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Diffstat (limited to 'pjlib/src/pj/file_io_win32.c')
-rw-r--r--pjlib/src/pj/file_io_win32.c406
1 files changed, 203 insertions, 203 deletions
diff --git a/pjlib/src/pj/file_io_win32.c b/pjlib/src/pj/file_io_win32.c
index 2f6e3cba..f7a4f162 100644
--- a/pjlib/src/pj/file_io_win32.c
+++ b/pjlib/src/pj/file_io_win32.c
@@ -1,203 +1,203 @@
-/* $Id$ */
-/*
- * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <pj/file_io.h>
-#include <pj/errno.h>
-#include <pj/assert.h>
-
-#include <windows.h>
-
-#ifndef INVALID_SET_FILE_POINTER
-# define INVALID_SET_FILE_POINTER ((DWORD)-1)
-#endif
-
-/**
- * Check for end-of-file condition on the specified descriptor.
- *
- * @param fd The file descriptor.
- * @param access The desired access.
- *
- * @return Non-zero if file is EOF.
- */
-PJ_DECL(pj_bool_t) pj_file_eof(pj_oshandle_t fd,
- enum pj_file_access access);
-
-
-PJ_DEF(pj_status_t) pj_file_open( pj_pool_t *pool,
- const char *pathname,
- unsigned flags,
- pj_oshandle_t *fd)
-{
- HANDLE hFile;
- DWORD dwDesiredAccess = 0;
- DWORD dwShareMode = 0;
- DWORD dwCreationDisposition = 0;
- DWORD dwFlagsAndAttributes = 0;
-
- PJ_UNUSED_ARG(pool);
-
- PJ_ASSERT_RETURN(pathname!=NULL, PJ_EINVAL);
-
- if ((flags & PJ_O_WRONLY) == PJ_O_WRONLY) {
- dwDesiredAccess |= GENERIC_WRITE;
- if ((flags & PJ_O_APPEND) == PJ_O_APPEND) {
- dwDesiredAccess |= FILE_APPEND_DATA;
- } else {
- dwDesiredAccess &= ~(FILE_APPEND_DATA);
- dwCreationDisposition |= CREATE_ALWAYS;
- }
- }
- if ((flags & PJ_O_RDONLY) == PJ_O_RDONLY) {
- dwDesiredAccess |= GENERIC_READ;
- if (flags == PJ_O_RDONLY)
- dwCreationDisposition |= OPEN_EXISTING;
- }
-
- if (dwDesiredAccess == 0) {
- pj_assert(!"Invalid file open flags");
- return PJ_EINVAL;
- }
-
- dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
- dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL;
-
- hFile = CreateFile(pathname, dwDesiredAccess, dwShareMode, NULL,
- dwCreationDisposition, dwFlagsAndAttributes, NULL);
- if (hFile == INVALID_HANDLE_VALUE) {
- *fd = 0;
- return PJ_RETURN_OS_ERROR(GetLastError());
- }
-
- *fd = hFile;
- return PJ_SUCCESS;
-}
-
-PJ_DEF(pj_status_t) pj_file_close(pj_oshandle_t fd)
-{
- if (CloseHandle(fd)==0)
- return PJ_RETURN_OS_ERROR(GetLastError());
- return PJ_SUCCESS;
-}
-
-PJ_DEF(pj_status_t) pj_file_write( pj_oshandle_t fd,
- const void *data,
- pj_ssize_t *size)
-{
- BOOL rc;
- DWORD bytesWritten;
-
- rc = WriteFile(fd, data, *size, &bytesWritten, NULL);
- if (!rc) {
- *size = -1;
- return PJ_RETURN_OS_ERROR(GetLastError());
- }
-
- *size = bytesWritten;
- return PJ_SUCCESS;
-}
-
-PJ_DEF(pj_status_t) pj_file_read( pj_oshandle_t fd,
- void *data,
- pj_ssize_t *size)
-{
- BOOL rc;
- DWORD bytesRead;
-
- rc = ReadFile(fd, data, *size, &bytesRead, NULL);
- if (!rc) {
- *size = -1;
- return PJ_RETURN_OS_ERROR(GetLastError());
- }
-
- *size = bytesRead;
- return PJ_SUCCESS;
