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btest portability fix

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address review comment about shifting corner-case
This commit is contained in:
Vern Paxson 2022-08-02 19:36:25 -07:00
parent ea3d25b380
commit c10885e5f9
2 changed files with 4 additions and 4 deletions
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6
src/Expr.cc
View file

@ -963,10 +963,10 @@ ValPtr BinaryExpr::Fold(Val* v1, Val* v2) const
{
if ( is_integral )
{
if ( i1 < 1 )
if ( i1 < 0 )
RuntimeError("left shifting a negative number is undefined");
i3 = i1 << i2;
i3 = i1 << static_cast<zeek_uint_t>(i2);
}
else if ( is_unsigned )
@ -979,7 +979,7 @@ ValPtr BinaryExpr::Fold(Val* v1, Val* v2) const
case EXPR_RSHIFT:
{
if ( is_integral )
i3 = i1 >> i2;
i3 = i1 >> static_cast<zeek_uint_t>(i2);
else if ( is_unsigned )
u3 = u1 >> u2;

2
testing/btest/bifs/piped_exec.zeek
View file

@ -8,7 +8,7 @@ cmds = string_cat(cmds, "\nprint \"foobar\";");
# If we're using generated C++, turn that off for the pipe execution,
# as otherwise we'll get a complaint that there's no corresponding
# C++ bodies found for that zeek instance.
if ( piped_exec("export -n ZEEK_USE_CPP; zeek", cmds) != T )
if ( piped_exec("unset ZEEK_USE_CPP; zeek", cmds) != T )
exit(1);
# Test null output.