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testing/ostest/setvbuf.c: Fix several errors in the setvbuf() test.

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This commit is contained in:
Gregory Nutt 2019-02-25 18:14:59 -06:00
parent 0031abaa83
commit e54c456c5d
1 changed files with 108 additions and 28 deletions
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136
testing/ostest/setvbuf.c
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@ -56,70 +56,150 @@ int setvbuf_test(void)
char buffer[64]; char buffer[64];
int ret; int ret;
printf("setvbuf_test: Test NO buffering\n");
stream = fopen("/dev/console", "w"); stream = fopen("/dev/console", "w");
if (stream == NULL) if (stream == NULL)
{ {
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n"); printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return -1; return ERROR;
} }
fprintf(stream, "setvbuf_test: DEFAULT buffering\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0); ret = setvbuf(stream, NULL, _IONBF, 0);
if (ret < 0) if (ret < 0)
{ {
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n"); printf("setvbuf_test ERROR: "
"setvbuf(stream, NULL, _IONBF, 0) failed\n");
} }
fprintf(stream, "setvbuf_test: NO buffering\r\n"); fprintf(stream, "setvbuf_test: Using NO buffering\r\n");
/* Close the stream. setvbuf() may only be called AFTER the stream has
* been opened and BEFORE any operations have been performed on the
* stream.
*/
fclose(stream);
printf("setvbuf_test: Test default FULL buffering\n");
stream = fopen("/dev/console", "w");
if (stream == NULL)
{
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return ERROR;
}
ret = setvbuf(stream, NULL, _IOFBF, 0); ret = setvbuf(stream, NULL, _IOFBF, 0);
if (ret < 0) if (ret < 0)
{ {
printf("ssetvbuf_test ERROR: etvbuf(stream, NULL, _IONBF, 0) failed\n"); printf("ssetvbuf_test ERROR: "
"setvbuf(stream, NULL, _IOFBF, 0) failed\n");
} }
fprintf(stream, "setvbuf_test: FULL buffering, default buffer\r\n"); fprintf(stream, "setvbuf_test: Using default FULL buffering\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0); /* Close the stream. setvbuf() may only be called AFTER the stream has
* been opened and BEFORE any operations have been performed on the
* stream.
*/
fclose(stream);
printf("setvbuf_test: Test FULL buffering, buffer size 64\n");
stream = fopen("/dev/console", "w");
if (stream == NULL)
{
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return ERROR;
}
ret = setvbuf(stream, NULL, _IOFBF, 64);
if (ret < 0) if (ret < 0)
{ {
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n"); printf("ssetvbuf_test ERROR: "
"setvbuf(stream, NULL, _IOFBF, 64) failed\n");
} }
fprintf(stream, "setvbuf_test: NO buffering\r\n"); fprintf(stream, "setvbuf_test: Using FULL buffering, buffer size 64\r\n");
ret = setvbuf(stream, NULL, _IOLBF, 64); /* Close the stream. setvbuf() may only be called AFTER the stream has
if (ret < 0) * been opened and BEFORE any operations have been performed on the
* stream.
*/
fclose(stream);
printf("setvbuf_test: Test FULL buffering, pre-allocated buffer\n");
stream = fopen("/dev/console", "w");
if (stream == NULL)
{ {
printf("setvbuf_test: ERROR: setvbuf(stream, NULL, _IOLBF, 64) failed\n"); printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return ERROR;
} }
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); ret = setvbuf(stream, buffer, _IOFBF, 64);
if (ret < 0) if (ret < 0)
{ {
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IOLBF, 64) failed\n"); printf("ssetvbuf_test ERROR: "
"setvbuf(stream, buffer, _IOFBF, 64) failed\n");
} }
fprintf(stream, "setvbuf_test: FULL buffering, pre-allocated buffer\r\n"); fprintf(stream,
"setvbuf_test: Using FULL buffering, pre-allocated buffer\r\n");
ret = setvbuf(stream, NULL, _IONBF, 0); /* Close the stream. setvbuf() may only be called AFTER the stream has
* been opened and BEFORE any operations have been performed on the
* stream.
*/
fclose(stream);
printf("setvbuf_test: Test LINE buffering, buffer size 64\n");
stream = fopen("/dev/console", "w");
if (stream == NULL)
{
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return ERROR;
}
ret = setvbuf(stream, NULL, _IOLBF, 64);
if (ret < 0) if (ret < 0)
{ {
printf("setvbuf_test ERROR: setvbuf(stream, NULL, _IONBF, 0) failed\n"); printf("setvbuf_test ERROR: "
"setvbuf(stream, NULL, _IOLBF, 64) failed\n");
} }
fprintf(stream, "setvbuf_test: NO buffering\r\n"); fprintf(stream, "setvbuf_test: Using LINE buffering, buffer size 64\r\n");
/* Close the stream. setvbuf() may only be called AFTER the stream has
* been opened and BEFORE any operations have been performed on the
* stream.
*/
fclose(stream);
printf("setvbuf_test: Test FULL buffering, pre-allocated buffer\n");
stream = fopen("/dev/console", "w");
if (stream == NULL)
{
printf("setvbuf_test ERROR: fopen(dev/console, rw) failed\n");
return ERROR;
}
ret = setvbuf(stream, buffer, _IOLBF, 64);
if (ret < 0)
{
printf("setvbuf_test ERROR: "
"setvbuf(stream, buffer, _IOLBF, 64) failed\n");
}
fprintf(stream,
"setvbuf_test: Using FULL buffering, pre-allocated buffer\r\n");
fclose(stream); fclose(stream);
return 0; return 0;