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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:52:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:52:51 +0000 |
commit | 71507ca5d2410b11889ca963fafcd1bcad5044c3 (patch) | |
tree | 17e6d07243d49e29e4b75887e0d07f24ec2b66e8 /src/strlcpy.c | |
parent | Initial commit. (diff) | |
download | file-71507ca5d2410b11889ca963fafcd1bcad5044c3.tar.xz file-71507ca5d2410b11889ca963fafcd1bcad5044c3.zip |
Adding upstream version 1:5.44.upstream/1%5.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/strlcpy.c')
-rw-r--r-- | src/strlcpy.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/strlcpy.c b/src/strlcpy.c new file mode 100644 index 0000000..ed1f4cc --- /dev/null +++ b/src/strlcpy.c @@ -0,0 +1,57 @@ +/* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */ + +/* + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* OPENBSD ORIGINAL: lib/libc/string/strlcpy.c */ +#include "file.h" +#ifndef lint +FILE_RCSID("@(#)$File: strlcpy.c,v 1.5 2022/09/24 20:30:13 christos Exp $") +#endif + +#include <sys/types.h> +#include <string.h> + +/* + * Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns strlen(src); if retval >= siz, truncation occurred. + */ +size_t +strlcpy(char *dst, const char *src, size_t siz) +{ + char *d = dst; + const char *s = src; + size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} |