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Diffstat (limited to 'lib/win32/glib-2.20.4/glib/gmappedfile.c')
-rw-r--r--lib/win32/glib-2.20.4/glib/gmappedfile.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/lib/win32/glib-2.20.4/glib/gmappedfile.c b/lib/win32/glib-2.20.4/glib/gmappedfile.c
deleted file mode 100644
index 1220f410ef..0000000000
--- a/lib/win32/glib-2.20.4/glib/gmappedfile.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/* GLIB - Library of useful routines for C programming
- * gmappedfile.c: Simplified wrapper around the mmap() function.
- *
- * Copyright 2005 Matthias Clasen
- *
- * 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 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 "config.h"
-
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_MMAP
-#include <sys/mman.h>
-#endif
-
-#include "glibconfig.h"
-
-#ifdef G_OS_WIN32
-#include <windows.h>
-#include <io.h>
-#endif
-
-#include "gconvert.h"
-#include "gerror.h"
-#include "gfileutils.h"
-#include "gmappedfile.h"
-#include "gmem.h"
-#include "gmessages.h"
-#include "gstdio.h"
-#include "gstrfuncs.h"
-
-#include "glibintl.h"
-
-#include "galias.h"
-
-#ifndef _O_BINARY
-#define _O_BINARY 0
-#endif
-
-#ifndef MAP_FAILED
-#define MAP_FAILED ((void *) -1)
-#endif
-
-struct _GMappedFile
-{
- gsize length;
- gchar *contents;
-#ifdef G_OS_WIN32
- HANDLE mapping;
-#endif
-};
-
-/**
- * g_mapped_file_new:
- * @filename: The path of the file to load, in the GLib filename encoding
- * @writable: whether the mapping should be writable
- * @error: return location for a #GError, or %NULL
- *
- * Maps a file into memory. On UNIX, this is using the mmap() function.
- *
- * If @writable is %TRUE, the mapped buffer may be modified, otherwise
- * it is an error to modify the mapped buffer. Modifications to the buffer
- * are not visible to other processes mapping the same file, and are not
- * written back to the file.
- *
- * Note that modifications of the underlying file might affect the contents
- * of the #GMappedFile. Therefore, mapping should only be used if the file
- * will not be modified, or if all modifications of the file are done
- * atomically (e.g. using g_file_set_contents()).
- *
- * Return value: a newly allocated #GMappedFile which must be freed
- * with g_mapped_file_free(), or %NULL if the mapping failed.
- *
- * Since: 2.8
- */
-GMappedFile *
-g_mapped_file_new (const gchar *filename,
- gboolean writable,
- GError **error)
-{
- GMappedFile *file;
- int fd;
- struct stat st;
-
- g_return_val_if_fail (filename != NULL, NULL);
- g_return_val_if_fail (!error || *error == NULL, NULL);
-
- fd = g_open (filename, (writable ? O_RDWR : O_RDONLY) | _O_BINARY, 0);
- if (fd == -1)
- {
- int save_errno = errno;
- gchar *display_filename = g_filename_display_name (filename);
-
- g_set_error (error,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Failed to open file '%s': open() failed: %s"),
- display_filename,
- g_strerror (save_errno));
- g_free (display_filename);
- return NULL;
- }
-
- file = g_new0 (GMappedFile, 1);
-
- if (fstat (fd, &st) == -1)
- {
- int save_errno = errno;
- gchar *display_filename = g_filename_display_name (filename);
-
- g_set_error (error,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Failed to get attributes of file '%s': fstat() failed: %s"),
- display_filename,
- g_strerror (save_errno));
- g_free (display_filename);
- goto out;
- }
-
- if (st.st_size == 0)
- {
- file->length = 0;
- file->contents = "";
- close (fd);
- return file;
- }
-
- file->contents = MAP_FAILED;
-
-#ifdef HAVE_MMAP
- if (st.st_size > G_MAXSIZE)
- {
- errno = EINVAL;
- }
- else
- {
- file->length = (gsize) st.st_size;
- file->contents = (gchar *) mmap (NULL, file->length,
- writable ? PROT_READ|PROT_WRITE : PROT_READ,
- MAP_PRIVATE, fd, 0);
- }
-#endif
-#ifdef G_OS_WIN32
- file->length = st.st_size;
- file->mapping = CreateFileMapping ((HANDLE) _get_osfhandle (fd), NULL,
- writable ? PAGE_WRITECOPY : PAGE_READONLY,
- 0, 0,
- NULL);
- if (file->mapping != NULL)
- {
- file->contents = MapViewOfFile (file->mapping,
- writable ? FILE_MAP_COPY : FILE_MAP_READ,
- 0, 0,
- 0);
- if (file->contents == NULL)
- {
- file->contents = MAP_FAILED;
- CloseHandle (file->mapping);
- file->mapping = NULL;
- }
- }
-#endif
-
-
- if (file->contents == MAP_FAILED)
- {
- int save_errno = errno;
- gchar *display_filename = g_filename_display_name (filename);
-
- g_set_error (error,
- G_FILE_ERROR,
- g_file_error_from_errno (save_errno),
- _("Failed to map file '%s': mmap() failed: %s"),
- display_filename,
- g_strerror (save_errno));
- g_free (display_filename);
- goto out;
- }
-
- close (fd);
- return file;
-
- out:
- close (fd);
- g_free (file);
-
- return NULL;
-}
-
-/**
- * g_mapped_file_get_length:
- * @file: a #GMappedFile
- *
- * Returns the length of the contents of a #GMappedFile.
- *
- * Returns: the length of the contents of @file.
- *
- * Since: 2.8
- */
-gsize
-g_mapped_file_get_length (GMappedFile *file)
-{
- g_return_val_if_fail (file != NULL, 0);
-
- return file->length;
-}
-
-/**
- * g_mapped_file_get_contents:
- * @file: a #GMappedFile
- *
- * Returns the contents of a #GMappedFile.
- *
- * Note that the contents may not be zero-terminated,
- * even if the #GMappedFile is backed by a text file.
- *
- * Returns: the contents of @file.
- *
- * Since: 2.8
- */
-gchar *
-g_mapped_file_get_contents (GMappedFile *file)
-{
- g_return_val_if_fail (file != NULL, NULL);
-
- return file->contents;
-}
-
-/**
- * g_mapped_file_free:
- * @file: a #GMappedFile
- *
- * Unmaps the buffer of @file and frees it.
- *
- * Since: 2.8
- */
-void
-g_mapped_file_free (GMappedFile *file)
-{
- g_return_if_fail (file != NULL);
-
- if (file->length)
- {
-#ifdef HAVE_MMAP
- munmap (file->contents, file->length);
-#endif
-#ifdef G_OS_WIN32
- UnmapViewOfFile (file->contents);
- CloseHandle (file->mapping);
-#endif
- }
-
- g_free (file);
-}
-
-
-#define __G_MAPPED_FILE_C__
-#include "galiasdef.c"
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