diff options
Diffstat (limited to 'source/fitz/load-tiff.c')
| -rw-r--r-- | source/fitz/load-tiff.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/source/fitz/load-tiff.c b/source/fitz/load-tiff.c index 56140e89..25ee5ef6 100644 --- a/source/fitz/load-tiff.c +++ b/source/fitz/load-tiff.c @@ -15,7 +15,7 @@ struct tiff { /* "file" */ - unsigned char *bp, *rp, *ep; + const unsigned char *bp, *rp, *ep; /* byte order */ unsigned order; @@ -62,7 +62,7 @@ struct tiff unsigned ycbcrsubsamp[2]; - unsigned char *jpegtables; /* point into "file" buffer */ + const unsigned char *jpegtables; /* point into "file" buffer */ unsigned jpegtableslen; unsigned char *profile; @@ -288,7 +288,7 @@ tiff_expand_colormap(fz_context *ctx, struct tiff *tiff) } static unsigned -tiff_decode_data(fz_context *ctx, struct tiff *tiff, unsigned char *rp, unsigned int rlen, unsigned char *wp, unsigned int wlen) +tiff_decode_data(fz_context *ctx, struct tiff *tiff, const unsigned char *rp, unsigned int rlen, unsigned char *wp, unsigned int wlen) { fz_stream *encstm = NULL; fz_stream *stm = NULL; @@ -596,7 +596,7 @@ tiff_decode_tiles(fz_context *ctx, struct tiff *tiff) { unsigned int offset = tiff->tileoffsets[tile]; unsigned int rlen = tiff->tilebytecounts[tile]; - unsigned char *rp = tiff->bp + offset; + const unsigned char *rp = tiff->bp + offset; unsigned decoded; if (offset > (unsigned)(tiff->ep - tiff->bp)) @@ -622,7 +622,7 @@ tiff_decode_tiles(fz_context *ctx, struct tiff *tiff) { unsigned int offset = tiff->tileoffsets[tile]; unsigned int rlen = tiff->tilebytecounts[tile]; - unsigned char *rp = tiff->bp + offset; + const unsigned char *rp = tiff->bp + offset; if (offset > (unsigned)(tiff->ep - tiff->bp)) fz_throw(ctx, FZ_ERROR_GENERIC, "invalid tile offset %u", offset); @@ -673,7 +673,7 @@ tiff_decode_strips(fz_context *ctx, struct tiff *tiff) { unsigned offset = tiff->stripoffsets[strip]; unsigned rlen = tiff->stripbytecounts[strip]; - unsigned char *rp = tiff->bp + offset; + const unsigned char *rp = tiff->bp + offset; int decoded; if (offset > (unsigned)(tiff->ep - tiff->bp)) @@ -694,7 +694,7 @@ tiff_decode_strips(fz_context *ctx, struct tiff *tiff) unsigned offset = tiff->stripoffsets[strip]; unsigned rlen = tiff->stripbytecounts[strip]; unsigned wlen = tiff->stride * tiff->rowsperstrip; - unsigned char *rp = tiff->bp + offset; + const unsigned char *rp = tiff->bp + offset; if (offset > (unsigned)(tiff->ep - tiff->bp)) fz_throw(ctx, FZ_ERROR_GENERIC, "invalid strip offset %u", offset); @@ -963,7 +963,7 @@ tiff_scale_lab_samples(fz_context *ctx, unsigned char *buf, int bps, int n) } static void -tiff_read_header(fz_context *ctx, struct tiff *tiff, unsigned char *buf, size_t len) +tiff_read_header(fz_context *ctx, struct tiff *tiff, const unsigned char *buf, size_t len) { unsigned version; @@ -1295,7 +1295,7 @@ tiff_decode_samples(fz_context *ctx, struct tiff *tiff) } fz_pixmap * -fz_load_tiff_subimage(fz_context *ctx, unsigned char *buf, size_t len, int subimage) +fz_load_tiff_subimage(fz_context *ctx, const unsigned char *buf, size_t len, int subimage) { fz_pixmap *image = NULL; struct tiff tiff = { 0 }; @@ -1348,13 +1348,13 @@ fz_load_tiff_subimage(fz_context *ctx, unsigned char *buf, size_t len, int subim } fz_pixmap * -fz_load_tiff(fz_context *ctx, unsigned char *buf, size_t len) +fz_load_tiff(fz_context *ctx, const unsigned char *buf, size_t len) { return fz_load_tiff_subimage(ctx, buf, len, 0); } void -fz_load_tiff_info_subimage(fz_context *ctx, unsigned char *buf, size_t len, int *wp, int *hp, int *xresp, int *yresp, fz_colorspace **cspacep, int subimage) +fz_load_tiff_info_subimage(fz_context *ctx, const unsigned char *buf, size_t len, int *wp, int *hp, int *xresp, int *yresp, fz_colorspace **cspacep, int subimage) { struct tiff tiff = { 0 }; @@ -1391,13 +1391,13 @@ fz_load_tiff_info_subimage(fz_context *ctx, unsigned char *buf, size_t len, int } void -fz_load_tiff_info(fz_context *ctx, unsigned char *buf, size_t len, int *wp, int *hp, int *xresp, int *yresp, fz_colorspace **cspacep) +fz_load_tiff_info(fz_context *ctx, const unsigned char *buf, size_t len, int *wp, int *hp, int *xresp, int *yresp, fz_colorspace **cspacep) { fz_load_tiff_info_subimage(ctx, buf, len, wp, hp, xresp, yresp, cspacep, 0); } int -fz_load_tiff_subimage_count(fz_context *ctx, unsigned char *buf, size_t len) +fz_load_tiff_subimage_count(fz_context *ctx, const unsigned char *buf, size_t len) { unsigned offset; unsigned subimage_count = 0; |