/**
* Close stream, releasing memory.
*
* @return TRUE if OK, FALSE if there was a writing problem
*/
bool
ostream_close(ostream_t *os)
{
bool ioerr;
ostream_check(os);
ioerr = os->ioerr;
ostream_free(os);
return !ioerr;
}
/**
* Close memory stream.
*
* @return the list of pmsg_t elements. It can be written to a non-blocking
* file descriptor through successive calls to pmsg_slist_to_iovec() to build
* an I/O vector and pmsg_slist_discard() to remove from the list what was
* written.
*/
slist_t *
ostream_close_memory(ostream_t *os)
{
slist_t *result;
ostream_check(os);
g_assert(OSTREAM_T_MEM == os->type);
result = os->u.sl;
os->u.sl = NULL;
ostream_free(os);
return result;
}
/**
* Close stream opened to a file, along with the underlying FILE / fd.
*
* @return 0 on success, -1 on error.
*/
int
ostream_close_file(ostream_t *os)
{
int ret = -1;
g_assert(ostream_is_file(os));
switch (os->type) {
case OSTREAM_T_FILE:
ret = fclose(os->u.f);
os->u.f = NULL;
break;
case OSTREAM_T_FD:
ret = fd_close(&os->u.fd);
break;
case OSTREAM_T_MEM:
case OSTREAM_T_PMSG:
case OSTREAM_T_MAX:
g_assert_not_reached();
}
ostream_free(os);
return ret;
}
/* Print a color test page. */
void
print_color_test ()
{
/* Code copied from test-term-ostream.c. */
static struct { const char *name; term_color_t c; int r; int g; int b; }
colors[] =
{
{ "black", -2, 0, 0, 0 },
{ "blue", -2, 0, 0, 255 },
{ "green", -2, 0, 255, 0 },
{ "cyan", -2, 0, 255, 255 },
{ "red", -2, 255, 0, 0 },
{ "magenta", -2, 255, 0, 255 },
{ "yellow", -2, 255, 255, 0 },
{ "white", -2, 255, 255, 255 },
{ "default", COLOR_DEFAULT }
};
term_ostream_t stream;
int i, row, col;
stream = term_ostream_create (1, "stdout");
for (i = 0; i < 8; i++)
colors[i].c =
term_ostream_rgb_to_color (stream, colors[i].r, colors[i].g, colors[i].b);
ostream_write_str (stream, "Colors (foreground/background):\n");
ostream_write_str (stream, " ");
for (col = 0; col <= 8; col++)
{
const char *name = colors[col].name;
ostream_write_str (stream, "|");
ostream_write_str (stream, name);
ostream_write_mem (stream, " ", 7 - strlen (name));
}
ostream_write_str (stream, "\n");
for (row = 0; row <= 8; row++)
{
const char *name = colors[row].name;
ostream_write_str (stream, name);
ostream_write_mem (stream, " ", 7 - strlen (name));
for (col = 0; col <= 8; col++)
{
term_color_t row_color = colors[row].c;
term_color_t col_color = colors[col].c;
ostream_write_str (stream, "|");
term_ostream_set_color (stream, row_color);
term_ostream_set_bgcolor (stream, col_color);
if (!(term_ostream_get_color (stream) == row_color
&& term_ostream_get_bgcolor (stream) == col_color))
abort ();
ostream_write_str (stream, " Words ");
term_ostream_set_color (stream, COLOR_DEFAULT);
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
if (!(term_ostream_get_color (stream) == COLOR_DEFAULT
&& term_ostream_get_bgcolor (stream) == COLOR_DEFAULT))
abort ();
}
ostream_write_str (stream, "\n");
}
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Colors (hue/saturation):\n");
/* Hue from 0 to 1. */
for (row = 0; row <= 17; row++)
{
ostream_write_str (stream, row == 0 ? "red: " : " ");
for (col = 0; col <= 64; col++)
{
int r = 255;
int b = (int) (255.0f / 64.0f * col + 0.5f);
int g = b + (int) (row / 17.0f * (r - b) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
/* Hue from 1 to 2. */
for (row = 17; row >= 0; row--)
{
ostream_write_str (stream, row == 17 ? "yellow: " : " ");
for (col = 0; col <= 64; col++)
{
int g = 255;
int b = (int) (255.0f / 64.0f * col + 0.5f);
int r = b + (int) (row / 17.0f * (g - b) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
/* Hue from 2 to 3. */
for (row = 0; row <= 17; row++)
{
ostream_write_str (stream, row == 0 ? "green: " : " ");
for (col = 0; col <= 64; col++)
{
int g = 255;
int r = (int) (255.0f / 64.0f * col + 0.5f);
int b = r + (int) (row / 17.0f * (g - r) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
/* Hue from 3 to 4. */
for (row = 17; row >= 0; row--)
{
ostream_write_str (stream, row == 17 ? "cyan: " : " ");
for (col = 0; col <= 64; col++)
{
int b = 255;
int r = (int) (255.0f / 64.0f * col + 0.5f);
int g = r + (int) (row / 17.0f * (b - r) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
/* Hue from 4 to 5. */
for (row = 0; row <= 17; row++)
{
ostream_write_str (stream, row == 0 ? "blue: " : " ");
for (col = 0; col <= 64; col++)
{
int b = 255;
int g = (int) (255.0f / 64.0f * col + 0.5f);
int r = g + (int) (row / 17.0f * (b - g) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
/* Hue from 5 to 6. */
for (row = 17; row >= 0; row--)
{
ostream_write_str (stream, row == 17 ? "magenta: " :
row == 0 ? "red: " : " ");
for (col = 0; col <= 64; col++)
{
int r = 255;
int g = (int) (255.0f / 64.0f * col + 0.5f);
int b = g + (int) (row / 17.0f * (r - g) + 0.5f);
term_color_t c = term_ostream_rgb_to_color (stream, r, g, b);
term_ostream_set_bgcolor (stream, c);
