Annotation of mandoc/compat_strnlen.c, Revision 1.1
1.1 ! schwarze 1: #ifdef HAVE_CONFIG_H
! 2: #include "config.h"
! 3: #endif
! 4:
! 5: #ifdef HAVE_STRNLEN
! 6:
! 7: int dummy;
! 8:
! 9: #else
! 10:
! 11: /* ($)OpenBSD: strnlen.c,v 1.4 2012/04/26 01:22:31 matthew Exp $ */
! 12:
! 13: /*
! 14: * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
! 15: *
! 16: * Permission to use, copy, modify, and distribute this software for any
! 17: * purpose with or without fee is hereby granted, provided that the above
! 18: * copyright notice and this permission notice appear in all copies.
! 19: *
! 20: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 21: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 22: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 23: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 24: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 25: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 26: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 27: */
! 28:
! 29: #include <sys/types.h>
! 30: #include <string.h>
! 31:
! 32: size_t
! 33: strnlen(const char *str, size_t maxlen)
! 34: {
! 35: const char *cp;
! 36:
! 37: for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--)
! 38: ;
! 39:
! 40: return (size_t)(cp - str);
! 41: }
! 42:
! 43: #endif
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