102 lines
4.5 KiB
C
102 lines
4.5 KiB
C
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/*****************************************************************************/
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/* */
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/* check.h */
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/* */
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/* Assert like macros */
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/* */
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/* */
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/* */
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/* (C) 1998 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef CHECK_H
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#define CHECK_H
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#include "attrib.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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extern const char* MsgInternalError; /* "Internal error: " */
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extern const char* MsgPrecondition; /* "Precondition violated: " */
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extern const char* MsgCheckFailed; /* "Check failed: " */
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extern const char* MsgProgramAborted; /* "Program aborted: " */
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extern void (*CheckFailed) (const char* Msg, const char* Cond,
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int Code, const char* File, unsigned Line)
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attribute ((noreturn));
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/* Function pointer that is called from check if the condition code is true. */
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void Check (const char* Msg, const char* Cond, int Code,
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const char* File, unsigned Line);
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/* This function is called from all check macros (see below). It checks,
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* wether the given Code is true (!= 0). If so, it calls the CheckFailed
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* vector with the given strings. If not, it simply returns.
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*/
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#define FAIL(s) CheckFailed (MsgInternalError, s, 0, __FILE__, __LINE__)
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/* Fail macro. Is used if something evil happens, calls checkfailed directly. */
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#define ABORT(s) CheckFailed (MsgProgramAborted, s, 0, __FILE__, __LINE__)
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/* Use this one instead of FAIL if there is no internal program error but an
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* error condition that is caused by the user or operating system (FAIL and
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* ABORT are essentially the same but the message differs).
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*/
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#define PRECONDITION(c) Check (MsgPrecondition, #c, !(c), __FILE__, __LINE__)
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#define CHECK(c) Check (MsgCheckFailed, #c, !(c), __FILE__, __LINE__)
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#define ZCHECK(c) Check (MsgCheckFailed, #c, c, __FILE__, __LINE__)
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/* End of check.h */
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#endif
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