-}
-
-/*
-PJ_DEF(pj_bool_t) pj_file_eof(pj_oshandle_t fd, enum pj_file_access access)
-{
- BOOL rc;
- DWORD dummy = 0, bytes;
- DWORD dwStatus;
-
- if ((access & PJ_O_RDONLY) == PJ_O_RDONLY) {
- rc = ReadFile(fd, &dummy, 0, &bytes, NULL);
- } else if ((access & PJ_O_WRONLY) == PJ_O_WRONLY) {
- rc = WriteFile(fd, &dummy, 0, &bytes, NULL);
- } else {
- pj_assert(!"Invalid access");
- return PJ_TRUE;
- }
-
- dwStatus = GetLastError();
- if (dwStatus==ERROR_HANDLE_EOF)
- return PJ_TRUE;
-
- return 0;
-}
-*/
-
-PJ_DEF(pj_status_t) pj_file_setpos( pj_oshandle_t fd,
- pj_off_t offset,
- enum pj_file_seek_type whence)
-{
- DWORD dwMoveMethod;
- DWORD dwNewPos;
- LONG hi32;
-
- if (whence == PJ_SEEK_SET)
- dwMoveMethod = FILE_BEGIN;
- else if (whence == PJ_SEEK_CUR)
- dwMoveMethod = FILE_CURRENT;
- else if (whence == PJ_SEEK_END)
- dwMoveMethod = FILE_END;
- else {
- pj_assert(!"Invalid whence in file_setpos");
- return PJ_EINVAL;
- }
-
- hi32 = (LONG)(offset >> 32);
- dwNewPos = SetFilePointer(fd, (long)offset, &hi32, dwMoveMethod);
- if (dwNewPos == (DWORD)INVALID_SET_FILE_POINTER) {
- DWORD dwStatus = GetLastError();
- if (dwStatus != 0)
- return PJ_RETURN_OS_ERROR(dwStatus);
- /* dwNewPos actually is not an error. */
- }
-
- return PJ_SUCCESS;
-}
-
-PJ_DEF(pj_status_t) pj_file_getpos( pj_oshandle_t fd,
- pj_off_t *pos)
-{
- LONG hi32 = 0;
- DWORD lo32;
-
- lo32 = SetFilePointer(fd, 0, &hi32, FILE_CURRENT);
- if (lo32 == (DWORD)INVALID_SET_FILE_POINTER) {
- DWORD dwStatus = GetLastError();
- if (dwStatus != 0)
- return PJ_RETURN_OS_ERROR(dwStatus);
- }
-
- *pos = hi32;
- *pos = (*pos << 32) + lo32;
- return PJ_SUCCESS;
-}
-
+/* $Id$ */
+/*
+ * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <pj/file_io.h>
+#include <pj/errno.h>
+#include <pj/assert.h>
+
+#include <windows.h>
+
+#ifndef INVALID_SET_FILE_POINTER
+# define INVALID_SET_FILE_POINTER ((DWORD)-1)
+#endif
+
+/**
+ * Check for end-of-file condition on the specified descriptor.
+ *
+ * @param fd The file descriptor.
+ * @param access The desired access.
+ *
+ * @return Non-zero if file is EOF.
+ */
+PJ_DECL(pj_bool_t) pj_file_eof(pj_oshandle_t fd,
+ enum pj_file_access access);
+
+
+PJ_DEF(pj_status_t) pj_file_open( pj_pool_t *pool,
+ const char *pathname,
+ unsigned flags,
+ pj_oshandle_t *fd)
+{
+ HANDLE hFile;
+ DWORD dwDesiredAccess = 0;
+ DWORD dwShareMode = 0;
+ DWORD dwCreationDisposition = 0;
+ DWORD dwFlagsAndAttributes = 0;
+
+ PJ_UNUSED_ARG(pool);
+
+ PJ_ASSERT_RETURN(pathname!=NULL, PJ_EINVAL);
+
+ if ((flags & PJ_O_WRONLY) == PJ_O_WRONLY) {
+ dwDesiredAccess |= GENERIC_WRITE;
+ if ((flags & PJ_O_APPEND) == PJ_O_APPEND) {
+ dwDesiredAccess |= FILE_APPEND_DATA;
+ } else {
+ dwDesiredAccess &= ~(FILE_APPEND_DATA);
+ dwCreationDisposition |= CREATE_ALWAYS;
+ }
+ }
+ if ((flags & PJ_O_RDONLY) == PJ_O_RDONLY) {
+ dwDesiredAccess |= GENERIC_READ;
+ if (flags == PJ_O_RDONLY)
