From 5a3c3447b7d7957e3ccfa7e3b09ca83e3637ea1d Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Fri, 8 May 2015 23:34:31 +0100 Subject: Updated zlib --- lib/zlib/compress.c | 2 +- lib/zlib/deflate.c | 12 +++++----- lib/zlib/deflate.h | 2 +- lib/zlib/gzguts.h | 22 +++++++++++++++--- lib/zlib/gzlib.c | 40 ++++++++++++++++++++++----------- lib/zlib/gzread.c | 21 +++++++++++------- lib/zlib/gzwrite.c | 64 +++++++++++++++++++++++++++++++---------------------- lib/zlib/infback.c | 2 +- lib/zlib/inffast.c | 6 ++--- lib/zlib/inflate.c | 64 +++++++++++++++++++++++++++++++++-------------------- lib/zlib/inftrees.c | 14 ++++++------ lib/zlib/trees.c | 14 +++++++----- lib/zlib/uncompr.c | 2 +- lib/zlib/zconf.h | 33 +++++++++++++++------------ lib/zlib/zlib.h | 48 ++++++++++++++++++++++++++++++---------- lib/zlib/zutil.c | 2 +- lib/zlib/zutil.h | 9 ++++---- 17 files changed, 227 insertions(+), 130 deletions(-) (limited to 'lib/zlib') diff --git a/lib/zlib/compress.c b/lib/zlib/compress.c index ea4dfbe9d..6e9762676 100644 --- a/lib/zlib/compress.c +++ b/lib/zlib/compress.c @@ -29,7 +29,7 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) z_stream stream; int err; - stream.next_in = (Bytef*)source; + stream.next_in = (z_const Bytef *)source; stream.avail_in = (uInt)sourceLen; #ifdef MAXSEG_64K /* Check for source > 64K on 16-bit machine: */ diff --git a/lib/zlib/deflate.c b/lib/zlib/deflate.c index 9e4c2cbc8..696957705 100644 --- a/lib/zlib/deflate.c +++ b/lib/zlib/deflate.c @@ -1,5 +1,5 @@ /* deflate.c -- compress data using the deflation algorithm - * Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler + * Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -52,7 +52,7 @@ #include "deflate.h" const char deflate_copyright[] = - " deflate 1.2.7 Copyright 1995-2012 Jean-loup Gailly and Mark Adler "; + " deflate 1.2.8 Copyright 1995-2013 Jean-loup Gailly and Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -305,7 +305,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || s->pending_buf == Z_NULL) { s->status = FINISH_STATE; - strm->msg = (char*)ERR_MSG(Z_MEM_ERROR); + strm->msg = ERR_MSG(Z_MEM_ERROR); deflateEnd (strm); return Z_MEM_ERROR; } @@ -329,7 +329,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) uInt str, n; int wrap; unsigned avail; - unsigned char *next; + z_const unsigned char *next; if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL) return Z_STREAM_ERROR; @@ -359,7 +359,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) avail = strm->avail_in; next = strm->next_in; strm->avail_in = dictLength; - strm->next_in = (Bytef *)dictionary; + strm->next_in = (z_const Bytef *)dictionary; fill_window(s); while (s->lookahead >= MIN_MATCH) { str = s->strstart; @@ -513,6 +513,8 @@ int ZEXPORT deflateParams(strm, level, strategy) strm->total_in != 0) { /* Flush the last buffer: */ err = deflate(strm, Z_BLOCK); + if (err == Z_BUF_ERROR && s->pending == 0) + err = Z_OK; } if (s->level != level) { s->level = level; diff --git a/lib/zlib/deflate.h b/lib/zlib/deflate.h index fbac44d90..ce0299edd 100644 --- a/lib/zlib/deflate.h +++ b/lib/zlib/deflate.h @@ -104,7 +104,7 @@ typedef struct internal_state { int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ gz_headerp gzhead; /* gzip header information to write */ uInt gzindex; /* where in extra, name, or comment */ - Byte method; /* STORED (for zip only) or DEFLATED */ + Byte method; /* can only be DEFLATED */ int last_flush; /* value of flush param for previous deflate call */ /* used by deflate.c: */ diff --git a/lib/zlib/gzguts.h b/lib/zlib/gzguts.h index ee3f281aa..d87659d03 100644 --- a/lib/zlib/gzguts.h +++ b/lib/zlib/gzguts.h @@ -1,5 +1,5 @@ /* gzguts.h -- zlib internal header definitions for gz* operations - * Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -35,6 +35,13 @@ # include #endif +#ifdef WINAPI_FAMILY +# define open _open +# define read _read +# define write _write +# define close _close +#endif + #ifdef NO_DEFLATE /* for compatibility with old definition */ # define