengths - 2; also see note #13 above about 258 */ local uInt cplext[] = { /* Extra bits for literal codes 257..285 */ - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, - 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 192, 192}; /* 192==invalid */ + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, + 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 192, 192}; /* 192==invalid */ local uInt cpdist[] = { /* Copy offsets for distance codes 0..29 */ - 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, - 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, - 8193, 12289, 16385, 24577}; + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, + 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, + 8193, 12289, 16385, 24577}; local uInt cpdext[] = { /* Extra bits for distance codes */ - 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, - 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, - 12, 12, 13, 13}; + 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, + 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, + 12, 12, 13, 13}; /* Huffman code decoding is performed using a multi-level table lookup. @@ -1347,83 +1347,83 @@ z_stream *zs; /* for zalloc function */ /* make tables up to required level */ while (k > w + l) { - h++; - w += l; /* previous table always l bits */ - - /* compute minimum size table less than or equal to l bits */ - z = (z = g - w) > (uInt)l ? l : z; /* table size upper limit */ - if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */ - { /* too few codes for k-w bit table */ - f -= a + 1; /* deduct codes from patterns left */ - xp = c + k; - if (j < z) - while (++j < z) /* try smaller tables up to z bits */ - { - if ((f <<= 1) <= *++xp) - break; /* enough codes to use up j bits */ - f -= *xp; /* else deduct codes from patterns */ - } - } - z = 1 << j; /* table entries for j-bit table */ - - /* allocate and link in new table */ - if ((q = (inflate_huft *)ZALLOC - (zs,z + 1,sizeof(inflate_huft))) == Z_NULL) - { - if (h) - inflate_trees_free(u[0], zs); - return Z_MEM_ERROR; /* not enough memory */ - } + h++; + w += l; /* previous table always l bits */ + + /* compute minimum size table less than or equal to l bits */ + z = (z = g - w) > (uInt)l ? l : z; /* table size upper limit */ + if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */ + { /* too few codes for k-w bit table */ + f -= a + 1; /* deduct codes from patterns left */ + xp = c + k; + if (j < z) + while (++j < z) /* try smaller tables up to z bits */ + { + if ((f <<= 1) <= *++xp) + break; /* enough codes to use up j bits */ + f -= *xp; /* else deduct codes from patterns */ + } + } + z = 1 << j; /* table entries for j-bit table */ + + /* allocate and link in new table */ + if ((q = (inflate_huft *)ZALLOC + (zs,z + 1,sizeof(inflate_huft))) == Z_NULL) + { + if (h) + inflate_trees_free(u[0], zs); + return Z_MEM_ERROR; /* not enough memory */ + } q->word.Nalloc = z + 1; #ifdef DEBUG_ZLIB - inflate_hufts += z + 1; + inflate_hufts += z + 1; #endif - *t = q + 1; /* link to list for huft_free() */ - *(t = &(q->next)) = Z_NULL; - u[h] = ++q; /* table starts after link */ - - /* connect to last table, if there is one */ - if (h) - { - x[h] = i; /* save pattern for backing up */ - r.bits = (Byte)l; /* bits to dump before this table */ - r.exop = (Byte)j; /* bits in this table */ - r.next = q; /* pointer to this table */ - j = i >> (w - l); /* (get around Turbo C bug) */ - u[h-1][j] = r; /* connect to last table */ - } + *t = q + 1; /* link to list for huft_free() */ + *(t = &(q->next)) = Z_NULL; + u[h] = ++q; /* table starts after link */ + + /* connect to last table, if there is one */ + if (h) + { + x[h] = i; /* save pattern for backing up */ + r.bits = (Byte)l; /* bits to dump before this table */ + r.exop = (Byte)j; /* bits in this table */ + r.next = q; /* pointer to this table */ + j = i >> (w - l); /* (get around Turbo C bug) */ + u[h-1][j] = r; /* connect to last table */ + } } /* set up table entry in r */ r.bits = (Byte)(k - w); if (p >= v + n) - r.exop = 128 + 64; /* out of values--invalid code */ + r.exop = 128 + 64; /* out of values--invalid code */ else if (*p < s) { - r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */ - r.base = *p++; /* simple code is just the value */ + r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */ + r.base = *p++; /* simple code is just the value */ } else { - r.exop = (Byte)e[*p - s] + 16 + 64; /* non-simple--look up in lists */ - r.base = d[*p++ - s]; + r.exop = (Byte)e[*p - s] + 16 + 64; /* non-simple--look up in lists */ + r.base = d[*p++ - s]; } /* fill code-like entries with r */ f = 1 << (k - w); for (j = i >> w; j < z; j += f) - q[j] = r; + q[j] = r; /* backwards increment the k-bit code i */ for (j = 1 << (k - 1); i & j; j >>= 1) - i ^= j; + i ^= j; i ^= j; /* backup over finished tables */ while ((i & ((1 << w) - 1)) != x[h]) { - h--; /* don't need to update q */ - w -= l; + h--; /* don't need to update q */ + w -= l; } } } @@ -1523,7 +1523,7 @@ uInt n; /* number of items */ uInt s; /* size of item */ { Assert(s == sizeof(inflate_huft) && n <= fixed_left, - "inflate_trees falloc overflow"); + "inflate_trees falloc overflow"); if (q) s++; /* to make some compilers happy */ fixed_left -= n; return (voidpf)(fixed_mem + fixed_left); @@ -1710,14 +1710,14 @@ int r; #ifndef SLOW if (m >= 258 && n >= 10) { - UPDATE - r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z); - LOAD - if (r != Z_OK) - { - c->mode = r == Z_STREAM_END ? WASH : BADCODE; - break; - } + UPDATE + r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z); + LOAD + if (r != Z_OK) + { + c->mode = r == Z_STREAM_END ? WASH : BADCODE; + break; + } } #endif /* !SLOW */ c->sub.code.need = c->lbits; @@ -1731,31 +1731,31 @@ int r; e = (uInt)(t->exop); if (e == 0) /* literal */ { - c->sub.lit = t->base; - Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ? - "inflate: literal '%c'\n" : - "inflate: literal 0x%02x\n", t->base)); - c->mode = LIT; - break; + c->sub.lit = t->base; + Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", t->base)); + c->mode = LIT; + break; } if (e & 16) /* length */ { - c->sub.copy.get = e & 15; - c->len = t->base; - c->mode = LENEXT; - break; + c->sub.copy.get = e & 15; + c->len = t->base; + c->mode = LENEXT; + break; } if ((e & 64) == 0) /* next table */ { - c->sub.code.need = e; - c->sub.code.tree = t->next; - break; + c->sub.code.need = e; + c->sub.code.tree = t->next; + break; } if (e & 32) /* end of block */ { - Tracevv((stderr, "inflate: end of block\n")); - c->mode = WASH; - break; + Tracevv((stderr, "inflate: end of block\n")); + c->mode = WASH; + break; } c->mode = BADCODE; /* invalid code */ z->msg = "invalid literal/length code"; @@ -1778,16 +1778,16 @@ int r; e = (uInt)(t->exop); if (e & 16) /* distance */ { - c->sub.copy.get = e & 15; - c->sub.copy.dist = t->base; - c->mode = DISTEXT; - break; + c->sub.copy.get = e & 15; + c->sub.copy.dist = t->base; + c->mode = DISTEXT; + break; } if ((e & 64) == 0) /* next table */ { - c->sub.code.need = e; - c->sub.code.tree = t->next; - break; + c->sub.code.need = e; + c->sub.code.tree = t->next; + break; } c->mode = BADCODE; /* invalid code */ z->msg = "invalid distance code"; @@ -1803,20 +1803,20 @@ int r; case COPY: /* o: copying bytes in window, waiting for space */ #ifndef __TURBOC__ /* Turbo C bug for following expression */ f = (uInt)(q - s->window) < c->sub.copy.dist ? - s->end - (c->sub.copy.dist - (q - s->window)) : - q - c->sub.copy.dist; + s->end - (c->sub.copy.dist - (q - s->window)) : + q - c->sub.copy.dist; #else f = q - c->sub.copy.dist; if ((uInt)(q - s->window) < c->sub.copy.dist) - f = s->end - (c->sub.copy.dist - (q - s->window)); + f = s->end - (c->sub.copy.dist - (q - s->window)); #endif while (c->len) { - NEEDOUT - OUTBYTE(*f++) - if (f == s->end) - f = s->window; - c->len--; + NEEDOUT + OUTBYTE(*f++) + if (f == s->end) + f = s->window; + c->len--; } c->mode = START; break; @@ -1828,7 +1828,7 @@ int r; case WASH: /* o: got eob, possibly more output */ FLUSH if (s->read != s->write) - LEAVE + LEAVE c->mode = END; case END: r = Z_STREAM_END; @@ -1988,8 +1988,8 @@ z_stream *z; { DUMPBITS(t->bits) Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ? - "inflate: * literal '%c'\n" : - "inflate: * literal 0x%02x\n", t->base)); + "inflate: * literal '%c'\n" : + "inflate: * literal 0x%02x\n", t->base)); *q++ = (Byte)t->base; m--; continue; @@ -1998,90 +1998,90 @@ z_stream *z; DUMPBITS(t->bits) if (e & 16) { - /* get extra bits for length */ - e &= 15; - c = t->base + ((uInt)b & inflate_mask[e]); - DUMPBITS(e) - Tracevv((stderr, "inflate: * length %u\n", c)); - - /* decode distance base of block to copy */ - GRABBITS(15); /* max bits for distance code */ - e = (t = td + ((uInt)b & md))->exop; - do { - DUMPBITS(t->bits) - if (e & 16) - { - /* get extra bits to add to distance base */ - e &= 15; - GRABBITS(e) /* get extra bits (up to 13) */ - d = t->base + ((uInt)b & inflate_mask[e]); - DUMPBITS(e) - Tracevv((stderr, "inflate: * distance %u\n", d)); - - /* do the copy */ - m -= c; - if ((uInt)(q - s->window) >= d) /* offset before dest */ - { /* just copy */ - r = q - d; - *q++ = *r++; c--; /* minimum count is three, */ - *q++ = *r++; c--; /* so unroll loop a little */ - } - else /* else offset after destination */ - { - e = d - (q - s->window); /* bytes from offset to end */ - r = s->end - e; /* pointer to offset */ - if (c > e) /* if source crosses, */ - { - c -= e; /* copy to end of window */ - do { - *q++ = *r++; - } while (--e); - r = s->window; /* copy rest from start of window */ - } - } - do { /* copy all or what's left */ - *q++ = *r++; - } while (--c); - break; - } - else if ((e & 64) == 0) - e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop; - else - { - z->msg = "invalid distance code"; - UNGRAB - UPDATE - return Z_DATA_ERROR; - } - } while (1); - break; + /* get extra bits for length */ + e &= 15; + c = t->base + ((uInt)b & inflate_mask[e]); + DUMPBITS(e) + Tracevv((stderr, "inflate: * length %u\n", c)); + + /* decode distance base of block to copy */ + GRABBITS(15); /* max bits for distance code */ + e = (t = td + ((uInt)b & md))->exop; + do { + DUMPBITS(t->bits) + if (e & 16) + { + /* get extra bits to add to distance base */ + e &= 15; + GRABBITS(e) /* get extra bits (up to 13) */ + d = t->base + ((uInt)b & inflate_mask[e]); + DUMPBITS(e) + Tracevv((stderr, "inflate: * distance %u\n", d)); + + /* do the copy */ + m -= c; + if ((uInt)(q - s->window) >= d) /* offset before dest */ + { /* just copy */ + r = q - d; + *q++ = *r++; c--; /* minimum count is three, */ + *q++ = *r++; c--; /* so unroll loop a little */ + } + else /* else offset after destination */ + { + e = d - (q - s->window); /* bytes from offset to end */ + r = s->end - e; /* pointer to offset */ + if (c > e) /* if source crosses, */ + { + c -= e; /* copy to end of window */ + do { + *q++ = *r++; + } while (--e); + r = s->window; /* copy rest from start of window */ + } + } + do { /* copy all or what's left */ + *q++ = *r++; + } while (--c); + break; + } + else if ((e & 64) == 0) + e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop; + else + { + z->msg = "invalid distance code"; + UNGRAB + UPDATE + return Z_DATA_ERROR; + } + } while (1); + break; } if ((e & 64) == 0) { - if ((e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop) == 0) - { - DUMPBITS(t->bits) - Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ? - "inflate: * literal '%c'\n" : - "inflate: * literal 0x%02x\n", t->base)); - *q++ = (Byte)t->base; - m--; - break; - } + if ((e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop) == 0) + { + DUMPBITS(t->bits) + Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ? + "inflate: * literal '%c'\n" : + "inflate: * literal 0x%02x\n", t->base)); + *q++ = (Byte)t->base; + m--; + break; + } } else if (e & 32) { - Tracevv((stderr, "inflate: * end of block\n")); - UNGRAB - UPDATE - return Z_STREAM_END; + Tracevv((stderr, "inflate: * end of block\n")); + UNGRAB + UPDATE + return Z_STREAM_END; } else { - z->msg = "invalid literal/length code"; - UNGRAB - UPDATE - return Z_DATA_ERROR; + z->msg = "invalid literal/length code"; + UNGRAB + UPDATE + return Z_DATA_ERROR; } } while (1); } while (m >= 258 && n >= 10); @@ -2145,17 +2145,17 @@ uLong adler32(adler, buf, len) if (buf == Z_NULL) return 1L; while (len > 0) { - k = len < NMAX ? len : NMAX; - len -= k; - while (k >= 16) { - DO16(buf); - k -= 16; - } - if (k != 0) do { - DO1(buf); - } while (--k); - s1 %= BASE; - s2 %= BASE; + k = len < NMAX ? len : NMAX; + len -= k; + while (k >= 16) { + DO16(buf); + k -= 16; + } + if (k != 0) do { + DO1(buf); + } while (--k); + s1 %= BASE; + s2 %= BASE; } return (s2 << 16) | s1; } |