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authorPeter Breitenlohner <peb@mppmu.mpg.de>2014-08-15 09:15:51 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2014-08-15 09:15:51 +0000
commit9f42eaa529b6a4177d7a4c40fdadc3ad1b903195 (patch)
treee95abd1c61892c238d000a467b6b26552928ae03 /Build/source/texk/dvipdfm-x/pdfobj.c
parentc14c604128e34cf45011949b08849167c8eec0df (diff)
texk/dvipdfm-x: Avoid compiler warnings and use of possibly uninitialized variable
git-svn-id: svn://tug.org/texlive/trunk@34940 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipdfm-x/pdfobj.c')
-rw-r--r--Build/source/texk/dvipdfm-x/pdfobj.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/Build/source/texk/dvipdfm-x/pdfobj.c b/Build/source/texk/dvipdfm-x/pdfobj.c
index 8f44bd5cd5d..6078a3ce4dc 100644
--- a/Build/source/texk/dvipdfm-x/pdfobj.c
+++ b/Build/source/texk/dvipdfm-x/pdfobj.c
@@ -1864,10 +1864,10 @@ get_decode_parms (struct decode_parms *parms, pdf_obj *dict)
*/
#define PREDICTOR_TIFF2_MAX_COLORS 32
static int
-filter_row_TIFF2 (unsigned char *dst, unsigned char *src,
+filter_row_TIFF2 (unsigned char *dst, const unsigned char *src,
struct decode_parms *parms)
{
- unsigned char *p = src;
+ const unsigned char *p = src;
unsigned char col[PREDICTOR_TIFF2_MAX_COLORS];
/* bits_per_component < 8 here */
long mask = (1 << parms->bits_per_component) - 1;
@@ -1919,8 +1919,8 @@ static int
filter_decoded (pdf_obj *dst, const void *src, long srclen,
struct decode_parms *parms)
{
- unsigned char *p = (unsigned char *) src;
- unsigned char *endptr = p + srclen;
+ const unsigned char *p = (const unsigned char *) src;
+ const unsigned char *endptr = p + srclen;
unsigned char *prev, *buf;
int bits_per_pixel = parms->colors * parms->bits_per_component;
int bytes_per_pixel = (bits_per_pixel + 7) / 8;
@@ -2109,7 +2109,7 @@ pdf_concat_stream (pdf_obj *dst, pdf_obj *src)
long stream_length;
pdf_obj *stream_dict;
pdf_obj *filter;
- int error = 0, have_flate = 0;
+ int error = 0;
if (!PDF_OBJ_STREAMTYPE(dst) || !PDF_OBJ_STREAMTYPE(src))
ERROR("Invalid type.");
@@ -2119,19 +2119,17 @@ pdf_concat_stream (pdf_obj *dst, pdf_obj *src)
stream_dict = pdf_stream_dict (src);
filter = pdf_lookup_dict(stream_dict, "Filter");
- if (!filter) {
+ if (!filter)
pdf_add_stream(dst, stream_data, stream_length);
- return 0;
#if HAVE_ZLIB
- } else {
- char *filter_name;
+ else {
struct decode_parms parms;
int have_parms = 0;
if (pdf_lookup_dict(stream_dict, "DecodeParms")) {
pdf_obj *tmp;
- /* Dictionaly or array */
+ /* Dictionary or array */
tmp = pdf_deref_obj(pdf_lookup_dict(stream_dict, "DecodeParms"));
if (PDF_OBJ_ARRAYTYPE(tmp)) {
if (pdf_array_length(tmp) > 1) {
@@ -2149,8 +2147,15 @@ pdf_concat_stream (pdf_obj *dst, pdf_obj *src)
ERROR("Invalid value(s) in DecodeParms dictionary.");
have_parms = 1;
}
+ if (PDF_OBJ_ARRAYTYPE(filter)) {
+ if (pdf_array_length(filter) > 1) {
+ WARN("Multiple DecodeFilter not supported.");
+ return -1;
+ }
+ filter = pdf_get_array(filter, 0);
+ }
if (PDF_OBJ_NAMETYPE(filter)) {
- filter_name = pdf_name_value(filter);
+ char *filter_name = pdf_name_value(filter);
if (filter_name && !strcmp(filter_name, "FlateDecode")) {
if (have_parms)
error = pdf_add_stream_flate_filtered(dst, stream_data, stream_length, &parms);
@@ -2160,25 +2165,6 @@ pdf_concat_stream (pdf_obj *dst, pdf_obj *src)
WARN("DecodeFilter \"%s\" not supported.", filter_name);
error = -1;
}
- } else if (PDF_OBJ_ARRAYTYPE(filter)) {
- pdf_obj *tmp;
- if (pdf_array_length(filter) > 1) {
- WARN("Multiple DecodeFilter not supported.");
- error = -1;
- } else {
- tmp = pdf_get_array(filter, 0);
- if (PDF_OBJ_NAMETYPE(tmp) &&
- (filter_name = pdf_name_value(tmp)) &&
- !strcmp(filter_name, "FlateDecode")) {
- if (have_parms)
- error = pdf_add_stream_flate_filtered(dst, stream_data, stream_length, &parms);
- else
- error = pdf_add_stream_flate(dst, stream_data, stream_length);
- } else {
- WARN("DecodeFilter \"%s\" not supported.", filter_name);
- error = -1;
- }
- }
} else
ERROR("Broken PDF file?");
#endif /* HAVE_ZLIB */