NO_GZCOMPRESS #endif @@ -60,7 +67,7 @@ #ifndef HAVE_VSNPRINTF # ifdef MSDOS /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), - but for now we just assume it doesn't. */ + but for now we just assume it doesn't. */ # define NO_vsnprintf # endif # ifdef __TURBOC__ @@ -88,6 +95,14 @@ # endif #endif +/* unlike snprintf (which is required in C99, yet still not supported by + Microsoft more than a decade later!), _snprintf does not guarantee null + termination of the result -- however this is only used in gzlib.c where + the result is assured to fit in the space provided */ +#ifdef _MSC_VER +# define snprintf _snprintf +#endif + #ifndef local # define local static #endif @@ -127,7 +142,8 @@ # define DEF_MEM_LEVEL MAX_MEM_LEVEL #endif -/* default i/o buffer size -- double this for output when reading */ +/* default i/o buffer size -- double this for output when reading (this and + twice this must be able to fit in an unsigned type) */ #define GZBUFSIZE 8192 /* gzip modes, also provide a little integrity check on the passed structure */ diff --git a/lib/zlib/gzlib.c b/lib/zlib/gzlib.c index ca55c6ea9..fae202ef8 100644 --- a/lib/zlib/gzlib.c +++ b/lib/zlib/gzlib.c @@ -1,5 +1,5 @@ /* gzlib.c -- zlib functions common to reading and writing gzip files - * Copyright (C) 2004, 2010, 2011, 2012 Mark Adler + * Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -108,7 +108,7 @@ local gzFile gz_open(path, fd, mode) return NULL; /* allocate gzFile structure to return */ - state = malloc(sizeof(gz_state)); + state = (gz_statep)malloc(sizeof(gz_state)); if (state == NULL) return NULL; state->size = 0; /* no buffers allocated yet */ @@ -162,8 +162,10 @@ local gzFile gz_open(path, fd, mode) break; case 'F': state->strategy = Z_FIXED; + break; case 'T': state->direct = 1; + break; default: /* could consider as an error, but just ignore */ ; } @@ -194,8 +196,8 @@ local gzFile gz_open(path, fd, mode) } else #endif - len = strlen(path); - state->path = malloc(len + 1); + len = strlen((const char *)path); + state->path = (char *)malloc(len + 1); if (state->path == NULL) { free(state); return NULL; @@ -208,7 +210,11 @@ local gzFile gz_open(path, fd, mode) *(state->path) = 0; else #endif +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(state->path, len + 1, "%s", (const char *)path); +#else strcpy(state->path, path); +#endif /* compute the flags for open() */ oflag = @@ -236,7 +242,7 @@ local gzFile gz_open(path, fd, mode) #ifdef _WIN32 fd == -2 ? _wopen(path, oflag, 0666) : #endif - open(path, oflag, 0666)); + open((const char *)path, oflag, 0666)); if (state->fd == -1) { free(state->path); free(state); @@ -282,9 +288,13 @@ gzFile ZEXPORT gzdopen(fd, mode) char *path; /* identifier for error messages */ gzFile gz; - if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL) + if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL) return NULL; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(path, 7 + 3 * sizeof(int), "", fd); /* for debugging */ +#else sprintf(path, "", fd); /* for debugging */ +#endif gz = gz_open(path, fd, mode); free(path); return gz; @@ -531,7 +541,8 @@ const char * ZEXPORT gzerror(file, errnum) /* return error information */ if (errnum != NULL) *errnum = state->err; - return state->msg == NULL ? "" : state->msg; + return state->err == Z_MEM_ERROR ? "out of memory" : + (state->msg == NULL ? "" : state->msg); } /* -- see zlib.h -- */ @@ -582,21 +593,24 @@ void ZLIB_INTERNAL gz_error(state, err, msg) if (msg == NULL) return; - /* for an out of memory error, save as static string */ - if (err == Z_MEM_ERROR) { - state->msg = (char *)msg; + /* for an out of memory error, return literal string when requested */ + if (err == Z_MEM_ERROR) return; - } /* construct error message with path */ - if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) { + if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) == + NULL) { state->err = Z_MEM_ERROR; - state->msg = (char *)"out of memory"; return; } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + