diff options
Diffstat (limited to 'libc/sysdeps/linux/common')
| -rw-r--r-- | libc/sysdeps/linux/common/mmap64.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/common/mmap64.c b/libc/sysdeps/linux/common/mmap64.c index 152e7296b..3c99769d3 100644 --- a/libc/sysdeps/linux/common/mmap64.c +++ b/libc/sysdeps/linux/common/mmap64.c @@ -14,7 +14,7 @@ libc_hidden_proto(mmap) -#if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS != 64 +#if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS != 64 # undef _FILE_OFFSET_BITS # define _FILE_OFFSET_BITS 64 #endif @@ -22,36 +22,38 @@ libc_hidden_proto(mmap) # define __USE_LARGEFILE64 1 #endif /* We absolutely do _NOT_ want interfaces silently - * * renamed under us or very bad things will happen... */ + * renamed under us or very bad things will happen... + */ #ifdef __USE_FILE_OFFSET64 # undef __USE_FILE_OFFSET64 #endif -# if ! defined __NR_mmap2 || ! defined _syscall6 +# if !defined __NR_mmap2 || !defined _syscall6 -/* +/* * This version is a stub that just chops off everything at the mmap 32 bit * mmap() address space... You will probably need to add in an arch specific * implementation to override this as there is not a generic way for me to * implement this particular syscall if your arch lacks _syscall6... * -*/ + */ __ptr_t mmap64(__ptr_t addr, size_t len, int prot, int flags, int fd, __off64_t offset) { - if (offset != (off_t) offset || (offset + len) != (off_t) (offset + len)) { - __set_errno (EINVAL); + if (offset != (off_t) offset || + (offset + len) != (off_t) (offset + len)) { + __set_errno(EINVAL); return MAP_FAILED; } - return mmap (addr, len, prot, flags, fd, (off_t) offset); + return mmap(addr, len, prot, flags, fd, (off_t) offset); } # else # define __NR___syscall_mmap2 __NR_mmap2 -static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, - size_t, len, int, prot, int, flags, int, fd, off_t, offset); +static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len, + int, prot, int, flags, int, fd, off_t, offset); /* Some architectures always use 12 as page shift for mmap2() eventhough the * real PAGE_SHIFT != 12. Other architectures use the same value as @@ -64,10 +66,11 @@ static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, __ptr_t mmap64(__ptr_t addr, size_t len, int prot, int flags, int fd, __off64_t offset) { if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) { - __set_errno (EINVAL); + __set_errno(EINVAL); return MAP_FAILED; } - return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT))); + + return __syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)); } # endif |