Fix internal/cgen/auxiliary/image.cc C++ warnings
diff --git a/internal/cgen/auxiliary/image.cc b/internal/cgen/auxiliary/image.cc
index 72da629..558ccfa 100644
--- a/internal/cgen/auxiliary/image.cc
+++ b/internal/cgen/auxiliary/image.cc
@@ -34,7 +34,7 @@
DecodeImageResult::DecodeImageResult(std::string&& error_message0)
: pixbuf_mem_owner(nullptr, &free),
pixbuf_mem_slice(wuffs_base__empty_slice_u8()),
- pixbuf({0}),
+ pixbuf(wuffs_base__null_pixel_buffer()),
error_message(std::move(error_message0)) {}
DecodeImageCallbacks::AllocResult::AllocResult(MemOwner&& mem_owner0,
@@ -136,7 +136,7 @@
}
std::string error_message = input.CopyIn(&io_buf);
if (!error_message.empty()) {
- return std::move(error_message);
+ return error_message;
}
}
return "";
diff --git a/internal/cgen/data/data.go b/internal/cgen/data/data.go
index 9aac6b6..f37ee66 100644
--- a/internal/cgen/data/data.go
+++ b/internal/cgen/data/data.go
@@ -734,21 +734,21 @@
""
const AuxImageCc = "" +
- "// ---------------- Auxiliary - Image\n\n#if !defined(WUFFS_CONFIG__MODULES) || defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n\n#include <utility>\n\nnamespace wuffs_aux {\n\nDecodeImageResult::DecodeImageResult(MemOwner&& pixbuf_mem_owner0,\n wuffs_base__slice_u8 pixbuf_mem_slice0,\n wuffs_base__pixel_buffer pixbuf0,\n std::string&& error_message0)\n : pixbuf_mem_owner(std::move(pixbuf_mem_owner0)),\n pixbuf_mem_slice(pixbuf_mem_slice0),\n pixbuf(pixbuf0),\n error_message(std::move(error_message0)) {}\n\nDecodeImageResult::DecodeImageResult(std::string&& error_message0)\n : pixbuf_mem_owner(nullptr, &free),\n pixbuf_mem_slice(wuffs_base__empty_slice_u8()),\n pixbuf({0}),\n error_message(std::move(error_message0)) {}\n\nDecodeImageCallbacks::AllocResult::AllocResult(MemOwner&& mem_owner0,\n wuffs_base__slice_u8 mem_slice0)\n : mem_owner(std::move(" +
- "mem_owner0)),\n mem_slice(mem_slice0),\n error_message(\"\") {}\n\nDecodeImageCallbacks::AllocResult::AllocResult(std::string&& error_message0)\n : mem_owner(nullptr, &free),\n mem_slice(wuffs_base__empty_slice_u8()),\n error_message(std::move(error_message0)) {}\n\nDecodeImageCallbacks::AllocResult //\nDecodeImageCallbacks::OnImageConfig(\n const wuffs_base__image_config& image_config) {\n uint32_t w = image_config.pixcfg.width();\n uint32_t h = image_config.pixcfg.height();\n if ((w == 0) || (h == 0)) {\n return AllocResult(\"\");\n }\n uint64_t len = image_config.pixcfg.pixbuf_len();\n if ((len == 0) || (SIZE_MAX < len)) {\n return AllocResult(DecodeImage_UnsupportedPixelConfiguration);\n }\n void* ptr = calloc((size_t)len, 1);\n if (!ptr) {\n return AllocResult(DecodeImage_OutOfMemory);\n }\n return AllocResult(MemOwner(ptr, &free),\n wuffs_base__make_slice_u8((uint8_t*)ptr, (size_t)len));\n}\n\nDecodeImageCallbacks::AllocResult //\nDecodeImageCallbacks::AllocWorkbuf(wuff" +
- "s_base__range_ii_u64 len) {\n if (len.max_incl == 0) {\n return DecodeImageCallbacks::AllocResult(\"\");\n } else if (SIZE_MAX < len.max_incl) {\n return DecodeImageCallbacks::AllocResult(DecodeImage_OutOfMemory);\n }\n void* p = calloc((size_t)len.max_incl, 1);\n if (!p) {\n return DecodeImageCallbacks::AllocResult(DecodeImage_OutOfMemory);\n }\n return DecodeImageCallbacks::AllocResult(\n MemOwner(p, &free),\n wuffs_base__make_slice_u8((uint8_t*)p, (size_t)len.max_incl));\n}\n\nvoid //\nDecodeImageCallbacks::Done(\n DecodeImageResult& result,\n sync_io::Input& input,\n IOBuffer& buffer,\n wuffs_base__image_decoder::unique_ptr image_decoder) {}\n\nconst char DecodeImage_BufferIsTooShort[] = //\n \"wuffs_aux::DecodeImage: buffer is too short\";\nconst char DecodeImage_MaxInclDimensionExceeded[] = //\n \"wuffs_aux::DecodeImage: max_incl_dimension exceeded\";\nconst char DecodeImage_OutOfMemory[] = //\n \"wuffs_aux::DecodeImage: out of memory\";\nconst char DecodeImage_UnexpectedEndOfFile[] = //" +
