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In dtrace lexer, do not unput token if it is EOF.

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This is harmless with OpenSolaris fex and yacc, but with FreeBSD
causes '\xff' symbol to be physically put into input buffer, causing
subsequent syntax error.

MFC after: 1 week
This commit is contained in:
Alexander Kabaev 2010-06-11 04:38:14 +00:00
parent ec4c19fcf0
commit e9bc68ba9c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209030
1 changed files with 2 additions and 1 deletions
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3
cddl/contrib/opensolaris/lib/libdtrace/common/dt_lex.l
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@ -811,7 +811,8 @@ id_or_type(const char *s)
longjmp(yypcb->pcb_jmpbuf, EDT_NOMEM);
}
unput(c0);
if (c0 != EOF)
unput(c0);
return (ttok);
}