strlcpy.c
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上传日期:2020-07-06
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midi
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Unix_Linux
- /*****************************************************************************
- * strlcpy.c: BSD strlcpy() replacement
- *****************************************************************************
- * Copyright © 2006 Rémi Denis-Courmont
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
- #include <stddef.h>
- /**
- * Copy a string to a sized buffer. The result is always nul-terminated
- * (contrary to strncpy()).
- *
- * @param dest destination buffer
- * @param src string to be copied
- * @param len maximum number of characters to be copied plus one for the
- * terminating nul.
- *
- * @return strlen(src)
- */
- size_t strlcpy (char *tgt, const char *src, size_t bufsize)
- {
- size_t length;
- for (length = 1; (length < bufsize) && *src; length++)
- *tgt++ = *src++;
- if (bufsize)
- *tgt = ' ';
- while (*src++)
- length++;
- return length - 1;
- }