Add usbg_get_configfs_path_len() and usbg_get_configfs_path()
to avoid direct access to state structure.
Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
---
include/usbg/usbg.h | 16 ++++++++++++++++
src/usbg.c | 10 ++++++++++
2 files changed, 26 insertions(+)
diff --git a/include/usbg/usbg.h b/include/usbg/usbg.h
index 2577382..e90a3b6 100644
--- a/include/usbg/usbg.h
+++ b/include/usbg/usbg.h
@@ -233,6 +233,22 @@ extern struct state *usbg_init(char *configfs_path);
*/
extern void usbg_cleanup(struct state *s);
+/**
+ * @brief Get ConfigFS path length
+ * @param s Pointer to state
+ * @return Length of path or -1 if error occurred.
+ */
+extern size_t usbg_get_configfs_path_len(struct state *s);
+
+/**
+ * @brieg Get ConfigFS path
+ * @param s Pointer to state
+ * @param buf Buffer where path should be copied
+ * @param len Length of given buffer
+ * @return Pointer to destination or NULL if error occurred.
+ */
+extern char *usbg_get_configfs_path(struct state *s, char *buf, size_t len);
+
/* USB gadget queries */
/**
diff --git a/src/usbg.c b/src/usbg.c
index 6e27358..6b48d68 100644
--- a/src/usbg.c
+++ b/src/usbg.c
@@ -470,6 +470,16 @@ void usbg_cleanup(struct state *s)
free(s);
}
+size_t usbg_get_configfs_path_len(struct state *s)
+{
+ return s ? strlen(s->path) : -1;
+}
+
+char *usbg_get_configfs_path(struct state *s, char *buf, size_t len)
+{
+ return s ? strncpy(buf, s->path, len) : NULL;
+}
+
struct gadget *usbg_get_gadget(struct state *s, const char *name)
{
struct gadget *g;
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
