Decrease visibilty in encode and decode functions

3 files changed, 16 insertions, 9 deletions

diff --git a/src/include/xml/decode.c b/src/include/xml/decode.c
index 14af551..dccbc2f 100644
--- a/src/include/xml/decode.c
+++ b/src/include/xml/decode.c
@@ -10,7 +10,14 @@ static int check_closing_tag(char *xml, int *pos, char *tag, int *err);
 static void set_tag(char *xml, map_t **map, int *closed, int *pos);
 static void set_value(char *xml, int *pos, map_t **map);
 
-map_t *decode(char *xml, int *pos, int *len) {
+static map_t *decode_helper(char *xml, int *pos, int *len);
+
+map_t *decode(char *xml) {
+	int start = 0, len = 0;
+	return decode_helper(xml, &start, &len);
+}
+
+static map_t *decode_helper(char *xml, int *pos, int *len) {
 	if (*len)
 		++(*len);
 	else
@@ -26,7 +33,7 @@ map_t *decode(char *xml, int *pos, int *len) {
 		} else if (xml[i] == '<' && closed)
 			set_tag(xml, &decoded, &closed, &i);
 		else if (xml[i] == '<' && !closed) {
-			map_t *ndec = decode(xml, &i, &(decoded->n));
+			map_t *ndec = decode_helper(xml, &i, &(decoded->n));
 			decoded->size = sizeof(map_t);
 			if (decoded->n > 1)
 				decoded->payload =
diff --git a/src/include/xml/encode.c b/src/include/xml/encode.c
index 60e418d..6ed753e 100644
--- a/src/include/xml/encode.c
+++ b/src/include/xml/encode.c
@@ -5,8 +5,11 @@
 #include "xml.h"
 
 static void check(char **str, int *len, int *used, int n);
+static char *encode_helper(map_t *map, int len);
 
-char *encode(map_t *map, int len) {
+char *encode(map_t *map) { return encode_helper(map, 1); }
+
+static char *encode_helper(map_t *map, int len) {
 	int slen = 128, used = 0;
 	char *str = calloc(slen, sizeof(char));
 
@@ -25,7 +28,7 @@ char *encode(map_t *map, int len) {
 		check(&str, &slen, &used, 1);
 		strcat(str, ">");
 		if (map[i].size == sizeof(map_t)) {
-			char *rt = encode((map_t *)map[i].payload, map[i].n);
+			char *rt = encode_helper((map_t *)map[i].payload, map[i].n);
 			if (rt == NULL)
 				return NULL;
 			check(&str, &slen, &used, strlen(rt));
diff --git a/src/include/xml/xml.h b/src/include/xml/xml.h
index c812005..eb250e3 100644
--- a/src/include/xml/xml.h
+++ b/src/include/xml/xml.h
@@ -17,14 +17,11 @@ typedef struct {
 	int n_attrs;
 } map_t;
 
-// TODO: make encode more reliant on helpers
-// to make function more private
-
 /* decode: decodes the provided xml statement into a map_t */
-map_t *decode(char *xml, int *pos, int *len);
+map_t *decode(char *xml);
 
 /* encode: encodes the provided map_t into a xml statement */
-char *encode(map_t *map, int len);
+char *encode(map_t *map);
 
 /* freemap: frees a map and its children */
 void freemap(map_t *map);