1 mike  1.1 /*
 2           **==============================================================================
 3           **
 4           ** Open Management Infrastructure (OMI)
 5           **
 6           ** Copyright (c) Microsoft Corporation
 7           ** 
 8           ** Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 9           ** use this file except in compliance with the License. You may obtain a copy 
10           ** of the License at 
11           **
12           **     http://www.apache.org/licenses/LICENSE-2.0 
13           **
14           ** THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15           ** KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 
16           ** WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
17           ** MERCHANTABLITY OR NON-INFRINGEMENT. 
18           **
19           ** See the Apache 2 License for the specific language governing permissions 
20           ** and limitations under the License.
21           **
22 mike  1.1 **==============================================================================
23           */
24           
25           #ifndef _omi_return_h
26           #define _omi_return_h
27           
28           #include "config.h"
29           #include <stdio.h>
30           #include <common.h>
31           
32           /*
33           **==============================================================================
34           **
35           ** This file defines two tracing macros: 
36           **
37           **     MI_RETURN(EXPR) 
38           **     MI_RETURN_ERR(EXPR)
39           **
40           ** These override the macros with the same names in MI.h and add printf
41           ** tracing on onon-zero MI_Result objects (those not equal to MI_RESULT_OK).
42           ** Functions that use these macros can enable tracing of bad return values
43 mike  1.1 ** by simply including this file.
44           **
45           **==============================================================================
46           */
47           
48           #if defined(MI_RETURN)
49           # undef MI_RETURN
50           #endif
51           
52           #define MI_RETURN(EXPR) \
53               for (;;) \
54               { \
55                   MI_Result __r = EXPR; \
56                   if (__r != MI_RESULT_OK) \
57                       printf("MI_RETURN[%s(%u)]: %u\n", __FILE__, __LINE__, __r); \
58                   return __r; \
59                   break; \
60               }
61           
62           #if defined(MI_RETURN_ERR)
63           # undef MI_RETURN_ERR
64 mike  1.1 #endif
65           
66           #define MI_RETURN_ERR(EXPR) \
67               for (;;) \
68               { \
69                   MI_Result r = EXPR; \
70                   if (r != MI_RESULT_OK) \
71                   { \
72                       printf("RETURN_ERR[%s(%u)]: %u\n", __FILE__, __LINE__, r); \
73                       return r; \
74                   } \
75                   break; \
76               }
77           
78           #endif /* _omi_return_h */