diff options
Diffstat (limited to 'sys/src/mmap.c')
-rw-r--r-- | sys/src/mmap.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/src/mmap.c b/sys/src/mmap.c index fb5c5f4..21d927b 100644 --- a/sys/src/mmap.c +++ b/sys/src/mmap.c @@ -1 +1,17 @@ #include "internal.h" + +int +sys·mmap(void *start, uintptr len, int protect, int flags, int fd, intptr off, void **buf) +{ + long ret; + if(len >= PTRDIFF_MAX) + return sys·ErrorNoMemory; + + ret = syscall(·MMap, start, len, protect, flags, fd, off); + if(ret < 0){ + *buf = nil; + return -ret; + } + *buf = (void*)ret; + return 0; +} |