diff options
Diffstat (limited to '3rdparty/libjpeg/jdmarker.c')
-rw-r--r-- | 3rdparty/libjpeg/jdmarker.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/3rdparty/libjpeg/jdmarker.c b/3rdparty/libjpeg/jdmarker.c index 3fbe5c16578..c10fde60534 100644 --- a/3rdparty/libjpeg/jdmarker.c +++ b/3rdparty/libjpeg/jdmarker.c @@ -2,7 +2,7 @@ * jdmarker.c * * Copyright (C) 1991-1998, Thomas G. Lane. - * Modified 2009-2013 by Guido Vollbeding. + * Modified 2009-2019 by Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -496,8 +496,6 @@ get_dht (j_decompress_ptr cinfo) if (count > 256 || ((INT32) count) > length) ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - MEMZERO(huffval, SIZEOF(huffval)); /* pre-zero array for later copy */ - for (i = 0; i < count; i++) INPUT_BYTE(cinfo, huffval[i], return FALSE); @@ -517,7 +515,8 @@ get_dht (j_decompress_ptr cinfo) *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); MEMCOPY((*htblptr)->bits, bits, SIZEOF((*htblptr)->bits)); - MEMCOPY((*htblptr)->huffval, huffval, SIZEOF((*htblptr)->huffval)); + if (count > 0) + MEMCOPY((*htblptr)->huffval, huffval, count * SIZEOF(UINT8)); } if (length != 0) @@ -577,14 +576,14 @@ get_dqt (j_decompress_ptr cinfo) count = DCTSIZE2; } - switch (count) { + switch ((int) count) { case (2*2): natural_order = jpeg_natural_order2; break; case (3*3): natural_order = jpeg_natural_order3; break; case (4*4): natural_order = jpeg_natural_order4; break; case (5*5): natural_order = jpeg_natural_order5; break; case (6*6): natural_order = jpeg_natural_order6; break; case (7*7): natural_order = jpeg_natural_order7; break; - default: natural_order = jpeg_natural_order; break; + default: natural_order = jpeg_natural_order; } for (i = 0; i < count; i++) { @@ -784,7 +783,6 @@ examine_app0 (j_decompress_ptr cinfo, JOCTET FAR * data, default: TRACEMS2(cinfo, 1, JTRC_JFIF_EXTENSION, GETJOCTET(data[5]), (int) totallen); - break; } } else { /* Start of APP0 does not match "JFIF" or "JFXX", or too short */ @@ -858,7 +856,6 @@ get_interesting_appn (j_decompress_ptr cinfo) default: /* can't get here unless jpeg_save_markers chooses wrong processor */ ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, cinfo->unread_marker); - break; } /* skip any remaining data -- could be lots */ @@ -964,7 +961,6 @@ save_marker (j_decompress_ptr cinfo) default: TRACEMS2(cinfo, 1, JTRC_MISC_MARKER, cinfo->unread_marker, (int) (data_length + length)); - break; } /* skip any remaining data -- could be lots */ @@ -1240,7 +1236,6 @@ read_markers (j_decompress_ptr cinfo) * ought to change! */ ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, cinfo->unread_marker); - break; } /* Successfully processed marker, so reset state variable */ cinfo->unread_marker = 0; @@ -1416,9 +1411,8 @@ jinit_marker_reader (j_decompress_ptr cinfo) int i; /* Create subobject in permanent pool */ - marker = (my_marker_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - SIZEOF(my_marker_reader)); + marker = (my_marker_ptr) (*cinfo->mem->alloc_small) + ((j_common_ptr) cinfo, JPOOL_PERMANENT, SIZEOF(my_marker_reader)); cinfo->marker = &marker->pub; /* Initialize public method pointers */ marker->pub.reset_marker_reader = reset_marker_reader; |