From 30568b2d0f38b73646bbc32f95259f74354660d4 Mon Sep 17 00:00:00 2001
From: TazyFoundSoup <gardendistrict0x0@outlook.com>
Date: Tue, 10 Mar 2026 19:34:14 +1100
Subject: refactor(common): Add a context base for every ff_*_ctx

---
 include/tinyff/common.h    | 7 +++++++
 include/tinyff/image/bmp.h | 5 ++---
 include/tinyff/image/png.h | 5 ++---
 3 files changed, 11 insertions(+), 6 deletions(-)

(limited to 'include')

diff --git a/include/tinyff/common.h b/include/tinyff/common.h
index 0c04ce9..df6e841 100644
--- a/include/tinyff/common.h
+++ b/include/tinyff/common.h
@@ -6,6 +6,13 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+// Context bases
+// Default
+#define FF_BASE \
+    bool valid; \
+    ff_result last_error;
+
+
 // Flags
 typedef bool ff_flag;
 
diff --git a/include/tinyff/image/bmp.h b/include/tinyff/image/bmp.h
index 80aaa4d..6cb0ff2 100644
--- a/include/tinyff/image/bmp.h
+++ b/include/tinyff/image/bmp.h
@@ -21,6 +21,8 @@ static const unsigned char BMP_SIGNATURE[2] = {
 };
 
 typedef struct {
+    FF_BASE
+    
     // Raw stream handle
     ff_stream *raw;
 
@@ -42,9 +44,6 @@ typedef struct {
     
     uint8_t* pixels;
     
-
-    bool valid;
-    ff_result last_error;
 } ff_bmp_ctx;
 
 typedef ff_result (*ff_bmp_section_handler_ptr)(uint8_t *buf, size_t len, ff_bmp_ctx* ctx);
diff --git a/include/tinyff/image/png.h b/include/tinyff/image/png.h
index 05d5846..6941b42 100644
--- a/include/tinyff/image/png.h
+++ b/include/tinyff/image/png.h
@@ -25,6 +25,8 @@ typedef enum {
 } ff_png_mode;
 
 typedef struct {
+    FF_BASE
+    
     // Raw stream handle
     ff_stream *raw;
 
@@ -52,9 +54,6 @@ typedef struct {
     uint8_t* palette;
     uint32_t palette_size;
 
-    bool valid;
-    ff_result last_error;
-
 } ff_png_ctx;
 
 // Small BpP helper function
-- 
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