90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/*
|
|
* $Id: func.c,v 1.6 2006-06-30 04:25:53 bacon Exp $
|
|
*/
|
|
|
|
#include <xp/awk/awk_i.h>
|
|
|
|
#ifndef XP_AWK_STAND_ALONE
|
|
#include <xp/bas/memory.h>
|
|
#include <xp/bas/string.h>
|
|
#include <xp/bas/assert.h>
|
|
#include <xp/bas/str.h>
|
|
#endif
|
|
|
|
static int __bfn_close (void* run);
|
|
|
|
/* TODO: move it under the awk structure... */
|
|
static xp_awk_bfn_t __bfn[] =
|
|
{
|
|
{ XP_T("system"), (1 << 5), 1, 1, XP_NULL },
|
|
{ XP_T("close"), XP_AWK_EXTIO, 1, 1, __bfn_close },
|
|
{ XP_NULL, 0, 0, 0, XP_NULL }
|
|
};
|
|
|
|
xp_awk_bfn_t* xp_awk_addbfn (
|
|
xp_awk_t* awk, const xp_char_t* name, int when_valid,
|
|
xp_size_t min_args, xp_size_t max_args, int (*handler)(void*))
|
|
{
|
|
/* TODO */
|
|
}
|
|
|
|
xp_awk_bfn_t* xp_awk_getbfn (xp_awk_t* awk, const xp_char_t* name)
|
|
{
|
|
xp_awk_bfn_t* p;
|
|
|
|
for (p = __bfn; p->name != XP_NULL; p++)
|
|
{
|
|
if (p->valid != 0 &&
|
|
(awk->opt.parse & p->valid) == 0) continue;
|
|
|
|
if (xp_strcmp (p->name, name) == 0) return p;
|
|
}
|
|
|
|
return XP_NULL;
|
|
}
|
|
|
|
static int __bfn_close (void* run)
|
|
{
|
|
xp_size_t nargs;
|
|
xp_str_t buf;
|
|
xp_awk_val_t* v;
|
|
int errnum, n;
|
|
|
|
nargs = xp_awk_getnargs (run);
|
|
xp_assert (nargs == 1);
|
|
/* TODO: support close (xxx, "to"/"from") like gawk */
|
|
|
|
if (xp_str_open (&buf, 256) == XP_NULL)
|
|
{
|
|
xp_awk_seterrnum (run, XP_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
if (xp_awk_valtostr (xp_awk_getarg(run, 0), &errnum, &buf) == XP_NULL)
|
|
{
|
|
xp_str_close (&buf);
|
|
xp_awk_seterrnum (run, errnum);
|
|
return -1;
|
|
}
|
|
|
|
n = xp_awk_closeextio (run, XP_STR_BUF(&buf), &errnum);
|
|
if (n == -1 && errnum != XP_AWK_ENOERR)
|
|
{
|
|
xp_str_close (&buf);
|
|
xp_awk_seterrnum (run, errnum);
|
|
return -1;
|
|
}
|
|
|
|
xp_str_close (&buf);
|
|
|
|
v = xp_awk_makeintval (run, n);
|
|
if (v == XP_NULL)
|
|
{
|
|
xp_awk_seterrnum (run, XP_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
xp_awk_setretval (run, v);
|
|
return 0;
|
|
}
|