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#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <glib.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#define BUFFER_SIZE 1024
static void
test_small_writes (void)
{
GIOChannel *io;
GIOStatus status;
guint cnt;
gchar tmp;
GError *error = NULL;
io = g_io_channel_new_file ("iochannel-test-outfile", "w", &error);
if (error)
{
g_warning ("Unable to open file %s: %s",
"iochannel-test-outfile",
error->message);
g_error_free (error);
exit (1);
}
g_io_channel_set_encoding (io, NULL, NULL);
g_io_channel_set_buffer_size (io, 1022);
cnt = 2 * g_io_channel_get_buffer_size (io);
tmp = 0;
while (cnt)
{
status = g_io_channel_write_chars (io, &tmp, 1, NULL, NULL);
if (status == G_IO_STATUS_ERROR)
break;
if (status == G_IO_STATUS_NORMAL)
cnt--;
}
g_assert (status == G_IO_STATUS_NORMAL);
g_io_channel_unref (io);
}
gint main (gint argc, gchar * argv[])
{
GIOChannel *gio_r, *gio_w ;
GError *gerr = NULL;
GString *buffer;
char *filename;
char *srcdir = getenv ("srcdir");
gint rlength = 0;
glong wlength = 0;
gsize length_out;
const gchar encoding[] = "EUC-JP";
GIOStatus status;
GIOFlags flags;
if (!srcdir)
srcdir = ".";
filename = g_strconcat (srcdir, G_DIR_SEPARATOR_S, "iochannel-test-infile", NULL);
setbuf (stdout, NULL); /* For debugging */
gio_r = g_io_channel_new_file (filename, "r", &gerr);
if (gerr)
{
g_warning ("Unable to open file %s: %s", filename, gerr->message);
g_error_free (gerr);
return 1;
}
gio_w = g_io_channel_new_file ("iochannel-test-outfile", "w", &gerr);
if (gerr)
{
g_warning ("Unable to open file %s: %s", "iochannel-test-outfile", gerr->message);
g_error_free (gerr);
return 1;
}
g_io_channel_set_encoding (gio_r, encoding, &gerr);
if (gerr)
{
g_warning (gerr->message);
/* Keep going if this is just a case of iconv not supporting EUC-JP, see bug 428048 */
if (gerr->code != G_CONVERT_ERROR_NO_CONVERSION)
return 1;
g_error_free (gerr);
gerr = NULL;
}
g_io_channel_set_buffer_size (gio_r, BUFFER_SIZE);
status = g_io_channel_set_flags (gio_r, G_IO_FLAG_NONBLOCK, &gerr);
if (status == G_IO_STATUS_ERROR)
{
g_warning (gerr->message);
g_error_free (gerr);
gerr = NULL;
}
flags = g_io_channel_get_flags (gio_r);
buffer = g_string_sized_new (BUFFER_SIZE);
while (TRUE)
{
do
status = g_io_channel_read_line_string (gio_r, buffer, NULL, &gerr);
while (status == G_IO_STATUS_AGAIN);
if (status != G_IO_STATUS_NORMAL)
break;
rlength += buffer->len;
do
status = g_io_channel_write_chars (gio_w, buffer->str, buffer->len,
&length_out, &gerr);
while (status == G_IO_STATUS_AGAIN);
if (status != G_IO_STATUS_NORMAL)
break;
wlength += length_out;
if (length_out < buffer->len)
g_warning ("Only wrote part of the line.");
#ifdef VERBOSE
g_print ("%s", buffer->str);
#endif
g_string_truncate (buffer, 0);
}
switch (status)
{
case G_IO_STATUS_EOF:
break;
case G_IO_STATUS_ERROR:
g_warning (gerr->message);
g_error_free (gerr);
gerr = NULL;
break;
default:
g_warning ("Abnormal exit from write loop.");
break;
}
do
status = g_io_channel_flush (gio_w, &gerr);
while (status == G_IO_STATUS_AGAIN);
if (status == G_IO_STATUS_ERROR)
{
g_warning (gerr->message);
g_error_free (gerr);
gerr = NULL;
}
#ifdef VERBOSE
g_print ("read %d bytes, wrote %ld bytes\n", rlength, wlength);
#endif
g_io_channel_unref(gio_r);
g_io_channel_unref(gio_w);
test_small_writes ();
return 0;
}
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