- "\n \"wuffs_aux::DecodeImage: unexpected end of file\";\nconst char DecodeImage_UnsupportedImageFormat[] = //\n \"wuffs_aux::DecodeImage: unsupported image format\";\nconst char DecodeImage_UnsupportedPixelBlend[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel blend\";\nconst char DecodeImage_UnsupportedPixelConfiguration[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel configuration\";\nconst char DecodeImage_UnsupportedPixelFormat[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel format\";\n\n" +
+ "// ---------------- Auxiliary - Image\n\n#if !defined(WUFFS_CONFIG__MODULES) || defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n\n#include <utility>\n\nnamespace wuffs_aux {\n\nDecodeImageResult::DecodeImageResult(MemOwner&& pixbuf_mem_owner0,\n wuffs_base__slice_u8 pixbuf_mem_slice0,\n wuffs_base__pixel_buffer pixbuf0,\n std::string&& error_message0)\n : pixbuf_mem_owner(std::move(pixbuf_mem_owner0)),\n pixbuf_mem_slice(pixbuf_mem_slice0),\n pixbuf(pixbuf0),\n error_message(std::move(error_message0)) {}\n\nDecodeImageResult::DecodeImageResult(std::string&& error_message0)\n : pixbuf_mem_owner(nullptr, &free),\n pixbuf_mem_slice(wuffs_base__empty_slice_u8()),\n pixbuf(wuffs_base__null_pixel_buffer()),\n error_message(std::move(error_message0)) {}\n\nDecodeImageCallbacks::AllocResult::AllocResult(MemOwner&& mem_owner0,\n wuffs_base__slice_u8 mem_slice0" +
+ ")\n : mem_owner(std::move(mem_owner0)),\n mem_slice(mem_slice0),\n error_message(\"\") {}\n\nDecodeImageCallbacks::AllocResult::AllocResult(std::string&& error_message0)\n : mem_owner(nullptr, &free),\n mem_slice(wuffs_base__empty_slice_u8()),\n error_message(std::move(error_message0)) {}\n\nDecodeImageCallbacks::AllocResult //\nDecodeImageCallbacks::OnImageConfig(\n const wuffs_base__image_config& image_config) {\n uint32_t w = image_config.pixcfg.width();\n uint32_t h = image_config.pixcfg.height();\n if ((w == 0) || (h == 0)) {\n return AllocResult(\"\");\n }\n uint64_t len = image_config.pixcfg.pixbuf_len();\n if ((len == 0) || (SIZE_MAX < len)) {\n return AllocResult(DecodeImage_UnsupportedPixelConfiguration);\n }\n void* ptr = calloc((size_t)len, 1);\n if (!ptr) {\n return AllocResult(DecodeImage_OutOfMemory);\n }\n return AllocResult(MemOwner(ptr, &free),\n wuffs_base__make_slice_u8((uint8_t*)ptr, (size_t)len));\n}\n\nDecodeImageCallbacks::AllocResult //\nDecodeImage" +
+ "Callbacks::AllocWorkbuf(wuffs_base__range_ii_u64 len) {\n if (len.max_incl == 0) {\n return DecodeImageCallbacks::AllocResult(\"\");\n } else if (SIZE_MAX < len.max_incl) {\n return DecodeImageCallbacks::AllocResult(DecodeImage_OutOfMemory);\n }\n void* p = calloc((size_t)len.max_incl, 1);\n if (!p) {\n return DecodeImageCallbacks::AllocResult(DecodeImage_OutOfMemory);\n }\n return DecodeImageCallbacks::AllocResult(\n MemOwner(p, &free),\n wuffs_base__make_slice_u8((uint8_t*)p, (size_t)len.max_incl));\n}\n\nvoid //\nDecodeImageCallbacks::Done(\n DecodeImageResult& result,\n sync_io::Input& input,\n IOBuffer& buffer,\n wuffs_base__image_decoder::unique_ptr image_decoder) {}\n\nconst char DecodeImage_BufferIsTooShort[] = //\n \"wuffs_aux::DecodeImage: buffer is too short\";\nconst char DecodeImage_MaxInclDimensionExceeded[] = //\n \"wuffs_aux::DecodeImage: max_incl_dimension exceeded\";\nconst char DecodeImage_OutOfMemory[] = //\n \"wuffs_aux::DecodeImage: out of memory\";\nconst char DecodeImage" +
