Module Name: src
Committed By: matt
Date: Fri Dec 11 17:17:51 UTC 2009
Modified Files:
src/sys/arch/mips/mips [matt-nb5-mips64]: copy.S
Log Message:
Cleanup/add some comments.
To generate a diff of this commit:
cvs rdiff -u -r1.5.38.5 -r1.5.38.6 src/sys/arch/mips/mips/copy.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/mips/mips/copy.S
diff -u src/sys/arch/mips/mips/copy.S:1.5.38.5 src/sys/arch/mips/mips/copy.S:1.5.38.6
--- src/sys/arch/mips/mips/copy.S:1.5.38.5 Sat Dec 5 07:40:02 2009
+++ src/sys/arch/mips/mips/copy.S Fri Dec 11 17:17:51 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: copy.S,v 1.5.38.5 2009/12/05 07:40:02 cliff Exp $ */
+/* $NetBSD: copy.S,v 1.5.38.6 2009/12/11 17:17:51 matt Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -91,9 +91,9 @@
/*
* int copyinstr(void *uaddr, void *kaddr, size_t maxlen, size_t *lencopied)
- * Copy a NIL-terminated string, at most maxlen characters long, from the
+ * Copy a NUL-terminated string, at most maxlen characters long, from the
* user's address space. Return the number of characters copied (including
- * the NIL) in *lencopied. If the string is too long, return ENAMETOOLONG;
+ * the NUL) in *lencopied. If the string is too long, return ENAMETOOLONG;
* else return 0 or EFAULT.
*/
LEAF(copyinstr)
@@ -108,7 +108,7 @@
lbu v0, 0(a0)
PTR_SUBU a2, a2, 1
beq v0, zero, 2f
- sb v0, 0(a1)
+ sb v0, 0(a1) # write trailing NUL
PTR_ADDU a0, a0, 1
bne a2, zero, 1b
PTR_ADDU a1, a1, 1