snprintf(state->msg, strlen(state->path) + strlen(msg) + 3, + "%s%s%s", state->path, ": ", msg); +#else strcpy(state->msg, state->path); strcat(state->msg, ": "); strcat(state->msg, msg); +#endif return; } diff --git a/lib/zlib/gzread.c b/lib/zlib/gzread.c index 3493d34d4..bf4538eb2 100644 --- a/lib/zlib/gzread.c +++ b/lib/zlib/gzread.c @@ -1,5 +1,5 @@ /* gzread.c -- zlib functions for reading gzip files - * Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -58,7 +58,8 @@ local int gz_avail(state) return -1; if (state->eof == 0) { if (strm->avail_in) { /* copy what's there to the start */ - unsigned char *p = state->in, *q = strm->next_in; + unsigned char *p = state->in; + unsigned const char *q = strm->next_in; unsigned n = strm->avail_in; do { *p++ = *q++; @@ -90,8 +91,8 @@ local int gz_look(state) /* allocate read buffers and inflate memory */ if (state->size == 0) { /* allocate buffers */ - state->in = malloc(state->want); - state->out = malloc(state->want << 1); + state->in = (unsigned char *)malloc(state->want); + state->out = (unsigned char *)malloc(state->want << 1); if (state->in == NULL || state->out == NULL) { if (state->out != NULL) free(state->out); @@ -352,14 +353,14 @@ int ZEXPORT gzread(file, buf, len) /* large len -- read directly into user buffer */ else if (state->how == COPY) { /* read directly */ - if (gz_load(state, buf, len, &n) == -1) + if (gz_load(state, (unsigned char *)buf, len, &n) == -1) return -1; } /* large len -- decompress directly into user buffer */ else { /* state->how == GZIP */ strm->avail_out = len; - strm->next_out = buf; + strm->next_out = (unsigned char *)buf; if (gz_decomp(state) == -1) return -1; n = state->x.have; @@ -378,7 +379,11 @@ int ZEXPORT gzread(file, buf, len) } /* -- see zlib.h -- */ -#undef gzgetc +#ifdef Z_PREFIX_SET +# undef z_gzgetc +#else +# undef gzgetc +#endif int ZEXPORT gzgetc(file) gzFile file; { @@ -518,7 +523,7 @@ char * ZEXPORT gzgets(file, buf, len) /* look for end-of-line in current output buffer */ n = state->x.have > left ? left : state->x.have; - eol = memchr(state->x.next, '\n', n); + eol = (unsigned char *)memchr(state->x.next, '\n', n); if (eol != NULL) n = (unsigned)(eol - state->x.next) + 1; diff --git a/lib/zlib/gzwrite.c b/lib/zlib/gzwrite.c index 27cb3428e..aa767fbf6 100644 --- a/lib/zlib/gzwrite.c +++ b/lib/zlib/gzwrite.c @@ -1,5 +1,5 @@ /* gzwrite.c -- zlib functions for writing gzip files - * Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -19,7 +19,7 @@ local int gz_init(state) z_streamp strm = &(state->strm); /* allocate input buffer */ - state->in = malloc(state->want); + state->in = (unsigned char *)malloc(state->want); if (state->in == NULL) { gz_error(state, Z_MEM_ERROR, "out of memory"); return -1; @@ -28,7 +28,7 @@ local int gz_init(state) /* only need output buffer and deflate state if compressing */ if (!state->direct) { /* allocate output buffer */ - state->out = malloc(state->want); + state->out = (unsigned char *)malloc(state->want); if (state->out == NULL) { free(state->in); gz_error(state, Z_MEM_ERROR, "out of memory"); @@ -168,7 +168,6 @@ int ZEXPORT gzwrite(file, buf, len) unsigned len; { unsigned put = len; - unsigned n; gz_statep state; z_streamp strm; @@ -208,16 +207,19 @@ int ZEXPORT gzwrite(file, buf, len) if (len < state->size) { /* copy to input buffer, compress when full */ do { + unsigned have, copy; + if (strm->avail_in == 0) strm->next_in = state->in; - n = state->size - strm->avail_in; - if (n > len) - n = len; - memcpy(strm->next_in + strm->avail_in, buf, n); - strm->avail_in += n; - state->x.pos += n; - buf = (char *)buf + n; - len -= n; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + copy = state->size - have; + if (copy > len) + copy = len; + memcpy(state->in + have, buf, copy); + strm->avail_in += copy; + state->x.pos += copy; + buf = (const char *)buf + copy; + len -= copy; if (len && gz_comp(state, Z_NO_FLUSH) == -1) return 0; } while (len); @@ -229,7 +231,7 @@ int ZEXPORT gzwrite(file, buf, len) /* directly compress