diff options
| -rw-r--r-- | subhook_unix.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/subhook_unix.c b/subhook_unix.c index d0d1251..6a5410b 100644 --- a/subhook_unix.c +++ b/subhook_unix.c @@ -40,15 +40,18 @@ int subhook_unprotect(void *address, size_t size) { } void *subhook_alloc_code(size_t size) { - return mmap(NULL, - size, - SUBHOOK_CODE_PROTECT_FLAGS, - #ifdef MAP_32BIT - MAP_32BIT | - #endif - MAP_PRIVATE | MAP_ANONYMOUS, - -1, - 0); + void *address; + + address = mmap(NULL, + size, + SUBHOOK_CODE_PROTECT_FLAGS, + #if defined MAP_32BIT && !defined __APPLE__ + MAP_32BIT | + #endif + MAP_PRIVATE | MAP_ANONYMOUS, + -1, + 0); + return address == MAP_FAILED ? NULL : address; } int subhook_free_code(void *address, size_t size) { |