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authorPeter Breitenlohner <peb@mppmu.mpg.de>2012-01-12 10:47:37 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2012-01-12 10:47:37 +0000
commit0f4dc54ddda68c23e7114e8ad3c27d282cfc8dd7 (patch)
treecbb5b8b855d1740be4fea2860565d7229c3fae31 /Build/source/texk/web2c/pdftexdir/writejbig2.c
parent6d35a9ff57bb9c1fb1897369dcd67503465d169e (diff)
pdfTeX, luaTeX: Consistent support for large JBIG2 files
git-svn-id: svn://tug.org/texlive/trunk@25082 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/pdftexdir/writejbig2.c')
-rw-r--r--Build/source/texk/web2c/pdftexdir/writejbig2.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/Build/source/texk/web2c/pdftexdir/writejbig2.c b/Build/source/texk/web2c/pdftexdir/writejbig2.c
index eeea9d7ea04..a0a2d0ddf82 100644
--- a/Build/source/texk/web2c/pdftexdir/writejbig2.c
+++ b/Build/source/texk/web2c/pdftexdir/writejbig2.c
@@ -134,10 +134,10 @@ typedef struct _SEGINFO {
unsigned int segnumwidth; /* set by readseghdr() */
long segpage; /* set by readseghdr() */
unsigned long segdatalen; /* set by readseghdr() */
- unsigned long hdrstart; /* set by readseghdr() */
- unsigned long hdrend; /* set by readseghdr() */
- unsigned long datastart;
- unsigned long dataend;
+ off_t hdrstart; /* set by readseghdr() */
+ off_t hdrend; /* set by readseghdr() */
+ off_t datastart;
+ off_t dataend;
boolean endofstripeflag; /* set by checkseghdrflags() */
boolean endofpageflag; /* set by checkseghdrflags() */
boolean pageinfoflag; /* set by checkseghdrflags() */
@@ -159,13 +159,13 @@ typedef struct _PAGEINFO {
typedef struct _FILEINFO {
FILE *file;
char *filename;
- long filesize;
+ off_t filesize;
LIST pages; /* not including page0 */
LIST page0;
unsigned int filehdrflags; /* set by readfilehdr() */
boolean sequentialaccess; /* set by readfilehdr() */
unsigned long numofpages; /* set by readfilehdr() */
- unsigned long streamstart; /* set by get_jbig2_info() */
+ off_t streamstart; /* set by get_jbig2_info() */
unsigned long pdfpage0objnum;
PHASE phase;
} FILEINFO;
@@ -364,7 +364,8 @@ static unsigned long getstreamlen(LITEM * slip, boolean refer)
for (; slip != NULL; slip = slip->next) {
sip = slip->d;
if (refer || sip->isrefered)
- len += sip->hdrend - sip->hdrstart + sip->dataend - sip->datastart;
+ len += (unsigned long) (sip->hdrend - sip->hdrstart)
+ + (unsigned long) (sip->dataend - sip->datastart);
}
return len;
}
@@ -377,7 +378,7 @@ static void readfilehdr(FILEINFO * fip)
/* Annex D.4 File header syntax */
/* Annex D.4.1 ID string */
unsigned char jbig2_id[] = { 0x97, 'J', 'B', '2', 0x0d, 0x0a, 0x1a, 0x0a };
- xfseek(fip->file, 0, SEEK_SET, fip->filename);
+ xfseeko(fip->file, 0, SEEK_SET, fip->filename);
for (i = 0; i < 8; i++)
if (ygetc(fip->file) != jbig2_id[i])
pdftex_fail
@@ -386,9 +387,9 @@ static void readfilehdr(FILEINFO * fip)
fip->filehdrflags = ygetc(fip->file);
fip->sequentialaccess = (fip->filehdrflags & 0x01) ? true : false;
if (fip->sequentialaccess) { /* Annex D.1 vs. Annex D.2 */
- xfseek(fip->file, 0, SEEK_END, fip->filename);
- fip->filesize = (long) xftello(fip->file, fip->filename);
- xfseek(fip->file, 9, SEEK_SET, fip->filename);
+ xfseeko(fip->file, 0, SEEK_END, fip->filename);
+ fip->filesize = xftello(fip->file, fip->filename);
+ xfseeko(fip->file, 9, SEEK_SET, fip->filename);
}
/* Annex D.4.3 Number of pages */
if (!(fip->filehdrflags >> 1) & 0x01) /* known number of pages */
@@ -402,7 +403,7 @@ static void readfilehdr(FILEINFO * fip)
static boolean readseghdr(FILEINFO * fip, SEGINFO * sip)
{
unsigned int i;
- sip->hdrstart = xftell(fip->file, fip->filename);
+ sip->hdrstart = xftello(fip->file, fip->filename);
if (fip->sequentialaccess && sip->hdrstart == fip->filesize)
return false; /* no endoffileflag is ok for sequentialaccess */
/* 7.2.2 Segment number */
@@ -420,7 +421,7 @@ static boolean readseghdr(FILEINFO * fip, SEGINFO * sip)
sip->fieldlen = 1;
else {
sip->fieldlen = 5 + sip->countofrefered / 8;
- xfseek(fip->file, sip->fieldlen - 1, SEEK_CUR, fip->filename);
