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| author | Tom Rini <trini@konsulko.com> | 2016-01-14 13:02:03 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-01-19 08:31:16 -0500 |
| commit | 947c626dc5bfbc232cc0f41d16fa213a885ad234 (patch) | |
| tree | 4d1f6443abd9dd3cb74ab5a8abb6f7e7a46d82cc /README | |
| parent | 9c11135ce053904f4caadc27760f214425d9881a (diff) | |
| download | u-boot-947c626dc5bfbc232cc0f41d16fa213a885ad234.tar.gz | |
vsprintf.c: Always enable CONFIG_SYS_VSNPRINTF
Enabling this function always removes some class of string saftey issues.
The size change here in general is about 400 bytes and this seems a reasonable
trade-off.
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Peter Robinson <pbrobinson@gmail.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Adrian Alonso <aalonso@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 9 |
1 files changed, 0 insertions, 9 deletions
@@ -890,15 +890,6 @@ The following options need to be configured: 'Sane' compilers will generate smaller code if CONFIG_PRE_CON_BUF_SZ is a power of 2 -- Safe printf() functions - Define CONFIG_SYS_VSNPRINTF to compile in safe versions of - the printf() functions. These are defined in - include/vsprintf.h and include snprintf(), vsnprintf() and - so on. Code size increase is approximately 300-500 bytes. - If this option is not given then these functions will - silently discard their buffer size argument - this means - you are not getting any overflow checking in this case. - - Boot Delay: CONFIG_BOOTDELAY - in seconds Delay before automatically booting the default image; set to -1 to disable autoboot. |