From e41dbc3ddbe30a414e73fa25d9c7c304ffe6989e Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 9 Feb 2022 04:04:36 +0100
Subject: Add support for wireless pairing

---
 3rd_party/libsrp6a-sha512/cstr.h | 94 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 3rd_party/libsrp6a-sha512/cstr.h

(limited to '3rd_party/libsrp6a-sha512/cstr.h')

diff --git a/3rd_party/libsrp6a-sha512/cstr.h b/3rd_party/libsrp6a-sha512/cstr.h
new file mode 100644
index 0000000..7cc019a
--- /dev/null
+++ b/3rd_party/libsrp6a-sha512/cstr.h
@@ -0,0 +1,94 @@
+#ifndef _CSTR_H_
+#define _CSTR_H_
+
+/* A general-purpose string "class" for C */
+
+#if     !defined(P)
+#ifdef  __STDC__
+#define P(x)    x
+#else
+#define P(x)    ()
+#endif
+#endif
+
+/*	For building dynamic link libraries under windows, windows NT 
+ *	using MSVC1.5 or MSVC2.0
+ */
+
+#ifndef _DLLDECL
+#define _DLLDECL
+
+#ifdef MSVC15	/* MSVC1.5 support for 16 bit apps */
+#define _MSVC15EXPORT _export
+#define _MSVC20EXPORT
+#define _DLLAPI _export _pascal
+#define _CDECL
+#define _TYPE(a) a _MSVC15EXPORT
+#define DLLEXPORT 1
+
+#elif defined(MSVC20) || (defined(_USRDLL) && defined(SRP_EXPORTS))
+#define _MSVC15EXPORT
+#define _MSVC20EXPORT _declspec(dllexport)
+#define _DLLAPI
+#define _CDECL
+#define _TYPE(a) _MSVC20EXPORT a
+#define DLLEXPORT 1
+
+#else			/* Default, non-dll.  Use this for Unix or DOS */
+#define _MSVC15DEXPORT
+#define _MSVC20EXPORT
+#define _DLLAPI
+#if defined(WINDOWS) || defined(WIN32)
+#define _CDECL _cdecl
+#else
+#define _CDECL
+#endif
+#define _TYPE(a) a _CDECL
+#endif
+#endif /* _DLLDECL */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* Arguments to allocator methods ordered this way for compatibility */
+typedef struct cstr_alloc_st {
+  void * (_CDECL * alloc)(size_t n, void * heap);
+  void (_CDECL * free)(void * p, void * heap);
+  void * heap;
+} cstr_allocator;
+
+typedef struct cstr_st {
+  char * data;	/* Okay to access data and length fields directly */
+  int length;
+  int cap;
+  int ref;	/* Simple reference counter */
+  cstr_allocator * allocator;
+} cstr;
+
+_TYPE( void ) cstr_set_allocator P((cstr_allocator * alloc));
+
+_TYPE( cstr * ) cstr_new P((void));
+_TYPE( cstr * ) cstr_new_alloc P((cstr_allocator * alloc));
+_TYPE( cstr * ) cstr_dup P((const cstr * str));
+_TYPE( cstr * ) cstr_dup_alloc P((const cstr * str, cstr_allocator * alloc));
+_TYPE( cstr * ) cstr_create P((const char * s));
+_TYPE( cstr * ) cstr_createn P((const char * s, int len));
+
+_TYPE( void ) cstr_free P((cstr * str));
+_TYPE( void ) cstr_clear_free P((cstr * str));
+_TYPE( void ) cstr_use P((cstr * str));
+_TYPE( void ) cstr_empty P((cstr * str));
+_TYPE( int ) cstr_copy P((cstr * dst, const cstr * src));
+_TYPE( int ) cstr_set P((cstr * str, const char * s));
+_TYPE( int ) cstr_setn P((cstr * str, const char * s, int len));
+_TYPE( int ) cstr_set_length P((cstr * str, int len));
+_TYPE( int ) cstr_append P((cstr * str, const char * s));
+_TYPE( int ) cstr_appendn P((cstr * str, const char * s, int len));
+_TYPE( int ) cstr_append_str P((cstr * dst, const cstr * src));
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _CSTR_H_ */
-- 
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