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* ports.c (scm_port_line, scm_set_port_line_x, scm_port_column,

Browse source 
scm_set_port_column_x, scm_port_filename,
scm_set_port_filename_x): Removed optional arguments.  Added
proper argument checking.
This commit is contained in:
Mikael Djurfeldt 1998-04-12 23:35:17 +00:00
parent a74145b809
commit 360fc44c98
1 changed files with 39 additions and 75 deletions
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114
libguile/ports.c
View file

@ -667,129 +667,93 @@ scm_unread_char (cobj, port)
return cobj;
}
SCM_PROC (s_port_line, "port-line", 0, 1, 0, scm_port_line);
SCM_PROC (s_port_line, "port-line", 1, 0, 0, scm_port_line);
SCM
scm_port_line (port)
SCM port;
{
SCM p;
port = SCM_COERCE_OUTPORT (port);
p = ((port == SCM_UNDEFINED)
? scm_cur_inp
: port);
if (!(SCM_NIMP (p) && SCM_PORTP (p)))
return SCM_BOOL_F;
else
return SCM_MAKINUM (SCM_LINUM (p));
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_port_line);
return SCM_MAKINUM (SCM_LINUM (port));
}
SCM_PROC (s_set_port_line_x, "set-port-line!", 1, 1, 0, scm_set_port_line_x);
SCM_PROC (s_set_port_line_x, "set-port-line!", 2, 0, 0, scm_set_port_line_x);
SCM
scm_set_port_line_x (port, line)
SCM port;
SCM line;
{
if (line == SCM_UNDEFINED)
{
line = port;
port = scm_cur_inp;
}
else
{
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_line_x);
}
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_line_x);
SCM_ASSERT (SCM_INUMP (line), line, SCM_ARG2, s_set_port_line_x);
return SCM_PTAB_ENTRY (port)->line_number = SCM_INUM (line);
}
SCM_PROC (s_port_column, "port-column", 0, 1, 0, scm_port_column);
SCM_PROC (s_port_column, "port-column", 1, 0, 0, scm_port_column);
SCM
scm_port_column (port)
SCM port;
{
SCM p;
port = SCM_COERCE_OUTPORT (port);
p = ((port == SCM_UNDEFINED)
? scm_cur_inp
: port);
if (!(SCM_NIMP (p) && SCM_PORTP (p)))
return SCM_BOOL_F;
else
return SCM_MAKINUM (SCM_COL (p));
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_port_column);
return SCM_MAKINUM (SCM_COL (port));
}
SCM_PROC (s_set_port_column_x, "set-port-column!", 1, 1, 0, scm_set_port_column_x);
SCM_PROC (s_set_port_column_x, "set-port-column!", 2, 0, 0, scm_set_port_column_x);
SCM
scm_set_port_column_x (port, column)
SCM port;
SCM column;
{
if (column == SCM_UNDEFINED)
{
column = port;
port = scm_cur_inp;
}
else
{
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_column_x);
}
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_column_x);
SCM_ASSERT (SCM_INUMP (column), column, SCM_ARG2, s_set_port_column_x);
return SCM_PTAB_ENTRY (port)->column_number = SCM_INUM (column);
}
SCM_PROC (s_port_filename, "port-filename", 0, 1, 0, scm_port_filename);
SCM_PROC (s_port_filename, "port-filename", 1, 0, 0, scm_port_filename);
SCM
scm_port_filename (port)
SCM port;
{
SCM p;
port = SCM_COERCE_OUTPORT (port);
p = ((port == SCM_UNDEFINED)
? scm_cur_inp
: port);
if (!(SCM_NIMP (p) && SCM_PORTP (p)))
return SCM_BOOL_F;
else
return SCM_PTAB_ENTRY (p)->file_name;
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_port_filename);
return SCM_PTAB_ENTRY (port)->file_name;
}
SCM_PROC (s_set_port_filename_x, "set-port-filename!", 1, 1, 0, scm_set_port_filename_x);
SCM_PROC (s_set_port_filename_x, "set-port-filename!", 2, 0, 0, scm_set_port_filename_x);
SCM
scm_set_port_filename_x (port, filename)
SCM port;
SCM filename;
{
if (filename == SCM_UNDEFINED)
{
filename = port;
port = scm_cur_inp;
}
else
{
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_filename_x);
}
port = SCM_COERCE_OUTPORT (port);
SCM_ASSERT (SCM_NIMP (port) && SCM_PORTP (port) && SCM_OPENP (port),
port,
SCM_ARG1,
s_set_port_filename_x);
/* We allow the user to set the filename to whatever he likes. */
return SCM_PTAB_ENTRY (port)->file_name = filename;
}