user buffer to file */ strm->avail_in = len; - strm->next_in = (voidp)buf; + strm->next_in = (z_const Bytef *)buf; state->x.pos += len; if (gz_comp(state, Z_NO_FLUSH) == -1) return 0; @@ -244,6 +246,7 @@ int ZEXPORT gzputc(file, c) gzFile file; int c; { + unsigned have; unsigned char buf[1]; gz_statep state; z_streamp strm; @@ -267,12 +270,16 @@ int ZEXPORT gzputc(file, c) /* try writing to input buffer for speed (state->size == 0 if buffer not initialized) */ - if (strm->avail_in < state->size) { + if (state->size) { if (strm->avail_in == 0) strm->next_in = state->in; - strm->next_in[strm->avail_in++] = c; - state->x.pos++; - return c & 0xff; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + if (have < state->size) { + state->in[have] = c; + strm->avail_in++; + state->x.pos++; + return c & 0xff; + } } /* no room in buffer or not initialized, use gz_write() */ @@ -300,12 +307,11 @@ int ZEXPORT gzputs(file, str) #include /* -- see zlib.h -- */ -int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) +int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) { int size, len; gz_statep state; z_streamp strm; - va_list va; /* get internal structure */ if (file == NULL) @@ -335,25 +341,20 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) /* do the printf() into the input buffer, put length in len */ size = (int)(state->size); state->in[size - 1] = 0; - va_start(va, format); #ifdef NO_vsnprintf # ifdef HAS_vsprintf_void (void)vsprintf((char *)(state->in), format, va); - va_end(va); for (len = 0; len < size; len++) if (state->in[len] == 0) break; # else len = vsprintf((char *)(state->in), format, va); - va_end(va); # endif #else # ifdef HAS_vsnprintf_void (void)vsnprintf((char *)(state->in), size, format, va); - va_end(va); len = strlen((char *)(state->in)); # else len = vsnprintf((char *)(state->in), size, format, va); - va_end(va); # endif #endif @@ -368,6 +369,17 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...) return len; } +int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) +{ + va_list va; + int ret; + + va_start(va, format); + ret = gzvprintf(file, format, va); + va_end(va); + return ret; +} + #else /* !STDC && !Z_HAVE_STDARG_H */ /* -- see zlib.h -- */ @@ -547,9 +559,9 @@ int ZEXPORT gzclose_w(file) } /* flush, free memory, and close file */ + if (gz_comp(state, Z_FINISH) == -1) + ret = state->err; if (state->size) { - if (gz_comp(state, Z_FINISH) == -1) - ret = state->err; if (!state->direct) { (void)deflateEnd(&(state->strm)); free(state->out); diff --git a/lib/zlib/infback.c b/lib/zlib/infback.c index 981aff17c..f3833c2e4 100644 --- a/lib/zlib/infback.c +++ b/lib/zlib/infback.c @@ -255,7 +255,7 @@ out_func out; void FAR *out_desc; { struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ + z_const unsigned char FAR *next; /* next input */ unsigned char FAR *put; /* next output */ unsigned have, left; /* available input and output */ unsigned long hold; /* bit buffer */ diff --git a/lib/zlib/inffast.c b/lib/zlib/inffast.c index 2f1d60b43..bda59ceb6 100644 --- a/lib/zlib/inffast.c +++ b/lib/zlib/inffast.c @@ -1,5 +1,5 @@ /* inffast.c -- fast decoding - * Copyright (C) 1995-2008, 2010 Mark Adler + * Copyright (C) 1995-2008, 2010, 2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -69,8 +69,8 @@ z_streamp strm; unsigned start; /* inflate()'s starting value for strm->avail_out */ { struct inflate_state FAR *state; - unsigned char FAR *in; /* local strm->next_in */ - unsigned char FAR *last; /* while in < last, enough input available */ + z_const unsigned char FAR *in; /* local strm->next_in */ + z_const unsigned char FAR *last; /* have enough input while in < last */ unsigned char FAR *out; /* local strm->next_out */ unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ unsigned char FAR *end; /* while out < end, enough space available */ diff --git a/lib/zlib/inflate.c b/lib/zlib/inflate.c index 47418a1e1..870f89bb4 100644 --- a/lib/zlib/inflate.c +++ b/lib/zlib/inflate.c @@ -93,11 +93,12 @@ /* function prototypes */ local void fixedtables OF((struct inflate_state FAR *state)); -local int updatewindow OF((z_streamp strm, unsigned out)); +local int updatewindow OF((z_streamp strm, const unsigned char FAR *end, + unsigned copy)); #ifdef BUILDFIXED void makefixed OF((void)); #endif -local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf, +local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf, unsigned len)); int ZEXPORT inflateResetKeep(strm) @@ -375,12 +376,13 @@ void makefixed() output will fall in the output data, making match copies simpler and faster. The advantage may be dependent on the size of the processor's data caches. */ -local int updatewindow(strm, out) +local int updatewindow(strm, end, copy) z_streamp strm; -unsigned out; +const Bytef *end; +unsigned copy; { struct inflate_state FAR *state; - unsigned copy, dist; + unsigned dist; state = (struct inflate_state FAR *)strm->state; @@ -400,19 +402,18 @@ unsigned out; } /* copy state->wsize or less output bytes into the circular window */ - copy = out - strm->avail_out; if (copy >= state->wsize) { - zmemcpy(state->window, strm->next_out - state->wsize, state->wsize); + zmemcpy(state->window, end - state->wsize, state->wsize); state->wnext = 0; state->whave = state->wsize; } else { dist = state->wsize - state->wnext; if (dist > copy) dist = copy; - zmemcpy(state->window + state->wnext, strm->next_out - copy, dist); + zmemcpy(state->window + state->wnext, end - copy, dist); copy -= dist; if (copy) { - zmemcpy(state->window, strm->next_out - copy, copy); + zmemcpy(state->window, end - copy, copy); state->wnext = copy; state->whave = state->wsize; } @@ -606,7 +607,7 @@ z_streamp strm; int flush; { struct inflate_state FAR *state; - unsigned char FAR *next; /* next input */ + z_const unsigned char FAR *next; /* next input */ unsigned char FAR *put; /* next output */ unsigned have, left; /* available input and output */ unsigned long hold; /* bit buffer */ @@ -920,7 +921,7 @@ int flush; while (state->have < 19) state->lens[order[state->have++]] = 0; state->next = state->codes; - state->lencode = (code const FAR *)(state->next); + state->lencode = (const code FAR *)(state->next); state->lenbits = 7; ret = inflate_table(CODES, state->lens, 19, &(state->next), &(state->lenbits), state->work); @@ -994,7 +995,7 @@ int flush; values here (9 and 6) without reading the comments in inftrees.h concerning the ENOUGH constants, which depend on those values */ state->next = state->codes; - state->lencode = (code const FAR *)(state->next); + state->lencode = (const code FAR *)(state->next); state->lenbits = 9; ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), &(state->lenbits), state->work); @@ -1003,7 +1004,7 @@ int flush; state->mode = BAD; break; } - state->distcode = (code const FAR *)(state->next); + state->distcode = (const code FAR *)(state->next); state->distbits = 6; ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, &(state->next), &(state->distbits), state->work); @@ -1230,7 +1231,7 @@ int flush; RESTORE(); if (state->wsize || (out != strm->avail_out && state->mode < BAD && (state->mode < CHECK || flush != Z_FINISH))) - if (updatewindow(strm, out)) { + if (updatewindow(strm, strm->next_out, out - strm->avail_out)) { state->mode = MEM; return Z_MEM_ERROR; } @@ -1264,6 +1265,29 @@ z_streamp strm; return Z_OK; } +int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength) +z_streamp strm; +Bytef *dictionary; +uInt *dictLength; +{ + struct inflate_state FAR *state; + + /* check state */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* copy dictionary */ + if (state->whave && dictionary != Z_NULL) { + zmemcpy(dictionary, state->window + state->wnext, + state->whave - state->wnext); + zmemcpy(dictionary + state->whave - state->wnext, + state->window, state->wnext); + } + if (dictLength != Z_NULL) + *dictLength = state->whave; + return Z_OK; +} + int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) z_streamp strm; const Bytef *dictionary; @@ -1271,8 +1295,6 @@ uInt dictLength; { struct