Add usbg_get_gadget_name() and usbg_get_gadget_udc() to avoid
direct gadget structure members access.
Add also usbg_get_gadget_name_len() and
usbg_get_gadget_udc_len() to allow getting udc and name length.
Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
---
include/usbg/usbg.h | 34 ++++++++++++++++++++++++++++++++++
src/usbg.c | 20 ++++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/include/usbg/usbg.h b/include/usbg/usbg.h
index 1ffc75d..ba7b1f5 100644
--- a/include/usbg/usbg.h
+++ b/include/usbg/usbg.h
@@ -303,6 +303,22 @@ extern struct gadget_attrs *usbg_get_gadget_attrs(struct gadget *g,
struct gadget_attrs *g_attrs);
/**
+ * @brief Get gadget name length
+ * @param g Gadget which name length should be returned
+ * @return Length of name string or -1 if error occurred.
+ */
+extern size_t usbg_get_gadget_name_len(struct gadget *g);
+
+/**
+ * @brieg Get gadget name
+ * @param b Pointer to gadget
+ * @param buf Buffer where name should be copied
+ * @param len Length of given buffer
+ * @return Pointer to destination or NULL if error occurred.
+ */
+extern char *usbg_get_gadget_name(struct gadget* g, char *buf, size_t len);
+
+/**
* @brief Set the USB gadget vendor id
* @param g Pointer to gadget
* @param idVendor USB device vendor id
@@ -479,6 +495,24 @@ extern void usbg_enable_gadget(struct gadget *g, char *udc);
*/
extern void usbg_disable_gadget(struct gadget *g);
+/**
+ * @brief Get gadget name length
+ * @param g Gadget which name length should be returned
+ * @return Length of name string or -1 if error occurred.
+ * @note If gadget isn't enabled on any udc returned size is 0.
+ */
+extern size_t usbg_get_gadget_udc_len(struct gadget *g);
+
+/**
+ * @brieg Get name of udc to which gadget is binded
+ * @param b Pointer to gadget
+ * @param buf Buffer where udc name should be copied
+ * @param len Length of given buffer
+ * @return Pointer to destination or NULL if error occurred.
+ * @note If gadget isn't enabled on any udc returned string is empty.
+ */
+extern char *usbg_get_gadget_udc(struct gadget* g, char *buf, size_t len);
+
/*
* USB function-specific attribute configuration
*/
diff --git a/src/usbg.c b/src/usbg.c
index 51aa019..b13b0cb 100644
--- a/src/usbg.c
+++ b/src/usbg.c
@@ -640,6 +640,26 @@ struct gadget_attrs *usbg_get_gadget_attrs(struct gadget *g,
return g_attrs;
}
+size_t usbg_get_gadget_name_len(struct gadget *g)
+{
+ return g ? strlen(g->name): -1;
+}
+
+char *usbg_get_gadget_name(struct gadget* g, char *buf, size_t len)
+{
+ return g ? strncpy(buf, g->name, len) : NULL;
+}
+
+size_t usbg_get_gadget_udc_len(struct gadget *g)
+{
+ return g ? strlen(g->udc): -1;
+}
+
+char *usbg_get_gadget_udc(struct gadget* g, char *buf, size_t len)
+{
+ return g ? strncpy(buf, g->udc, len) : NULL;
+}
+
void usbg_set_gadget_attrs(struct gadget *g, struct gadget_attrs *g_attrs)
{
if(!g || !g_attrs) {
--
1.7.9.5
--
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