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printf("%d", -2147483648) shows an extra "-" #3148

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tsahara opened this Issue Apr 22, 2016 · 0 comments

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tsahara commented Apr 22, 2016

(confirmed on OpenBSD/amd64 and MacOS)

% bin/mruby -e 'printf("%d\n", -2147483648)'
--2147483648

It works as expected for -2147483647 and -2147483649:

% bin/mruby -e 'printf("%d\n", -2147483647)'
-2147483647

% bin/mruby -e 'printf("%d\n", -2147483649)'
trace:
    [0] /Users/tsahara/src/mruby/mrbgems/mruby-print/mrblib/print.rb:60:in Kernel#printf
    [1] -e:1
/Users/tsahara/src/mruby/mrbgems/mruby-print/mrblib/print.rb:60: number (-2147483649) too big for integer (ArgumentError)

matz added a commit that referenced this issue Apr 23, 2016


      mruby-sprintf: format specifiers o,u,x,b ignore sign(+); ref #3148

c522907

matz closed this in `8f0c1c7` Apr 23, 2016

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