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Re: locale-related printf bug when using formats with thousands grouping
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From: |
Bruno Haible |
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Subject: |
Re: locale-related printf bug when using formats with thousands grouping character |
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Date: |
Wed, 12 Jan 2011 23:19:22 +0100 |
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User-agent: |
KMail/1.9.9 |
The bug affects not only %f but also %g, and it can lead to a SIGSEGV.
Reproduce with the bash 3.2.1 built-in:
$ LC_ALL=en_US.UTF-8 bash -c "printf \"%'.5g\\\\n\" 999.996"
1000
$ LC_ALL=en_US.UTF-8 bash -c "printf \"%'.4g\\\\n\" 9999.996"
Segmentation fault
$ LC_ALL=en_US.UTF-8 bash -c "printf \"%'.5g\\\\n\" 99999.996"
Segmentation fault
$ LC_ALL=en_US.UTF-8 bash -c "printf \"%'.6g\\\\n\" 999999.996"
Segmentation fault
$ LC_ALL=en_US.UTF-8 bash -c "printf \"%'.7g\\\\n\" 9999999.996"
Segmentation fault
or with the printf program from coreutils 8.4:
$ env LC_ALL=en_US.UTF-8 printf "%'.5g\\n" 999.996
1000
$ env LC_ALL=en_US.UTF-8 printf "%'.4g\\n" 9999.996
Segmentation fault
$ env LC_ALL=en_US.UTF-8 printf "%'.5g\\n" 99999.996
Segmentation fault
$ env LC_ALL=en_US.UTF-8 printf "%'.6g\\n" 999999.996
Segmentation fault
$ env LC_ALL=en_US.UTF-8 printf "%'.7g\\n" 9999999.996
Segmentation fault
I've added a second test program to your bug report at
<http://sourceware.org/bugzilla/show_bug.cgi?id=12394>.
Bruno
bug12394.c
Description: Text Data