Extract memory.c from misc2.c

src/memory.h

@@ -0,0 +1,38 @@
+#ifndef NEOVIM_MEMORY_H
+#define NEOVIM_MEMORY_H
+
+#include "func_attr.h"
+
+char_u *alloc(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
+char_u *alloc_clear(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
+char_u *alloc_check(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
+char_u *lalloc_clear(long_u size, int message) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
+
+/// malloc() wrapper
+///
+/// xmalloc() succeeds or gracefully aborts when out of memory.
+/// Before aborting try to free some memory and call malloc again.
+///
+/// @see {try_to_free_memory}
+/// @param size
+/// @return pointer to allocated space. Never NULL
+void *xmalloc(size_t size)
+  FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1) FUNC_ATTR_NONNULL_RET;
+
+/// realloc() wrapper
+///
+/// @see {xmalloc}
+/// @param size
+/// @return pointer to reallocated space. Never NULL
+void *xrealloc(void *ptr, size_t size)
+  FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALLOC_SIZE(2) FUNC_ATTR_NONNULL_RET;
+
+/// Old low level memory allocation function.
+///
+/// @deprecated use xmalloc() directly instead
+/// @param size
+/// @return pointer to allocated space. Never NULL
+char_u *lalloc(long_u size, int message) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
+void do_outofmem_msg(long_u size);
+void free_all_mem(void);
+#endif