1 files changed, 36 insertions, 0 deletions
diff --git a/pcilib/unit.h b/pcilib/unit.h
new file mode 100644
index 0000000..9c62ff3
--- /dev/null
+++ b/pcilib/unit.h
@@ -0,0 +1,36 @@
+#ifndef _PCILIB_UNIT_H
+#define _PCILIB_UNIT_H
+
+#include <pcilib.h>
+
+#define PCILIB_UNIT_INVALID ((pcilib_unit_t)-1)
+#define PCILIB_MAX_TRANSFORMS_PER_UNIT 16			/**< Limits number of supported transforms per unit */
+
+typedef struct pcilib_unit_context_s *pcilib_unit_context_t;
+
+/**
+ * unit transformation routines
+ */
+typedef struct {
+    char *unit;									/**< Name of the resulting unit */
+    char *transform;								/**< String, similar to view formula, explaining transform to this unit */
+} pcilib_unit_transform_t;
+
+typedef struct {
+    char *name;									/**< Unit name */
+    pcilib_unit_transform_t transforms[PCILIB_MAX_TRANSFORMS_PER_UNIT + 1];	/**< Transforms to other units */
+} pcilib_unit_description_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int pcilib_add_units(pcilib_t *ctx, size_t n, const pcilib_unit_description_t *desc);
+pcilib_unit_t pcilib_find_unit_by_name(pcilib_t *ctx, const char *unit);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _PCILIB_UNIT_H */