diff options
| author |   deraadt <deraadt@openbsd.org> | 2014-05-03 12:36:45 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2014-05-03 12:36:45 +0000 |
| commit | 6b86ff879b2a2d4b68b2dcc80eb96bbf1f99247f (patch) | |
| tree | d1a6c88fadfee063108e976899d1839d796e2c62 /lib/libc/stdio/vfprintf.c | |
| parent | Enable assembler bits for BN (Montgomery), SHA1 and SHA256. (diff) | |
| download | wireguard-openbsd-6b86ff879b2a2d4b68b2dcc80eb96bbf1f99247f.tar.xz wireguard-openbsd-6b86ff879b2a2d4b68b2dcc80eb96bbf1f99247f.zip | |
Add #ifndef NO_PRINTF_PERCENT_N. Since we are fully standardized, we
don't use disable %n ourselves. But Google's Android libc is based
on our libc.... Giving them an easy knob to disable this dangerous
feature easily make their job easier without making our job any harder.
Request from Elliott @ google
Diffstat (limited to 'lib/libc/stdio/vfprintf.c')
| -rw-r--r-- | lib/libc/stdio/vfprintf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c index 86b540e92c0..7f8ff317794 100644 --- a/lib/libc/stdio/vfprintf.c +++ b/lib/libc/stdio/vfprintf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vfprintf.c,v 1.65 2014/03/19 05:17:01 guenther Exp $ */ +/* $OpenBSD: vfprintf.c,v 1.66 2014/05/03 12:36:45 deraadt Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. @@ -801,6 +801,7 @@ fp_common: } break; #endif /* FLOATING_POINT */ +#ifndef NO_PRINTF_PERCENT_N case 'n': if (flags & LLONGINT) *GETARG(long long *) = ret; @@ -819,6 +820,7 @@ fp_common: else *GETARG(int *) = ret; continue; /* no output */ +#endif /* NO_PRINTF_PERCENT_N */ case 'O': flags |= LONGINT; /*FALLTHROUGH*/ @@ -1317,6 +1319,7 @@ reswitch: switch (ch) { ADDTYPE(T_DOUBLE); break; #endif /* FLOATING_POINT */ +#ifndef NO_PRINTF_PERCENT_N case 'n': if (flags & LLONGINT) ADDTYPE(TP_LLONG); @@ -1333,6 +1336,7 @@ reswitch: switch (ch) { else ADDTYPE(TP_INT); continue; /* no output */ +#endif /* NO_PRINTF_PERCENT_N */ case 'O': flags |= LONGINT; /*FALLTHROUGH*/ |