From 797bcf9acac3e6941bd8d2cb96395613ebcfbc8d Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Sat, 30 Jun 2018 14:20:55 +0300
Subject: [PATCH] mdbx: add mdbx_removefile().

Change-Id: I985926bdef28387d5872317a3ecf47953ce4812c
---
 src/osal.c | 7 +++++++
 src/osal.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/osal.c b/src/osal.c
index 37a9c2d3..c2fced0b 100644
--- a/src/osal.c
+++ b/src/osal.c
@@ -408,6 +408,13 @@ int mdbx_fastmutex_release(mdbx_fastmutex_t *fastmutex) {
 
 /*----------------------------------------------------------------------------*/
 
+int mdbx_removefile(const char *pathname) {
+#if defined(_WIN32) || defined(_WIN64)
+  return DeleteFileA(pathname) ? MDBX_SUCCESS : GetLastError();
+#else
+  return unlink(pathname) ? errno : MDBX_SUCCESS;
+#endif
+}
 int mdbx_openfile(const char *pathname, int flags, mode_t mode,
                   mdbx_filehandle_t *fd, bool exclusive) {
   *fd = INVALID_HANDLE_VALUE;
diff --git a/src/osal.h b/src/osal.h
index 5c74fd93..daa79064 100644
--- a/src/osal.h
+++ b/src/osal.h
@@ -479,6 +479,7 @@ int mdbx_filesize(mdbx_filehandle_t fd, uint64_t *length);
 int mdbx_openfile(const char *pathname, int flags, mode_t mode,
                   mdbx_filehandle_t *fd, bool exclusive);
 int mdbx_closefile(mdbx_filehandle_t fd);
+int mdbx_removefile(const char *pathname);
 
 typedef struct mdbx_mmap_param {
   union {