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2 Commits

Author SHA1 Message Date
Jilles Tjoelker
22ea47ec90 sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
Jilles Tjoelker
6262b84eee 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
 2011-02-08 23:18:06 +00:00