diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/error_string.c')
-rw-r--r-- | crypto/heimdal/lib/krb5/error_string.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/error_string.c b/crypto/heimdal/lib/krb5/error_string.c new file mode 100644 index 0000000..bf73448 --- /dev/null +++ b/crypto/heimdal/lib/krb5/error_string.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 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 "krb5_locl.h" + +RCSID("$Id: error_string.c,v 1.1 2001/05/06 23:07:22 assar Exp $"); + +#undef __attribute__ +#define __attribute__(X) + +void +krb5_free_error_string(krb5_context context, char *str) +{ + if (str != context->error_buf) + free(str); +} + +void +krb5_clear_error_string(krb5_context context) +{ + if (context->error_string != NULL + && context->error_string != context->error_buf) + free(context->error_string); + context->error_string = NULL; +} + +krb5_error_code +krb5_set_error_string(krb5_context context, const char *fmt, ...) + __attribute__((format (printf, 2, 3))) +{ + krb5_error_code ret; + va_list ap; + + va_start(ap, fmt); + ret = krb5_vset_error_string (context, fmt, ap); + va_end(ap); + return ret; +} + +krb5_error_code +krb5_vset_error_string(krb5_context context, const char *fmt, va_list args) + __attribute__ ((format (printf, 2, 0))) +{ + krb5_clear_error_string(context); + vasprintf(&context->error_string, fmt, args); + if(context->error_string == NULL) { + vsnprintf (context->error_buf, sizeof(context->error_buf), fmt, args); + context->error_string = context->error_buf; + } + return 0; +} + +char* +krb5_get_error_string(krb5_context context) +{ + char *ret = context->error_string; + context->error_string = NULL; + return ret; +} + +krb5_boolean +krb5_have_error_string(krb5_context context) +{ + return context->error_string != NULL; +} |