try a wee separate app using the lib and header

testapp/configfile.h

@@ -0,0 +1,36 @@
+#ifndef __CONFIGFILE_H
+#define __CONFIGFILE_H
+#include <exec/types.h>
+#include <dos/dos.h>
+#include <proto/containerkit.h>
+typedef APTR CONFIGFILEPTR;
+
+CONFIGFILEPTR ConfigFileRead(CONST_STRPTR filename);
+VOID ConfigFileFree(CONFIGFILEPTR configFile);
+
+Array ConfigFileGetAll(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey);
+STRPTR ConfigFileGet(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey);
+BOOL ConfigFileSet(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey, CONST_STRPTR stringValue);
+
+// --add
+VOID ConfigFileAddVariable(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey, CONST_STRPTR stringValue);
+
+// --replace-all
+VOID ConfigFileReplaceAll(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey, CONST_STRPTR stringValue);
+
+// --unset
+VOID ConfigFileUnset(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey, CONST_STRPTR stringValue);
+
+// --unset-all
+VOID ConfigFileUnsetAll(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR compoundKey, CONST_STRPTR stringValue);
+
+// --remove-section
+VOID ConfigFileRemoveSection(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR canonicalName);
+
+VOID ConfigFileDump(CONFIGFILEPTR configFile);
+VOID ConfigFileSave(CONFIGFILEPTR configFile);
+VOID ConfigFileWrite(CONFIGFILEPTR abstractConfigFile, BPTR file);
+
+Array ConfigFileSubsectionsForSection(CONFIGFILEPTR abstractConfigFile, CONST_STRPTR primarySection);
+
+#endif

testapp/main.c

@@ -0,0 +1,102 @@
+// 	Printf("running (%ld bytes avail)\n", AvailMem(0));
+#define __CLIB_PRAGMA_LIBCALL
+#include <proto/exec.h>
+#include <proto/dos.h>
+#define	__NOLIBBASE__
+// #include "containers/stringarray.h"
+// #include "containers/linearray.h"
+#include "configfile.h"
+//#include "configmodel.h"
+#include <proto/containerkit.h>
+
+WORD DoTheWork(STRPTR filename);
+VOID ProcessFile(BPTR configFile);
+
+char *vers="\0$VER: ConfigReader (dd.mm.yyyy)";
+char *stacksize = "$STACK:8192"; // only works when started from CLI
+
+struct Library *ContainerkitBase;
+
+WORD DoTheWork(STRPTR filename)
+{
+	WORD result = RETURN_OK;
+	if (ContainerkitBase)
+	{
+		CONFIGFILEPTR config = ConfigFileRead(filename);
+		if( config != NULL )
+		{
+ 			Array values = NULL;
+ 			STRPTR var = NULL;
+ 			
+// 			values = ConfigFileGetAll(config, "branch.main.remote");
+//			StringArrayForEach(values, Printf("main %s\n", aString););
+//			StringArrayFree(values, TRUE);			
+
+// 			var = ConfigFileGet(config, "branch.config-file-parsing-from-book.remote");
+// 			Printf("parse %s\n\n\n", var);
+ //			FreeVec(var);
+ 			
+ 	//		ConfigFileDump(config);
+//			ConfigFileSet(config, "branch.main.foob", "bar");
+	//		ConfigFileSet(config, "branch.alan.foob", "bar");
+ 			ConfigFileSet(config, "branch.main.remote", "testing");
+ 			ConfigFileSet(config, "branch.main.second", "testing");
+// 			ConfigFileSet(config, "branch.main.third", "testing");
+//  			ConfigFileReplaceAll(config, "branch.main.alan", "hello");
+//  			ConfigFileAddVariable(config, "branch.main.newvar", "alan");
+//  			ConfigFileAddVariable(config, "branch.main.newvar", "alan2");
+//  			ConfigFileAddVariable(config, "branch.main.newvar", "alan3");
+//  			ConfigFileReplaceAll(config, "branch.main.newvar", "goodbye");
+//  			ConfigFileAddVariable(config, "branch.main.newvar1", "yay");
+
+			ConfigFileAddVariable(config, "foo1", "alan");
+			ConfigFileAddVariable(config, "test.foo1", "alan2");
+			ConfigFileAddVariable(config, "test.foo.foo1", "alan3");
+			ConfigFileAddVariable(config, "test.foo.bar.foo1", "alan4");
+			ConfigFileAddVariable(config, "test.foo.bar.baz.foo1", "alan5");
+			ConfigFileAddVariable(config, "test.foo.bar.baz.bat.foo1", "alan6");
+			ConfigFileAddVariable(config, "test.section.jane.foo3", "alan3");
+			values = ConfigFileSubsectionsForSection(config, "branch");
+			if( values )
+			{
+				ArrayForEach(STRPTR, aString, values, Printf("branch:[%s]\n",aString););
+				ArrayForEach(STRPTR, aString, values, FreeVec(aString););
+				DeleteArray(values);			
+			}
+ 			ConfigFileSave(config);
+			
+			ConfigFileFree(config);
+		}
+		else
+		{
+			Printf("could not read the file\n");
+			result = RETURN_ERROR;
+		}
+	}
+	return result;
+}
+
+WORD main(WORD argc, STRPTR *argv)
+{
+	WORD result = RETURN_OK;
+	
+	// this does nothing but the first call to Print drops a bunch of memory, 
+	// I assume because of opening some resource so this means my start and
+	// end markers are "clean" and I can ensure I'm not leaking.
+	Printf("\n"); 
+	
+	ContainerkitBase = OpenLibrary("containerkit.library", 1);
+	if( ContainerkitBase )
+	{
+		Printf("\n\nrunning   (%ld bytes avail)\n\n", AvailMem(0));	
+		result = DoTheWork(argv[1]);
+		Printf("\n\ndone      (%ld bytes avail)\n\n", AvailMem(0));
+		CloseLibrary(ContainerkitBase);
+	} 
+	else 
+	{
+		Printf("failed to open library\n");
+		result = RETURN_ERROR;
+	}
+	return result;		
+}

testapp/smakefile

@@ -0,0 +1,22 @@
+#
+# :ts=8
+#
+
+###############################################################################
+
+NAME = testapp
+
+LFLAGS = addsym smallcode smalldata noicons batch
+LIBS = lib:sc.lib lib:amiga.lib lib:debug.lib
+
+###############################################################################
+	
+$(NAME) : main.o configfile.lib configfile.h
+	slink lib:c.o main.o to $(NAME) noicons lib $(LIBS) configfile.lib $(LFLAGS)
+
+clean:
+	delete \#?.o $(NAME) ALL QUIET
+
+###############################################################################
+
+main.o : main.c 

testapp/testconfig.cfg

@@ -0,0 +1,20 @@
+#this is a comment
+[core]
+	repositoryformatversion = 0
+	precomposeunicode = true
+	
+[remote "origin.foo"]  #this is also a coment
+	url = git@git.alancfrancis.com:acf/AmigaGit2.git
+	fetch = +refs/heads/*:refs/remotes/origin/*
+
+[branch "main"]
+	remote = origin
+	merge = refs/heads/main
+	alan = yes
+	alan = no
+	alan = sure
+
+[branch "config-file-parsing-from-book"]
+	remote = origin
+	merge = refs/heads/config-file-parsing-from-book
+