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cmd/yacc: correctly detect end of file in gettok

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This prevents an infinite loop.

Change-Id: I7eda6b9d032ca0daeb24b555954330d07f35c78b
This commit is contained in:
Neven Sajko 2019-08-25 14:30:36 +00:00 • committed by Russ Cox
parent eb4aea5072
commit bf59f0ed28
1 changed files with 2 additions and 0 deletions
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2
src/cmd/yacc.c
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@ -1805,6 +1805,8 @@ begin:
} }
} else } else
return c; return c;
if(c == Beof)
return ENDFILE;
Bungetrune(finput); Bungetrune(finput);
} }
tokname[i] = 0; tokname[i] = 0;