From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/libs/uio/uiostream.h | 97 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/libs/uio/uiostream.h

(limited to 'src/libs/uio/uiostream.h')

diff --git a/src/libs/uio/uiostream.h b/src/libs/uio/uiostream.h
new file mode 100644
index 0000000..f65487e
--- /dev/null
+++ b/src/libs/uio/uiostream.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2003  Serge van den Boom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * Nota bene: later versions of the GNU General Public License do not apply
+ * to this program.
+ *
+ * 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
+ *
+ */
+
+#ifndef LIBS_UIO_UIOSTREAM_H_
+#define LIBS_UIO_UIOSTREAM_H_
+
+
+typedef struct uio_Stream uio_Stream;
+
+#include "io.h"
+
+#include <stdarg.h>
+
+
+uio_Stream *uio_fopen(uio_DirHandle *dir, const char *path, const char *mode);
+int uio_fclose(uio_Stream *stream);
+size_t uio_fread(void *buf, size_t size, size_t nmemb, uio_Stream *stream);
+char *uio_fgets(char *buf, int size, uio_Stream *stream);
+int uio_fgetc(uio_Stream *stream);
+#define uio_getc uio_fgetc
+int uio_ungetc(int c, uio_Stream *stream);
+int uio_vfprintf(uio_Stream *stream, const char *format, va_list args);
+int uio_fprintf(uio_Stream *stream, const char *format, ...);
+int uio_fputc(int c, uio_Stream *stream);
+#define uio_putc uio_fputc
+int uio_fputs(const char *s, uio_Stream *stream);
+int uio_fseek(uio_Stream *stream, long offset, int whence);
+long uio_ftell(uio_Stream *stream);
+size_t uio_fwrite(const void *buf, size_t size, size_t nmemb,
+		uio_Stream *stream);
+int uio_fflush(uio_Stream *stream);
+int uio_feof(uio_Stream *stream);
+int uio_ferror(uio_Stream *stream);
+void uio_clearerr(uio_Stream *stream);
+uio_Handle *uio_streamHandle(uio_Stream *stream);
+
+
+/* *** Internal definitions follow *** */
+#ifdef uio_INTERNAL
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include "iointrn.h"
+
+typedef enum {
+	uio_StreamOperation_none,
+	uio_StreamOperation_read,
+	uio_StreamOperation_write
+} uio_StreamOperation;
+
+struct uio_Stream {
+	char *buf;
+			// Start of the buffer.
+	char *dataStart;
+			// Start of the part of the buffer that is in use.
+	char *dataEnd;
+			// Start of the unused part of the buffer.
+	char *bufEnd;
+			// End of the buffer.
+	// INV: buf <= dataStart <= dataEnd <= bufEnd
+	// INV: if 'operation == uio_StreamOperation_write' then buf == dataStart
+
+	uio_Handle *handle;
+	int status;
+#define uio_Stream_STATUS_OK 0
+#define uio_Stream_STATUS_EOF 1
+#define uio_Stream_STATUS_ERROR 2
+	uio_StreamOperation operation;
+			// What was the last action (reading or writing). This
+			// determines whether the buffer is a read or write buffer.
+	int openFlags;
+			// Flags used for opening the file.
+};
+
+
+#endif  /* uio_INTERNAL */
+
+#endif  /* LIBS_UIO_UIOSTREAM_H_ */
+
+
-- 
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