e664c920cc01326359dc7bac7e46f40c7ba25936
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* Hypervisor Software File: prom_string.c
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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* ========== Copyright Header End ============================================
* Copyright (c) 2000-2003 Sun Microsystems, Inc.
* Use is subject to license terms.
#pragma ident "@(#)prom_string.c 1.1 00/08/07 SMI"
#include <sys/promimpl.h>
* a version of string copy that is bounded
prom_strncpy(register char *s1
, register char *s2
, size_t n
)
while (--n
!= 0 && (*s1
++ = *s2
++) != '\0')
prom_memccpy(register caddr_t s1
, register caddr_t s2
, int32_t c
, size_t n
)
while (--n
!= 0 && (*s1
++ = *s2
++) != (uchar_t
)c
)
* and one that knows no bounds
prom_strcpy(register char *s1
, register char *s2
)
prom_memcpy(register caddr_t s1
, register caddr_t s2
, size_t n
)
* a copy of string compare that is bounded
prom_strncmp(register char *s1
, register char *s2
, register size_t n
)
while (--n
!= 0 && *s1
== *s2
++)
return ((n
== 0) ? 0: (*s1
- s2
[-1]));
* and one that knows no bounds
prom_strcmp(register char *s1
, register char *s2
)
prom_memcmp(register caddr_t s1
, register caddr_t s2
, size_t n
)
* finds the length of a succession of non-NULL chars
prom_strlen(register char *s
)
* return the ptr in sp at which the character c last
* appears; 0 if not found
prom_strrchr(register char *sp
, register int32_t c
)
for (r
= (char *)0; *sp
!= (char)0; ++sp
)
* Concatenate string s2 to string s1
prom_strcat(register char *s1
, register char *s2
)
while ((*s1
) != ((char)0))
s1
++; /* find the end of string s1 */
while (*s1
++ = *s2
++) /* Concatenate s2 */
* Return the ptr in sp at which the character c first
* appears; NULL if not found
prom_strchr(register const char *sp
, register int32_t c
)
prom_memchr(register caddr_t sp
, register int32_t c
, register size_t n
)
* strstr() locates the first occurrence in the string s1 of
* the sequence of characters (excluding the terminating null
* character) in the string s2. strstr() returns a pointer
* to the located string, or a null pointer if the string is
* not found. If s2 is "", the function returns s1.
prom_strstr(register char *s1
, register char *s2
)
register int32_t len
= prom_strlen(s2
);
if ((s2
== NULL
) || (*s2
== '\0'))
for (; (p
= (char *)prom_strchr(p
, *s2
)) != 0; p
++) {
if (prom_strncmp(p
, s2
, len
) == 0) {
prom_memset(register caddr_t s
, register int c
, register size_t n
)