+ xfseeko(fip->file, (off_t) sip->fieldlen - 1, SEEK_CUR, fip->filename);
}
/* 7.2.5 Referred-to segment numbers */
if (sip->segnum <= 256)
@@ -449,7 +450,7 @@ static boolean readseghdr(FILEINFO * fip, SEGINFO * sip)
sip->segpage = ygetc(fip->file);
/* 7.2.7 Segment data length */
sip->segdatalen = read4bytes(fip->file);
- sip->hdrend = (long) xftello(fip->file, fip->filename);
+ sip->hdrend = xftello(fip->file, fip->filename);
/* ---- at end of segment header ---- */
return true;
}
@@ -515,7 +516,7 @@ static void checkseghdr(FILEINFO * fip, SEGINFO * sip)
/* 7.2.2 Segment number */
/* 7.2.3 Segment header flags */
/* 7.2.4 Referred-to segment count and retention flags */
- xfseek(fip->file, 5 + sip->fieldlen, SEEK_CUR, fip->filename);
+ xfseeko(fip->file, (off_t) sip->fieldlen + 5, SEEK_CUR, fip->filename);
/* 7.2.5 Referred-to segment numbers */
for (i = 0; i < sip->countofrefered; i++) {
switch (sip->segnumwidth) {
@@ -537,9 +538,9 @@ static void checkseghdr(FILEINFO * fip, SEGINFO * sip)
/* 7.2.6 Segment page association */
/* 7.2.7 Segment data length */
if (sip->pageassocsizeflag)
- xfseek(fip->file, 8, SEEK_CUR, fip->filename);
+ xfseeko(fip->file, 8, SEEK_CUR, fip->filename);
else
- xfseek(fip->file, 5, SEEK_CUR, fip->filename);
+ xfseeko(fip->file, 5, SEEK_CUR, fip->filename);
/* ---- at end of segment header ---- */
}
@@ -608,7 +609,7 @@ static void markpage0seg(FILEINFO * fip, unsigned long referedseg)
/**********************************************************************/
-static unsigned long findstreamstart(FILEINFO * fip)
+static off_t findstreamstart(FILEINFO * fip)
{
SEGINFO tmp;
assert(!fip->sequentialaccess); /* D.2 Random-access organisation */
@@ -624,8 +625,8 @@ static unsigned long findstreamstart(FILEINFO * fip)
static void rd_jbig2_info(FILEINFO * fip)
{
- unsigned long seekdist = 0; /* for sequential-access only */
- unsigned long streampos = 0; /* for random-access only */
+ off_t seekdist = 0; /* for sequential-access only */
+ off_t streampos = 0; /* for random-access only */
unsigned long currentpage = 0;
boolean sipavail = false;
PAGEINFO *pip;
@@ -669,8 +670,8 @@ static void rd_jbig2_info(FILEINFO * fip)
sip->dataend = sip->datastart + sip->segdatalen;
if (!fip->sequentialaccess
&& (sip->pageinfoflag || sip->endofstripeflag))
- xfseeko(fip->file, (off_t) sip->datastart, SEEK_SET, fip->filename);
- seekdist = sip->segdatalen;
+ xfseeko(fip->file, sip->datastart, SEEK_SET, fip->filename);
+ seekdist = (off_t) sip->segdatalen;
/* 7.4.8 Page information segment syntax */
if (sip->pageinfoflag) {
pip->pagenum = sip->segpage;
@@ -689,11 +690,11 @@ static void rd_jbig2_info(FILEINFO * fip)
}
if (!fip->sequentialaccess
&& (sip->pageinfoflag || sip->endofstripeflag))
- xfseeko(fip->file, (off_t) sip->hdrend, SEEK_SET, fip->filename);
+ xfseeko(fip->file, sip->hdrend, SEEK_SET, fip->filename);
if (!fip->sequentialaccess)
streampos += sip->segdatalen;
if (fip->sequentialaccess)
- xfseeko(fip->file, (off_t) seekdist, SEEK_CUR, fip->filename);
+ xfseeko(fip->file, seekdist, SEEK_CUR, fip->filename);
if (sip->endofpageflag && currentpage && (pip->stripinginfo >> 15))
pip->height = pip->stripedheight;
}
@@ -710,7 +711,7 @@ static void wr_jbig2(FILEINFO * fip, unsigned long page)
LITEM *slip;
PAGEINFO *pip;
SEGINFO *sip;
- unsigned long i;
+ off_t i;
if (page > 0) {
pip = find_pageinfo(&(fip->pages), page);
assert(pip != NULL);
@@ -742,10 +743,10 @@ static void wr_jbig2(FILEINFO * fip, unsigned long page)
for (slip = pip->segments.first; slip != NULL; slip = slip->next) { /* loop over page segments */
sip = slip->d;
if (sip->isrefered || page > 0) {
- xfseeko(fip->file, (off_t) sip->hdrstart, SEEK_SET, fip->filename);
+ xfseeko(fip->file, sip->hdrstart, SEEK_SET, fip->filename);
/* mark refered-to page 0 segments, change segpages > 1 to 1 */
writeseghdr(fip, sip);
- xfseeko(fip->file, (off_t) sip->datastart, SEEK_SET, fip->filename);
+ xfseeko(fip->file, sip->datastart, SEEK_SET, fip->filename);
for (i = sip->datastart; i < sip->dataend; i++)
pdfout(ygetc(fip->file));
}