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Slightly simplify 'scm_open_process'.

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* libguile/posix.c (scm_open_process): Call 'scm_fdes_to_port' with the
  '0' flag, and remove 'scm_setvbuf' calls.
This commit is contained in:
Ludovic Courtès 2014-05-28 23:06:45 +02:00
parent a41b07a34f
commit a43fa1b706
1 changed files with 5 additions and 7 deletions
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12
libguile/posix.c
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@ -1345,23 +1345,21 @@ scm_open_process (SCM mode, SCM prog, SCM args)
SCM read_port = SCM_BOOL_F, write_port = SCM_BOOL_F;
/* There is no sense in catching errors on close(). */
if (reading)
if (reading)
{
close (c2p[1]);
read_port = scm_fdes_to_port (c2p[0], "r", sym_read_pipe);
scm_setvbuf (read_port, scm_from_int (_IONBF), SCM_UNDEFINED);
read_port = scm_fdes_to_port (c2p[0], "r0", sym_read_pipe);
}
if (writing)
{
close (p2c[0]);
write_port = scm_fdes_to_port (p2c[1], "w", sym_write_pipe);
scm_setvbuf (write_port, scm_from_int (_IONBF), SCM_UNDEFINED);
write_port = scm_fdes_to_port (p2c[1], "w0", sym_write_pipe);
}
return scm_values
(scm_list_3 (read_port, write_port, scm_from_int (pid)));
}
/* The child. */
if (reading)
close (c2p[0]);