diff options
Diffstat (limited to 'third_party/heimdal/lib/roken/strlcpy.c')
-rw-r--r-- | third_party/heimdal/lib/roken/strlcpy.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/strlcpy.c b/third_party/heimdal/lib/roken/strlcpy.c new file mode 100644 index 0000000..0fe2b97 --- /dev/null +++ b/third_party/heimdal/lib/roken/strlcpy.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 1995-2002 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <config.h> +#include "roken.h" + +#ifndef HAVE_STRLCPY + +#if defined(_MSC_VER) && _MSC_VER >= 1400 + +ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL +strlcpy (char *dst, const char *src, size_t dst_cch) +{ + errno_t e; + + if (dst_cch > 0) + e = strncpy_s(dst, dst_cch, src, _TRUNCATE); + + return strlen (src); +} + +#else + +ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL +strlcpy (char *dst, const char *src, size_t dst_sz) +{ + size_t n; + + for (n = 0; n < dst_sz; n++) { + if ((*dst++ = *src++) == '\0') + break; + } + + if (n < dst_sz) + return n; + if (n > 0) + *(dst - 1) = '\0'; + return n + strlen (src); +} + +#endif + +#endif |