From e6a4feb763749ff0c63558db456e617915fd1386 Mon Sep 17 00:00:00 2001 From: hasso Date: Mon, 19 Sep 2005 09:53:21 +0000 Subject: * configure.ac: Test existance of strndup. * lib/str.[ch]: Add strndup() from glibc. --- lib/str.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'lib/str.c') diff --git a/lib/str.c b/lib/str.c index 00d03194..4ab71e19 100644 --- a/lib/str.c +++ b/lib/str.c @@ -11,6 +11,9 @@ Note that these are not terribly efficient, since they make more than one pass over the argument strings. At some point, they should be optimized. + + The implementation of strndup is copied from glibc-2.3.5: + Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc. */ @@ -89,3 +92,18 @@ strnlen(const char *s, size_t maxlen) return (p = (const char *)memchr(s, '\0', maxlen)) ? (size_t)(p-s) : maxlen; } #endif + +#ifndef HAVE_STRNDUP +char * +strndup (const char *s, size_t maxlen) +{ + size_t len = strnlen (s, maxlen); + char *new = (char *) malloc (len + 1); + + if (new == NULL) + return NULL; + + new[len] = '\0'; + return (char *) memcpy (new, s, len); +} +#endif -- cgit v1.2.1