Added ReadTables and ResetTables

1 files changed, 81 insertions, 1 deletions

diff --git a/irtable.c b/irtable.c
index c62aa95..4bd4977 100644
--- a/irtable.c
+++ b/irtable.c
@@ -7,8 +7,12 @@
  *
  *	Tables for decoding events
  *
+ *	Authors: Stephane Chatty <chatty@cenatoulouse.dgac.fr>
+ *
  *	$Id$
  *
+ *	Please refer to file version.h for the
+ *	copyright notice regarding this software
  */
 
 #include "irtable.h"
@@ -35,7 +39,6 @@ static IrTableCell* CodeToCell [CODECELLS];
 static int Initialized = 0;
 
 
-
 IrTable*
 IrCreateTable ()
 {
@@ -143,3 +146,80 @@ IrTableTranslateCode (const unsigned char* code, IrTable** table, const char** k
 	return (int) (c);
 }
 
+void
+IrResetTables (void)
+{
+#if 0	/* THIS CODE TRIGGERS A MEMORY BUG */
+	/* WE'LL SEE TO THAT LATER */
+
+	/* free all cells in hash tables */
+	if (Initialized) {
+		/* erase hash tables */
+		IrTableCell** cc;
+		for (cc = CodeToCell; cc < CodeToCell + CODECELLS; ++cc) {
+			IrTableCell* c = *cc;
+			while (c) {
+				IrTableCell* old = c;
+				c = c->next;
+				free ((char*) old->key);
+				free (old);
+			}
+		}
+
+		for (cc = KeyToCell; cc < KeyToCell + CODECELLS; ++cc) {
+			IrTableCell* c = *cc;
+			while (c) {
+				IrTableCell* old = c;
+				c = c->next;
+				free ((char*) old->key);
+				free (old);
+			}
+		}
+	}
+#endif
+	/* initialize hash tables to zero */
+	Initialized = 1;
+	memset (KeyToCell, 0, sizeof (KeyToCell));
+	memset (CodeToCell, 0, sizeof (CodeToCell));
+
+	/* should also free tables */
+
+}
+
+void
+IrReadTables (const char* dirname)
+{
+	char indexname[512];
+	char filebuf [512];
+	char absfilebuf [1024];
+	FILE* index;
+	int res;
+	int nbline = 0;
+
+	strcpy (indexname, dirname);
+	strcat (indexname, "/tables.dir");
+	index = fopen (indexname, "r");
+
+
+	if (!index) {
+		char errmsg [1024];
+		sprintf (errmsg, "Cannot open index file %s", indexname);
+		perror (errmsg);
+		fprintf (stderr, "No table loaded\n");
+		return;
+	}
+
+	/* scan index file, and launch parsing of every file listed in the index */
+	while ((res = fscanf (index, "%512s", filebuf)) != EOF) {
+		++nbline;
+		if (!res) {
+			fprintf (stderr, "Malformatted line in %s, line %d:\n", indexname, nbline);
+			continue;
+		}
+		strcpy (absfilebuf, dirname);
+		strcat (absfilebuf, "/");
+		strcat (absfilebuf, filebuf);
+		IrTableReadFile (absfilebuf);
+	}
+}
+