+ "_UnexpectedEndOfFile[] = //\n \"wuffs_aux::DecodeImage: unexpected end of file\";\nconst char DecodeImage_UnsupportedImageFormat[] = //\n \"wuffs_aux::DecodeImage: unsupported image format\";\nconst char DecodeImage_UnsupportedPixelBlend[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel blend\";\nconst char DecodeImage_UnsupportedPixelConfiguration[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel configuration\";\nconst char DecodeImage_UnsupportedPixelFormat[] = //\n \"wuffs_aux::DecodeImage: unsupported pixel format\";\n\n" +
"" +
- "// --------\n\nnamespace {\n\nstd::string //\nDecodeImageAdvanceIOBuf(sync_io::Input& input,\n wuffs_base__io_buffer& io_buf,\n bool compactable,\n uint64_t min_excl_pos,\n uint64_t pos) {\n if ((pos <= min_excl_pos) || (pos < io_buf.reader_position())) {\n // Redirects must go forward.\n return DecodeImage_UnsupportedImageFormat;\n }\n while (true) {\n uint64_t relative_pos = pos - io_buf.reader_position();\n if (relative_pos <= io_buf.reader_length()) {\n io_buf.meta.ri += (size_t)relative_pos;\n break;\n } else if (io_buf.meta.closed) {\n return DecodeImage_UnexpectedEndOfFile;\n }\n io_buf.meta.ri = io_buf.meta.wi;\n if (compactable) {\n io_buf.compact();\n }\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return std::move(error_message);\n }\n }\n return \"\";\n}\n\nDecodeImageResult //\nDecodeImage0(wuffs_base__image_decoder::unique_ptr& image_" +
- "decoder,\n DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__io_buffer& io_buf,\n uint32_t override_pixel_format_repr,\n wuffs_base__pixel_blend pixel_blend,\n uint32_t max_incl_dimension) {\n // Check args.\n switch (override_pixel_format_repr) {\n case 0:\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n switch (pixel_blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelBlend);\n }\n\n wuffs_base__image_config image_config = wuffs_base__null_image_config();\n uint64_t start_pos = io_buf.reader_position();\n bool redirected = false;\n int32_t fourcc = 0;\nredirect:\n do {" +
- "\n // Determine the image format.\n if (!redirected) {\n while (true) {\n fourcc = wuffs_base__magic_number_guess_fourcc(io_buf.reader_slice());\n if (fourcc > 0) {\n break;\n } else if ((fourcc == 0) && (io_buf.reader_length() >= 64)) {\n break;\n } else if (io_buf.meta.closed || (io_buf.writer_length() == 0)) {\n fourcc = 0;\n break;\n }\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n } else {\n wuffs_base__io_buffer empty = wuffs_base__empty_io_buffer();\n wuffs_base__more_information minfo = wuffs_base__empty_more_information();\n wuffs_base__status tmm_status =\n image_decoder->tell_me_more(&empty, &minfo, &io_buf);\n if (!tmm_status.is_ok()) {\n return DecodeImageResult(tmm_status.message());\n }\n if (minfo.flavor != WUFFS_BASE__MORE_INFORMATION__FLAVOR__IO_REDIRECT" +
- ") {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n uint64_t pos = minfo.io_redirect__range().min_incl;\n std::string error_message = DecodeImageAdvanceIOBuf(\n input, io_buf, !input.BringsItsOwnIOBuffer(), start_pos, pos);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n fourcc = (int32_t)(minfo.io_redirect__fourcc());\n if (fourcc == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n image_decoder.reset();\n }\n\n // Make the image decoder.\n image_decoder = callbacks.OnImageFormat(\n (uint32_t)fourcc,\n fourcc ? wuffs_base__empty_slice_u8() : io_buf.reader_slice());\n if (!image_decoder) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n\n // Decode the image config.\n while (true) {\n wuffs_base__status id_dic_status =\n image_decoder->decode_image_config(&image_config, &io_buf);\n if (id_dic_" +
