Fix for opening issues with archive files.

src/libslic3r/CMakeLists.txt

@@ -163,6 +163,8 @@ add_library(libslic3r STATIC
     MTUtils.hpp
     Zipper.hpp
     Zipper.cpp
+    miniz_extension.hpp
+    miniz_extension.cpp
     SLA/SLABoilerPlate.hpp
     SLA/SLABasePool.hpp
     SLA/SLABasePool.cpp

src/libslic3r/Format/3mf.cpp

@@ -17,7 +17,7 @@
 
 #include <expat.h>
 #include <Eigen/Dense>
-#include <miniz.h>
+#include "miniz_extension.hpp"
 
 // VERSION NUMBERS
 // 0 : .3mf, files saved by older slic3r or other applications. No version definition in them.
@@ -188,24 +188,6 @@ bool is_valid_object_type(const std::string& type)
 
 namespace Slic3r {
 
-namespace {
-void close_archive_reader(mz_zip_archive *arch) {
-    if (arch) {
-        FILE *f = mz_zip_get_cfile(arch);
-        mz_zip_reader_end(arch);
-        if (f) fclose(f);
-    }
-}
-
-void close_archive_writer(mz_zip_archive *arch) {
-    if (arch) {
-        FILE *f = mz_zip_get_cfile(arch);
-        mz_zip_writer_end(arch);
-        if (f) fclose(f);
-    }
-}
-}
-
     // Base class with error messages management
     class _3MF_Base
     {
@@ -522,10 +504,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         mz_zip_archive archive;
         mz_zip_zero_struct(&archive);
 
-        FILE *f = boost::nowide::fopen(filename.c_str(), "rb");
+        if (!open_zip_reader(&archive, filename)) {
-        auto res = mz_bool(f != nullptr && mz_zip_reader_init_cfile(&archive, f, -1, 0));
-        if (res == 0)
-        {
             add_error("Unable to open the file");
             return false;
         }
@@ -549,7 +528,7 @@ void close_archive_writer(mz_zip_archive *arch) {
                     // valid model name -> extract model
                     if (!_extract_model_from_archive(archive, stat))
                     {
-                        close_archive_reader(&archive);
+                        close_zip_reader(&archive);
                         add_error("Archive does not contain a valid model");
                         return false;
                     }
@@ -585,7 +564,7 @@ void close_archive_writer(mz_zip_archive *arch) {
                     // extract slic3r model config file
                     if (!_extract_model_config_from_archive(archive, stat, model))
                     {
-                        close_archive_reader(&archive);
+                        close_zip_reader(&archive);
                         add_error("Archive does not contain a valid model config");
                         return false;
                     }
@@ -593,7 +572,7 @@ void close_archive_writer(mz_zip_archive *arch) {
             }
         }
 
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
 
         for (const IdToModelObjectMap::value_type& object : m_objects)
         {
@@ -1659,10 +1638,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         mz_zip_archive archive;
         mz_zip_zero_struct(&archive);
 
-        FILE *f = boost::nowide::fopen(filename.c_str(), "wb");
+        if (!open_zip_writer(&archive, filename)) {
-        auto res = mz_bool(f != nullptr && mz_zip_writer_init_cfile(&archive, f, 0));
-        if (res == 0)
-        {
             add_error("Unable to open the file");
             return false;
         }
@@ -1671,7 +1647,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         // The content of this file is the same for each PrusaSlicer 3mf.
         if (!_add_content_types_file_to_archive(archive))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
@@ -1681,7 +1657,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         // The relationshis file contains a reference to the geometry file "3D/3dmodel.model", the name was chosen to be compatible with CURA.
         if (!_add_relationships_file_to_archive(archive))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
@@ -1691,7 +1667,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         IdToObjectDataMap objects_data;
         if (!_add_model_file_to_archive(archive, model, objects_data))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
@@ -1701,7 +1677,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         // The index differes from the index of an object ID of an object instance of a 3MF file!
         if (!_add_layer_height_profile_file_to_archive(archive, model))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
@@ -1711,7 +1687,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         // The index differes from the index of an object ID of an object instance of a 3MF file!
         if (!_add_sla_support_points_file_to_archive(archive, model))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
@@ -1722,7 +1698,7 @@ void close_archive_writer(mz_zip_archive *arch) {
         {
             if (!_add_print_config_file_to_archive(archive, *config))
             {
-                close_archive_writer(&archive);
+                close_zip_writer(&archive);
                 boost::filesystem::remove(filename);
                 return false;
             }
@@ -1734,20 +1710,20 @@ void close_archive_writer(mz_zip_archive *arch) {
         // is stored here as well.
         if (!_add_model_config_file_to_archive(archive, model, objects_data))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             return false;
         }
 
