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libusbgx: ffs: Add implementation of function specific API

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Implement all function-specific functions from header file

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
This commit is contained in:
Krzysztof Opasiak 2015-12-22 22:41:37 +01:00
parent 5ea221a027
commit e722c6395f
1 changed files with 39 additions and 4 deletions
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43
src/function/ffs.c
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@ -12,7 +12,9 @@
#include "usbg/usbg.h"
#include "usbg/usbg_internal.h"
#include "usbg/function/ffs.h"
#include <malloc.h>
#ifdef HAS_LIBCONFIG
#include <libconfig.h>
#endif
@ -48,11 +50,10 @@ static int ffs_get_attrs(struct usbg_function *f,
usbg_f_ffs_attrs *ffs_attrs = &(f_attrs->attrs.ffs);
int ret = USBG_SUCCESS;
ffs_attrs->dev_name = strdup(f->instance);
if (!ffs_attrs->dev_name) {
ret = USBG_ERROR_NO_MEM;
ret = usbg_f_fs_get_dev_name(usbg_to_fs_function(f),
(char **)&ffs_attrs->dev_name);
if (ret)
goto out;
}
f_attrs->header.attrs_type = USBG_F_ATTRS_FFS;
out:
@ -88,3 +89,37 @@ struct usbg_function_type usbg_f_type_ffs = {
.import = ffs_libconfig_import,
.export = ffs_libconfig_export,
};
/* API implementation */
usbg_f_fs *usbg_to_fs_function(usbg_function *f)
{
return f->ops == &usbg_f_type_ffs ?
container_of(f, struct usbg_f_fs, func) : NULL;
}
usbg_function *usbg_from_fs_function(usbg_f_fs *ff)
{
return &ff->func;
}
int usbg_f_fs_get_dev_name(usbg_f_fs *ff, char **dev_name)
{
if (!ff || !dev_name)
return USBG_ERROR_INVALID_PARAM;
*dev_name = strdup(ff->func.instance);
if (!*dev_name)
return USBG_ERROR_NO_MEM;
return 0;
}
int usbg_f_fs_get_dev_name_s(usbg_f_fs *ff, char *buf, int len)
{
if (!ff || !buf)
return USBG_ERROR_INVALID_PARAM;
return snprintf(buf, len, "%s", ff->func.instance);
}