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protect from newer flex

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This commit is contained in:
David Rose 2009-11-02 23:46:45 +00:00
parent dc3668bf0e
commit ffb437247f
1 changed files with 8 additions and 1 deletions
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9
direct/src/dcparser/dcLexer.lxx
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@ -161,7 +161,14 @@ input_chars(char *buffer, int &result, int max_size) {
} }
} }
#undef YY_INPUT #undef YY_INPUT
#define YY_INPUT(buffer, result, max_size) input_chars(buffer, result, max_size)
// Define this macro carefully, since different flex versions call it
// with a different type for result.
#define YY_INPUT(buffer, result, max_size) { \
int int_result; \
input_chars((buffer), int_result, (max_size)); \
(result) = int_result; \
}
// read_char reads and returns a single character, incrementing the // read_char reads and returns a single character, incrementing the
// supplied line and column numbers as appropriate. A convenience // supplied line and column numbers as appropriate. A convenience