Re: [Plplot-devel] New way of getting device info from dyndrivers

[Maurice L. <mj...@ga...>]

Rafael Laboissiere writes:
 > * Rafael Laboissiere <lab...@ps...> [2003-02-04 22:37]:
 > 
 > >    c) At build time (not configuration time), a small C program dlopen the
 > >       <driver>.c files, get the symbols described above and write the
 > >       associated device entries in <driver>.rc (or whichever name).
 > 
 > Just to make things a bit more concrete, here is the design that I have in
 > mind.  I will take the ps.c driver as an example.  The following global
 > variables will be defined in the driver source:
 > 
 >     char* DEVICES_ps      = "ps:psc";
 > 
 >     char* DESCRIPTION_ps  = "PostScript File (monochrome)";
 >     int   TYPE_ps         = plDevType_FileOriented;
 >     int   SEQNUM_ps       = 29;
 >     char* SYMTAG_ps       = "psm";
 >     
 >     char* DESCRIPTION_psc = "PostScript File (color)";
 >     int   TYPE_psc        = plDevType_FileOriented;
 >     int   SEQNUM_psc      = 30;
 >     char* SYMTAG_psc      = "psc";
 > ...
 > What do you think?  I accept suggestions for better variable names.

If you are introducing variables into the global name space (i.e. accessible
via "extern"), at least give them a plplot-specific introducer like "pl_" or
even better "pldev_".

-- 
Maurice LeBrun    mj...@ga...
Research Organization for Information Science and Technology of Japan (RIST)