error.h

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#ifndef PROTON_ERROR_H
#define PROTON_ERROR_H 1
 
/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
 
#include <proton/annotations.h>
#include <proton/import_export.h>
#include <stdarg.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct pn_error_t pn_error_t;
 
#define PN_OK (0)              
#define PN_EOS (-1)            
#define PN_ERR (-2)            
#define PN_OVERFLOW (-3)       
#define PN_UNDERFLOW (-4)      
#define PN_STATE_ERR (-5)      
#define PN_ARG_ERR (-6)        
#define PN_TIMEOUT (-7)        
#define PN_INTR (-8)           
#define PN_INPROGRESS (-9)     
#define PN_OUT_OF_MEMORY (-10) 
#define PN_ABORTED (-11)       
PN_EXTERN const char *pn_code(int code);
 
PN_EXTERN pn_error_t *pn_error(void);
 
PN_EXTERN void pn_error_free(pn_error_t *error);
 
PN_EXTERN void pn_error_clear(pn_error_t *error);
 
PN_EXTERN int pn_error_set(pn_error_t *error, int code, const char *text);
 
PN_EXTERN int pn_error_vformat(pn_error_t *error, int code, const char *fmt, va_list ap);
 
PN_EXTERN int pn_error_format(pn_error_t *error, int code, PN_PRINTF_FORMAT const char *fmt, ...)
        PN_PRINTF_FORMAT_ATTR(3, 4);
 
PN_EXTERN int pn_error_code(pn_error_t *error);
 
PN_EXTERN const char *pn_error_text(pn_error_t *error);
 
PN_EXTERN int pn_error_copy(pn_error_t *error, pn_error_t *src);
 
#define PN_RETURN_IF_ERROR(x) \
do {\
int r = (x);\
if (r < 0) return r; \
} while (0)
#ifdef __cplusplus
}
#endif
 
#endif /* error.h */