diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index c9d2767..d7fd219 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -27,6 +27,15 @@ config SYS_HZ get_timer() must operate in milliseconds and this option must be set to 1000. +config SYS_VSNPRINTF + bool "Enable safe version of sprintf()" + help + Since sprintf() can overflow its buffer, it is common to use + snprintf() instead, which knows the buffer size and can avoid + overflow. However, this does increase code size slightly (for + Thumb-2, about 420 bytes). Enable this option for safety when + using sprintf() with data you do not control. + source lib/rsa/Kconfig menu "Hashing Support" |