diff options
Diffstat (limited to 'sysdeps/mach/munmap.c')
| -rw-r--r-- | sysdeps/mach/munmap.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/mach/munmap.c b/sysdeps/mach/munmap.c index f8c416f76f..cfd5daa3c1 100644 --- a/sysdeps/mach/munmap.c +++ b/sysdeps/mach/munmap.c @@ -27,6 +27,13 @@ int __munmap (__ptr_t addr, size_t len) { kern_return_t err; + + if (addr == 0) + { + errno = EINVAL; + return -1; + } + if (err = __vm_deallocate (__mach_task_self (), (vm_address_t) addr, (vm_size_t) len)) { |