diff options
Diffstat (limited to 'lib/et/com_right.c')
-rw-r--r-- | lib/et/com_right.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/lib/et/com_right.c b/lib/et/com_right.c new file mode 100644 index 0000000..a4ed535 --- /dev/null +++ b/lib/et/com_right.c @@ -0,0 +1,120 @@ +/* + * com_right.c -- provide Heimdall / Kerberos4kth com_err interfaces + * for backwards compatibility + * + * Copyright (c) 2003 by Theodore Ts'o + * + * Taken from lib/com_err/error.c from Kerberos4kth distribution. + * + * Copyright (c) 1997, 1998, 2001 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "com_err.h" +#include "error_table.h" + +const char * +com_right(struct et_list *list, long code) +{ + struct et_list *p; + for (p = list; p; p = p->next) { + if (code >= p->table->base && code < p->table->base + p->table->n_msgs) + return p->table->msgs[code - p->table->base]; + } + return NULL; +} + +const char * +com_right_r(struct et_list *list, long code, char *str, size_t len) +{ + struct et_list *p; + for (p = list; p; p = p->next) { + if ((code >= p->table->base) && + (code < p->table->base + p->table->n_msgs)) { + strncpy(str, p->table->msgs[code - p->table->base], len); + str[len-1] = '\0'; + return str; + } + } + return NULL; +} + +struct foobar { + struct et_list etl; + struct error_table tab; +}; + +/* + * We provide this routine for compatibility with Heimdall generated + * foo_err.c files, but we don't use this ourselves for foo_err.c + * files generated by our compile_et. This is so our foo_err.c + * files can be used with older com_err libraries without running + * afoul of dependencies. + */ +void +initialize_error_table_r(struct et_list **list, + const char **messages, + int num_errors, + long base) +{ + struct et_list *et, **end; + struct error_table *tab; + struct foobar *f; + + for (end = list, et = *list; et; end = &et->next, et = et->next) + if (et->table->msgs == messages) + return; + f = malloc(sizeof(*f)); + if (f == NULL) + return; + et = &f->etl; + et->table = tab = &f->tab; + tab->msgs = messages; + tab->n_msgs = num_errors; + tab->base = base; + et->next = NULL; + *end = et; +} + + +void +free_error_table(struct et_list *et) +{ + while(et){ + struct et_list *p = et; + et = et->next; + free(p); + } +} |