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/*
* ----------------------------------------------------------------------
* Copyright © 2005-2014 Rich Felker, et al.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* ----------------------------------------------------------------------
*
* Adapted from http://www.musl-libc.org/ for libnss-cache
* Copyright © 2015 Kevin Bowling <k@kev009.com>
*/
#include <sys/param.h>
#ifdef BSD
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
static unsigned atou(char **s)
{
unsigned x;
for (x=0; **s-'0'<10U; ++*s) x=10*x+(**s-'0');
return x;
}
int fgetpwent_r(FILE *f, struct passwd *pw, char *line, size_t size, struct passwd **res)
{
char *s;
int rv = 0;
for (;;) {
line[size-1] = '\xff';
if ( (fgets(line, size, f) == NULL) || ferror(f) || line[size-1] != '\xff' ) {
rv = (line[size-1] != '\xff') ? ERANGE : ENOENT;
line = 0;
pw = 0;
break;
}
line[strcspn(line, "\n")] = 0;
s = line;
pw->pw_name = s++;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; pw->pw_passwd = s;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; pw->pw_uid = atou(&s);
if (*s != ':') continue;
*s++ = 0; pw->pw_gid = atou(&s);
if (*s != ':') continue;
*s++ = 0; pw->pw_gecos = s;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; pw->pw_dir = s;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; pw->pw_shell = s;
break;
}
*res = pw;
if (rv) errno = rv;
return rv;
}
#endif // ifdef BSD
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