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Diffstat (limited to 'src/vi/ex-070224/brk_shim.c')
-rw-r--r--src/vi/ex-070224/brk_shim.c44
1 files changed, 0 insertions, 44 deletions
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 <errno.h>
-
-/*
- * 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;
-}
-
-