diff options
Diffstat (limited to 'third_party/heimdal/lib/roken/strsep_copy.c')
-rw-r--r-- | third_party/heimdal/lib/roken/strsep_copy.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/strsep_copy.c b/third_party/heimdal/lib/roken/strsep_copy.c new file mode 100644 index 0000000..1228f1a --- /dev/null +++ b/third_party/heimdal/lib/roken/strsep_copy.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2000, 2002 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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 Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +#include <config.h> + +#include <string.h> + +#include "roken.h" + +#ifndef HAVE_STRSEP_COPY + +/* strsep, but with const stringp, so return string in buf */ + +ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL +strsep_copy(const char **stringp, const char *delim, char *buf, size_t len) +{ + const char *save = *stringp; + size_t l; + if(save == NULL) + return -1; + *stringp = *stringp + strcspn(*stringp, delim); + l = min(len, (size_t)(*stringp - save)); + if(len > 0) { + memcpy(buf, save, l); + buf[l] = '\0'; + } + + l = *stringp - save; + if(**stringp == '\0') + *stringp = NULL; + else + (*stringp)++; + return l; +} + +#endif |