GPM patches

[Alexander E. Patrakov]

You will find three patches to GPM in the attachments.

PATCH-gpm-1.20.0-smooth-cursor is taken "as-is" from links-2.1pre9, it allows 
clients to receive mouse movement events with greater precision if they 
request that (some framebuffer-based programs will utilize it). This patch is 
against gpm-1.20.0, but applies correctly to 1.20.1.

gpm-1.20.1-silent.patch supresses the debugging output from GPM library. It is 
entirely optional, but I really hate libraries that print their debugging 
statements.

gpm-1.20.1-segfault.patch fixes a bug in GPM (must go into the book, already 
sent to maintainer). To reproduce: compile Midnight Commander 4.6.0, run it 
and press Ctrl+O twice. The segfault happens in GPM's src/lib/liblow.c, line 
261

  if(strncmp(tty,option.consolename,strlen(option.consolename)-1)
    || !isdigit(tty[strlen(option.consolename)-1])) {
    gpm_report(GPM_PR_ERR,"strncmp/isdigit/option.consolename failed");
    goto err;
 }

because option.consolename==NULL on the second call to Gpm_Open() without my 
patch, and it looks like option.consolename should be preserved between calls 
to Gpm_Open().

-- 
Alexander E. Patrakov
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