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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 07:24:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 07:24:22 +0000
commit45d6379135504814ab723b57f0eb8be23393a51d (patch)
treed4f2ec4acca824a8446387a758b0ce4238a4dffa /lib/isc/win32/stdio.c
parentInitial commit. (diff)
downloadbind9-45d6379135504814ab723b57f0eb8be23393a51d.tar.xz
bind9-45d6379135504814ab723b57f0eb8be23393a51d.zip
Adding upstream version 1:9.16.44.upstream/1%9.16.44
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/isc/win32/stdio.c')
-rw-r--r--lib/isc/win32/stdio.c158
1 files changed, 158 insertions, 0 deletions
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 <errno.h>
+#include <io.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <isc/stdio.h>
+#include <isc/util.h>
+
+#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));
+ }
+}