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Add a REPORT_DISSECTOR_BUG() macro to let caller-specified messages be 

used in DissectorError exceptions.

svn path=/trunk/; revision=13079
This commit is contained in:
Guy Harris 2005-01-17 00:18:39 +00:00
parent 2bdef3c122
commit 2617e40356
1 changed files with 16 additions and 1 deletions
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17
epan/proto.h
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@ -78,9 +78,24 @@ typedef struct _protocol protocol_t;
} \
}
/** Macro used for reporting errors in dissectors; it throws a
* DissectorError exception, with the string passed as an argument
* as the message for the exception, so that it can show up in
* the Info column and the protocol tree.
*
* That string should be allocated with g_malloc(); using
* "g_strdup_printf()" would work.
*
* @param message string to use as the message
*/
#define REPORT_DISSECTOR_BUG(message) \
(THROW_MESSAGE(DissectorError, message))
/** Macro used for assertions in dissectors; it doesn't abort, it just
* throws a DissectorError exception, with the assertion failure
* message as a parameter, so that it can show up in the protocol tree.
*
* @param expression expression to test in the assertion
*/
#define DISSECTOR_ASSERT(expression) \
((void) ((expression) ? 0 : \
@ -89,7 +104,7 @@ typedef struct _protocol protocol_t;
#define __DISSECTOR_ASSERT_STRINGIFY(s) # s
#define __DISSECTOR_ASSERT(expression, file, lineno) \
(THROW_MESSAGE(DissectorError, \
(REPORT_DISSECTOR_BUG( \
g_strdup_printf("%s:%u: failed assertion \"%s\"", \
file, lineno, __DISSECTOR_ASSERT_STRINGIFY(expression))))