memstr.c revision 7fad02ee84994b49ae4b1505c21b22149e44d2a5
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#if defined(_BOOT)
#else
#endif
/*
* Implementations of functions described in memory(3C).
* These functions match the section 3C manpages.
*/
void *
{
#if defined(_BOOT)
#else
#endif
return (s1);
}
void *
{
unsigned char *t;
if ((unsigned char)c == '\0')
bzero(s, n);
else {
for (t = (unsigned char *)s; n > 0; n--)
*t++ = (unsigned char)c;
}
return (s);
}
int
{
do {
} while (--n != 0);
}
return (0);
}
/*
* The SunStudio compiler may generate calls to _memcpy and so we
* need to make sure that the correct symbol exists for these calls.
*/
void *
{
return (s1);
}
void *
{
if (n != 0) {
unsigned char c = (unsigned char)c1;
do {
if (*sp++ == c)
return ((void *)--sp);
} while (--n != 0);
}
return (NULL);
}