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Diffstat (limited to 'third_party/heimdal/lib/base/warn.c')
| -rw-r--r-- | third_party/heimdal/lib/base/warn.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/base/warn.c b/third_party/heimdal/lib/base/warn.c new file mode 100644 index 0000000..3dfed48 --- /dev/null +++ b/third_party/heimdal/lib/base/warn.c @@ -0,0 +1,169 @@ +/* + * Copyright (c) 1997 - 2020 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. + */ + +#if defined(_MSC_VER) +# pragma warning(disable: 4646) +# pragma warning(disable: 4716) +#endif + +#include "baselocl.h" +#include <err.h> + +static heim_error_code _warnerr(heim_context context, int do_errtext, + heim_error_code code, int level, const char *fmt, va_list ap) + __attribute__ ((__format__ (__printf__, 5, 0))); + +static heim_error_code +_warnerr(heim_context context, int do_errtext, + heim_error_code code, int level, const char *fmt, va_list ap) +{ + char xfmt[7] = ""; + const char *args[2], **arg; + char *msg = NULL; + const char *err_str = NULL; + heim_error_code ret; + + args[0] = args[1] = NULL; + arg = args; + if(fmt){ + strlcat(xfmt, "%s", sizeof(xfmt)); + if(do_errtext) + strlcat(xfmt, ": ", sizeof(xfmt)); + ret = vasprintf(&msg, fmt, ap); + if(ret < 0 || msg == NULL) + return ENOMEM; + *arg++ = msg; + } + if (do_errtext) { + strlcat(xfmt, "%s", sizeof(xfmt)); + + err_str = heim_get_error_message(context, code); + if (err_str != NULL) { + *arg = err_str; + } else { + *arg= "<unknown error>"; + } + } + + if (context && heim_get_warn_dest(context)) + heim_log(context, heim_get_warn_dest(context), level, xfmt, args[0], + args[1]); + else + warnx(xfmt, args[0], args[1]); + free(msg); + heim_free_error_message(context, err_str); + return 0; +} + +#define FUNC(ETEXT, CODE, LEVEL) \ + heim_error_code ret; \ + va_list ap; \ + va_start(ap, fmt); \ + ret = _warnerr(context, ETEXT, CODE, LEVEL, fmt, ap); \ + va_end(ap); + +#undef __attribute__ +#define __attribute__(X) + +/** + * Log a warning to the log, default stderr, include the error from + * the last failure. + * + * @param context A Kerberos 5 context. + * @param code error code of the last error + * @param fmt message to print + * @param ap arguments + * + * @ingroup heim_error + */ + +heim_error_code +heim_vwarn(heim_context context, heim_error_code code, + const char *fmt, va_list ap) + __attribute__ ((__format__ (__printf__, 3, 0))) +{ + return _warnerr(context, 1, code, 1, fmt, ap); +} + +/** + * Log a warning to the log, default stderr, include the error from + * the last failure. + * + * @param context A Kerberos 5 context. + * @param code error code of the last error + * @param fmt message to print + * + * @ingroup heim_error + */ + +heim_error_code +heim_warn(heim_context context, heim_error_code code, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 3, 4))) +{ + FUNC(1, code, 1); + return ret; +} + +/** + * Log a warning to the log, default stderr. + * + * @param context A Kerberos 5 context. + * @param fmt message to print + * @param ap arguments + * + * @ingroup heim_error + */ + +heim_error_code +heim_vwarnx(heim_context context, const char *fmt, va_list ap) + __attribute__ ((__format__ (__printf__, 2, 0))) +{ + return _warnerr(context, 0, 0, 1, fmt, ap); +} + +/** + * Log a warning to the log, default stderr. + * + * @param context A Kerberos 5 context. + * @param fmt message to print + * + * @ingroup heim_error + */ + +heim_error_code +heim_warnx(heim_context context, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))) +{ + FUNC(0, 0, 1); + return ret; +} |