fix: Resolve MinGW build failures with proper header organization and…

… memory barriers

Co-Authored-By: Matt Wong <[email protected]>

app/sheet/handlers_internal.h

@@ -1,6 +1,8 @@
 #ifndef ZSVSHEET_HANDLER_INTERNAL_H
 #define ZSVSHEET_HANDLER_INTERNAL_H
 
+#include "ui_buffer.h"  // Include this first for all required types
+
 struct zsvsheet_context {
   const char *subcommand_value; // e.g. "/path/to/myfile.csv"
   int ch;                       // key press value from getch()
@@ -120,23 +122,8 @@ zsvsheet_status zsvsheet_register_command(int ch, const char *long_name,
  */
 enum zsvsheet_status zsvsheet_push_transformation(zsvsheet_proc_context_t ctx,
                                                   struct zsvsheet_buffer_transformation_opts opts);
-#endif
-
-/**
- * Get information about the buffer's flags and state
- */
-struct zsvsheet_buffer_info {
-  char has_row_num;
-  size_t rownum_col_offset;
-};
-
-/**
- * Get internal information about the buffer's state
- */
-struct zsvsheet_buffer_info_internal {
-  struct zsvsheet_flags flags;
-  struct zsvsheet_dimensions dimensions;
-};
 
 /** cell formatting **/
 zsvsheet_cell_attr_t zsvsheet_cell_profile_attrs(enum zsvsheet_cell_profile_t);
+
+#endif /* ZSVSHEET_HANDLER_INTERNAL_H */

app/sheet/sheet_internal.h

@@ -1,12 +1,11 @@
 #ifndef ZSVSHEET_INTERNAL_H
 #define ZSVSHEET_INTERNAL_H
 
+#include "ui_buffer.h"
+
 #define ZSVSHEET_ROWNUM_HEADER "Row #"
 #define ZSVSHEET_ROWNUM_HEADER_LEN strlen(ZSVSHEET_ROWNUM_HEADER)
 
-// Forward declaration
-struct zsvsheet_ui_flags;
-
 enum zsvsheet_priv_status {
   zsvsheet_priv_status_ok = 0,
   zsvsheet_priv_status_memory,
@@ -28,13 +27,10 @@ struct zsvsheet_display_dimensions {
   size_t footer_span;
 };
 
-// Forward declaration of zsv_index
-struct zsv_index;
-
 struct zsvsheet_buffer_info_internal {
   struct zsvsheet_ui_flags flags;
   struct zsv_index *index;
-  struct zsvsheet_input_dimensions dimensions;
+  struct zsvsheet_dimensions dimensions;
 };
 
 #endif

app/sheet/ui_buffer.h

@@ -8,6 +8,18 @@
 // Forward declarations
 struct zsv_index;
 struct zsvsheet_input_dimensions;
+struct zsvsheet_dimensions;
+struct zsvsheet_proc_context;
+struct zsv_opts;
+typedef struct zsvsheet_cell_attr *zsvsheet_cell_attr_t;
+enum zsv_ext_status;
+enum zsvsheet_status;
+
+// Common type definitions
+struct zsvsheet_dimensions {
+  size_t rows;
+  size_t cols;
+};
 
 // Bit positions for flags
 #define INDEX_READY_BIT 0
@@ -20,36 +32,39 @@ struct zsvsheet_input_dimensions;
 #define WORKER_ACTIVE_BIT 7
 #define WORKER_CANCELLED_BIT 8
 
+// Flag structure for atomic operations
+struct zsvsheet_ui_flags {
+  _Alignas(sizeof(atomic_uchar)) volatile atomic_uchar flags[2]; // Using 2 bytes to accommodate all bits
+};
+
+// Row/column position structure
+struct zsvsheet_rowcol {
+  size_t row;
+  size_t col;
+};
+
+// Buffer structure forward declaration
+struct zsvsheet_ui_buffer;
+typedef struct zsvsheet_ui_buffer *zsvsheet_ui_buffer_t;
+
 // Atomic bit field operations
 static inline void atomic_set_bit(volatile atomic_uchar *addr, int bit) {
+  atomic_thread_fence(memory_order_acquire);
   atomic_fetch_or_explicit(addr, 1U << bit, memory_order_release);
+  atomic_thread_fence(memory_order_release);
 }
 
 static inline void atomic_clear_bit(volatile atomic_uchar *addr, int bit) {
+  atomic_thread_fence(memory_order_acquire);
   atomic_fetch_and_explicit(addr, ~(1U << bit), memory_order_release);
+  atomic_thread_fence(memory_order_release);
 }
 
 static inline int atomic_test_bit(const volatile atomic_uchar *addr, int bit) {
+  atomic_thread_fence(memory_order_acquire);
   return !!(atomic_load_explicit((volatile atomic_uchar *)addr, memory_order_acquire) & (1U << bit));
 }
 
-// Flag structure for atomic operations
-struct zsvsheet_ui_flags {
-  volatile atomic_uchar flags[2]; // Using 2 bytes to accommodate all bits
-};
-
-#include "sheet_internal.h"
-
-// Buffer structure forward declaration
-struct zsvsheet_ui_buffer;
-typedef struct zsvsheet_ui_buffer *zsvsheet_ui_buffer_t;
-
-// Row/column position structure
-struct zsvsheet_rowcol {
-  size_t row;
-  size_t col;
-};
-
 // Buffer structure definition
 struct zsvsheet_ui_buffer {
   struct zsvsheet_ui_flags flags;
@@ -69,7 +84,7 @@ struct zsvsheet_ui_buffer {
   struct zsvsheet_rowcol buff_offset;
   void *buffer; // screen buffer
   enum zsv_ext_status (*get_cell_attrs)(void *ext_ctx, zsvsheet_cell_attr_t *, size_t start_row, size_t row_count,
-                                        size_t col_count);
+                                       size_t col_count);
   zsvsheet_status (*on_newline)(struct zsvsheet_proc_context *);
 };