Added const qualifier to the w1~w4 arguments of npc_parse_shop

Signed-off-by: Haru <haru@dotalux.com>

1 files changed, 18 insertions, 5 deletions

diff --git a/src/map/npc.c b/src/map/npc.c
index a70d3798d..1912235b8 100644
--- a/src/map/npc.c
+++ b/src/map/npc.c
@@ -2695,11 +2695,24 @@ const char *npc_parse_warp(const char *w1, const char *w2, const char *w3, const
 }
 
 /**
- * Parses a SHOP/CASHSHOP npc
- * @param retval Pointer to the status, used to know whether there was an error or not, if so it will be EXIT_FAILURE
- * @retval Parsing position (currently only '\n')
- **/
-const char* npc_parse_shop(char* w1, char* w2, char* w3, char* w4, const char* start, const char* buffer, const char* filepath, int *retval) {
+ * Parses a SHOP/CASHSHOP NPC.
+ *
+ * @param[in]  w1       First tab-delimited part of the string to parse.
+ * @param[in]  w2       Second tab-delimited part of the string to parse.
+ * @param[in]  w3       Third tab-delimited part of the string to parse.
+ * @param[in]  w4       Fourth tab-delimited part of the string to parse.
+ * @param[in]  start    Pointer to the beginning of the string inside buffer.
+ *                      This must point to the same buffer as `buffer`.
+ * @param[in]  buffer   Pointer to the buffer containing the script. For
+ *                      single-line mapflags not inside a script, this may be
+ *                      an empty (but initialized) single-character buffer.
+ * @param[in]  filepath Source file path.
+ * @param[out] retval   Pointer to return the success (EXIT_SUCCESS) or failure
+ *                      (EXIT_FAILURE) status. May be NULL.
+ * @return A pointer to the advanced buffer position.
+ */
+const char *npc_parse_shop(const char *w1, const char *w2, const char *w3, const char *w4, const char *start, const char *buffer, const char *filepath, int *retval)
+{
 	//TODO: could be rewritten to NOT need this temp array [ultramage]
 	// We could use nd->u.shop.shop_item to store directly the items, but this could lead
 	// to unecessary memory usage by the server, using a temp dynamic array is the