         if (!mz_zip_writer_finalize_archive(&archive))
         {
-            close_archive_writer(&archive);
+            close_zip_writer(&archive);
             boost::filesystem::remove(filename);
             add_error("Unable to finalize the archive");
             return false;
         }
 
-        close_archive_writer(&archive);
+        close_zip_writer(&archive);
 
         return true;
     }

src/libslic3r/Format/AMF.cpp

@@ -16,7 +16,7 @@
 #include <boost/filesystem/operations.hpp>
 #include <boost/algorithm/string.hpp>
 #include <boost/nowide/fstream.hpp>
-#include <miniz.h>
+#include "miniz_extension.hpp"
 
 #if 0
 // Enable debugging and assert in this file.
@@ -712,37 +712,19 @@ bool load_amf_file(const char *path, DynamicPrintConfig *config, Model *model)
     return result;
 }
 
-namespace {
-void close_archive_reader(mz_zip_archive *arch) {
-    if (arch) {
-        FILE *f = mz_zip_get_cfile(arch);
-        mz_zip_reader_end(arch);
-        if (f) fclose(f);
-    }
-}
-
-void close_archive_writer(mz_zip_archive *arch) {
-    if (arch) {
-        FILE *f = mz_zip_get_cfile(arch);
-        mz_zip_writer_end(arch);
-        if (f) fclose(f);
-    }
-}
-}
-
 bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_file_stat& stat, DynamicPrintConfig* config, Model* model, unsigned int& version)
 {
     if (stat.m_uncomp_size == 0)
     {
         printf("Found invalid size\n");
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
         return false;
     }
 
     XML_Parser parser = XML_ParserCreate(nullptr); // encoding
     if (!parser) {
         printf("Couldn't allocate memory for parser\n");
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
         return false;
     }
 
@@ -755,7 +737,7 @@ bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_fi
     if (parser_buffer == nullptr)
     {
         printf("Unable to create buffer\n");
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
         return false;
     }
 
@@ -763,14 +745,14 @@ bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_fi
     if (res == 0)
     {
         printf("Error while reading model data to buffer\n");
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
         return false;
     }
 
     if (!XML_ParseBuffer(parser, (int)stat.m_uncomp_size, 1))
     {
         printf("Error (%s) while parsing xml file at line %d\n", XML_ErrorString(XML_GetErrorCode(parser)), XML_GetCurrentLineNumber(parser));
-        close_archive_reader(&archive);
+        close_zip_reader(&archive);
         return false;
     }
 
@@ -792,10 +774,7 @@ bool load_amf_archive(const char *path, DynamicPrintConfig *config, Model *model
     mz_zip_archive archive;
     mz_zip_zero_struct(&archive);
 