- "status.repr == NULL) {\n break;\n } else if (id_dic_status.repr == wuffs_base__note__i_o_redirect) {\n if (redirected) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n redirected = true;\n goto redirect;\n } else if (id_dic_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dic_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n } while (false);\n\n // Apply the override pixel format.\n uint32_t w = image_config.pixcfg.width();\n uint32_t h = image_config.pixcfg.height();\n if ((w > max_incl_dimension) || (h > max_incl_dimension)) {\n return DecodeImageResult(DecodeImage_MaxInclDimensionExceeded);\n }\n if (override_pixel_format_repr !" +
- "= 0) {\n image_config.pixcfg.set(override_pixel_format_repr,\n WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, w, h);\n }\n\n // Allocate the pixel buffer.\n uint64_t pixbuf_len_min_incl = 0;\n if ((w > 0) && (h > 0)) {\n pixbuf_len_min_incl = image_config.pixcfg.pixbuf_len();\n if (pixbuf_len_min_incl == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n }\n DecodeImageCallbacks::AllocResult oic_result =\n callbacks.OnImageConfig(image_config);\n if (!oic_result.error_message.empty()) {\n return DecodeImageResult(std::move(oic_result.error_message));\n } else if (oic_result.mem_slice.len < pixbuf_len_min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n wuffs_base__pixel_buffer pixel_buffer;\n wuffs_base__status pb_sfs_status =\n pixel_buffer.set_from_slice(&image_config.pixcfg, oic_result.mem_slice);\n if (!pb_sfs_status.is_ok()) {\n return DecodeImageResult(pb_sfs_status.message());\n }\n\n // Allocate the work buffer.\n w" +
- "uffs_base__range_ii_u64 workbuf_len = image_decoder->workbuf_len();\n DecodeImageCallbacks::AllocResult alloc_workbuf_result =\n callbacks.AllocWorkbuf(workbuf_len);\n if (!alloc_workbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_workbuf_result.error_message));\n } else if (alloc_workbuf_result.mem_slice.len < workbuf_len.min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n\n // Decode the frame config.\n wuffs_base__frame_config frame_config = wuffs_base__null_frame_config();\n while (true) {\n wuffs_base__status id_dfc_status =\n image_decoder->decode_frame_config(&frame_config, &io_buf);\n if (id_dfc_status.repr == NULL) {\n break;\n } else if (id_dfc_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dfc_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n " +
- " if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n\n // Decode the frame (the pixels).\n //\n // From here on, always returns the pixel_buffer. If we get this far, we can\n // still display a partial image, even if we encounter an error.\n std::string message(\"\");\n if ((pixel_blend == WUFFS_BASE__PIXEL_BLEND__SRC_OVER) &&\n frame_config.overwrite_instead_of_blend()) {\n pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC;\n }\n while (true) {\n wuffs_base__status id_df_status =\n image_decoder->decode_frame(&pixel_buffer, &io_buf, pixel_blend,\n alloc_workbuf_result.mem_slice, NULL);\n if (id_df_status.repr == NULL) {\n break;\n } else if (id_df_status.repr != wuffs_base__suspension__short_read) {\n message = id_df_status.message();\n break;\n } else if (io_buf.meta.closed) {\n message = DecodeImage_UnexpectedEndOfFile;\n break;\n } else {\n std::string error_message = input.C" +
