Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / tools / mingw_support.c

diff --git a/qemu/roms/u-boot/tools/mingw_support.c b/qemu/roms/u-boot/tools/mingw_support.c
new file mode 100644 (file)
index 0000000..95c4db8
--- /dev/null
+++ b/qemu/roms/u-boot/tools/mingw_support.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * mmap/munmap implementation derived from:
+ * Clamav Native Windows Port : mmap win32 compatibility layer
+ * Copyright (c) 2005-2006 Gianluigi Tiesi <sherpya@netfarm.it>
+ * Parts by Kees Zeelenberg <kzlg@users.sourceforge.net> (LibGW32C)
+ *
+ * SPDX-License-Identifier:    LGPL-2.0+
+ */
+
+#include "mingw_support.h"
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <io.h>
+
+int fsync(int fd)
+{
+       return _commit(fd);
+}
+
+void *mmap(void *addr, size_t len, int prot, int flags, int fd, int offset)
+{
+       void *map = NULL;
+       HANDLE handle = INVALID_HANDLE_VALUE;
+       DWORD cfm_flags = 0, mvf_flags = 0;
+
+       switch (prot) {
+       case PROT_READ | PROT_WRITE:
+               cfm_flags = PAGE_READWRITE;
+               mvf_flags = FILE_MAP_ALL_ACCESS;
+               break;
+       case PROT_WRITE:
+               cfm_flags = PAGE_READWRITE;
+               mvf_flags = FILE_MAP_WRITE;
+               break;
+       case PROT_READ:
+               cfm_flags = PAGE_READONLY;
+               mvf_flags = FILE_MAP_READ;
+               break;
+       default:
+               return MAP_FAILED;
+       }
+
+       handle = CreateFileMappingA((HANDLE) _get_osfhandle(fd), NULL,
+                               cfm_flags, HIDWORD(len), LODWORD(len), NULL);
+       if (!handle)
+               return MAP_FAILED;
+
+       map = MapViewOfFile(handle, mvf_flags, HIDWORD(offset),
+                       LODWORD(offset), len);
+       CloseHandle(handle);
+
+       if (!map)
+               return MAP_FAILED;
+
+       return map;
+}
+
+int munmap(void *addr, size_t len)
+{
+       if (!UnmapViewOfFile(addr))
+               return -1;
+
+       return 0;
+}
+
+/* Reentrant string tokenizer.  Generic version.
+   Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+  * SPDX-License-Identifier:   GPL-2.0+
+ */
+
+/* Parse S into tokens separated by characters in DELIM.
+   If S is NULL, the saved pointer in SAVE_PTR is used as
+   the next starting point.  For example:
+       char s[] = "-abc-=-def";
+       char *sp;
+       x = strtok_r(s, "-", &sp);      // x = "abc", sp = "=-def"
+       x = strtok_r(NULL, "-=", &sp);  // x = "def", sp = NULL
+       x = strtok_r(NULL, "=", &sp);   // x = NULL
+               // s = "abc\0-def\0"
+*/
+char *strtok_r(char *s, const char *delim, char **save_ptr)
+{
+       char *token;
+
+       if (s == NULL)
+               s = *save_ptr;
+
+       /* Scan leading delimiters.  */
+       s += strspn(s, delim);
+       if (*s == '\0') {
+               *save_ptr = s;
+               return NULL;
+       }
+
+       /* Find the end of the token.  */
+       token = s;
+       s = strpbrk (token, delim);
+       if (s == NULL) {
+               /* This token finishes the string.  */
+               *save_ptr = memchr(token, '\0', strlen(token));
+       } else {
+               /* Terminate the token and make *SAVE_PTR point past it.  */
+               *s = '\0';
+               *save_ptr = s + 1;
+       }
+       return token;
+}
+
+#include "getline.c"