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author | Heimdal Import User <samba-bugs@samba.org> | 2005-07-11 01:16:55 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:19:33 -0500 |
commit | 954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 (patch) | |
tree | fc11a048c8a582e2ca66415ff04dacf74f9abf22 /source4/heimdal/lib/krb5/error_string.c | |
parent | 7ead5ab06cea9f33e954a4579163262f97ea06ff (diff) | |
download | samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.tar.gz samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.tar.bz2 samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.zip |
r8302: import mini HEIMDAL into the tree
(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)
Diffstat (limited to 'source4/heimdal/lib/krb5/error_string.c')
-rw-r--r-- | source4/heimdal/lib/krb5/error_string.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/error_string.c b/source4/heimdal/lib/krb5/error_string.c new file mode 100644 index 0000000000..649bdd20fd --- /dev/null +++ b/source4/heimdal/lib/krb5/error_string.c @@ -0,0 +1,109 @@ +/* + * 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 1.3 2004/05/25 21:23:55 lha Exp $"); + +#undef __attribute__ +#define __attribute__(X) + +void KRB5_LIB_FUNCTION +krb5_free_error_string(krb5_context context, char *str) +{ + HEIMDAL_MUTEX_lock(context->mutex); + if (str != context->error_buf) + free(str); + HEIMDAL_MUTEX_unlock(context->mutex); +} + +void KRB5_LIB_FUNCTION +krb5_clear_error_string(krb5_context context) +{ + HEIMDAL_MUTEX_lock(context->mutex); + if (context->error_string != NULL + && context->error_string != context->error_buf) + free(context->error_string); + context->error_string = NULL; + HEIMDAL_MUTEX_unlock(context->mutex); +} + +krb5_error_code KRB5_LIB_FUNCTION +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_LIB_FUNCTION +krb5_vset_error_string(krb5_context context, const char *fmt, va_list args) + __attribute__ ((format (printf, 2, 0))) +{ + krb5_clear_error_string(context); + HEIMDAL_MUTEX_lock(context->mutex); + 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; + } + HEIMDAL_MUTEX_unlock(context->mutex); + return 0; +} + +char * KRB5_LIB_FUNCTION +krb5_get_error_string(krb5_context context) +{ + char *ret; + + HEIMDAL_MUTEX_lock(context->mutex); + ret = context->error_string; + context->error_string = NULL; + HEIMDAL_MUTEX_unlock(context->mutex); + return ret; +} + +krb5_boolean KRB5_LIB_FUNCTION +krb5_have_error_string(krb5_context context) +{ + char *str; + HEIMDAL_MUTEX_lock(context->mutex); + str = context->error_string; + HEIMDAL_MUTEX_unlock(context->mutex); + return str != NULL; +} |