diff options
| -rw-r--r-- | lib/vsprintf.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index cbab1df150c..01729024126 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -825,6 +825,17 @@ int vsscanf(const char * buf, const char * fmt, va_list args) break; str = next; } + + /* + * Now we've come all the way through so either the input string or the + * format ended. In the former case, there can be a %n at the current + * position in the format that needs to be filled. + */ + if (*fmt == '%' && *(fmt + 1) == 'n') { + int *p = (int *)va_arg(args, int *); + *p = str - buf; + } + return num; } |