inflate_state FAR *state; unsigned long dictid; - unsigned char *next; - unsigned avail; int ret; /* check state */ @@ -1291,13 +1313,7 @@ uInt dictLength; /* copy dictionary to window using updatewindow(), which will amend the existing dictionary if appropriate */ - next = strm->next_out; - avail = strm->avail_out; - strm->next_out = (Bytef *)dictionary + dictLength; - strm->avail_out = 0; - ret = updatewindow(strm, dictLength); - strm->avail_out = avail; - strm->next_out = next; + ret = updatewindow(strm, dictionary + dictLength, dictLength); if (ret) { state->mode = MEM; return Z_MEM_ERROR; @@ -1337,7 +1353,7 @@ gz_headerp head; */ local unsigned syncsearch(have, buf, len) unsigned FAR *have; -unsigned char FAR *buf; +const unsigned char FAR *buf; unsigned len; { unsigned got; diff --git a/lib/zlib/inftrees.c b/lib/zlib/inftrees.c index abcd7c45e..44d89cf24 100644 --- a/lib/zlib/inftrees.c +++ b/lib/zlib/inftrees.c @@ -1,5 +1,5 @@ /* inftrees.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2012 Mark Adler + * Copyright (C) 1995-2013 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -9,7 +9,7 @@ #define MAXBITS 15 const char inflate_copyright[] = - " inflate 1.2.7 Copyright 1995-2012 Mark Adler "; + " inflate 1.2.8 Copyright 1995-2013 Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -62,7 +62,7 @@ unsigned short FAR *work; 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; static const unsigned short lext[31] = { /* Length codes 257..285 extra */ 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, - 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 78, 68}; + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78}; static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ 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, @@ -208,8 +208,8 @@ unsigned short FAR *work; mask = used - 1; /* mask for comparing low */ /* check available table space */ - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) return 1; /* process all codes and make table entries */ @@ -277,8 +277,8 @@ unsigned short FAR *work; /* check for enough space */ used += 1U << curr; - if ((type == LENS && used >= ENOUGH_LENS) || - (type == DISTS && used >= ENOUGH_DISTS)) + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) return 1; /* point entry in root table to sub-table */ diff --git a/lib/zlib/trees.c b/lib/zlib/trees.c index 8c32b214b..1fd7759ef 100644 --- a/lib/zlib/trees.c +++ b/lib/zlib/trees.c @@ -146,8 +146,8 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); local int build_bl_tree OF((deflate_state *s)); local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, int blcodes)); -local void compress_block OF((deflate_state *s, ct_data *ltree, - ct_data *dtree)); +local void compress_block OF((deflate_state *s, const ct_data *ltree, + const ct_data *dtree)); local int detect_data_type OF((deflate_state *s)); local unsigned bi_reverse OF((unsigned value, int length)); local void bi_windup OF((deflate_state *s)); @@ -972,7 +972,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { #endif send_bits(s, (STATIC_TREES<<1)+last, 3); - compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); + compress_block(s, (const ct_data *)static_ltree, + (const ct_data *)static_dtree); #ifdef DEBUG s->compressed_len += 3 + s->static_len; #endif @@ -980,7 +981,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) send_bits(s, (DYN_TREES<<1)+last, 3); send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, max_blindex+1); - compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); + compress_block(s, (const ct_data *)s->dyn_ltree, + (const ct_data *)s->dyn_dtree); #ifdef DEBUG s->compressed_len += 3 + s->opt_len; #endif @@ -1057,8 +1059,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) */ local void compress_block(s, ltree, dtree) deflate_state *s; - ct_data *ltree; /* literal tree */ - ct_data *dtree; /* distance tree */ + const ct_data *ltree; /* literal tree */ + const ct_data *dtree; /* distance tree */ { unsigned dist; /* distance