freebsd-dev/contrib/libfido2/openbsd-compat/strsep.c
Ed Maste f540a43052 libfido2: update to 1.9.0
Some highlights from NEWS:

 ** Added OpenSSL 3.0 compatibility.
 ** Removed OpenSSL 1.0 compatibility.
 ** Support for FIDO 2.1 "minPinLength" extension.
 ** Support for COSE_EDDSA, COSE_ES256, and COSE_RS1 attestation.
 ** Support for TPM 2.0 attestation.
 ** Support for device timeouts; see fido_dev_set_timeout().
 ** New API calls:
  - es256_pk_from_EVP_PKEY;
  - fido_cred_attstmt_len;
  - fido_cred_attstmt_ptr;
  - fido_cred_pin_minlen;
  - fido_cred_set_attstmt;
  - fido_cred_set_pin_minlen;
  - fido_dev_set_pin_minlen_rpid;
  - fido_dev_set_timeout;
  - rs256_pk_from_EVP_PKEY.
 ** Reliability and portability fixes.
 ** Better handling of HID devices without identification strings; gh#381.

Relnotes:       Yes
Sponsored by:   The FreeBSD Foundation
2023-05-05 19:11:52 -04:00

80 lines
2.6 KiB
C

/* $OpenBSD: strsep.c,v 1.6 2005/08/08 08:05:37 espie Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* OPENBSD ORIGINAL: lib/libc/string/strsep.c */
#include "openbsd-compat.h"
#if !defined(HAVE_STRSEP)
#include <string.h>
#include <stdio.h>
/*
* Get next token from string *stringp, where tokens are possibly-empty
* strings separated by characters from delim.
*
* Writes NULs into the string at *stringp to end tokens.
* delim need not remain constant from call to call.
* On return, *stringp points past the last NUL written (if there might
* be further tokens), or is NULL (if there are definitely no more tokens).
*
* If *stringp is NULL, strsep returns NULL.
*/
char *
strsep(char **stringp, const char *delim)
{
char *s;
const char *spanp;
int c, sc;
char *tok;
if ((s = *stringp) == NULL)
return (NULL);
for (tok = s;;) {
c = *s++;
spanp = delim;
do {
if ((sc = *spanp++) == c) {
if (c == 0)
s = NULL;
else
s[-1] = 0;
*stringp = s;
return (tok);
}
} while (sc != 0);
}
/* NOTREACHED */
}
#endif /* !defined(HAVE_STRSEP) */