src/gallium/auxiliary/os/os_stream_stdc.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008-2010 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   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:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  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
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  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Stream implementation based on the Standard C Library.
  31  */
  32
  33 #include "pipe/p_config.h"
  34
  35 #if defined(PIPE_OS_UNIX) || defined(PIPE_SUBSYSTEM_WINDOWS_USER)
  36
  37 #include <stdlib.h>
  38 #include <stdio.h>
  39
  40 #include "os_stream.h"
  41
  42
  43 struct os_stream
  44 {
  45    FILE *file;
  46 };
  47
  48
  49 struct os_stream *
  50 os_stream_create(const char *filename, size_t max_size)
  51 {
  52    struct os_stream *stream;
  53
  54    (void)max_size;
  55
  56    stream = (struct os_stream *)calloc(1, sizeof(struct os_stream));
  57    if(!stream)
  58       goto no_stream;
  59
  60    stream->file = fopen(filename, "w");
  61    if(!stream->file)
  62       goto no_file;
  63
  64    return stream;
  65
  66 no_file:
  67    free(stream);
  68 no_stream:
  69    return NULL;
  70 }
  71
  72
  73 boolean
  74 os_stream_write(struct os_stream *stream, const void *data, size_t size)
  75 {
  76    if(!stream)
  77       return FALSE;
  78
  79    return fwrite(data, size, 1, stream->file) == size ? TRUE : FALSE;
  80 }
  81
  82
  83 void
  84 os_stream_flush(struct os_stream *stream)
  85 {
  86    if(!stream)
  87       return;
  88
  89    fflush(stream->file);
  90 }
  91
  92
  93 void
  94 os_stream_close(struct os_stream *stream)
  95 {
  96    if(!stream)
  97       return;
  98
  99    fclose(stream->file);
 100
 101    free(stream);
 102 }
 103
 104
 105 #endif