-    FILE * f = boost::nowide::fopen(path, "rb");
+    if (!open_zip_reader(&archive, path))
-    auto res = mz_bool(f == nullptr ? MZ_FALSE : MZ_TRUE);
-    res = res && mz_zip_reader_init_cfile(&archive, f, -1, 0);
-    if (res == MZ_FALSE)
     {
         printf("Unable to init zip reader\n");
         return false;
@@ -813,7 +792,7 @@ bool load_amf_archive(const char *path, DynamicPrintConfig *config, Model *model
             {
                 if (!extract_model_from_archive(archive, stat, config, model, version))
                 {
-                    close_archive_reader(&archive);
+                    close_zip_reader(&archive);
                     printf("Archive does not contain a valid model");
                     return false;
                 }
@@ -834,7 +813,7 @@ bool load_amf_archive(const char *path, DynamicPrintConfig *config, Model *model
     }
 #endif // forward compatibility
 
-    close_archive_reader(&archive);
+    close_zip_reader(&archive);
     return true;
 }
 
@@ -874,10 +853,7 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
     mz_zip_archive archive;
     mz_zip_zero_struct(&archive);
 
-    FILE *f = boost::nowide::fopen(export_path.c_str(), "wb");
+    if (!open_zip_writer(&archive, export_path)) return false;
-    auto res = mz_bool(f != nullptr && mz_zip_writer_init_cfile(&archive, f, 0));
-    if (res == 0)
-        return false;
 
     std::stringstream stream;
     // https://en.cppreference.com/w/cpp/types/numeric_limits/max_digits10
@@ -1039,20 +1015,19 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
 
     if (!mz_zip_writer_add_mem(&archive, internal_amf_filename.c_str(), (const void*)out.data(), out.length(), MZ_DEFAULT_COMPRESSION))
     {
-        close_archive_writer(&archive);
+        close_zip_writer(&archive);
-        if (f) fclose(f);
         boost::filesystem::remove(export_path);
         return false;
     }
 
     if (!mz_zip_writer_finalize_archive(&archive))
     {
-        close_archive_writer(&archive);
+        close_zip_writer(&archive);
         boost::filesystem::remove(export_path);
         return false;
     }
 
-    close_archive_writer(&archive);
+    close_zip_writer(&archive);
 
     return true;
 }

src/libslic3r/Format/PRUS.cpp

@@ -5,7 +5,7 @@
 #include <boost/nowide/convert.hpp>
 #include <boost/nowide/cstdio.hpp>
 
-#include <miniz.h>
+#include "miniz_extension.hpp"
 
 #include <Eigen/Geometry>
 
@@ -300,11 +300,10 @@ bool load_prus(const char *path, Model *model)
     mz_zip_archive archive;
     mz_zip_zero_struct(&archive);
 
-    FILE *f = boost::nowide::fopen(path, "rb");
-    auto res = mz_bool(f != nullptr && mz_zip_reader_init_cfile(&archive, f, -1, 0));
     size_t  n_models_initial = model->objects.size();
+    mz_bool res              = MZ_FALSE;
     try {
-        if (res == MZ_FALSE)
+        if (!open_zip_reader(&archive, path))
             throw std::runtime_error(std::string("Unable to init zip reader for ") + path);
         std::vector<char>           scene_xml_data;
         // For grouping multiple STLs into a single ModelObject for multi-material prints.
@@ -329,13 +328,11 @@ bool load_prus(const char *path, Model *model)
             }
         }
     } catch (std::exception &ex) {
-        mz_zip_reader_end(&archive);
+        close_zip_reader(&archive);
-        if(f) fclose(f);
         throw ex;
     }
 
-    mz_zip_reader_end(&archive);
+    close_zip_reader(&archive);
-    if(f) fclose(f);
     return model->objects.size() > n_models_initial;
 }
 

src/libslic3r/Zipper.cpp

@@ -1,9 +1,8 @@
 #include <exception>
 
 #include "Zipper.hpp"
-#include <miniz.h>
+#include "miniz_extension.hpp"
 #include <boost/log/trivial.hpp>
-#include <boost/nowide/cstdio.hpp>
 #include "I18N.hpp"
 
 //! macro used to mark string used at localization,
@@ -124,16 +123,9 @@ Zipper::Zipper(const std::string &zipfname, e_compression compression)
 
     memset(&m_impl->arch, 0, sizeof(m_impl->arch));
 