of matched string */ int lc; /* match length or unmatched char (if dist == 0) */ diff --git a/lib/zlib/uncompr.c b/lib/zlib/uncompr.c index ad98be3a5..242e9493d 100644 --- a/lib/zlib/uncompr.c +++ b/lib/zlib/uncompr.c @@ -30,7 +30,7 @@ int ZEXPORT uncompress (dest, destLen, source, sourceLen) z_stream stream; int err; - stream.next_in = (Bytef*)source; + stream.next_in = (z_const Bytef *)source; stream.avail_in = (uInt)sourceLen; /* Check for source > 64K on 16-bit machine: */ if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; diff --git a/lib/zlib/zconf.h b/lib/zlib/zconf.h index 8a46a58b3..9987a7755 100644 --- a/lib/zlib/zconf.h +++ b/lib/zlib/zconf.h @@ -1,5 +1,5 @@ /* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2012 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -21,6 +21,7 @@ # define _dist_code z__dist_code # define _length_code z__length_code # define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits # define _tr_flush_block z__tr_flush_block # define _tr_init z__tr_init # define _tr_stored_block z__tr_stored_block @@ -77,6 +78,7 @@ # define gzopen_w z_gzopen_w # endif # define gzprintf z_gzprintf +# define gzvprintf z_gzvprintf # define gzputc z_gzputc # define gzputs z_gzputs # define gzread z_gzread @@ -103,6 +105,7 @@ # define inflateReset z_inflateReset # define inflateReset2 z_inflateReset2 # define inflateSetDictionary z_inflateSetDictionary +# define inflateGetDictionary z_inflateGetDictionary # define inflateSync z_inflateSync # define inflateSyncPoint z_inflateSyncPoint # define inflateUndermine z_inflateUndermine @@ -388,20 +391,14 @@ typedef uLong FAR uLongf; typedef Byte *voidp; #endif -/* ./configure may #define Z_U4 here */ - #if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) # include # if (UINT_MAX == 0xffffffffUL) # define Z_U4 unsigned -# else -# if (ULONG_MAX == 0xffffffffUL) -# define Z_U4 unsigned long -# else -# if (USHRT_MAX == 0xffffffffUL) -# define Z_U4 unsigned short -# endif -# endif +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short # endif #endif @@ -425,8 +422,16 @@ typedef uLong FAR uLongf; # endif #endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include /* for va_list */ +# endif +#endif + #ifdef _WIN32 -# include /* for wchar_t */ +# ifndef Z_SOLO +# include /* for wchar_t */ +# endif #endif /* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and @@ -435,7 +440,7 @@ typedef uLong FAR uLongf; * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as * equivalently requesting no 64-bit operations */ -#if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 # undef _LARGEFILE64_SOURCE #endif @@ -443,7 +448,7 @@ typedef uLong FAR uLongf; # define Z_HAVE_UNISTD_H #endif #ifndef Z_SOLO -# if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE) +# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE) # include /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ # ifdef VMS # include /* for off_t */ diff --git a/lib/zlib/zlib.h b/lib/zlib/zlib.h index 3edf3acdb..3e0c7672a 100644 --- a/lib/zlib/zlib.h +++ b/lib/zlib/zlib.h @@ -1,7 +1,7 @@ /* zlib.h -- interface of the 'zlib' general purpose compression library - version 1.2.7, May 2nd, 2012 + version 1.2.8, April 28th, 2013 - Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler + Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages @@ -37,11 +37,11 @@ extern "C" { #endif -#define ZLIB_VERSION "1.2.7" -#define ZLIB_VERNUM 0x1270 +#define ZLIB_VERSION "1.2.8" +#define ZLIB_VERNUM 0x1280 #define ZLIB_VER_MAJOR 1 #define ZLIB_VER_MINOR 2 -#define ZLIB_VER_REVISION 7 +#define ZLIB_VER_REVISION 8 #define ZLIB_VER_SUBREVISION 0 /* @@ -839,6 +839,21 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, inflate(). */ +ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm, + Bytef *dictionary, + uInt *dictLength)); +/* + Returns the sliding dictionary being maintained by inflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If inflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similary, if dictLength