diff options
author | Brian Behlendorf <[email protected]> | 2008-12-11 11:22:02 -0800 |
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committer | Brian Behlendorf <[email protected]> | 2008-12-11 11:22:02 -0800 |
commit | b453b61272db34cd097f8636f57033785b00d932 (patch) | |
tree | 7b34209275befd3b3c99f3597cfcc83c1266d714 /lib/libspl/strlcat.c | |
parent | 4b7ee081ce0c36750d8039ec98c160a0a1ec471b (diff) |
Fix libspl move to the wrong place
Diffstat (limited to 'lib/libspl/strlcat.c')
-rw-r--r-- | lib/libspl/strlcat.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/libspl/strlcat.c b/lib/libspl/strlcat.c new file mode 100644 index 000000000..07d1403dd --- /dev/null +++ b/lib/libspl/strlcat.c @@ -0,0 +1,59 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include "lint.h" +#include <string.h> +#include <sys/types.h> + +/* + * Appends src to the dstsize buffer at dst. The append will never + * overflow the destination buffer and the buffer will always be null + * terminated. Never reference beyond &dst[dstsize-1] when computing + * the length of the pre-existing string. + */ + +size_t +strlcat(char *dst, const char *src, size_t dstsize) +{ + char *df = dst; + size_t left = dstsize; + size_t l1; + size_t l2 = strlen(src); + size_t copied; + + while (left-- != 0 && *df != '\0') + df++; + l1 = df - dst; + if (dstsize == l1) + return (l1 + l2); + + copied = l1 + l2 >= dstsize ? dstsize - l1 - 1 : l2; + (void) memcpy(dst + l1, src, copied); + dst[l1+copied] = '\0'; + return (l1 + l2); +} |