1 /**************************************************************************
3 * Copyright 2008-2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Cross-platform sequential access stream abstraction.
37 #include "pipe/p_compiler.h"
41 * OS stream (FILE, socket, etc) abstraction.
46 (*close)(struct os_stream *stream);
49 (*write)(struct os_stream *stream, const void *data, size_t size);
52 (*flush)(struct os_stream *stream);
55 (*vprintf)(struct os_stream *stream, const char* format, va_list ap);
60 os_stream_close(struct os_stream *stream)
65 stream->close(stream);
70 os_stream_write(struct os_stream *stream, const void *data, size_t size)
74 return stream->write(stream, data, size);
79 os_stream_write_str(struct os_stream *stream, const char *str)
84 for(size = 0; str[size]; ++size)
86 return stream->write(stream, str, size);
91 os_stream_flush(struct os_stream *stream)
93 stream->flush(stream);
97 os_default_stream_vprintf (struct os_stream* stream, const char *format, va_list ap);
100 os_stream_vprintf (struct os_stream* stream, const char *format, va_list ap)
102 return stream->vprintf(stream, format, ap);
106 os_stream_printf (struct os_stream* stream, const char *format, ...)
111 va_start (args, format);
112 retval = stream->vprintf(stream, format, args);
119 os_file_stream_create(const char *filename);
123 os_null_stream_create(void);
126 extern struct os_stream *
131 os_str_stream_create(size_t initial_size);
135 os_str_stream_get(struct os_stream *stream);
138 os_str_stream_get_and_close(struct os_stream *stream);
141 #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
142 #define os_file_stream_create(_filename) os_null_stream_create()
145 #endif /* _OS_STREAM_H_ */