diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-11-13 21:33:45 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-11-13 21:33:45 +0000 |
| commit | c000004e8af197ebfc743eca7183bc0b012df79e (patch) | |
| tree | 9e6c7d69c2db29b33d7e7c36897362892ff663c2 /sys | |
| parent | 484b04e91e4385a2f1d849fc8c9ff35df432dfec (diff) | |
overflow fixes; chuq
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/alpha/alpha/locore.s | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/arch/alpha/alpha/locore.s b/sys/arch/alpha/alpha/locore.s index e7ed78d46bb..5567c507053 100644 --- a/sys/arch/alpha/alpha/locore.s +++ b/sys/arch/alpha/alpha/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.10 1999/09/26 11:07:32 kstailey Exp $ */ +/* $OpenBSD: locore.s,v 1.11 1999/11/13 21:33:44 deraadt Exp $ */ /* $NetBSD: locore.s,v 1.27 1996/12/03 19:54:16 cgd Exp $ */ /* @@ -858,7 +858,9 @@ LEAF(copystr, 4) LDGP(pv) mov a2, t0 /* t0 = i = len */ - beq a2, Lcopystr2 /* if (len == 0), bail out */ + bne a2, Lcopystr1 /* if (len != 0), proceed */ + ldiq t1, 1 /* else bail */ + br zero, Lcopystr2 Lcopystr1: ldq_u t1, 0(a0) /* t1 = *from */ @@ -882,7 +884,7 @@ Lcopystr2: Lcopystr3: beq t1, Lcopystr4 /* *from == '\0'; leave quietly */ - ldiq v0, ENAMETOOLONG /* *from != '\0'; error. */ + ldiq v0, ENAMETOOLONG /* *from != '\0'; error. */ RET Lcopystr4: |