std::string for t_arch:architecture_id

Author: soheilshahrouz

libs/libarchfpga/src/arch_util.cpp

@@ -162,7 +162,7 @@ void free_arch(t_arch* arch) {
 
     vtr::release_memory(arch->directs);
 
-    vtr::free(arch->architecture_id);
+    vtr::release_memory(arch->architecture_id);
 
     delete (arch->noc);
 }

libs/libarchfpga/src/physical_types.h

@@ -1966,7 +1966,7 @@ struct t_arch {
     std::vector<vtr::interned_string> interned_strings;
 
     /// Secure hash digest of the architecture file to uniquely identify this architecture
-    char* architecture_id;
+    std::string architecture_id;
 
     // Options for tileable routing architectures
     // These are used for an alternative, tilable, rr-graph generator that can produce
@@ -2001,12 +2001,12 @@ struct t_arch {
     int sub_fs;
 
     /// Connecting type for pass tracks in each switch block
-    enum e_switch_block_type sb_sub_type;
+    e_switch_block_type sb_sub_type;
 
     // End of tileable architecture options
 
     t_chan_width_dist Chans;
-    enum e_switch_block_type sb_type;
+    e_switch_block_type sb_type;
     std::vector<t_switchblock_inf> switchblocks;
     float R_minW_nmos;
     float R_minW_pmos;

libs/libarchfpga/src/read_fpga_interchange_arch.cpp

@@ -2529,7 +2529,7 @@ void FPGAInterchangeReadArch(const char* FPGAInterchangeDeviceFile,
 
     auto device_reader = message_reader.getRoot<DeviceResources::Device>();
 
-    arch->architecture_id = vtr::strdup(vtr::secure_digest_file(FPGAInterchangeDeviceFile).c_str());
+    arch->architecture_id = vtr::secure_digest_file(FPGAInterchangeDeviceFile);
 
     ArchReader reader(arch, device_reader, FPGAInterchangeDeviceFile, PhysicalTileTypes, LogicalBlockTypes);
     reader.read_arch();

libs/libarchfpga/src/read_xml_arch_file.cpp

@@ -409,7 +409,7 @@ void xml_read_arch(const char* arch_file,
     }
 
     //Create a unique identifier for this architecture file based on it's contents
-    arch->architecture_id = vtr::strdup(vtr::secure_digest_file(arch_file).c_str());
+    arch->architecture_id = vtr::secure_digest_file(arch_file);
 
     // Parse the file
     try {