ostream_write_str (stream, " ");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
}
ostream_write_str (stream, "\n");
}
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Weights:\n");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
if (term_ostream_get_weight (stream) != WEIGHT_NORMAL)
abort ();
ostream_write_str (stream, "normal, ");
term_ostream_set_weight (stream, WEIGHT_BOLD);
if (term_ostream_get_weight (stream) != WEIGHT_BOLD)
abort ();
ostream_write_str (stream, "bold, ");
term_ostream_set_weight (stream, WEIGHT_DEFAULT);
if (term_ostream_get_weight (stream) != WEIGHT_DEFAULT)
abort ();
ostream_write_str (stream, "default \n");
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Postures:\n");
term_ostream_set_posture (stream, POSTURE_NORMAL);
if (term_ostream_get_posture (stream) != POSTURE_NORMAL)
abort ();
ostream_write_str (stream, "normal, ");
term_ostream_set_posture (stream, POSTURE_ITALIC);
if (term_ostream_get_posture (stream) != POSTURE_ITALIC)
abort ();
ostream_write_str (stream, "italic, ");
term_ostream_set_posture (stream, POSTURE_DEFAULT);
if (term_ostream_get_posture (stream) != POSTURE_DEFAULT)
abort ();
ostream_write_str (stream, "default \n");
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Text decorations:\n");
term_ostream_set_underline (stream, UNDERLINE_OFF);
if (term_ostream_get_underline (stream) != UNDERLINE_OFF)
abort ();
ostream_write_str (stream, "normal, ");
term_ostream_set_underline (stream, UNDERLINE_ON);
if (term_ostream_get_underline (stream) != UNDERLINE_ON)
abort ();
ostream_write_str (stream, "underlined, ");
term_ostream_set_underline (stream, UNDERLINE_DEFAULT);
if (term_ostream_get_underline (stream) != UNDERLINE_DEFAULT)
abort ();
ostream_write_str (stream, "default \n");
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Colors (foreground) mixed with attributes:\n");
for (row = 0; row <= 8; row++)
{
const char *name = colors[row].name;
ostream_write_str (stream, name);
ostream_write_mem (stream, " ", 7 - strlen (name));
term_ostream_set_color (stream, colors[row].c);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
ostream_write_str (stream, "bold");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_posture (stream, POSTURE_ITALIC);
ostream_write_str (stream, "italic");
term_ostream_set_posture (stream, POSTURE_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "underlined");
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_color (stream, COLOR_DEFAULT);
ostream_write_str (stream, "\n ");
term_ostream_set_color (stream, colors[row].c);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
term_ostream_set_posture (stream, POSTURE_ITALIC);
ostream_write_str (stream, "bold+italic");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
term_ostream_set_posture (stream, POSTURE_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "bold+underl");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_posture (stream, POSTURE_ITALIC);
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "italic+underl");
term_ostream_set_posture (stream, POSTURE_NORMAL);
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_color (stream, COLOR_DEFAULT);
ostream_write_str (stream, "\n");
}
ostream_write_str (stream, "\n");
ostream_write_str (stream, "Colors (background) mixed with attributes:\n");
for (row = 0; row <= 8; row++)
{
const char *name = colors[row].name;
ostream_write_str (stream, name);
ostream_write_mem (stream, " ", 7 - strlen (name));
term_ostream_set_bgcolor (stream, colors[row].c);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
ostream_write_str (stream, "bold");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_posture (stream, POSTURE_ITALIC);
ostream_write_str (stream, "italic");
term_ostream_set_posture (stream, POSTURE_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "underlined");
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
ostream_write_str (stream, "\n ");
term_ostream_set_bgcolor (stream, colors[row].c);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
term_ostream_set_posture (stream, POSTURE_ITALIC);
ostream_write_str (stream, "bold+italic");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
term_ostream_set_posture (stream, POSTURE_NORMAL);
ostream_write_str (stream, "|normal|");
term_ostream_set_weight (stream, WEIGHT_BOLD);
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "bold+underl");
term_ostream_set_weight (stream, WEIGHT_NORMAL);
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_posture (stream, POSTURE_ITALIC);
term_ostream_set_underline (stream, UNDERLINE_ON);
ostream_write_str (stream, "italic+underl");
term_ostream_set_posture (stream, POSTURE_NORMAL);
term_ostream_set_underline (stream, UNDERLINE_OFF);
ostream_write_str (stream, "|normal|");
term_ostream_set_bgcolor (stream, COLOR_DEFAULT);
ostream_write_str (stream, "\n");
}
ostream_write_str (stream, "\n");
ostream_free (stream);
}
