diff options
Diffstat (limited to 'libc/pwd_grp/getspnam.c')
-rw-r--r-- | libc/pwd_grp/getspnam.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libc/pwd_grp/getspnam.c b/libc/pwd_grp/getspnam.c new file mode 100644 index 000000000..3865a0dc5 --- /dev/null +++ b/libc/pwd_grp/getspnam.c @@ -0,0 +1,61 @@ +/* + * getspnam.c - Based on getpwnam.c + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <shadow.h> + +#define PWD_BUFFER_SIZE 256 + +int getspnam_r (const char *name, struct spwd *spwd, + char *buff, size_t buflen, struct spwd **crap) +{ + int spwd_fd; + + if (name == NULL) { + __set_errno(EINVAL); + return -1; + } + + if ((spwd_fd = open(_PATH_SHADOW, O_RDONLY)) < 0) + return -1; + + while (__getspent_r(spwd, buff, buflen, spwd_fd) != -1) + if (!strcmp(spwd->sp_namp, name)) { + close(spwd_fd); + return 0; + } + + close(spwd_fd); + return -1; +} + +struct spwd *getspnam(const char *name) +{ + static char line_buff[PWD_BUFFER_SIZE]; + static struct spwd spwd; + + if (getspnam_r(name, &spwd, line_buff, PWD_BUFFER_SIZE, NULL) != -1) { + return &spwd; + } + return NULL; +} + |