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[ibpng16] Added application error reporting and added chunk names to read

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benign errors; also added --strict to pngstest - not enabled
yet because a warning is produced.
This commit is contained in:
John Bowler
2012-03-18 22:37:25 -05:00
committed by Glenn Randers-Pehrson
parent 66efa24241
commit 2bc76ffaf1
8 changed files with 100 additions and 18 deletions
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11
pngread.c
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@@ -59,6 +59,13 @@ png_create_read_struct_2,(png_const_charp user_png_ver, png_voidp error_ptr,
# ifdef PNG_BENIGN_READ_ERRORS_SUPPORTED
png_ptr->flags |= PNG_FLAG_BENIGN_ERRORS_WARN;
/* In stable builds only warn if an application error can be completely
* handled.
*/
# if PNG_LIBPNG_BUILD_BASE_TYPE == PNG_LIBPNG_BUILD_STABLE
png_ptr->flags |= PNG_FLAG_APP_WARNINGS_WARN;
# endif
# endif
/* TODO: delay this, it can be done in png_init_io (if the app doesn't
@@ -264,7 +271,7 @@ png_read_update_info(png_structrp png_ptr, png_inforp info_ptr)
/* New in 1.6.0 this avoids the bug of doing the initializations twice */
else
png_error(png_ptr,
png_app_error(png_ptr,
"png_read_update_info/png_start_read_image: duplicate call");
}
}
@@ -287,7 +294,7 @@ png_start_read_image(png_structrp png_ptr)
/* New in 1.6.0 this avoids the bug of doing the initializations twice */
else
png_error(png_ptr,
png_app_error(png_ptr,
"png_start_read_image/png_read_update_info: duplicate call");
}
}