| #
3937fc9c |
| 05-May-2011 |
Jilles Tjoelker <jilles@FreeBSD.org> |
sh: Apply set -u to variables in arithmetic.
Note that this only applies to variables that are actually used.
Things like (0 && unsetvar) do not cause an error.
Exp-run done by: pav (with some othe
sh: Apply set -u to variables in arithmetic.
Note that this only applies to variables that are actually used.
Things like (0 && unsetvar) do not cause an error.
Exp-run done by: pav (with some other sh(1) changes)
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| #
976018d2 |
| 05-Mar-2011 |
Jilles Tjoelker <jilles@FreeBSD.org> |
sh: Fix some warnings in code for arithmetic expressions.
Submitted by: eadler
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Revision tags: release/7.4.0_cvs, release/8.2.0_cvs, release/7.4.0, release/8.2.0 |
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| #
e9749129 |
| 13-Feb-2011 |
Jilles Tjoelker <jilles@FreeBSD.org> |
sh: Detect dividing the smallest integer by -1.
This overflows and on some architectures such as amd64 it generates SIGFPE.
Generate an error on all architectures.
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| #
6262b84e |
| 09-Feb-2011 |
Jilles Tjoelker <jilles@FreeBSD.org> |
sh: Import arithmetic expression code from dash.
New features:
* proper lazy evaluation of || and &&
* ?: ternary operator
* executable is considerably smaller (8K on i386) because lex and yacc are
sh: Import arithmetic expression code from dash.
New features:
* proper lazy evaluation of || and &&
* ?: ternary operator
* executable is considerably smaller (8K on i386) because lex and yacc are
no longer used
Differences from dash:
* arith_t instead of intmax_t
* imaxdiv() not used
* unset or null variables default to 0
* let/exp builtin (undocumented, will probably be removed later)
Obtained from: dash
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