+ dwCreationDisposition |= OPEN_EXISTING;
+ }
+
+ if (dwDesiredAccess == 0) {
+ pj_assert(!"Invalid file open flags");
+ return PJ_EINVAL;
+ }
+
+ dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
+ dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL;
+
+ hFile = CreateFile(pathname, dwDesiredAccess, dwShareMode, NULL,
+ dwCreationDisposition, dwFlagsAndAttributes, NULL);
+ if (hFile == INVALID_HANDLE_VALUE) {
+ *fd = 0;
+ return PJ_RETURN_OS_ERROR(GetLastError());
+ }
+
+ *fd = hFile;
+ return PJ_SUCCESS;
+}
+
+PJ_DEF(pj_status_t) pj_file_close(pj_oshandle_t fd)
+{
+ if (CloseHandle(fd)==0)
+ return PJ_RETURN_OS_ERROR(GetLastError());
+ return PJ_SUCCESS;
+}
+
+PJ_DEF(pj_status_t) pj_file_write( pj_oshandle_t fd,
+ const void *data,
+ pj_ssize_t *size)
+{
+ BOOL rc;
+ DWORD bytesWritten;
+
+ rc = WriteFile(fd, data, *size, &bytesWritten, NULL);
+ if (!rc) {
+ *size = -1;
+ return PJ_RETURN_OS_ERROR(GetLastError());
+ }
+
+ *size = bytesWritten;
+ return PJ_SUCCESS;
+}
+
+PJ_DEF(pj_status_t) pj_file_read( pj_oshandle_t fd,
+ void *data,
+ pj_ssize_t *size)
+{
+ BOOL rc;
+ DWORD bytesRead;
+
+ rc = ReadFile(fd, data, *size, &bytesRead, NULL);
+ if (!rc) {
+ *size = -1;
+ return PJ_RETURN_OS_ERROR(GetLastError());
+ }
+
+ *size = bytesRead;
+ return PJ_SUCCESS;
+}
+
+/*
+PJ_DEF(pj_bool_t) pj_file_eof(pj_oshandle_t fd, enum pj_file_access access)
+{
+ BOOL rc;
+ DWORD dummy = 0, bytes;
+ DWORD dwStatus;
+
+ if ((access & PJ_O_RDONLY) == PJ_O_RDONLY) {
+ rc = ReadFile(fd, &dummy, 0, &bytes, NULL);
+ } else if ((access & PJ_O_WRONLY) == PJ_O_WRONLY) {
+ rc = WriteFile(fd, &dummy, 0, &bytes, NULL);
+ } else {
+ pj_assert(!"Invalid access");
+ return PJ_TRUE;
+ }
+
+ dwStatus = GetLastError();
+ if (dwStatus==ERROR_HANDLE_EOF)
+ return PJ_TRUE;
+
+ return 0;
+}
+*/
+
+PJ_DEF(pj_status_t) pj_file_setpos( pj_oshandle_t fd,
+ pj_off_t offset,
+ enum pj_file_seek_type whence)
+{
+ DWORD dwMoveMethod;
+ DWORD dwNewPos;
+ LONG hi32;
+
+ if (whence == PJ_SEEK_SET)
+ dwMoveMethod = FILE_BEGIN;
+ else if (whence == PJ_SEEK_CUR)
+ dwMoveMethod = FILE_CURRENT;
+ else if (whence == PJ_SEEK_END)
+ dwMoveMethod = FILE_END;
+ else {
+ pj_assert(!"Invalid whence in file_setpos");
+ return PJ_EINVAL;
+ }
+
+ hi32 = (LONG)(offset >> 32);
+ dwNewPos = SetFilePointer(fd, (long)offset, &hi32, dwMoveMethod);
+ if (dwNewPos == (DWORD)INVALID_SET_FILE_POINTER) {
+ DWORD dwStatus = GetLastError();
+ if (dwStatus != 0)
+ return PJ_RETURN_OS_ERROR(dwStatus);
+ /* dwNewPos actually is not an error. */
+ }
+
+ return PJ_SUCCESS;
+}
+
+PJ_DEF(pj_status_t) pj_file_getpos( pj_oshandle_t fd,
+ pj_off_t *pos)
+{
+ LONG hi32 = 0;
+ DWORD lo32;
+
+ lo32 = SetFilePointer(fd, 0, &hi32, FILE_CURRENT);
+ if (lo32 == (DWORD)INVALID_SET_FILE_POINTER) {
+ DWORD dwStatus = GetLastError();
+ if (dwStatus != 0)
+ return PJ_RETURN_OS_ERROR(dwStatus);
+ }
+
+ *pos = hi32;
+ *pos = (*pos << 32) + lo32;
+ return PJ_SUCCESS;
+}
+