pajoye Mon May 8 11:46:13 2006 UTC Modified files: /php-src/ext/gd/libgd gd_gif_in.c Log: - CS (spaces > tabs)
http://cvs.php.net/viewcvs.cgi/php-src/ext/gd/libgd/gd_gif_in.c?r1=1.8&r2=1.9&diff_format=u Index: php-src/ext/gd/libgd/gd_gif_in.c diff -u php-src/ext/gd/libgd/gd_gif_in.c:1.8 php-src/ext/gd/libgd/gd_gif_in.c:1.9 --- php-src/ext/gd/libgd/gd_gif_in.c:1.8 Sun May 7 17:21:11 2006 +++ php-src/ext/gd/libgd/gd_gif_in.c Mon May 8 11:46:13 2006 @@ -17,9 +17,9 @@ static int set_verbose(void) { - verbose = !!getenv("GIF_VERBOSE"); - verbose_set = 1; - return(verbose); + verbose = !!getenv("GIF_VERBOSE"); + verbose_set = 1; + return(verbose); } #else @@ -51,21 +51,21 @@ /* We may eventually want to use this information, but def it out for now */ #if 0 static struct { - unsigned int Width; - unsigned int Height; - unsigned char ColorMap[3][MAXCOLORMAPSIZE]; - unsigned int BitPixel; - unsigned int ColorResolution; - unsigned int Background; - unsigned int AspectRatio; + unsigned int Width; + unsigned int Height; + unsigned char ColorMap[3][MAXCOLORMAPSIZE]; + unsigned int BitPixel; + unsigned int ColorResolution; + unsigned int Background; + unsigned int AspectRatio; } GifScreen; #endif static struct { - int transparent; - int delayTime; - int inputFlag; - int disposal; + int transparent; + int delayTime; + int inputFlag; + int disposal; } Gif89 = { -1, -1, -1, 0 }; static int ReadColorMap (gdIOCtx *fd, int number, unsigned char (*buffer)[256]); @@ -80,222 +80,218 @@ gdImagePtr gdImageCreateFromGifSource(gdSourcePtr inSource) { - gdIOCtx *in = gdNewSSCtx(inSource, NULL); - gdImagePtr im; + gdIOCtx *in = gdNewSSCtx(inSource, NULL); + gdImagePtr im; - im = gdImageCreateFromGifCtx(in); + im = gdImageCreateFromGifCtx(in); - in->gd_free(in); + in->gd_free(in); - return im; + return im; } -gdImagePtr + gdImagePtr gdImageCreateFromGif(FILE *fdFile) { - gdIOCtx *fd = gdNewFileCtx(fdFile); - gdImagePtr im = 0; + gdIOCtx *fd = gdNewFileCtx(fdFile); + gdImagePtr im = 0; - im = gdImageCreateFromGifCtx(fd); + im = gdImageCreateFromGifCtx(fd); - fd->gd_free(fd); + fd->gd_free(fd); - return im; + return im; } -gdImagePtr -gdImageCreateFromGifCtx(gdIOCtxPtr fd) -{ -/* 1.4 int imageNumber; */ - int BitPixel; - int ColorResolution; - int Background; - int AspectRatio; - int Transparent = (-1); - unsigned char buf[16]; - unsigned char c; - unsigned char ColorMap[3][MAXCOLORMAPSIZE]; - unsigned char localColorMap[3][MAXCOLORMAPSIZE]; - int imw, imh; - int useGlobalColormap; - int bitPixel; - int i; - /*1.4//int imageCount = 0; */ - char version[4]; +gdImagePtr gdImageCreateFromGifCtx(gdIOCtxPtr fd) +{ + /* 1.4 int imageNumber; */ + int BitPixel; + int ColorResolution; + int Background; + int AspectRatio; + int Transparent = (-1); + unsigned char buf[16]; + unsigned char c; + unsigned char ColorMap[3][MAXCOLORMAPSIZE]; + unsigned char localColorMap[3][MAXCOLORMAPSIZE]; + int imw, imh; + int useGlobalColormap; + int bitPixel; + int i; + /*1.4//int imageCount = 0; */ + char version[4]; - gdImagePtr im = 0; - ZeroDataBlock = FALSE; + gdImagePtr im = 0; + ZeroDataBlock = FALSE; - /*1.4//imageNumber = 1; */ - if (! ReadOK(fd,buf,6)) { + /*1.4//imageNumber = 1; */ + if (! ReadOK(fd,buf,6)) { return 0; } - if (strncmp((char *)buf,"GIF",3) != 0) { + if (strncmp((char *)buf,"GIF",3) != 0) { return 0; } - strncpy(version, (char *)buf + 3, 3); - version[3] = '\0'; + strncpy(version, (char *)buf + 3, 3); + version[3] = '\0'; - if ((strcmp(version, "87a") != 0) && (strcmp(version, "89a") != 0)) { + if ((strcmp(version, "87a") != 0) && (strcmp(version, "89a") != 0)) { return 0; } - if (! ReadOK(fd,buf,7)) { + if (! ReadOK(fd,buf,7)) { return 0; } - BitPixel = 2<<(buf[4]&0x07); - ColorResolution = (int) (((buf[4]&0x70)>>3)+1); - Background = buf[5]; - AspectRatio = buf[6]; + BitPixel = 2<<(buf[4]&0x07); + ColorResolution = (int) (((buf[4]&0x70)>>3)+1); + Background = buf[5]; + AspectRatio = buf[6]; - if (BitSet(buf[4], LOCALCOLORMAP)) { /* Global Colormap */ - if (ReadColorMap(fd, BitPixel, ColorMap)) { + if (BitSet(buf[4], LOCALCOLORMAP)) { /* Global Colormap */ + if (ReadColorMap(fd, BitPixel, ColorMap)) { return 0; } - } - for (;;) { - if (! ReadOK(fd,&c,1)) { - return 0; - } - if (c == ';') { /* GIF terminator */ + } + for (;;) { + if (! ReadOK(fd,&c,1)) { + return 0; + } + if (c == ';') { /* GIF terminator */ goto terminated; - } + } + + if (c == '!') { /* Extension */ + if (! ReadOK(fd,&c,1)) { + return 0; + } + DoExtension(fd, c, &Transparent); + continue; + } + + if (c != ',') { /* Not a valid start character */ + continue; + } + + /*1.4//++imageCount; */ + + if (! ReadOK(fd,buf,9)) { + return 0; + } + + useGlobalColormap = ! BitSet(buf[8], LOCALCOLORMAP); + + bitPixel = 1<<((buf[8]&0x07)+1); + + imw = LM_to_uint(buf[4],buf[5]); + imh = LM_to_uint(buf[6],buf[7]); + + if (!useGlobalColormap) { + if (ReadColorMap(fd, bitPixel, localColorMap)) { + return 0; + } + } - if (c == '!') { /* Extension */ - if (! ReadOK(fd,&c,1)) { - return 0; - } - DoExtension(fd, c, &Transparent); - continue; - } - - if (c != ',') { /* Not a valid start character */ - continue; - } - - /*1.4//++imageCount; */ - - if (! ReadOK(fd,buf,9)) { - return 0; - } - - useGlobalColormap = ! BitSet(buf[8], LOCALCOLORMAP); - - bitPixel = 1<<((buf[8]&0x07)+1); - - imw = LM_to_uint(buf[4],buf[5]); - imh = LM_to_uint(buf[6],buf[7]); - - if (!useGlobalColormap) { - if (ReadColorMap(fd, bitPixel, localColorMap)) { - return 0; - } - } - - if (!(im = gdImageCreate(imw, imh))) { - return 0; - } - - im->interlace = BitSet(buf[8], INTERLACE); - if (! useGlobalColormap) { - ReadImage(im, fd, imw, imh, localColorMap, - BitSet(buf[8], INTERLACE)); - /*1.4//imageCount != imageNumber); */ - } else { - ReadImage(im, fd, imw, imh, - ColorMap, - BitSet(buf[8], INTERLACE)); - /*1.4//imageCount != imageNumber); */ - } - if (Transparent != (-1)) { - gdImageColorTransparent(im, Transparent); - } - goto terminated; - } + if (!(im = gdImageCreate(imw, imh))) { + return 0; + } + + im->interlace = BitSet(buf[8], INTERLACE); + if (! useGlobalColormap) { + ReadImage(im, fd, imw, imh, localColorMap, + BitSet(buf[8], INTERLACE)); + /*1.4//imageCount != imageNumber); */ + } else { + ReadImage(im, fd, imw, imh, + ColorMap, + BitSet(buf[8], INTERLACE)); + /*1.4//imageCount != imageNumber); */ + } + if (Transparent != (-1)) { + gdImageColorTransparent(im, Transparent); + } + goto terminated; + } terminated: - /* Terminator before any image was declared! */ - if (!im) { + /* Terminator before any image was declared! */ + if (!im) { return 0; - } - /* Check