From 8d80f2f1d6fd29d53559a3be1b6919c98e424491 Mon Sep 17 00:00:00 2001
From: cassandras-lies <203535133+cassandras-lies@users.noreply.github.com>
Date: Tue, 13 May 2025 17:11:08 +0000
Subject: [PATCH] Fix secp256k1 compilation on Windows.

---
 secp256k1/src/scratch.h | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/secp256k1/src/scratch.h b/secp256k1/src/scratch.h
index fef377a..1cc6334 100644
--- a/secp256k1/src/scratch.h
+++ b/secp256k1/src/scratch.h
@@ -20,20 +20,28 @@ typedef struct secp256k1_scratch_space_struct {
     const secp256k1_callback* error_callback;
 } secp256k1_scratch;
 
-static secp256k1_scratch* secp256k1_scratch_create(const secp256k1_callback* error_callback, size_t max_size);
+#if defined(_WIN32) || defined(_WIN64)
+  #define S
+#else
+  #define S static
+#endif
+
+S secp256k1_scratch* secp256k1_scratch_create(const secp256k1_callback* error_callback, size_t max_size);
 
-static void secp256k1_scratch_destroy(secp256k1_scratch* scratch);
+S void secp256k1_scratch_destroy(secp256k1_scratch* scratch);
 
 /** Attempts to allocate a new stack frame with `n` available bytes. Returns 1 on success, 0 on failure */
-static int secp256k1_scratch_allocate_frame(secp256k1_scratch* scratch, size_t n, size_t objects);
+S int secp256k1_scratch_allocate_frame(secp256k1_scratch* scratch, size_t n, size_t objects);
 
 /** Deallocates a stack frame */
-static void secp256k1_scratch_deallocate_frame(secp256k1_scratch* scratch);
+S void secp256k1_scratch_deallocate_frame(secp256k1_scratch* scratch);
 
 /** Returns the maximum allocation the scratch space will allow */
-static size_t secp256k1_scratch_max_allocation(const secp256k1_scratch* scratch, size_t n_objects);
+S size_t secp256k1_scratch_max_allocation(const secp256k1_scratch* scratch, size_t n_objects);
 
 /** Returns a pointer into the most recently allocated frame, or NULL if there is insufficient available space */
-static void *secp256k1_scratch_alloc(secp256k1_scratch* scratch, size_t n);
+S void *secp256k1_scratch_alloc(secp256k1_scratch* scratch, size_t n);
+
+#undef S
 
 #endif