- "opyIn(&io_buf);\n if (!error_message.empty()) {\n message = std::move(error_message);\n break;\n }\n }\n }\n return DecodeImageResult(std::move(oic_result.mem_owner),\n oic_result.mem_slice, pixel_buffer,\n std::move(message));\n}\n\n} // namespace\n\nDecodeImageResult //\nDecodeImage(DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n uint32_t override_pixel_format_repr,\n wuffs_base__pixel_blend pixel_blend,\n uint32_t max_incl_dimension) {\n wuffs_base__io_buffer* io_buf = input.BringsItsOwnIOBuffer();\n wuffs_base__io_buffer fallback_io_buf = wuffs_base__empty_io_buffer();\n std::unique_ptr<uint8_t[]> fallback_io_array(nullptr);\n if (!io_buf) {\n fallback_io_array = std::unique_ptr<uint8_t[]>(new uint8_t[32768]);\n fallback_io_buf =\n wuffs_base__ptr_u8__writer(fallback_io_array.get(), 32768);\n io_buf = &fallback_io_buf;\n }\n\n wuffs_base__image_decoder::unique_ptr image_decode" +
- "r(nullptr, &free);\n DecodeImageResult result =\n DecodeImage0(image_decoder, callbacks, input, *io_buf,\n override_pixel_format_repr, pixel_blend, max_incl_dimension);\n callbacks.Done(result, input, *io_buf, std::move(image_decoder));\n return result;\n}\n\n} // namespace wuffs_aux\n\n#endif // !defined(WUFFS_CONFIG__MODULES) ||\n // defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n" +
+ "// --------\n\nnamespace {\n\nstd::string //\nDecodeImageAdvanceIOBuf(sync_io::Input& input,\n wuffs_base__io_buffer& io_buf,\n bool compactable,\n uint64_t min_excl_pos,\n uint64_t pos) {\n if ((pos <= min_excl_pos) || (pos < io_buf.reader_position())) {\n // Redirects must go forward.\n return DecodeImage_UnsupportedImageFormat;\n }\n while (true) {\n uint64_t relative_pos = pos - io_buf.reader_position();\n if (relative_pos <= io_buf.reader_length()) {\n io_buf.meta.ri += (size_t)relative_pos;\n break;\n } else if (io_buf.meta.closed) {\n return DecodeImage_UnexpectedEndOfFile;\n }\n io_buf.meta.ri = io_buf.meta.wi;\n if (compactable) {\n io_buf.compact();\n }\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return error_message;\n }\n }\n return \"\";\n}\n\nDecodeImageResult //\nDecodeImage0(wuffs_base__image_decoder::unique_ptr& image_decoder,\n " +
+ " DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n wuffs_base__io_buffer& io_buf,\n uint32_t override_pixel_format_repr,\n wuffs_base__pixel_blend pixel_blend,\n uint32_t max_incl_dimension) {\n // Check args.\n switch (override_pixel_format_repr) {\n case 0:\n case WUFFS_BASE__PIXEL_FORMAT__BGR_565:\n case WUFFS_BASE__PIXEL_FORMAT__BGR:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL:\n case WUFFS_BASE__PIXEL_FORMAT__BGRA_PREMUL:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n switch (pixel_blend) {\n case WUFFS_BASE__PIXEL_BLEND__SRC:\n case WUFFS_BASE__PIXEL_BLEND__SRC_OVER:\n break;\n default:\n return DecodeImageResult(DecodeImage_UnsupportedPixelBlend);\n }\n\n wuffs_base__image_config image_config = wuffs_base__null_image_config();\n uint64_t start_pos = io_buf.reader_position();\n bool redirected = false;\n int32_t fourcc = 0;\nredirect:\n do {\n // Det" +
