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-rw-r--r--sys/src/libsunrpc/rpc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/src/libsunrpc/rpc.c b/sys/src/libsunrpc/rpc.c
index 657e04233..ee075c57c 100644
--- a/sys/src/libsunrpc/rpc.c
+++ b/sys/src/libsunrpc/rpc.c
@@ -428,8 +428,9 @@ sunStringUnpack(uchar *a, uchar *ea, uchar **pa, char **s, u32int max)
goto Err;
/* slide string down over length to make room for NUL */
memmove(dat-1, dat, n);
- dat[-1+n] = 0;
- *s = (char*)(dat-1);
+ dat--;
+ dat[n] = 0;
+ *s = (char*)dat;
return 0;
Err:
return -1;