Expand SAFE_* macros and functions.

Add safe macros / functions for:
1. getcwd.
2. getpwnam.
3. malloc.
4. mmap.
5. munmap.
6. setgid.
7. setuid.

This function calls are widely used in LTP testcases.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
2 files changed