+ "ermine the image format.\n if (!redirected) {\n while (true) {\n fourcc = wuffs_base__magic_number_guess_fourcc(io_buf.reader_slice());\n if (fourcc > 0) {\n break;\n } else if ((fourcc == 0) && (io_buf.reader_length() >= 64)) {\n break;\n } else if (io_buf.meta.closed || (io_buf.writer_length() == 0)) {\n fourcc = 0;\n break;\n }\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n } else {\n wuffs_base__io_buffer empty = wuffs_base__empty_io_buffer();\n wuffs_base__more_information minfo = wuffs_base__empty_more_information();\n wuffs_base__status tmm_status =\n image_decoder->tell_me_more(&empty, &minfo, &io_buf);\n if (!tmm_status.is_ok()) {\n return DecodeImageResult(tmm_status.message());\n }\n if (minfo.flavor != WUFFS_BASE__MORE_INFORMATION__FLAVOR__IO_REDIRECT) {\n " +
+ " return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n uint64_t pos = minfo.io_redirect__range().min_incl;\n std::string error_message = DecodeImageAdvanceIOBuf(\n input, io_buf, !input.BringsItsOwnIOBuffer(), start_pos, pos);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n fourcc = (int32_t)(minfo.io_redirect__fourcc());\n if (fourcc == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n image_decoder.reset();\n }\n\n // Make the image decoder.\n image_decoder = callbacks.OnImageFormat(\n (uint32_t)fourcc,\n fourcc ? wuffs_base__empty_slice_u8() : io_buf.reader_slice());\n if (!image_decoder) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n\n // Decode the image config.\n while (true) {\n wuffs_base__status id_dic_status =\n image_decoder->decode_image_config(&image_config, &io_buf);\n if (id_dic_status.repr" +
+ " == NULL) {\n break;\n } else if (id_dic_status.repr == wuffs_base__note__i_o_redirect) {\n if (redirected) {\n return DecodeImageResult(DecodeImage_UnsupportedImageFormat);\n }\n redirected = true;\n goto redirect;\n } else if (id_dic_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dic_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!error_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n } while (false);\n\n // Apply the override pixel format.\n uint32_t w = image_config.pixcfg.width();\n uint32_t h = image_config.pixcfg.height();\n if ((w > max_incl_dimension) || (h > max_incl_dimension)) {\n return DecodeImageResult(DecodeImage_MaxInclDimensionExceeded);\n }\n if (override_pixel_format_repr != 0) {\n " +
+ "image_config.pixcfg.set(override_pixel_format_repr,\n WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, w, h);\n }\n\n // Allocate the pixel buffer.\n uint64_t pixbuf_len_min_incl = 0;\n if ((w > 0) && (h > 0)) {\n pixbuf_len_min_incl = image_config.pixcfg.pixbuf_len();\n if (pixbuf_len_min_incl == 0) {\n return DecodeImageResult(DecodeImage_UnsupportedPixelFormat);\n }\n }\n DecodeImageCallbacks::AllocResult oic_result =\n callbacks.OnImageConfig(image_config);\n if (!oic_result.error_message.empty()) {\n return DecodeImageResult(std::move(oic_result.error_message));\n } else if (oic_result.mem_slice.len < pixbuf_len_min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n wuffs_base__pixel_buffer pixel_buffer;\n wuffs_base__status pb_sfs_status =\n pixel_buffer.set_from_slice(&image_config.pixcfg, oic_result.mem_slice);\n if (!pb_sfs_status.is_ok()) {\n return DecodeImageResult(pb_sfs_status.message());\n }\n\n // Allocate the work buffer.\n wuffs_base__" +
