Merge branch 'master' of github.com:cnlohr/libsurvive

1 files changed, 54 insertions, 0 deletions

diff --git a/src/survive_driverman.c b/src/survive_driverman.c
new file mode 100644
index 0000000..8cdfb71
--- /dev/null
+++ b/src/survive_driverman.c
@@ -0,0 +1,54 @@
+// (C) 2017 <>< C. N. Lohr, Under MIT/x11 License.
+//
+// See notice in survive_driverman.h
+//
+
+#include "survive_driverman.h"
+#include <string.h>
+#include <stdio.h>
+
+static void * Drivers[MAX_DRIVERS];
+static const char * DriverNames[MAX_DRIVERS];
+static int NrDrivers;
+
+void   RegisterDriver( const char * element, void * data )
+{
+	Drivers[NrDrivers] = data;
+	DriverNames[NrDrivers] = element;
+	NrDrivers++;
+}
+
+void * GetDriver( const char * element )
+{
+	int i;
+	for( i = 0; i < NrDrivers; i++ )
+	{
+		if( strcmp( element, DriverNames[i] ) == 0 ) return Drivers[i];
+	}
+	return 0;
+}
+
+const char * GetDriverNameMatching( const char * prefix, int place )
+{
+	int i;
+	int prefixlen = strlen( prefix );
+
+	for( i = 0; i < NrDrivers; i++ )
+	{
+		if( memcmp( prefix, DriverNames[i], prefixlen ) == 0 )
+			if( 0 == (place--) )
+				return DriverNames[i];
+	}
+	return 0;
+}
+
+void   ListDrivers()
+{
+	int i;
+	printf( "Drivers (%d/%d):\n", NrDrivers, MAX_DRIVERS );
+	for( i = 0; i < NrDrivers; i++ )
+	{
+		printf( " %s\n", DriverNames[i] );
+	}
+}
+