diff options
| -rw-r--r-- | libcutils/native_handle.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/libcutils/native_handle.c b/libcutils/native_handle.c index 4089968..61fa38e 100644 --- a/libcutils/native_handle.c +++ b/libcutils/native_handle.c @@ -25,14 +25,22 @@ #include <cutils/log.h> #include <cutils/native_handle.h> +static const int kMaxNativeFds = 1024; +static const int kMaxNativeInts = 1024; + native_handle_t* native_handle_create(int numFds, int numInts) { - native_handle_t* h = malloc( - sizeof(native_handle_t) + sizeof(int)*(numFds+numInts)); + if (numFds < 0 || numInts < 0 || numFds > kMaxNativeFds || numInts > kMaxNativeInts) { + return NULL; + } - h->version = sizeof(native_handle_t); - h->numFds = numFds; - h->numInts = numInts; + size_t mallocSize = sizeof(native_handle_t) + (sizeof(int) * (numFds + numInts)); + native_handle_t* h = malloc(mallocSize); + if (h) { + h->version = sizeof(native_handle_t); + h->numFds = numFds; + h->numInts = numInts; + } return h; } |