diff options
Diffstat (limited to 'pjlib/src/pj/file_io_win32.c')
-rw-r--r-- | pjlib/src/pj/file_io_win32.c | 309 |
1 files changed, 165 insertions, 144 deletions
diff --git a/pjlib/src/pj/file_io_win32.c b/pjlib/src/pj/file_io_win32.c index d9908410..d90f5f4c 100644 --- a/pjlib/src/pj/file_io_win32.c +++ b/pjlib/src/pj/file_io_win32.c @@ -1,13 +1,34 @@ -/* $Id$ */ -#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 +/* $Id$ */
+/*
+ * PJLIB - PJ Foundation Library
+ * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
+ *
+ * Author:
+ * Benny Prijono <bennylp@bulukucing.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; 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.
@@ -19,97 +40,97 @@ */
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 { +
+
+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; -} +
+ 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)
@@ -134,53 +155,53 @@ PJ_DEF(pj_bool_t) pj_file_eof(pj_oshandle_t fd, enum pj_file_access access) 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; -} - +
+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;
+}
+
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