projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2f8d396b PT |
2 | /* |
| 3 | * Copyright 2008 Extreme Engineering Solutions, Inc. | |
| 4 | * | |
| 5 | * mmap/munmap implementation derived from: | |
| 6 | * Clamav Native Windows Port : mmap win32 compatibility layer | |
| 7 | * Copyright (c) 2005-2006 Gianluigi Tiesi <sherpya@netfarm.it> | |
| 8 | * Parts by Kees Zeelenberg <kzlg@users.sourceforge.net> (LibGW32C) | |
| 2f8d396b PT |
9 | */ |
| 10 | ||
| 11 | #include "mingw_support.h" | |
| 12 | #include <stdio.h> | |
| 13 | #include <stdint.h> | |
| faf36c14 | 14 | #include <string.h> |
| 2f8d396b | 15 | #include <errno.h> |
| faf36c14 | 16 | #include <assert.h> |
| 2f8d396b PT |
17 | #include <io.h> |
| 18 | ||
| 19 | int fsync(int fd) | |
| 20 | { | |
| 21 | return _commit(fd); | |
| 22 | } | |
| 23 | ||
| 24 | void *mmap(void *addr, size_t len, int prot, int flags, int fd, int offset) | |
| 25 | { | |
| 26 | void *map = NULL; | |
| 27 | HANDLE handle = INVALID_HANDLE_VALUE; | |
| 28 | DWORD cfm_flags = 0, mvf_flags = 0; | |
| 29 | ||
| 30 | switch (prot) { | |
| 31 | case PROT_READ | PROT_WRITE: | |
| 32 | cfm_flags = PAGE_READWRITE; | |
| 33 | mvf_flags = FILE_MAP_ALL_ACCESS; | |
| 34 | break; | |
| 35 | case PROT_WRITE: | |
| 36 | cfm_flags = PAGE_READWRITE; | |
| 37 | mvf_flags = FILE_MAP_WRITE; | |
| 38 | break; | |
| 39 | case PROT_READ: | |
| 40 | cfm_flags = PAGE_READONLY; | |
| 41 | mvf_flags = FILE_MAP_READ; | |
| 42 | break; | |
| 43 | default: | |
| 44 | return MAP_FAILED; | |
| 45 | } | |
| 46 | ||
| 47 | handle = CreateFileMappingA((HANDLE) _get_osfhandle(fd), NULL, | |
| 48 | cfm_flags, HIDWORD(len), LODWORD(len), NULL); | |
| 49 | if (!handle) | |
| 50 | return MAP_FAILED; | |
| 51 | ||
| 52 | map = MapViewOfFile(handle, mvf_flags, HIDWORD(offset), | |
| 53 | LODWORD(offset), len); | |
| 54 | CloseHandle(handle); | |
| 55 | ||
| 56 | if (!map) | |
| 57 | return MAP_FAILED; | |
| 58 | ||
| 59 | return map; | |
| 60 | } | |
| 61 | ||
| 62 | int munmap(void *addr, size_t len) | |
| 63 | { | |
| 64 | if (!UnmapViewOfFile(addr)) | |
| 65 | return -1; | |
| 66 | ||
| 67 | return 0; | |
| 68 | } | |
| faf36c14 RB |
69 | |
| 70 | /* Reentrant string tokenizer. Generic version. | |
| 71 | Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc. | |
| 72 | This file is part of the GNU C Library. | |
| 1a459660 | 73 | */ |
| faf36c14 RB |
74 | |
| 75 | /* Parse S into tokens separated by characters in DELIM. | |
| 76 | If S is NULL, the saved pointer in SAVE_PTR is used as | |
| 77 | the next starting point. For example: | |
| 78 | char s[] = "-abc-=-def"; | |
| 79 | char *sp; | |
| 80 | x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def" | |
| 81 | x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL | |
| 82 | x = strtok_r(NULL, "=", &sp); // x = NULL | |
| 83 | // s = "abc\0-def\0" | |
| 84 | */ | |
| 85 | char *strtok_r(char *s, const char *delim, char **save_ptr) | |
| 86 | { | |
| 87 | char *token; | |
| 88 | ||
| 89 | if (s == NULL) | |
| 90 | s = *save_ptr; | |
| 91 | ||
| 92 | /* Scan leading delimiters. */ | |
| 93 | s += strspn(s, delim); | |
| 94 | if (*s == '\0') { | |
| 95 | *save_ptr = s; | |
| 96 | return NULL; | |
| 97 | } | |
| 98 | ||
| 99 | /* Find the end of the token. */ | |
| 100 | token = s; | |
| 101 | s = strpbrk (token, delim); | |
| 102 | if (s == NULL) { | |
| 103 | /* This token finishes the string. */ | |
| 104 | *save_ptr = memchr(token, '\0', strlen(token)); | |
| 105 | } else { | |
| 106 | /* Terminate the token and make *SAVE_PTR point past it. */ | |
| 107 | *s = '\0'; | |
| 108 | *save_ptr = s + 1; | |
| 109 | } | |
| 110 | return token; | |
| 111 | } | |
| 112 | ||
| 64b15021 | 113 | #include "getline.c" |