diff options
Diffstat (limited to '05/musl-0.6.0/src/mman/mmap.c')
| -rw-r--r-- | 05/musl-0.6.0/src/mman/mmap.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/05/musl-0.6.0/src/mman/mmap.c b/05/musl-0.6.0/src/mman/mmap.c index 5be6e12..665e2ec 100644 --- a/05/musl-0.6.0/src/mman/mmap.c +++ b/05/musl-0.6.0/src/mman/mmap.c @@ -17,6 +17,16 @@ void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off) #endif } -weak_alias(__mmap, mmap); +void *mmap(void *start, size_t len, int prot, int flags, int fd, off_t off) +{ + if (sizeof(off_t) > sizeof(long)) + if (((long)off & 0xfff) | ((long)((unsigned long long)off>>(12 + 8*(sizeof(off_t)-sizeof(long)))))) + start = (void *)-1; +#ifdef __NR_mmap2 + return (void *)syscall6(__NR_mmap2, (long)start, len, prot, flags, fd, off>>12); +#else + return (void *)syscall6(__NR_mmap, (long)start, len, prot, flags, fd, off); +#endif +} LFS64(mmap); |