summaryrefslogtreecommitdiffhomepage
path: root/mixlib/mix_io.c
diff options
context:
space:
mode:
Diffstat (limited to 'mixlib/mix_io.c')
-rw-r--r--mixlib/mix_io.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/mixlib/mix_io.c b/mixlib/mix_io.c
new file mode 100644
index 0000000..31e43df
--- /dev/null
+++ b/mixlib/mix_io.c
@@ -0,0 +1,208 @@
+/* -*-c-*- --------------- mix_io.c :
+ * Implementation of the functions declared in mix_io.h
+ * ------------------------------------------------------------------
+ * Copyright (C) 2000, 2004 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+
+#include "xmix_io.h"
+
+mix_iochannel_t *
+mix_io_new (FILE *file)
+{
+ mix_iochannel_t *result;
+ g_return_val_if_fail (file != NULL, NULL);
+ result = g_new (mix_iochannel_t, 1);
+ result->file = file;
+ return result;
+}
+
+void
+mix_io_delete (mix_iochannel_t *ch)
+{
+ if (ch != NULL)
+ {
+ fclose (ch->file);
+ g_free (ch);
+ }
+}
+
+FILE *
+mix_io_to_FILE (mix_iochannel_t *ioc)
+{
+ if (ioc == NULL) return NULL;
+ return ioc->file;
+}
+
+gboolean
+mix_io_eof (mix_iochannel_t *ioc)
+{
+ if (ioc == NULL) return TRUE;
+ return is_eof_ (ioc);
+}
+
+gboolean
+mix_io_is_ready (mix_iochannel_t *ioc)
+{
+ if (ioc == NULL) return FALSE;
+ return is_ready_ (ioc);
+}
+
+gboolean
+mix_io_write_byte (mix_iochannel_t *ioc, mix_byte_t b)
+{
+ if (ioc == NULL) return FALSE;
+ return write_data_ (ioc, &b, 1);
+}
+
+gboolean
+mix_io_write_byte_array (mix_iochannel_t *ioc, const mix_byte_t *b,
+ size_t s)
+{
+ if (ioc == NULL || b == NULL) return FALSE;
+ return write_data_ (ioc, b, s);
+}
+
+mix_byte_t
+mix_io_read_byte (mix_iochannel_t *ioc)
+{
+ mix_byte_t result = MIX_BYTE_ZERO;
+ if (ioc != NULL) read_data_ (ioc, &result, 1);
+ return result;
+}
+
+gboolean
+mix_io_read_byte_array (mix_iochannel_t *ioc, mix_byte_t *b, size_t s)
+{
+ return (ioc != NULL) && (b != NULL) && read_data_ (ioc, b, s);
+}
+
+gboolean
+mix_io_write_word (mix_iochannel_t *ioc, mix_word_t w)
+{
+ return (ioc != NULL) && write_data_ (ioc, &w, 1);
+}
+
+gboolean
+mix_io_write_word_array (mix_iochannel_t *ioc, const mix_word_t *w,
+ size_t s)
+{
+ return (ioc != NULL) && (w != NULL) && write_data_ (ioc, w, s);
+}
+
+mix_word_t
+mix_io_read_word (mix_iochannel_t *ioc)
+{
+ mix_word_t result = MIX_WORD_ZERO;
+ if (ioc != NULL) read_data_ (ioc, &result, 1);
+ return result;
+}
+
+gboolean
+mix_io_read_word_array (mix_iochannel_t *ioc, mix_word_t *w, size_t s)
+{
+ return (ioc != NULL) && (w != NULL) && read_data_ (ioc, w, s);
+}
+
+gboolean
+mix_io_write_short (mix_iochannel_t *ioc, mix_short_t w)
+{
+ return (ioc != NULL) && write_data_ (ioc, &w, 1);
+}
+
+gboolean
+mix_io_write_short_array (mix_iochannel_t *ioc, const mix_short_t *w,
+ size_t s)
+{
+ return (ioc != NULL) && (w != NULL) && write_data_ (ioc, w, s);
+}
+
+mix_short_t
+mix_io_read_short (mix_iochannel_t *ioc)
+{
+ mix_short_t result = MIX_SHORT_ZERO;
+ if (ioc != NULL) read_data_ (ioc, &result, 1);
+ return result;
+}
+
+gboolean
+mix_io_read_short_array (mix_iochannel_t *ioc, mix_short_t *w, size_t s)
+{
+ return (ioc != NULL) && (w != NULL) && read_data_ (ioc, w, s);
+}
+
+gboolean
+mix_io_write_char (mix_iochannel_t *ioc, mix_char_t c)
+{
+ guchar value = mix_char_to_ascii (c);
+ return (ioc != NULL) && write_data_ (ioc, &value, 1);
+}
+
+mix_char_t
+mix_io_read_char (mix_iochannel_t *ioc)
+{
+ guchar value = MIX_CHAR_MAX;
+ if (ioc != NULL) read_data_ (ioc, &value, 1);
+ return mix_ascii_to_char (value);
+}
+
+gboolean
+mix_io_write_word_array_as_char (mix_iochannel_t *ioc,
+ const mix_word_t *w, size_t s)
+{
+ guint k, j;
+ guchar value;
+
+ if ((ioc == NULL) || (w == NULL)) return FALSE;
+
+ for (k = 0; k < s; k++)
+ for (j = 1; j < 6; j++)
+ {
+ mix_char_t ch = mix_byte_to_char (mix_word_get_byte (w[k], j));
+ value = mix_char_to_ascii (ch);
+ if (!write_data_ (ioc, &value, 1)) return FALSE;
+ }
+ value = '\n';
+ return write_data_ (ioc, &value, 1);
+}
+
+gboolean
+mix_io_read_word_array_as_char (mix_iochannel_t *ioc,
+ mix_word_t *w, size_t s)
+{
+ guint k, j;
+ guchar value;
+ gboolean eol = FALSE;
+ mix_char_t spc = mix_ascii_to_char (' ');
+
+ if ((ioc == NULL) || (w == NULL)) return FALSE;
+
+ for (k = 0; k < s && !eol; k++)
+ for (j = 1; j < 6; j++)
+ {
+ if (!eol && !read_data_ (ioc, &value, 1)) return FALSE;
+ eol = eol || (value == '\n') || is_eof_ (ioc);
+ mix_word_set_byte (&w[k], j, eol? spc : mix_ascii_to_char (value));
+ }
+ for (; k < s; ++k) w[k] = MIX_WORD_ZERO;
+
+ while (!eol && !is_eof_ (ioc) && value != '\n')
+ if (!read_data_ (ioc, &value, 1)) return FALSE;
+
+ return TRUE;
+}