Update Files

Kinc/Sources/kinc/libs/plat/windows/windows-file.c

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+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "private-lib-core.h"
+
+int lws_plat_apply_FD_CLOEXEC(int n)
+{
+	return 0;
+}
+
+lws_fop_fd_t
+_lws_plat_file_open(const struct lws_plat_file_ops *fops_own,
+		    const struct lws_plat_file_ops *fops, const char *filename,
+		    const char *vpath, lws_fop_flags_t *flags)
+{
+	HANDLE ret;
+	WCHAR buf[MAX_PATH];
+	lws_fop_fd_t fop_fd;
+	LARGE_INTEGER llFileSize = {0};
+
+	MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, LWS_ARRAY_SIZE(buf));
+	if (((*flags) & 7) == _O_RDONLY)
+		ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
+				  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+	else
+		ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
+				  CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+
+	if (ret == INVALID_HANDLE_VALUE)
+		goto bail;
+
+	fop_fd = malloc(sizeof(*fop_fd));
+	if (!fop_fd)
+		goto bail;
+
+	fop_fd->fops = fops;
+#if defined(__MINGW32__)
+	/* we use filesystem_priv */
+	fop_fd->fd = (int)(intptr_t)ret;
+#else
+	fop_fd->fd = ret;
+#endif
+	fop_fd->filesystem_priv = ret;
+	fop_fd->flags = *flags;
+	fop_fd->len = GetFileSize(ret, NULL);
+	if(GetFileSizeEx(ret, &llFileSize))
+		fop_fd->len = llFileSize.QuadPart;
+
+	fop_fd->pos = 0;
+
+	return fop_fd;
+
+bail:
+	return NULL;
+}
+
+int
+_lws_plat_file_close(lws_fop_fd_t *fop_fd)
+{
+	HANDLE fd = (*fop_fd)->filesystem_priv;
+
+	free(*fop_fd);
+	*fop_fd = NULL;
+
+	CloseHandle((HANDLE)fd);
+
+	return 0;
+}
+
+lws_fileofs_t
+_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
+{
+	LARGE_INTEGER l;
+
+	l.QuadPart = offset;
+	if (!SetFilePointerEx((HANDLE)fop_fd->filesystem_priv, l, NULL, FILE_CURRENT))
+	{
+		lwsl_err("error seeking from cur %ld, offset %ld\n", (long)fop_fd->pos, (long)offset);
+		return -1;
+	}
+
+	LARGE_INTEGER zero;
+	zero.QuadPart = 0;
+	LARGE_INTEGER newPos;
+	if (!SetFilePointerEx((HANDLE)fop_fd->filesystem_priv, zero, &newPos, FILE_CURRENT))
+	{
+		lwsl_err("error seeking from cur %ld, offset %ld\n", (long)fop_fd->pos, (long)offset);
+		return -1;
+	}
+	fop_fd->pos = newPos.QuadPart;
+
+	return newPos.QuadPart;
+}
+
+int
+_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		    uint8_t *buf, lws_filepos_t len)
+{
+	DWORD _amount;
+
+	if (!ReadFile((HANDLE)fop_fd->filesystem_priv, buf, (DWORD)len, &_amount, NULL)) {
+		*amount = 0;
+
+		return 1;
+	}
+
+	fop_fd->pos += _amount;
+	*amount = (unsigned long)_amount;
+
+	return 0;
+}
+
+int
+_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+			 uint8_t* buf, lws_filepos_t len)
+{
+	DWORD _amount;
+
+	if (!WriteFile((HANDLE)fop_fd->filesystem_priv, buf, (DWORD)len, &_amount, NULL)) {
+		*amount = 0;
+
+		return 1;
+	}
+
+	fop_fd->pos += _amount;
+	*amount = (unsigned long)_amount;
+
+	return 0;
+}
+
+
+int
+lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
+			size_t len)
+{
+	int n;
+
+	n = (int)write(fd, buf, (unsigned int)len);
+
+	lseek(fd, 0, SEEK_SET);
+
+	return (size_t)n != len;
+}
+
+int
+lws_plat_write_file(const char *filename, void *buf, size_t len)
+{
+	int m, fd;
+
+	fd = lws_open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+
+	if (fd == -1)
+		return -1;
+
+	m = (int)write(fd, buf, (unsigned int)len);
+	close(fd);
+
+	return (size_t)m != len;
+}
+
+int
+lws_plat_read_file(const char *filename, void *buf, size_t len)
+{
+	int n, fd = lws_open(filename, O_RDONLY);
+	if (fd == -1)
+		return -1;
+
+	n = (int)read(fd, buf, (unsigned int)len);
+	close(fd);
+
+	return n;
+}
+