[libdv-dev] [ libdv-Patches-1562254 ] libdv-0.104: undefined C code and uninitialized variable

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Patches item #1562254, was opened at 2006-09-20 14:46
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: anosek (anosek)
Assigned to: Nobody/Anonymous (nobody)
Summary: libdv-0.104: undefined C code and uninitialized variable

Initial Comment:
Wrote by David Binderman:
I just tried to compile package libdv-0.104-4 with a
prerelease of the
GNU C compiler version 4.1. It said

1.

encode.c:1811: warning: operation on "i" may be undefined

The source code is

                for (i = 0;
                        i < (DV_WIDTH * (dv_enc->isPAL
? DV_PAL_HEIGHT :
DV_NTSC_HEIGHT));
                        dv_enc->img_y[i] =
CLAMP(dv_enc->img_y[i++], -224, 214)
);

I agree with the compiler - this code seems to be
undefined.

There is also use of uninitialized variable "w".

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