timo_moulinette now working quite reliably

.bashrc

@@ -89,6 +89,10 @@ check () {
     fi
 }
 
+safe_guard_name () {
+	printf '%s' "${1}" | tr \\'!@#$%^&*()_+~{}|:">[]?<, ./;=\t\-'\'\` '__________________________________'
+}
+
 timo_moulinette () {
 	# Set params
 	subject="${1}"
@@ -144,23 +148,56 @@ timo_moulinette () {
 	${CC} -dD -E -o "${file_name}.nocomments" -- "${file_name}"
 
 	# Extract function definitions from preprocessed file and append semicolon
-	prototypes="$(cat -- "${file_name}.nocomments" | grep -v '#' | grep ')$' | grep '[a-zA-Z0-9](' | sed 's/$/;/')"
+	prototypes="$(cat -- "${file_name}.nocomments" | grep -v '#' | grep ')$' | grep '[a-zA-Z0-9](' | grep -v 'int[[:space:]]\+main(' | sed 's/$/;/')"
+
+	# Extract macros from file (ignore the ones with line continuations)
+	macros="$(cat -- "${file_name}" | grep '^#' | grep -v '\\$')"
 
 	# Remove preprocessed file
 	rm -f -- "${file_name}.nocomments"
 
 	# Write prototypes to beginning of testfile
-	IFS="$(printf '\n')"
+	IFS="
-	for proto in "${prototypes}"; do
+"
+	for proto in ${prototypes}; do
 		printf '%s\n' "${proto}" | cat -- - "${download_file_name}" > ".tmpaddfirstlinefile.c"
 		mv -- ".tmpaddfirstlinefile.c" "${download_file_name}"
 	done
+
+	# Write macros to beginning of testfile
+	IFS="
+"
+	for macro in ${macros}; do
+		guard_name="$(safe_guard_name "${macro}")"
+
+		# Endif include guard
+		printf '%s\n' "#endif" | cat -- - "${download_file_name}" > ".tmpaddfirstlinefile.c"
+		mv -- ".tmpaddfirstlinefile.c" "${download_file_name}"
+
+		# The macro itself
+		printf '%s\n' "${macro}" | cat -- - "${download_file_name}" > ".tmpaddfirstlinefile.c"
+		mv -- ".tmpaddfirstlinefile.c" "${download_file_name}"
+
+		# Define include guard
+		printf '%s\n' "# define ${guard_name}" | cat -- - "${download_file_name}" > ".tmpaddfirstlinefile.c"
+		mv -- ".tmpaddfirstlinefile.c" "${download_file_name}"
+
+		# Include guard
+		printf '%s\n' "#ifndef ${guard_name}" | cat -- - "${download_file_name}" > ".tmpaddfirstlinefile.c"
+		mv -- ".tmpaddfirstlinefile.c" "${download_file_name}"
+	done
 	IFS="$(printf ' \n\t')"
 
 	# Compile
 	out_binary="timo_moulinette_${subject}_${ex}_$(basename -- "${test_file_name}" .c).out"
 	${CC} -Wall -Wextra -Werror -o "${out_binary}" -xc -- *.c
+	err_code="${?}"
 
+	if [ ! "${err_code}" = 0 ]; then
+		printf '%s\n' "Could not compile. Exiting"
+		return
+	fi
+	
 	# Delete testfile
 	rm -f -- "${download_file_name}"