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Enable FORTIFY and FORMAT SECURITY compile flags

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1. Enable below 2 defenses in Makefile
   "-O2 -D_FORTIFY_SOURCE=2"
   "-Wformat -Wformat-security"

2. Update related source code impacted by above 2 flags

Change-Id: Ib42214848f030b4cf508cd7c52a7e3cc809435d9
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang
2018-03-13 17:02:51 +08:00
committed by Jack Ren
parent 155be81dbf
commit b6d73be1a6
9 changed files with 81 additions and 37 deletions
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14
devicemodel/hw/platform/uart_core.c
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@@ -148,16 +148,20 @@ ttyread(struct ttyfd *tf)
{
unsigned char rb;
if (read(tf->fd, &rb, 1) == 1)
if (read(tf->fd, &rb, 1) > 0)
return rb;
else
return -1;
return -1;
}
static void
static int
ttywrite(struct ttyfd *tf, unsigned char wb)
{
(void)write(tf->fd, &wb, 1);
if (write(tf->fd, &wb, 1) > 0)
return 1;
return -1;
}
static void