diff options
Diffstat (limited to 'roms/u-boot-sam460ex/tools/mingw_support.c')
-rw-r--r-- | roms/u-boot-sam460ex/tools/mingw_support.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/tools/mingw_support.c b/roms/u-boot-sam460ex/tools/mingw_support.c new file mode 100644 index 000000000..18b69bb27 --- /dev/null +++ b/roms/u-boot-sam460ex/tools/mingw_support.c @@ -0,0 +1,139 @@ +/* + * 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) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this software; if not, write to the + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* 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" |