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| author | Krzysztof Opasiak <k.opasiak@samsung.com> | 2014-02-27 18:21:33 +0100 |
|---|---|---|
| committer | Krzysztof Opasiak <k.opasiak@samsung.com> | 2014-03-11 09:25:12 +0100 |
| commit | 427d5ab2a777937ab4775eed525ed273f185c2ad (patch) | |
| tree | ee9eb1b272699f412f2f04d0af31f444ece4391c /include/usbg | |
| parent | 06424b374571adaa57b4b660fe25ce1d62a1a067 (diff) | |
| download | libusbg-427d5ab2a777937ab4775eed525ed273f185c2ad.tar.gz libusbg-427d5ab2a777937ab4775eed525ed273f185c2ad.tar.bz2 libusbg-427d5ab2a777937ab4775eed525ed273f185c2ad.zip | |
libusbg: Add return value to gadget creation functions.
Functions related to gadget creation should return error codes
instead of pointer.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Diffstat (limited to 'include/usbg')
| -rw-r--r-- | include/usbg/usbg.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/include/usbg/usbg.h b/include/usbg/usbg.h index 0d76010..f6f7a2e 100644 --- a/include/usbg/usbg.h +++ b/include/usbg/usbg.h @@ -186,6 +186,7 @@ typedef enum { USBG_ERROR_INVALID_PARAM = -3, USBG_ERROR_NOT_FOUND = -4, USBG_ERROR_IO = -5, + USBG_ERROR_EXIST = -6, USBG_ERROR_OTHER_ERROR = -99 } usbg_error; @@ -255,10 +256,11 @@ extern usbg_config *usbg_get_config(usbg_gadget *g, const char *name); * @param name Name of the gadget * @param idVendor Gadget vendor ID * @param idProduct Gadget product ID - * @return Pointer to gadget or NULL if the gadget cannot be created + * @param g Pointer to be filled with pointer to gadget + * @return 0 on success usbg_error if error occurred */ -extern usbg_gadget *usbg_create_gadget_vid_pid(usbg_state *s, char *name, - uint16_t idVendor, uint16_t idProduct); +extern int usbg_create_gadget_vid_pid(usbg_state *s, char *name, + uint16_t idVendor, uint16_t idProduct, usbg_gadget **g); /** * @brief Create a new USB gadget device and set given attributes @@ -267,18 +269,20 @@ extern usbg_gadget *usbg_create_gadget_vid_pid(usbg_state *s, char *name, * @param name Name of the gadget * @param g_attrs Gadget attributes to be set. If NULL setting is omitted. * @param g_strs Gadget strings to be set. If NULL setting is omitted. + * @param g Pointer to be filled with pointer to gadget * @note Given strings are assumed to be in US English - * @return Pointer to gadget or NULL if the gadget cannot be created + * @return 0 on success usbg_error if error occurred */ -extern usbg_gadget *usbg_create_gadget(usbg_state *s, char *name, - usbg_gadget_attrs *g_attrs, usbg_gadget_strs *g_strs); +extern int usbg_create_gadget(usbg_state *s, char *name, + usbg_gadget_attrs *g_attrs, usbg_gadget_strs *g_strs, usbg_gadget **g); /** * @brief Set the USB gadget attributes * @param g Pointer to gadget * @param g_attrs Gadget attributes + * @return 0 on success usbg_error if error occurred */ -extern void usbg_set_gadget_attrs(usbg_gadget *g, +extern int usbg_set_gadget_attrs(usbg_gadget *g, usbg_gadget_attrs *g_attrs); /** @@ -383,8 +387,9 @@ extern usbg_gadget_strs *usbg_get_gadget_strs(usbg_gadget *g, int lang, * @param g Pointer to gadget * @param lang USB language ID * @param g_sttrs Gadget attributes + * @return 0 on success usbg_error if error occurred */ -extern void usbg_set_gadget_strs(usbg_gadget *g, int lang, +extern int usbg_set_gadget_strs(usbg_gadget *g, int lang, usbg_gadget_strs *g_strs); /** |