mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-25 11:38:29 +00:00
056e133c4c
The command used to reformat the files in this commit was: ./util/run-clang-tidy \ -clang-tidy-binary clang-tidy-11 -clang-apply-replacements-binary clang-apply-replacements-11 \ -checks=-*,readability-braces-around-statements \ -j 9 \ -fix \ -format \ -style=file \ -quiet clang-format -i --style=format $(git ls-files '*.c' '*.h') uncrustify -c .uncrustify.cfg --replace --no-backup $(git ls-files '*.c' '*.h') clang-format -i --style=format $(git ls-files '*.c' '*.h')
159 lines
2.7 KiB
C
159 lines
2.7 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <errno.h>
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#include <unistd.h>
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#include <isc/stat.h>
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#include <isc/stdio.h>
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#include <isc/util.h>
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#include "errno2result.h"
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isc_result_t
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isc_stdio_open(const char *filename, const char *mode, FILE **fp)
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{
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FILE *f;
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f = fopen(filename, mode);
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if (f == NULL) {
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return (isc__errno2result(errno));
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}
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*fp = f;
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return (ISC_R_SUCCESS);
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}
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isc_result_t
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isc_stdio_close(FILE *f)
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{
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int r;
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r = fclose(f);
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if (r == 0) {
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return (ISC_R_SUCCESS);
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} else {
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return (isc__errno2result(errno));
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}
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}
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isc_result_t
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isc_stdio_seek(FILE *f, off_t offset, int whence)
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{
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int r;
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r = fseeko(f, offset, whence);
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if (r == 0) {
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return (ISC_R_SUCCESS);
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} else {
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return (isc__errno2result(errno));
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}
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}
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isc_result_t
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isc_stdio_tell(FILE *f, off_t *offsetp)
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{
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off_t r;
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REQUIRE(offsetp != NULL);
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r = ftello(f);
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if (r >= 0) {
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*offsetp = r;
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return (ISC_R_SUCCESS);
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} else {
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return (isc__errno2result(errno));
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}
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}
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isc_result_t
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isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret)
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{
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isc_result_t result = ISC_R_SUCCESS;
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size_t r;
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clearerr(f);
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r = fread(ptr, size, nmemb, f);
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if (r != nmemb) {
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if (feof(f)) {
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result = ISC_R_EOF;
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} else {
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result = isc__errno2result(errno);
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}
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}
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if (nret != NULL) {
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*nret = r;
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}
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return (result);
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}
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isc_result_t
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isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f,
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size_t *nret)
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{
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isc_result_t result = ISC_R_SUCCESS;
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size_t r;
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clearerr(f);
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r = fwrite(ptr, size, nmemb, f);
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if (r != nmemb) {
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result = isc__errno2result(errno);
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}
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if (nret != NULL) {
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*nret = r;
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}
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return (result);
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}
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isc_result_t
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isc_stdio_flush(FILE *f)
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{
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int r;
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r = fflush(f);
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if (r == 0) {
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return (ISC_R_SUCCESS);
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} else {
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return (isc__errno2result(errno));
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}
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}
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/*
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* OpenBSD has deprecated ENOTSUP in favor of EOPNOTSUPP.
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*/
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#if defined(EOPNOTSUPP) && !defined(ENOTSUP)
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#define ENOTSUP EOPNOTSUPP
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#endif /* if defined(EOPNOTSUPP) && !defined(ENOTSUP) */
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isc_result_t
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isc_stdio_sync(FILE *f)
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{
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struct stat buf;
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int r;
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if (fstat(fileno(f), &buf) != 0) {
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return (isc__errno2result(errno));
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}
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/*
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* Only call fsync() on regular files.
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*/
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if ((buf.st_mode & S_IFMT) != S_IFREG) {
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return (ISC_R_SUCCESS);
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}
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r = fsync(fileno(f));
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if (r == 0) {
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return (ISC_R_SUCCESS);
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} else {
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return (isc__errno2result(errno));
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}
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}
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