-    FILE *f = boost::nowide::fopen(zipfname.c_str(), "wb");
+    if (!open_zip_writer(&m_impl->arch, zipfname)) {
-
-    if (f == nullptr) {
-        m_impl->arch.m_last_error = MZ_ZIP_FILE_OPEN_FAILED;
         m_impl->blow_up();
     }
-
-    // Initialize the archive data
-    if(!mz_zip_writer_init_cfile(&m_impl->arch, f, 0))
-        m_impl->blow_up();
 }
 
 Zipper::~Zipper()
@@ -148,13 +140,9 @@ Zipper::~Zipper()
             BOOST_LOG_TRIVIAL(error) << m_impl->formatted_errorstr();
     }
 
-    FILE *f = mz_zip_get_cfile(&m_impl->arch);
-
     // The file should be closed no matter what...
-    if(!mz_zip_writer_end(&m_impl->arch))
+    if(!close_zip_writer(&m_impl->arch))
         BOOST_LOG_TRIVIAL(error) << m_impl->formatted_errorstr();
-
-    if(f != nullptr) fclose(f);
 }
 
 Zipper::Zipper(Zipper &&m):

src/libslic3r/miniz_extension.cpp

@@ -0,0 +1,59 @@
+#include "miniz_extension.hpp"
+
+#if defined(_MSC_VER) || defined(__MINGW64__)
+#include "boost/nowide/cstdio.hpp"
+#endif
+
+namespace Slic3r {
+
+namespace {
+bool open_zip(mz_zip_archive *zip, const char *fname, bool isread)
+{
+    if (!zip) return false;
+    const char *mode = isread ? "rb" : "wb";
+
+    FILE *f = nullptr;
+#if defined(_MSC_VER) || defined(__MINGW64__)
+    f = boost::nowide::fopen(fname, mode);
+#elif defined(__GNUC__) && defined(_LARGEFILE64_SOURCE)
+    f = fopen64(fname, mode);
+#else
+    f = fopen(fname, mode);
+#endif
+
+    if (!f) {
+        zip->m_last_error = MZ_ZIP_FILE_OPEN_FAILED;
+        return false;
+    }
+
+    return isread ? mz_zip_reader_init_cfile(zip, f, 0, 0)
+                  : mz_zip_writer_init_cfile(zip, f, 0);
+}
+
+bool close_zip(mz_zip_archive *zip, bool isread)
+{
+    bool ret = false;
+    if (zip) {
+        FILE *f = mz_zip_get_cfile(zip);
+        ret     = bool(isread ? mz_zip_reader_end(zip)
+                          : mz_zip_writer_end(zip));
+        if (f) fclose(f);
+    }
+    return ret;
+}
+}
+
+bool open_zip_reader(mz_zip_archive *zip, const std::string &fname)
+{
+    return open_zip(zip, fname.c_str(), true);
+}
+
+bool open_zip_writer(mz_zip_archive *zip, const std::string &fname)
+{
+    return open_zip(zip, fname.c_str(), false);
+}
+
+bool close_zip_reader(mz_zip_archive *zip) { return close_zip(zip, true); }
+bool close_zip_writer(mz_zip_archive *zip) { return close_zip(zip, false); }
+
+}

src/libslic3r/miniz_extension.hpp

@@ -0,0 +1,16 @@
+#ifndef MINIZ_EXTENSION_HPP
+#define MINIZ_EXTENSION_HPP
+
+#include <string>
+#include <miniz.h>
+
+namespace Slic3r {
+
+bool open_zip_reader(mz_zip_archive *zip, const std::string &fname_utf8);
+bool open_zip_writer(mz_zip_archive *zip, const std::string &fname_utf8);
+bool close_zip_reader(mz_zip_archive *zip);
+bool close_zip_writer(mz_zip_archive *zip);
+
+}
+
+#endif // MINIZ_EXTENSION_HPP