From aa65327e737e2d595fe4b0897620d0f4dbf3c023 Mon Sep 17 00:00:00 2001
From: Davide Beatrici <git@davidebeatrici.dev>
Date: Sat, 18 Jul 2020 18:16:54 +0200
Subject: [PATCH] Mayaqua/Pack: add PackGetStrSize(), for strings with
 non-constant length

---
 src/Mayaqua/Pack.c | 22 ++++++++++++++++++++++
 src/Mayaqua/Pack.h |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/src/Mayaqua/Pack.c b/src/Mayaqua/Pack.c
index 7d5b137b..5c11061f 100644
--- a/src/Mayaqua/Pack.c
+++ b/src/Mayaqua/Pack.c
@@ -1429,6 +1429,28 @@ bool PackGetStrEx(PACK *p, char *name, char *str, UINT size, UINT index)
 	return true;
 }
 
+// Get the string size from the PACK
+bool PackGetStrSize(PACK *p, char *name)
+{
+	return PackGetStrSizeEx(p, name, 0);
+}
+bool PackGetStrSizeEx(PACK *p, char *name, UINT index)
+{
+	ELEMENT *e;
+	// Validate arguments
+	if (p == NULL || name == NULL)
+	{
+		return 0;
+	}
+
+	e = GetElement(p, name, VALUE_STR);
+	if (e == NULL)
+	{
+		return 0;
+	}
+	return GetDataValueSize(e, index);
+}
+
 // Add the buffer to the PACK (array)
 ELEMENT *PackAddBufEx(PACK *p, char *name, BUF *b, UINT index, UINT total)
 {
diff --git a/src/Mayaqua/Pack.h b/src/Mayaqua/Pack.h
index f0d553b8..2260d4cd 100644
--- a/src/Mayaqua/Pack.h
+++ b/src/Mayaqua/Pack.h
@@ -143,6 +143,8 @@ ELEMENT *PackAddData(PACK *p, char *name, void *data, UINT size);
 ELEMENT *PackAddDataEx(PACK *p, char *name, void *data, UINT size, UINT index, UINT total);
 ELEMENT *PackAddBuf(PACK *p, char *name, BUF *b);
 ELEMENT *PackAddBufEx(PACK *p, char *name, BUF *b, UINT index, UINT total);
+bool PackGetStrSize(PACK *p, char *name);
+bool PackGetStrSizeEx(PACK *p, char *name, UINT index);
 bool PackGetStr(PACK *p, char *name, char *str, UINT size);
 bool PackGetStrEx(PACK *p, char *name, char *str, UINT size, UINT index);
 bool PackGetUniStr(PACK *p, char *name, wchar_t *unistr, UINT size);