1 files changed, 22 insertions, 0 deletions
diff --git a/05/musl-0.6.0/src/mman/mmap.c b/05/musl-0.6.0/src/mman/mmap.c
new file mode 100644
index 0000000..5be6e12
--- /dev/null
+++ b/05/musl-0.6.0/src/mman/mmap.c
@@ -0,0 +1,22 @@
+#include <unistd.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <limits.h>
+#include "syscall.h"
+#include "libc.h"
+
+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
+}
+
+weak_alias(__mmap, mmap);
+
+LFS64(mmap);