for open colors at the end, so - we can reduce colorsTotal and ultimately - BitsPerPixel */ - for (i=((im->colorsTotal-1)); (i>=0); i--) { + } + /* Check for open colors at the end, so + we can reduce colorsTotal and ultimately + BitsPerPixel */ + for (i=((im->colorsTotal-1)); (i>=0); i--) { if (im->open[i]) { - im->colorsTotal--; - } else { - break; - } - } - return im; + im->colorsTotal--; + } else { + break; + } + } + return im; } -static int -ReadColorMap(gdIOCtx *fd, int number, unsigned char (*buffer)[256]) +static int ReadColorMap(gdIOCtx *fd, int number, unsigned char (*buffer)[256]) { - int i; - unsigned char rgb[3]; + int i; + unsigned char rgb[3]; - for (i = 0; i < number; ++i) { - if (! ReadOK(fd, rgb, sizeof(rgb))) { - return TRUE; - } - buffer[CM_RED][i] = rgb[0] ; - buffer[CM_GREEN][i] = rgb[1] ; - buffer[CM_BLUE][i] = rgb[2] ; - } + for (i = 0; i < number; ++i) { + if (! ReadOK(fd, rgb, sizeof(rgb))) { + return TRUE; + } + buffer[CM_RED][i] = rgb[0] ; + buffer[CM_GREEN][i] = rgb[1] ; + buffer[CM_BLUE][i] = rgb[2] ; + } - return FALSE; + return FALSE; } -static int -DoExtension(gdIOCtx *fd, int label, int *Transparent) +static int DoExtension(gdIOCtx *fd, int label, int *Transparent) { - static unsigned char buf[256]; - - switch (label) { - case 0xf9: /* Graphic Control Extension */ - (void) GetDataBlock(fd, (unsigned char*) buf); - Gif89.disposal = (buf[0] >> 2) & 0x7; - Gif89.inputFlag = (buf[0] >> 1) & 0x1; - Gif89.delayTime = LM_to_uint(buf[1],buf[2]); - if ((buf[0] & 0x1) != 0) - *Transparent = buf[3]; + static unsigned char buf[256]; - while (GetDataBlock(fd, (unsigned char*) buf) > 0) - ; - return FALSE; - default: - break; - } - while (GetDataBlock(fd, (unsigned char*) buf) > 0) - ; + switch (label) { + case 0xf9: /* Graphic Control Extension */ + (void) GetDataBlock(fd, (unsigned char*) buf); + Gif89.disposal = (buf[0] >> 2) & 0x7; + Gif89.inputFlag = (buf[0] >> 1) & 0x1; + Gif89.delayTime = LM_to_uint(buf[1],buf[2]); + if ((buf[0] & 0x1) != 0) + *Transparent = buf[3]; + + while (GetDataBlock(fd, (unsigned char*) buf) > 0) + ; + return FALSE; + default: + break; + } + while (GetDataBlock(fd, (unsigned char*) buf) > 0) + ; - return FALSE; + return FALSE; } -static int + static int GetDataBlock_(gdIOCtx *fd, unsigned char *buf) { - unsigned char count; + unsigned char count; - if (! ReadOK(fd,&count,1)) { - return -1; - } + if (! ReadOK(fd,&count,1)) { + return -1; + } - ZeroDataBlock = count == 0; + ZeroDataBlock = count == 0; - if ((count != 0) && (! ReadOK(fd, buf, count))) { - return -1; - } + if ((count != 0) && (! ReadOK(fd, buf, count))) { + return -1; + } - return count; + return count; } -static int -GetDataBlock(gdIOCtx *fd, unsigned char *buf) +static int GetDataBlock(gdIOCtx *fd, unsigned char *buf) { int rv; int i; @@ -317,269 +313,265 @@ return(rv); } -static int -GetCode_(gdIOCtx *fd, int code_size, int flag) +static int GetCode_(gdIOCtx *fd, int code_size, int flag) { - static unsigned char buf[280]; - static int curbit, lastbit, done, last_byte; - int i, j, ret; - unsigned char count; - - if (flag) { - curbit = 0; - lastbit = 0; - done = FALSE; - return 0; - } - - if ( (curbit+code_size) >= lastbit) { - if (done) { - if (curbit >= lastbit) { - /* Oh well */ - } - return -1; - } - buf[0] = buf[last_byte-2]; - buf[1] = buf[last_byte-1]; - - if ((count = GetDataBlock(fd, &buf[2])) <= 0) - done = TRUE; - - last_byte = 2 + count; - curbit = (curbit - lastbit) + 16; - lastbit = (2+count)*8 ; - } - - ret = 0; - for (i = curbit, j = 0; j < code_size; ++i, ++j) - ret |= ((buf[ i / 8 ] & (1 << (i % 8))) != 0) << j; + static unsigned char buf[280]; + static int curbit, lastbit, done, last_byte; + int i, j, ret; + unsigned char count; + + if (flag) { + curbit = 0; + lastbit = 0; + done = FALSE; + return 0; + } + + if ( (curbit+code_size) >= lastbit) { + if (done) { + if (curbit >= lastbit) { + /* Oh well */ + } + return -1; + } + buf[0] = buf[last_byte-2]; + buf[1] = buf[last_byte-1]; + + if ((count = GetDataBlock(fd, &buf[2])) <= 0) + done = TRUE; - curbit += code_size; - return ret; + last_byte = 2 + count; + curbit = (curbit - lastbit) + 16; + lastbit = (2+count)*8 ; + } + + ret = 0; + for (i = curbit, j = 0; j < code_size; ++i, ++j) + ret |= ((buf[ i / 8 ] & (1 << (i % 8))) != 0) << j; + + curbit += code_size; + return ret; } -static int + static int GetCode(gdIOCtx *fd, int code_size, int flag) { - int rv; + int rv; - rv = GetCode_(fd,code_size,flag); - if (VERBOSE) php_gd_error_ex(E_NOTICE, "[GetCode(,%d,%d) returning %d]",code_size,flag,rv); - return(rv); + rv = GetCode_(fd,code_size,flag); + if (VERBOSE) php_gd_error_ex(E_NOTICE, "[GetCode(,%d,%d) returning %d]",code_size,flag,rv); + return(rv); } #define STACK_SIZE ((1<<(MAX_LWZ_BITS))*2) -static int -LWZReadByte_(gdIOCtx *fd, int flag, int input_code_size) +static int LWZReadByte_(gdIOCtx *fd, int flag, int input_code_size) { - static int fresh = FALSE; - int code, incode; - static int code_size, set_code_size; - static int max_code, max_code_size; - static int firstcode, oldcode; - static int clear_code, end_code; - static int table[2][(1<< MAX_LWZ_BITS)]; - static int stack[STACK_SIZE], *sp; - register int i; - - if (flag) { - set_code_size = input_code_size; - code_size = set_code_size+1; - clear_code = 1 << set_code_size ; - end_code = clear_code + 1; - max_code_size = 2*clear_code; - max_code = clear_code+2; - - GetCode(fd, 0, TRUE); - - fresh = TRUE; - - for (i = 0; i < clear_code; ++i) { - table[0][i] = 0; - table[1][i] = i; - } - for (; i < (1<<MAX_LWZ_BITS); ++i) - table[0][i] = table[1][0] = 0; - - sp = stack; - - return 0; - } else if (fresh) { - fresh = FALSE; - do { - firstcode = oldcode = - GetCode(fd, code_size, FALSE); - } while (firstcode == clear_code); - return firstcode; - } - - if (sp > stack) - return *--sp; - - while ((code = GetCode(fd, code_size, FALSE)) >= 0) { - if (code == clear_code) { - for (i = 0; i < clear_code; ++i) { - table[0][i] = 0; - table[1][i] = i; - } - for (; i < (1<<MAX_LWZ_BITS); ++i) - table[0][i] = table[1][i] = 0; - code_size = set_code_size+1; - max_code_size = 2*clear_code; - max_code = clear_code+2; - sp = stack; - firstcode = oldcode = - GetCode(fd, code_size, FALSE); - return firstcode; - } else if (code == end_code) { - int count; - unsigned char buf[260]; - - if (ZeroDataBlock) - return -2; - - while ((count = GetDataBlock(fd, buf)) > 0) - ; - - if (count != 0) - return -2; - } - - incode = code; - - if (sp == (stack + STACK_SIZE)) { - /* Bad compressed data stream */ - return -1; - } - - if (code >= max_code) { - *sp++ = firstcode; - code = oldcode; - } - - while (code >= clear_code) { - if (sp == (stack + STACK_SIZE)) { - /* Bad compressed data stream */ - return -1; - } - *sp++ = table[1][code]; - if (code == table[0][code]) { - /* Oh well */ - } - code = table[0][code]; - } - - *sp++ = firstcode = table[1][code]; - - if ((code = max_code) <(1<<MAX_LWZ_BITS)) { - table[0][code] = oldcode; - table[1][code] = firstcode; - ++max_code; - if ((max_code >= max_code_size) && - (max_code_size < (1<<MAX_LWZ_BITS))) { - max_code_size *= 2; - ++code_size; - } - } - - oldcode = incode; - - if (sp > stack) - return *--sp; - } - return code; -} - -static int -LWZReadByte(gdIOCtx *fd, int flag, int input_code_size) -{ - int rv; - - rv = LWZReadByte_(fd,flag,input_code_size); - if (VERBOSE) php_gd_error_ex(E_NOTICE, "[LWZReadByte(,%d,%d) returning %d]",flag,input_code_size,rv); - return(rv); -} - -static void -ReadImage(gdImagePtr im, gdIOCtx *fd, int len, int height, unsigned char (*cmap)[256], int interlace) /*1.4//, int ignore) */ -{ - unsigned char c; - int v; - int xpos = 0, ypos = 0, pass = 0; - int i; - /* Stash the color map into the image */ - for (i=0; (i<gdMaxColors); i++) { - im->red[i] = cmap[CM_RED][i]; - im->green[i] = cmap[CM_GREEN][i]; - im->blue[i] = cmap[CM_BLUE][i]; - im->open[i] = 1; - } - /* Many (perhaps most) of these colors will remain marked open. */ - im->colorsTotal = gdMaxColors; - /* - ** Initialize the Compression routines - */ - if (! ReadOK(fd,&c,1)) { - return; - } - if (LWZReadByte(fd, TRUE, c) < 0) { - return; - } - - /* - ** If this is an "uninteresting picture" ignore it. - ** REMOVED For 1.4 - */ - /*if (ignore) { */ - /* while (LWZReadByte(fd, FALSE, c) >= 0) */ - /* ; */ - /* return; */ - /*} */ - - while ((v = LWZReadByte(fd,FALSE,c)) >= 0 ) { - /* This how we recognize which colors are actually used. */ - if (im->open[v]) { - im->open[v] = 0; - } - gdImageSetPixel(im, xpos, ypos, v); - ++xpos; - if (xpos == len) { - xpos = 0; - if (interlace) { - switch (pass) { - case 0: - case 1: - ypos += 8; break; - case 2: - ypos += 4; break; - case 3: - ypos += 2; break; - } - - if (ypos >= height) { - ++pass; - switch (pass) { - case 1: - ypos = 4; break; - case 2: - ypos = 2; break; - case 3: - ypos = 1; break; - default: - goto fini; - } - } - } else { - ++ypos; - } - } - if (ypos >= height) - break; - } + static int fresh = FALSE; + int code, incode; + static int code_size, set_code_size; + static int max_code, max_code_size; + static int firstcode, oldcode; + static int clear_code, end_code; + static int table[2][(1<< MAX_LWZ_BITS)]; + static int stack[STACK_SIZE], *sp; + register int i; + + if (flag) { + set_code_size = input_code_size; + code_size = set_code_size+1; + clear_code = 1 << set_code_size ; + end_code = clear_code + 1; + max_code_size = 2*clear_code; + max_code = clear_code+2; + + GetCode(fd, 0, TRUE); + + fresh = TRUE; + + for (i = 0; i < clear_code; ++i) { + table[0][i] = 0; + table[1][i] = i; + } + for (; i < (1<<MAX_LWZ_BITS); ++i) + table[0][i] = table[1][0] = 0; + + sp = stack; + + return 0; + } else if (fresh) { + fresh = FALSE; + do { + firstcode = oldcode = + GetCode(fd, code_size, FALSE); + } while (firstcode == clear_code); + return firstcode; + } + + if (sp > stack) + return *--sp; + + while ((code = GetCode(fd, code_size, FALSE)) >= 0) { + if (code == clear_code) { + for (i = 0; i < clear_code; ++i) { + table[0][i] = 0; + table[1][i] = i; + } + for (; i < (1<<MAX_LWZ_BITS); ++i) + table[0][i] = table[1][i] = 0; + code_size = set_code_size+1; + max_code_size = 2*clear_code; + max_code = clear_code+2; + sp = stack; + firstcode = oldcode = + GetCode(fd, code_size, FALSE); + return firstcode; + } else if (code == end_code) { + int count; + unsigned char buf[260]; + + if (ZeroDataBlock) + return -2; + + while ((count = GetDataBlock(fd, buf)) > 0) + ; + + if (count != 0) + return -2; + } + + incode = code; + + if (sp == (stack + STACK_SIZE)) { + /* Bad compressed data stream */ + return -1; + } + + if (code >= max_code) { + *sp++ = firstcode; + code = oldcode; + } + + while (code >= clear_code) { + if (sp == (stack + STACK_SIZE)) { + /* Bad compressed data stream */ + return -1; + } + *sp++ = table[1][code]; + if (code == table[0][code]) { + /* Oh well */ + } + code = table[0][code]; + } + + *sp++ = firstcode = table[1][code]; + + if ((code = max_code) <(1<<MAX_LWZ_BITS)) { + table[0][code] = oldcode; + table[1][code] = firstcode; + ++max_code; + if ((max_code >= max_code_size) && + (max_code_size < (1<<MAX_LWZ_BITS))) { + max_code_size *= 2; + ++code_size; + } + } + + oldcode = incode; + + if (sp > stack) + return *--sp; + } + return code; +} + +static int LWZReadByte(gdIOCtx *fd, int flag, int input_code_size) +{ + int rv; + + rv = LWZReadByte_(fd,flag,input_code_size); + if (VERBOSE) php_gd_error_ex(E_NOTICE, "[LWZReadByte(,%d,%d) returning %d]",flag,input_code_size,rv); + return(rv); +} + +static void ReadImage(gdImagePtr im, gdIOCtx *fd, int len, int height, unsigned char (*cmap)[256], int interlace) /*1.4//, int ignore) */ +{ + unsigned char c; + int v; + int xpos = 0, ypos = 0, pass = 0; + int i; + /* Stash the color map into the image */ + for (i=0; (i<gdMaxColors); i++) { + im->red[i] = cmap[CM_RED][i]; + im->green[i] = cmap[CM_GREEN][i]; + im->blue[i] = cmap[CM_BLUE][i]; + im->open[i] = 1; + } + /* Many (perhaps most) of these colors will remain marked open. */ + im->colorsTotal = gdMaxColors; + /* + ** Initialize the Compression routines + */ + if (! ReadOK(fd,&c,1)) { + return; + } + if (LWZReadByte(fd, TRUE, c) < 0) { + return; + } + + /* + ** If this is an "uninteresting picture" ignore it. + ** REMOVED For 1.4 + */ + /*if (ignore) { */ + /* while (LWZReadByte(fd, FALSE, c) >= 0) */ + /* ; */ + /* return; */ + /*} */ + + while ((v = LWZReadByte(fd,FALSE,c)) >= 0 ) { + /* This how we recognize which colors are actually used. */ + if (im->open[v]) { + im->open[v] = 0; + } + gdImageSetPixel(im, xpos, ypos, v); + ++xpos; + if (xpos == len) { + xpos = 0; + if (interlace) { + switch (pass) { + case 0: + case 1: + ypos += 8; break; + case 2: + ypos += 4; break; + case 3: + ypos += 2; break; + } + + if (ypos >= height) { + ++pass; + switch (pass) { + case 1: + ypos = 4; break; + case 2: + ypos = 2; break; + case 3: + ypos = 1; break; + default: + goto fini; + } + } + } else { + ++ypos; + } + } + if (ypos >= height) + break; + } fini: - if (LWZReadByte(fd,FALSE,c)>=0) { - /* Ignore extra */ - } + if (LWZReadByte(fd,FALSE,c)>=0) { + /* Ignore extra */ + } }
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