proton/error.h

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00001 #ifndef PROTON_ERROR_H
00002 #define PROTON_ERROR_H 1
00003 
00004 /*
00005  *
00006  * Licensed to the Apache Software Foundation (ASF) under one
00007  * or more contributor license agreements.  See the NOTICE file
00008  * distributed with this work for additional information
00009  * regarding copyright ownership.  The ASF licenses this file
00010  * to you under the Apache License, Version 2.0 (the
00011  * "License"); you may not use this file except in compliance
00012  * with the License.  You may obtain a copy of the License at
00013  *
00014  *   http://www.apache.org/licenses/LICENSE-2.0
00015  *
00016  * Unless required by applicable law or agreed to in writing,
00017  * software distributed under the License is distributed on an
00018  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00019  * KIND, either express or implied.  See the License for the
00020  * specific language governing permissions and limitations
00021  * under the License.
00022  *
00023  */
00024 
00025 #include <proton/import_export.h>
00026 #include <stdarg.h>
00027 
00028 #ifdef __cplusplus
00029 extern "C" {
00030 #endif
00031 
00044 typedef struct pn_error_t pn_error_t;
00045 
00046 #define PN_OK (0)              
00047 #define PN_EOS (-1)            
00048 #define PN_ERR (-2)            
00049 #define PN_OVERFLOW (-3)       
00050 #define PN_UNDERFLOW (-4)      
00051 #define PN_STATE_ERR (-5)      
00052 #define PN_ARG_ERR (-6)        
00053 #define PN_TIMEOUT (-7)        
00054 #define PN_INTR (-8)           
00055 #define PN_INPROGRESS (-9)     
00056 #define PN_OUT_OF_MEMORY (-10) 
00057 #define PN_ABORTED (-11)       
00063 PN_EXTERN const char *pn_code(int code);
00064 
00068 PN_EXTERN pn_error_t *pn_error(void);
00069 
00073 PN_EXTERN void pn_error_free(pn_error_t *error);
00074 
00078 PN_EXTERN void pn_error_clear(pn_error_t *error);
00079 
00083 PN_EXTERN int pn_error_set(pn_error_t *error, int code, const char *text);
00084 
00089 PN_EXTERN int pn_error_vformat(pn_error_t *error, int code, const char *fmt, va_list ap);
00090 
00095 PN_EXTERN int pn_error_format(pn_error_t *error, int code, const char *fmt, ...);
00096 
00100 PN_EXTERN int pn_error_code(pn_error_t *error);
00101 
00106 PN_EXTERN const char *pn_error_text(pn_error_t *error);
00107 
00111 PN_EXTERN int pn_error_copy(pn_error_t *error, pn_error_t *src);
00112 
00116 #define PN_RETURN_IF_ERROR(x) \
00117 do {\
00118 int r = (x);\
00119 if (r < 0) return r; \
00120 } while (0)
00121 
00129 #ifdef __cplusplus
00130 }
00131 #endif
00132 
00133 #endif /* error.h */

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