[despammed] Re: [l2h] pstoimg: Error: [...] Invalid argument

Andrea Censi andrea at despammed.com
Sat Jun 11 15:52:10 CEST 2005

Igor Pechtchanski wrote:
> On Tue, 7 Jun 2005, Andrea Censi wrote:
>>I am getting this kind of errors running latex2html:
>>Converting image #2
>>pstoimg: Error: "/sw/bin/pnmcrop -verbose  < /tmp/l2h5343/p5405.pnm | /sw/bin/pnmcrop -verbose  -bot  -sides  | /sw/bin/pnmcrop -verbose  -l -sides > /tmp/l2h5343/p5405.t00" failed: Invalid argument
>>Error while converting image
>>Error: Cannot read 'img2.png': No such file or directory
>>I tried calling "pnmcrop" with the arguments (-bot -sides ecc) but it
>>doesn't complaing, so I guess there's something wrong in the /tmp files.
>>They get deleted so I can't replicate the exact error.
> Don't know about your error, but giving a -debug flag to latex2html should
> prevent the deletion of temp files, so you can look at them.
> HTH,
> 	Igor

Sorry for the delay, my thunderbird spam filter filtered you out.

I found out that the second instance of pnmcrop at this line:
GS>Running "/sw/bin/pnmcrop -verbose  < /tmp/l2h25714/p25771.pnm | 
/sw/bin/pnmcrop -verbose  -bot  -sides  | /sw/bin/pnmcrop -verbose 
-p25729.t00  p25736.pnm  p25736.t01  p25743.t00  p25750.pnm  p25750.t01 
  p25757.t00  p25764.pnm  p25764.t01  p25771.t00

l  -sides   > /tmp/l2h25714/p25771.t01"
pnmcrop: Background color is gray70
pnmcrop: cropping 2 rows off the top
pnmcrop: cropping 2 rows off the bottom
pnmcrop: cropping 1 col off the left
pnmcrop: cropping 3 cols off the right
pnmcrop: Error reading magic number from Netpbm image stream.  Most 
often, this means your input file is empty.
pstoimg: Error: "/sw/bin/pnmcrop -verbose  < /tmp/l2h25714/p25771.pnm | 
/sw/bin/pnmcrop -verbose  -bot  -sides  | /sw/bin/pnmcrop -verbose  -l 
-sides   > /tmp/l2h25714/p25771.t01" failed:
Debug (syswait): Finished child process: #25771
  at /sw/bin/latex2html line 4230

was segfaulting. That the instance with params -bot -sides. -sides is 
the bad one, I emailed the following to the mantainer of libnetpbm along 
with the file to reproduce the error

$ pnmcrop -verbose < bum.pnm

pnmcrop: Background color is gray35
pnmcrop: Not cropping.  No border found.
14 17


$ pnmcrop -sides < bum.pnm
zsh: bus error  pnmcrop -sides < bum.pnm

$ pnmcrop --version
pnmcrop: Using libnetpbm from Netpbm Version: Netpbm 10.24
pnmcrop: Compiled Fri Jun  3 20:15:52 CEST 2005 by user "root"
pnmcrop: BSD defined
pnmcrop: RGB_ENV='RGBDEF'
pnmcrop: RGBENV= 'RGBDEF' (env vbl is unset)

$ uname -a                                     Darwin melania.censi 
8.1.0 Darwin Kernel Version 8.1.0: Tue May 10 18:16:08 PDT 2005; 
root:xnu-792.1.5.obj~4/RELEASE_PPC Power Macintosh powerpc

Compiled via fink for Mac OS X Tiger.

File bum.pnm was prepared by the latex2html script.

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