[changeset] uninitialized value bug in strncmp

[Jaroslav Hajek]

On Thu, Jan 1, 2009 at 1:20 PM, Thorsten Meyer <thorsten.meyier at gmx.de> wrote:
> Hi,
>
> here is a patch (against mercurial) for the following bug in strncmp:
>
> comparing a string with a cell array, the return value for non-character cells is random:
>
> octave:1> strncmp("abc", {"abcd", 10}, 2)
> ans =
>
>     1   164
>
> octave:2>
> octave:2> strncmp("abc", {"abcd", 10}, 2)
> ans =
>
>     1   191
>
> octave:3> strncmp("abc", {"abcd", 10}, 2)
> ans =
>
>     1   184
>
> octave:4> strncmp("abc", {"abcd", 10}, 2)
> ans =
>
>     1   138
>
> The reason is that in this particular case, the output value is left uninitialized.
>
> regards
>
> Thorsten
>
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-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz