From cdb7f9d6e9c7a821d447d5c3c99e7b5eb6a03963 Mon Sep 17 00:00:00 2001
From: Greg Sjaardema <gsjaardema@gmail.com>
Date: Fri, 8 Mar 2024 09:56:47 -0700
Subject: [PATCH] EXODIFF: Fix so command_file parsing can handle arbitrarily
 long line

---
 .../applications/exodiff/ED_SystemInterface.C | 79 ++++---------------
 .../seacas/applications/exodiff/ED_Version.h  |  4 +-
 2 files changed, 18 insertions(+), 65 deletions(-)

diff --git a/packages/seacas/applications/exodiff/ED_SystemInterface.C b/packages/seacas/applications/exodiff/ED_SystemInterface.C
index 482ec97e81..775d629634 100644
--- a/packages/seacas/applications/exodiff/ED_SystemInterface.C
+++ b/packages/seacas/applications/exodiff/ED_SystemInterface.C
@@ -24,9 +24,8 @@
 #include <SL_tokenize.h>
 
 namespace {
-  [[noreturn]] void Parse_Die(const char *line)
+  [[noreturn]] void Parse_Die(std::string &sline)
   {
-    std::string sline = line;
     chop_whitespace(sline);
     Error(fmt::format("parsing input file, currently at \"{}\".\n", sline));
   }
@@ -903,9 +902,9 @@ void SystemInterface::Parse_Command_File()
   std::ifstream cmd_file(command_file, std::ios::in);
   SMART_ASSERT(cmd_file.good());
 
-  char        line[256];
+  std::string line;
   std::string xline, tok2, tok3;
-  cmd_file.getline(line, 256);
+  std::getline(cmd_file, line);
   xline = line;
   while (!cmd_file.eof()) {
     std::string tok1;
@@ -1212,13 +1211,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(glob_var_names, glob_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "nodal", 4) && abbreviation(tok2, "variables", 3)) {
@@ -1228,13 +1221,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(node_var_names, node_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "element", 4) && abbreviation(tok2, "variables", 3)) {
@@ -1244,13 +1231,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(elmt_var_names, elmt_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else if (tok1 == "nodeset" && abbreviation(tok2, "variables", 3)) {
@@ -1260,13 +1241,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(ns_var_names, ns_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "sideset", 4) && abbreviation(tok2, "variables", 3)) {
@@ -1276,13 +1251,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(ss_var_names, ss_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "sideset", 4) && abbreviation(tok2, "distribution", 4)) {
@@ -1376,12 +1345,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(eb_var_names, eb_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "faceblock", 4) && abbreviation(tok2, "variables", 3)) {
@@ -1391,12 +1355,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(fb_var_names, fb_var_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
+	line = xline;
         continue;
       }
       else if (abbreviation(tok1, "element", 4) && abbreviation(tok2, "attributes", 3)) {
@@ -1406,13 +1365,7 @@ void SystemInterface::Parse_Command_File()
 
         Check_Parsed_Names(elmt_att_names, elmt_att_do_all_flag);
 
-        if (!xline.empty()) {
-          copy_string(line, xline);
-        }
-        else {
-          copy_string(line, "");
-        }
-
+	line = xline;
         continue;
       }
       else {
@@ -1420,7 +1373,7 @@ void SystemInterface::Parse_Command_File()
       }
     }
 
-    cmd_file.getline(line, 256);
+    std::getline(cmd_file, line);
     xline = line;
   }
 }
@@ -1430,7 +1383,7 @@ namespace {
                               Tolerance &def_tol, std::vector<std::string> &names,
                               std::vector<Tolerance> &toler)
   {
-    char line[256];
+    std::string line{};
 
     toler.clear();
     names.clear();
@@ -1557,7 +1510,7 @@ namespace {
       }
     }
 
-    cmd_file.getline(line, 256);
+    std::getline(cmd_file, line);
     xline = line;
     while (!cmd_file.eof()) {
       if (xline.empty() ||
@@ -1580,7 +1533,7 @@ namespace {
             names.push_back(tok);
             toler.push_back(def_tol);
           }
-          cmd_file.getline(line, 256);
+	  std::getline(cmd_file, line);
           xline = line;
           continue;
         }
@@ -1653,7 +1606,7 @@ namespace {
         }
       }
 
-      cmd_file.getline(line, 256);
+      std::getline(cmd_file, line);
       xline = line;
     }
 
diff --git a/packages/seacas/applications/exodiff/ED_Version.h b/packages/seacas/applications/exodiff/ED_Version.h
index 08b16c94c4..88e598a287 100644
--- a/packages/seacas/applications/exodiff/ED_Version.h
+++ b/packages/seacas/applications/exodiff/ED_Version.h
@@ -5,5 +5,5 @@
 // See packages/seacas/LICENSE for details
 #pragma once
 
-static const std::string version("3.31");
-static const std::string verdate("2024-01-10");
+static const std::string version("3.32");
+static const std::string verdate("2024-03-08");