diff options
| author | roland <roland> | 2005-08-25 01:14:57 +0000 |
|---|---|---|
| committer | roland <roland> | 2005-08-25 01:14:57 +0000 |
| commit | e50a0b1b1d96d74e95ea332a237521cdafd8a257 (patch) | |
| tree | d6f504089659f0f45e3e60dd5c6c879f1debfb1b | |
| parent | 7e1279ea10e599ebadd117b6ee952dd582cb25ab (diff) | |
| download | systemtap-steved-e50a0b1b1d96d74e95ea332a237521cdafd8a257.tar.gz systemtap-steved-e50a0b1b1d96d74e95ea332a237521cdafd8a257.tar.xz systemtap-steved-e50a0b1b1d96d74e95ea332a237521cdafd8a257.zip | |
2005-08-24 Roland McGrath <roland@redhat.com>
* loc2c-runtime.h (deref_string): New macro.
| -rw-r--r-- | runtime/loc2c-runtime.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/runtime/loc2c-runtime.h b/runtime/loc2c-runtime.h index ca26aa3b..aa6823fd 100644 --- a/runtime/loc2c-runtime.h +++ b/runtime/loc2c-runtime.h @@ -171,3 +171,10 @@ }) #endif + +#define deref_string(dst, addr, maxbytes) + ({ + if (__strncpy_from_user ((dst), (const char __user *) (addr), (maxbytes))) + goto deref_fault; + (dst); + }) |