is Z_NULL, then it is not set. + + inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); /* Skips invalid compressed data until a possible full flush point (see above @@ -846,7 +861,7 @@ ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); available input is skipped. No output is provided. inflateSync searches for a 00 00 FF FF pattern in the compressed data. - All full flush points have this pattern, but not all occurences of this + All full flush points have this pattern, but not all occurrences of this pattern are full flush points. inflateSync returns Z_OK if a possible full flush point has been found, @@ -1007,7 +1022,8 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, the version of the header file. */ -typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); +typedef unsigned (*in_func) OF((void FAR *, + z_const unsigned char FAR * FAR *)); typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, @@ -1015,11 +1031,12 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, out_func out, void FAR *out_desc)); /* inflateBack() does a raw inflate with a single call using a call-back - interface for input and output. This is more efficient than inflate() for - file i/o applications in that it avoids copying between the output and the - sliding window by simply making the window itself the output buffer. This - function trusts the application to not change the output buffer passed by - the output function, at least until inflateBack() returns. + interface for input and output. This is potentially more efficient than + inflate() for file i/o applications, in that it avoids copying between the + output and the sliding window by simply making the window itself the output + buffer. inflate() can be faster on modern CPUs when used with large + buffers. inflateBack() trusts the application to not change the output + buffer passed by the output function, at least until inflateBack() returns. inflateBackInit() must be called first to allocate the internal state and to initialize the state with the user-provided window buffer. @@ -1736,6 +1753,13 @@ ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp)); ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path, const char *mode)); #endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +ZEXTERN int ZEXPORTVA gzvprintf Z_ARG((gzFile file, + const char *format, + va_list va)); +# endif +#endif #ifdef __cplusplus } diff --git a/lib/zlib/zutil.c b/lib/zlib/zutil.c index 65e0d3b72..23d2ebef0 100644 --- a/lib/zlib/zutil.c +++ b/lib/zlib/zutil.c @@ -14,7 +14,7 @@ struct internal_state {int dummy;}; /* for buggy compilers */ #endif -const char * const z_errmsg[10] = { +z_const char * const z_errmsg[10] = { "need dictionary", /* Z_NEED_DICT 2 */ "stream end", /* Z_STREAM_END 1 */ "", /* Z_OK 0 */ diff --git a/lib/zlib/zutil.h b/lib/zlib/zutil.h index 4e3dcc6ae..24ab06b1c 100644 --- a/lib/zlib/zutil.h +++ b/lib/zlib/zutil.h @@ -1,5 +1,5 @@ /* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2012 Jean-loup Gailly. + * Copyright (C) 1995-2013 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -44,13 +44,13 @@ typedef unsigned short ush; typedef ush FAR ushf; typedef unsigned long ulg; -extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ +extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ /* (size given to avoid silly warnings with Visual C++) */ #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] #define ERR_RETURN(strm,err) \ - return (strm->msg = (char*)ERR_MSG(err), (err)) + return (strm->msg = ERR_MSG(err), (err)) /* To be used only when the state is known to be valid */ /* common constants */ @@ -168,7 +168,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #endif /* provide prototypes for these when building zlib without LFS */ -#if !defined(_WIN32) && (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) +#if !defined(_WIN32) && \ + (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t)); ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); #endif -- cgit v1.2.3