From 8b9a895e4425462787aba1b9b0b55495880fe707 Mon Sep 17 00:00:00 2001 From: Thomas Ulmer Date: Mon, 2 Mar 2026 20:03:16 -0800 Subject: move vi to separate repo --- src/vi/ex-070224/brk_shim.c | 44 -------------------------------------------- 1 file changed, 44 deletions(-) delete mode 100644 src/vi/ex-070224/brk_shim.c (limited to 'src/vi/ex-070224/brk_shim.c') diff --git a/src/vi/ex-070224/brk_shim.c b/src/vi/ex-070224/brk_shim.c deleted file mode 100644 index 1680a18..0000000 --- a/src/vi/ex-070224/brk_shim.c +++ /dev/null @@ -1,44 +0,0 @@ -#include "brk_shim.h" - -#include - -/* - * The idea is to just allocate a large buffer and rely on lazy page - * loading to not use more physical memory than necessary. - */ - -#ifdef LARGEF -#define SHIMSIZE 0x4000000 -/* 64MB */ -#else -#define SHIMSIZE 0x200000 -/* 2MB */ -#endif - -static char shim_space[SHIMSIZE]; -static intptr_t shim_size = 0; - -void *shim_sbrk(intptr_t increment) { - void* current = (void*)(shim_space + shim_size); - shim_size += increment; - if (shim_size < 0) { - shim_size = 0; - return (void*)-1; - } else if (shim_size > SHIMSIZE) { - shim_size = SHIMSIZE; - return (void*)-1; - } - return current; -} - -int shim_brk(void* addr) { - if (addr < (void*)shim_space || - addr > (void*)(shim_space + SHIMSIZE)) { - errno = EINVAL; - return -1; - } - shim_size = ((void*)shim_space) - addr; - return 0; -} - - -- cgit v1.2.3