[Octave-bug-tracker] [bug #63931] Binary fwrite writes incorrect data to file

[Dmitri A. Sergatskov]

Follow-up Comment #26, bug #63931 (project octave):

It looks like the last "good" hgid is 01e4f3882f54

hg log -r -800
changeset:   31109:01e4f3882f54
branch:      stable
parent:      31107:bbb59cc6698c
user:        Pantxo Diribarne <pantxo.diribarne@gmail.com>
date:        Fri Jun 24 19:24:22 2022 +0200
summary:     Fix regression with \color[rgb] tex pattern (bug #62668)




octave:2>  __mfile_encoding__("latin1")
octave:3> t1
val = 193
cw = 1
cr1 = 1
x = 193
y = 193
------
val = 194
cw = 1
cr1 = 1
x = 194
y = 194
------
val = 195
cw = 1
cr1 = 1
x = 195
y = 195
------
octave:4> t2
val = 127
cw = 1
cr1 = 1
x = 127
y = 127
------
val = 128
cw = 1
cr1 = 1
x = 128
y = 128
------
val = 129
cw = 1
cr1 = 1
x = 129
y = 129
------
octave:5> version -hgid
ans = 01e4f3882f54
octave:6>  __mfile_encoding__
ans = latin1


The next changelog is:

hg log -r -799
changeset:   31110:e8238ae72381
parent:      31108:6ee5bd9ad7cc
parent:      31109:01e4f3882f54
user:        Pantxo Diribarne <pantxo.diribarne@gmail.com>
date:        Tue Jun 28 19:52:36 2022 +0200
summary:     maint: merge stable to default

and it is bad:

octave:2> version -hgid
ans = e8238ae72381
octave:3>  __mfile_encoding__("latin1")
octave:4>  __mfile_encoding__
ans = latin1
octave:5> t1
val = 193
cw = 1
cr1 = 1
x = 193
y = 63
------
val = 194
cw = 1
cr1 = 0
x = 194
error: b(1): out of bound 0 (dimensions are 0x0)
error: called from
    t1 at line 15 column 5
octave:6> t2
val = 127
cw = 1
cr1 = 1
x = 127
y = 127
------
val = 128
cw = 1
cr1 = 1
x = 128
y = 63
------
val = 129
cw = 1
cr1 = 1
x = 129
y = 63
------


Dmitri.
-- 





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