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Diffstat (limited to 'replace/strnlen.c')
-rw-r--r-- | replace/strnlen.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/replace/strnlen.c b/replace/strnlen.c new file mode 100644 index 0000000..8b3bcd2 --- /dev/null +++ b/replace/strnlen.c @@ -0,0 +1,31 @@ +#include <lha_internal.h> +#include <string.h> +/* + * Copyright (C) 2003 Alan Robertson <alanr@unix.sh> + * This software licensed under the GNU LGPL. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +size_t +strnlen(const char *s, size_t maxlen) +{ + const char * eospos; + + eospos = memchr(s, (int)'\0', maxlen); + + return (eospos == NULL ? maxlen : (size_t)(eospos-s)); +} |