+ "range_ii_u64 workbuf_len = image_decoder->workbuf_len();\n DecodeImageCallbacks::AllocResult alloc_workbuf_result =\n callbacks.AllocWorkbuf(workbuf_len);\n if (!alloc_workbuf_result.error_message.empty()) {\n return DecodeImageResult(std::move(alloc_workbuf_result.error_message));\n } else if (alloc_workbuf_result.mem_slice.len < workbuf_len.min_incl) {\n return DecodeImageResult(DecodeImage_BufferIsTooShort);\n }\n\n // Decode the frame config.\n wuffs_base__frame_config frame_config = wuffs_base__null_frame_config();\n while (true) {\n wuffs_base__status id_dfc_status =\n image_decoder->decode_frame_config(&frame_config, &io_buf);\n if (id_dfc_status.repr == NULL) {\n break;\n } else if (id_dfc_status.repr != wuffs_base__suspension__short_read) {\n return DecodeImageResult(id_dfc_status.message());\n } else if (io_buf.meta.closed) {\n return DecodeImageResult(DecodeImage_UnexpectedEndOfFile);\n } else {\n std::string error_message = input.CopyIn(&io_buf);\n if (!e" +
+ "rror_message.empty()) {\n return DecodeImageResult(std::move(error_message));\n }\n }\n }\n\n // Decode the frame (the pixels).\n //\n // From here on, always returns the pixel_buffer. If we get this far, we can\n // still display a partial image, even if we encounter an error.\n std::string message(\"\");\n if ((pixel_blend == WUFFS_BASE__PIXEL_BLEND__SRC_OVER) &&\n frame_config.overwrite_instead_of_blend()) {\n pixel_blend = WUFFS_BASE__PIXEL_BLEND__SRC;\n }\n while (true) {\n wuffs_base__status id_df_status =\n image_decoder->decode_frame(&pixel_buffer, &io_buf, pixel_blend,\n alloc_workbuf_result.mem_slice, NULL);\n if (id_df_status.repr == NULL) {\n break;\n } else if (id_df_status.repr != wuffs_base__suspension__short_read) {\n message = id_df_status.message();\n break;\n } else if (io_buf.meta.closed) {\n message = DecodeImage_UnexpectedEndOfFile;\n break;\n } else {\n std::string error_message = input.CopyIn(&io_b" +
+ "uf);\n if (!error_message.empty()) {\n message = std::move(error_message);\n break;\n }\n }\n }\n return DecodeImageResult(std::move(oic_result.mem_owner),\n oic_result.mem_slice, pixel_buffer,\n std::move(message));\n}\n\n} // namespace\n\nDecodeImageResult //\nDecodeImage(DecodeImageCallbacks& callbacks,\n sync_io::Input& input,\n uint32_t override_pixel_format_repr,\n wuffs_base__pixel_blend pixel_blend,\n uint32_t max_incl_dimension) {\n wuffs_base__io_buffer* io_buf = input.BringsItsOwnIOBuffer();\n wuffs_base__io_buffer fallback_io_buf = wuffs_base__empty_io_buffer();\n std::unique_ptr<uint8_t[]> fallback_io_array(nullptr);\n if (!io_buf) {\n fallback_io_array = std::unique_ptr<uint8_t[]>(new uint8_t[32768]);\n fallback_io_buf =\n wuffs_base__ptr_u8__writer(fallback_io_array.get(), 32768);\n io_buf = &fallback_io_buf;\n }\n\n wuffs_base__image_decoder::unique_ptr image_decoder(nullptr, " +
+ "&free);\n DecodeImageResult result =\n DecodeImage0(image_decoder, callbacks, input, *io_buf,\n override_pixel_format_repr, pixel_blend, max_incl_dimension);\n callbacks.Done(result, input, *io_buf, std::move(image_decoder));\n return result;\n}\n\n} // namespace wuffs_aux\n\n#endif // !defined(WUFFS_CONFIG__MODULES) ||\n // defined(WUFFS_CONFIG__MODULE__AUX__IMAGE)\n" +
""
const AuxImageHh = "" +
diff --git a/release/c/wuffs-unsupported-snapshot.c b/release/c/wuffs-unsupported-snapshot.c
index dadba2b..d3358dd 100644
--- a/release/c/wuffs-unsupported-snapshot.c
+++ b/release/c/wuffs-unsupported-snapshot.c
@@ -36695,7 +36695,7 @@
DecodeImageResult::DecodeImageResult(std::string&& error_message0)
: pixbuf_mem_owner(nullptr, &free),
pixbuf_mem_slice(wuffs_base__empty_slice_u8()),
- pixbuf({0}),
+ pixbuf(wuffs_base__null_pixel_buffer()),
error_message(std::move(error_message0)) {}
DecodeImageCallbacks::AllocResult::AllocResult(MemOwner&& mem_owner0,
@@ -36797,7 +36797,7 @@
}
std::string error_message = input.CopyIn(&io_buf);
if (!error_message.empty()) {
- return std::move(error_message);
+ return error_message;
}
}
return "";
