/*
* Expanded form of the path-walk routine, with the common arguments, builds
* the nameidata bundle and calls path-walk.
*/
int
_sysio_namei(struct pnode *parent,
const char *path,
unsigned flags,
struct intent *intnt,
struct pnode **pnop)
{
struct nameidata nameidata;
int err;
ND_INIT(&nameidata, flags, STRIP_PREFIX(path), _sysio_root, intnt);
err = _sysio_path_walk(parent, &nameidata);
if (!err)
*pnop = nameidata.nd_pno;
return err;
}
void _usb_log_v(enum USB_LOG_LEVEL level,
const char* app_name,
const char* function,
const char* format,
va_list args)
{
char local_buffer[LOGBUF_SIZE];
int totalCount, count;
const char* prefix;
const char* func;
char* buffer;
int masked_level;
int app_prefix_func_end;
#ifndef LOG_STYLE_SHORT
const char** skip_list = NULL;
#endif
masked_level = GetLogLevel(level);
if (__usb_log_level < masked_level && masked_level != LOG_ERROR) return;
buffer = local_buffer;
totalCount = 0;
count = 0;
prefix = log_level_string[masked_level];
func = function;
app_prefix_func_end = 0;
if (masked_level > LOG_LEVEL_MAX) masked_level = LOG_LEVEL_MAX;
if ((level & LOG_RAW) == LOG_RAW)
{
count = _vsnprintf(buffer, LOGBUF_SIZE-1, format, args);
if (count > 0)
{
buffer += count;
totalCount += count;
}
}
else
{
#ifdef LOG_STYLE_SHORT
if ((prefix) && strlen(prefix))
{
count = _snprintf(buffer, (LOGBUF_SIZE-1), "%s: ", prefix);
}
else
{
count = 0;
}
func = "";
#else
func = function;
if (func)
{
// strip some prefixes to shorten function names
skip_list=skipped_function_prefix;
while(*skip_list && ((func)) && func[0])
{
func = STRIP_PREFIX(func,skip_list[0]);
skip_list++;
}
}
if(!func) func="none";
// print app name, level string and short function name
if ((prefix) && strlen(prefix))
{
count = _snprintf(buffer, (LOGBUF_SIZE-1), "%s:%s [%s] ", app_name, prefix, func);
}
else
{
count = _snprintf(buffer, (LOGBUF_SIZE-1), "%s:[%s] ", app_name, func);
}
#endif
if (count >= 0)
{
app_prefix_func_end = count;
buffer += count;
totalCount += count;
count = _vsnprintf(buffer, (LOGBUF_SIZE-1) - totalCount, format, args);
if (count > 0)
{
buffer += count;
totalCount += count;
}
}
}
if (count < 0)
totalCount = LOGBUF_SIZE - 1;
// make sure its null terminated
local_buffer[totalCount] = 0;
#if (!IS_DRIVER)
if (masked_level == LOG_ERROR)
{
// if this is an error message then store it
strncpy(usb_error_str, local_buffer, totalCount);
usb_error_str[totalCount] = '\0';
usb_error_type = USB_ERROR_TYPE_STRING;
}
#endif
if (user_log_hander)
{
if (user_log_hander(level, app_name, prefix, func, app_prefix_func_end, local_buffer, totalCount))
return;
}
if (__usb_log_level >= masked_level)
{
usb_log_def_handler(level, app_name, prefix, func, app_prefix_func_end, local_buffer, totalCount);
}
}
