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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2008 Lukas Mejdrech |
2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| Line 46... | Line 46... | ||
| 46 | /** An error processing routines declaration. |
46 | /** An error processing routines declaration. |
| 47 | * This has to be declared in the block where the error processing is desired. |
47 | * This has to be declared in the block where the error processing is desired. |
| 48 | */ |
48 | */ |
| 49 | #define ERROR_DECLARE int ERROR_CODE |
49 | #define ERROR_DECLARE int ERROR_CODE |
| 50 | 50 | ||
| 51 | /** Stores the value as an error code and checks if an error occured. |
51 | /** Stores the value as an error code and checks if an error occurred. |
| 52 | * @param value The value to be checked. May be a function call. Input parameter. |
52 | * @param value The value to be checked. May be a function call. Input parameter. |
| 53 | * @returns FALSE if the value indicates success (EOK). |
53 | * @returns FALSE if the value indicates success (EOK). |
| 54 | * @returns TRUE otherwise. |
54 | * @returns TRUE otherwise. |
| 55 | */ |
55 | */ |
| 56 | #define ERROR_OCCURED( value ) (( ERROR_CODE = ( value )) != EOK ) |
56 | #define ERROR_OCCURRED( value ) (( ERROR_CODE = ( value )) != EOK ) |
| 57 | 57 | ||
| 58 | /** Checks if an error occured and immediatelly exits the actual function returning the error code. |
58 | /** Checks if an error occurred and immediately exits the actual function returning the error code. |
| 59 | * @param value The value to be checked. May be a function call. Input parameter. |
59 | * @param value The value to be checked. May be a function call. Input parameter. |
| 60 | */ |
60 | */ |
| 61 | #define ERROR_PROPAGATE( value ) if( ERROR_OCCURED( value )) return ERROR_CODE |
61 | #define ERROR_PROPAGATE( value ) if( ERROR_OCCURRED( value )) return ERROR_CODE |
| 62 | 62 | ||
| 63 | #endif |
63 | #endif |
| 64 | 64 | ||
| 65 | /** @} |
65 | /** @} |
| 66 | */ |
66 | */ |