code comments

2 files changed, 11 insertions, 7 deletions

diff --git a/GNUmakefile b/GNUmakefile
index c9bf862..266bf8a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -47,6 +47,7 @@ test005 = "$(m $(pat),$(subj),E)" = "$(subj)" -a "$(1)" = 1 -a "$(255)" = 255
 # test parsing pattern options
 test006 = "$(m ^TEST+,testtttt,iU)" = test
 
+# test passing `$' characters to variable
 test007 = "$(m a(.*)b,a\$$b)" = "a\$$b" -a "$(1)" = "\$$"
 
 ### END OF TEST EXPRESSIONS ###
diff --git a/pcre.c b/pcre.c
index 5630ac7..ec8a120 100644
--- a/pcre.c
+++ b/pcre.c
@@ -56,10 +56,11 @@ char *esc_str(const char *str)
 	return esc;
 }
 
+/* mk_error() - pass formatted string to error make function */
 int mk_error(const char *fmt, ...)
 {
-	va_list args;
-	char *msg, *emsg, *mk;
+	va_list args;          /* function arguments */
+	char *msg, *emsg, *mk; /* buffer strings */
 
 	va_start(args, fmt);
 
@@ -75,10 +76,11 @@ int mk_error(const char *fmt, ...)
 	return 0;
 }
 
+/* mk_warning() - pass formatted string to warning make function */
 int mk_warning(const char *fmt, ...)
 {
-	va_list args;
-	char *msg, *emsg, *mk;
+	va_list args;          /* function arguments */
+	char *msg, *emsg, *mk; /* buffer strings */
 
 	va_start(args, fmt);
 
@@ -94,10 +96,11 @@ int mk_warning(const char *fmt, ...)
 	return 0;
 }
 
+/* mk_info() - pass formatted string to info make function */
 int mk_info(const char *fmt, ...)
 {
-	va_list args;
-	char *msg, *emsg, *mk;
+	va_list args;          /* function arguments */
+	char *msg, *emsg, *mk; /* buffer strings */
 
 	va_start(args, fmt);
 
@@ -157,7 +160,7 @@ int def_nvar(int num, const char *value)
 	return 0;
 }
 
-/* set_comp_opt - set regexp option */
+/* parse_comp_opt - return regexp compilation option according to flag */
 int parse_comp_opt(const char flag, const char *func)
 {
 	int b; /* PCRE configuration option value */