diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/bionic/mmap.cpp | 8 | ||||
| -rw-r--r-- | libc/include/sys/mman.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/libc/bionic/mmap.cpp b/libc/bionic/mmap.cpp index febc459fa..75bea588f 100644 --- a/libc/bionic/mmap.cpp +++ b/libc/bionic/mmap.cpp @@ -37,13 +37,13 @@ extern "C" void* __mmap2(void*, size_t, int, int, int, size_t); #define MMAP2_SHIFT 12 // 2**12 == 4096 -void* mmap(void* addr, size_t size, int prot, int flags, int fd, off_t offset) { +void* mmap64(void* addr, size_t size, int prot, int flags, int fd, off64_t offset) { if (offset & ((1UL << MMAP2_SHIFT)-1)) { errno = EINVAL; return MAP_FAILED; } - size_t unsigned_offset = static_cast<size_t>(offset); // To avoid sign extension. + uint64_t unsigned_offset = static_cast<uint64_t>(offset); // To avoid sign extension. void* result = __mmap2(addr, size, prot, flags, fd, unsigned_offset >> MMAP2_SHIFT); if (result != MAP_FAILED && (flags & (MAP_PRIVATE | MAP_ANONYMOUS)) != 0) { @@ -53,3 +53,7 @@ void* mmap(void* addr, size_t size, int prot, int flags, int fd, off_t offset) { return result; } + +void* mmap(void* addr, size_t size, int prot, int flags, int fd, off_t offset) { + return mmap64(addr, size, prot, flags, fd, static_cast<off64_t>(offset)); +} diff --git a/libc/include/sys/mman.h b/libc/include/sys/mman.h index 7a3297430..7c5f8d774 100644 --- a/libc/include/sys/mman.h +++ b/libc/include/sys/mman.h @@ -45,6 +45,7 @@ __BEGIN_DECLS #define MREMAP_FIXED 2 extern void* mmap(void *, size_t, int, int, int, off_t); +extern void* mmap64(void *, size_t, int, int, int, off64_t); extern int munmap(void *, size_t); extern int msync(const void *, size_t, int); extern int mprotect(const void *, size_t, int); |