1 files changed, 106 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/lib/sys/file.h b/contrib/syslinux-4.02/com32/lib/sys/file.h
new file mode 100644
index 0000000..e984f16
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/lib/sys/file.h
@@ -0,0 +1,106 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2003-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   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.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * file.h
+ *
+ * Internal implementation of file I/O for COM32
+ */
+
+#ifndef _COM32_SYS_FILE_H
+#define _COM32_SYS_FILE_H
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <dev.h>
+#include <fcntl.h>
+#include <syslinux/pmapi.h>
+
+/* Device structure; contains the relevant operations */
+
+struct file_info;
+
+#define __DEV_MAGIC	0xf4e7
+#define __DEV_TTY	0x0001	/* TTY - must be bit 0 */
+#define __DEV_FILE	0x0002	/* Ordinary file */
+#define __DEV_OUTPUT	0x0004	/* This is an output device */
+#define __DEV_INPUT	0	/* Dummy */
+#define __DEV_ERROR	0x0008	/* This is the error device */
+#define __DEV_NULL	0x0010	/* This is the null device */
+
+struct input_dev {
+    uint16_t dev_magic;		/* Magic number */
+    uint16_t flags;		/* Flags */
+    int fileflags;		/* Permitted file flags */
+    ssize_t (*read)(struct file_info *, void *, size_t);
+    int (*close)(struct file_info *);
+    int (*open)(struct file_info *);
+};
+
+struct output_dev {
+    uint16_t dev_magic;		/* Magic number */
+    uint16_t flags;		/* Flags */
+    int fileflags;
+    ssize_t (*write)(struct file_info *, const void *, size_t);
+    int (*close)(struct file_info *);
+    int (*open)(struct file_info *);
+    const struct output_dev *fallback;	/* Fallback option for certain consoles */
+};
+
+/* File structure */
+
+#define NFILES 32		/* Number of files to support */
+#define MAXBLOCK 16384		/* Defined by ABI */
+
+struct file_info {
+    const struct input_dev *iop;	/* Input operations */
+    const struct output_dev *oop;	/* Output operations */
+
+    /* Output file data */
+    struct {
+	int rows, cols;		/* Rows and columns */
+    } o;
+
+    /* Structure used for input blocking */
+    struct {
+	struct com32_filedata fd;
+	size_t offset;		/* Current file offset */
+	size_t nbytes;		/* Number of bytes available in buffer */
+	char *datap;		/* Current data pointer */
+	void *pvt;		/* Private pointer for driver */
+	char buf[MAXBLOCK];
+    } i;
+};
+
+extern struct file_info __file_info[NFILES];
+
+/* Line input discipline */
+ssize_t __line_input(struct file_info *fp, char *buf, size_t bufsize,
+		     ssize_t(*get_char) (struct file_info *, void *, size_t));
+
+#endif /* _COM32_SYS_FILE_H */