From 45d6379135504814ab723b57f0eb8be23393a51d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 09:24:22 +0200 Subject: Adding upstream version 1:9.16.44. Signed-off-by: Daniel Baumann --- lib/isc/win32/stdio.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 lib/isc/win32/stdio.c (limited to 'lib/isc/win32/stdio.c') diff --git a/lib/isc/win32/stdio.c b/lib/isc/win32/stdio.c new file mode 100644 index 0000000..1e55c30 --- /dev/null +++ b/lib/isc/win32/stdio.c @@ -0,0 +1,158 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#include +#include +#include +#include + +#include +#include + +#include "errno2result.h" + +isc_result_t +isc_stdio_open(const char *filename, const char *mode, FILE **fp) { + FILE *f; + + f = fopen(filename, mode); + if (f == NULL) { + return (isc__errno2result(errno)); + } + *fp = f; + return (ISC_R_SUCCESS); +} + +isc_result_t +isc_stdio_close(FILE *f) { + int r; + + r = fclose(f); + if (r == 0) { + return (ISC_R_SUCCESS); + } else { + return (isc__errno2result(errno)); + } +} + +isc_result_t +isc_stdio_seek(FILE *f, off_t offset, int whence) { + int r; + +#ifndef _WIN64 + r = fseek(f, offset, whence); +#else /* ifndef _WIN64 */ + r = _fseeki64(f, offset, whence); +#endif /* ifndef _WIN64 */ + if (r == 0) { + return (ISC_R_SUCCESS); + } else { + return (isc__errno2result(errno)); + } +} + +isc_result_t +isc_stdio_tell(FILE *f, off_t *offsetp) { +#ifndef _WIN64 + long r; +#else /* ifndef _WIN64 */ + __int64 r; +#endif /* ifndef _WIN64 */ + + REQUIRE(offsetp != NULL); + +#ifndef _WIN64 + r = ftell(f); +#else /* ifndef _WIN64 */ + r = _ftelli64(f); +#endif /* ifndef _WIN64 */ + if (r >= 0) { + *offsetp = r; + return (ISC_R_SUCCESS); + } else { + return (isc__errno2result(errno)); + } +} + +isc_result_t +isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret) { + isc_result_t result = ISC_R_SUCCESS; + size_t r; + + clearerr(f); + r = fread(ptr, size, nmemb, f); + if (r != nmemb) { + if (feof(f)) { + result = ISC_R_EOF; + } else { + result = isc__errno2result(errno); + } + } + if (nret != NULL) { + *nret = r; + } + return (result); +} + +isc_result_t +isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f, + size_t *nret) { + isc_result_t result = ISC_R_SUCCESS; + size_t r; + + clearerr(f); + r = fwrite(ptr, size, nmemb, f); + if (r != nmemb) { + result = isc__errno2result(errno); + } + if (nret != NULL) { + *nret = r; + } + return (result); +} + +isc_result_t +isc_stdio_flush(FILE *f) { + int r; + + r = fflush(f); + if (r == 0) { + return (ISC_R_SUCCESS); + } else { + return (isc__errno2result(errno)); + } +} + +isc_result_t +isc_stdio_sync(FILE *f) { + struct _stat buf; + int r; + + if (_fstat(_fileno(f), &buf) != 0) { + return (isc__errno2result(errno)); + } + + /* + * Only call _commit() on regular files. + */ + if ((buf.st_mode & S_IFMT) != S_IFREG) { + return (ISC_R_SUCCESS); + } + + r = _commit(_fileno(f)); + if (r == 0) { + return (ISC_R_SUCCESS); + } else { + return (isc__errno2result(errno)); + } +} -- cgit v1.2.3