diff options
Diffstat (limited to 'src/lib/safe-memset.c')
-rw-r--r-- | src/lib/safe-memset.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lib/safe-memset.c b/src/lib/safe-memset.c new file mode 100644 index 0000000..3062a41 --- /dev/null +++ b/src/lib/safe-memset.c @@ -0,0 +1,17 @@ +/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */ + +#include "lib.h" +#include "safe-memset.h" + +void safe_memset(void *data, int c, size_t size) +{ + volatile unsigned int volatile_zero_idx = 0; + volatile unsigned char *p = data; + + if (size == 0) + return; + + do { + memset(data, c, size); + } while (p[volatile_zero_idx] != c); +} |