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examples/ostest: Add a test of setvbuf().

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This commit is contained in:
Gregory Nutt 2017-02-09 10:58:51 -06:00
parent bf9ca8868e
commit ba59c15d00
5 changed files with 146 additions and 8 deletions
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8
examples/hello/hello_main.c
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@ -40,14 +40,6 @@
#include <nuttx/config.h>
#include <stdio.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/

4
examples/ostest/Makefile
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@ -53,6 +53,10 @@ CSRCS += fpu.c
endif
endif
ifneq ($(CONFIG_STDIO_DISABLE_BUFFERING),y)
CSRCS += setvbuf.c
endif
ifeq ($(CONFIG_TLS),y)
CSRCS += tls.c
endif

6
examples/ostest/ostest.h
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@ -111,6 +111,12 @@
* Public Function Prototypes
****************************************************************************/
/* setvbuf.c ****************************************************************/
#ifndef CONFIG_STDIO_DISABLE_BUFFERING
int setvbuf_test(void);
#endif
/* dev_null.c ***************************************************************/
int dev_null(void);

8
examples/ostest/ostest_main.c
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@ -319,6 +319,14 @@ static int user_main(int argc, char *argv[])
for (;;)
#endif
{
#ifndef CONFIG_STDIO_DISABLE_BUFFERING
/* Checkout setvbuf */
printf("\nuser_main: setvbuf test\n");
setvbuf_test();
check_test_memory_usage();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0
/* Checkout /dev/null */

128
examples/ostest/setvbuf.c Normal file
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@ -0,0 +1,128 @@
/****************************************************************************
* examples/ostest/setvbuf.c
*
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#ifndef CONFIG_STDIO_DISABLE_BUFFERING
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* setvbuf_test
****************************************************************************/
int setvbuf_test(void)
{
FILE *stream;
char buffer[64];
int ret;
stream = fopen("/dev/console", "w");
if (stream == NULL)
{
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return -1;
}
fprintf(stream, "setvbuf_test: DEFAULT buffering\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0);
if (ret < 0)
{
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n");
}
fprintf(stream, "setvbuf_test: NO buffering\r\n");
ret = setvbuf(stream, NULL, _IOFBF, 0);
if (ret < 0)
{
printf("ssetvbuf_test ERROR: etvbuf(stream, NULL, _IONBF, 0) failed\n");
}
fprintf(stream, "setvbuf_test: FULL buffering, default buffer\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0);
if (ret < 0)
{
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n");
}
fprintf(stream, "setvbuf_test: NO buffering\r\n");
ret = setvbuf(stream, NULL, _IOLBF, 64);
if (ret < 0)
{
printf("setvbuf_test: ERROR: setvbuf(stream, NULL, _IOLBF, 64) failed\n");
}
fprintf(stream, "setvbuf_test: LINE buffering, buffer size 64\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0);
if (ret < 0)
{
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n");
}
fprintf(stream, "setvbuf_test: NO buffering\r\n");
ret = setvbuf(stream, buffer, _IOFBF, 64);
if (ret < 0)
{
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IOLBF, 64) failed\n");
}
fprintf(stream, "setvbuf_test: FULL buffering, pre-allocated buffer\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0);
if (ret < 0)
{
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n");
}
fprintf(stream, "setvbuf_test: NO buffering\r\n");
fclose(stream);
return 0;
}
#endif /* CONFIG_STDIO_DISABLE_BUFFERING */