1 files changed, 20 insertions, 22 deletions
diff --git a/src/nvim/memory.h b/src/nvim/memory.h
index 5b9798dc0d..ffdc4c7366 100644
--- a/src/nvim/memory.h
+++ b/src/nvim/memory.h
@@ -1,12 +1,12 @@
-#ifndef NVIM_MEMORY_H
-#define NVIM_MEMORY_H
+#pragma once
 
 #include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <time.h>
+#include <stdint.h>  // IWYU pragma: keep
+#include <time.h>  // IWYU pragma: keep
 
-#include "nvim/macros.h"
+#include "auto/config.h"
+#include "nvim/macros_defs.h"
+#include "nvim/memory_defs.h"  // IWYU pragma: export
 
 /// `malloc()` function signature
 typedef void *(*MemMalloc)(size_t);
@@ -39,21 +39,7 @@ extern MemRealloc mem_realloc;
 extern bool entered_free_all_mem;
 #endif
 
-EXTERN size_t arena_alloc_count INIT(= 0);
-
-typedef struct consumed_blk {
-  struct consumed_blk *prev;
-} *ArenaMem;
-
-#define ARENA_ALIGN MAX(sizeof(void *), sizeof(double))
-
-typedef struct {
-  char *cur_blk;
-  size_t pos, size;
-} Arena;
-
-// inits an empty arena.
-#define ARENA_EMPTY { .cur_blk = NULL, .pos = 0, .size = 0 }
+EXTERN size_t arena_alloc_count INIT( = 0);
 
 #define kv_fixsize_arena(a, v, s) \
   ((v).capacity = (s), \
@@ -73,4 +59,16 @@ typedef struct {
     (void)(*ptr_); \
   } while (0)
 
-#endif  // NVIM_MEMORY_H
+#define CLEAR_FIELD(field)  memset(&(field), 0, sizeof(field))
+#define CLEAR_POINTER(ptr)  memset((ptr), 0, sizeof(*(ptr)))
+
+#ifndef HAVE_STRNLEN
+# define strnlen xstrnlen  // Older versions of SunOS may not have strnlen
+#endif
+
+#define STRCPY(d, s)        strcpy((char *)(d), (char *)(s))  // NOLINT(runtime/printf)
+
+// Like strcpy() but allows overlapped source and destination.
+#define STRMOVE(d, s)       memmove((d), (s), strlen(s) + 1)
+
+#define STRCAT(d, s)        strcat((char *)(d), (char *)(s))  // NOLINT(runtime/printf)