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changed the way FILENAME and OFILENAME are set upon start-up

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This commit is contained in:
hyung-hwan 2011-04-21 01:37:48 +00:00
parent c7020c00ca
commit 0ba21de0f1
1 changed files with 65 additions and 61 deletions
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72
qse/lib/awk/std.c
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@ -1,5 +1,5 @@
/*
* $Id: std.c 436 2011-04-17 15:28:22Z hyunghwan.chung $
* $Id: std.c 439 2011-04-20 07:37:48Z hyunghwan.chung $
*
Copyright 2006-2009 Chung, Hyung-Hwan.
This file is part of QSE.
@ -1194,32 +1194,21 @@ qse_awk_rtx_t* qse_awk_rtx_openstd (
rxtn->c.out.index = 0;
rxtn->c.out.count = 0;
if (icf && icf[0])
{
/* If an explicit console file name is given,
* set FILENAME in advance in case FILENAME printing
* is the first output statement executed. FILENAME
* would be printed as an empty string without this
* as FILENAME is resolved before the I/O handler is
* executed.
*/
if (qse_awk_rtx_setfilename (rtx, icf[0], qse_strlen(icf[0])) <= -1)
{
awk->errinf = rtx->errinf; /* transfer error info */
qse_awk_rtx_close (rtx);
return QSE_NULL;
}
}
/* FILENAME can be set when the input console is opened.
* so we skip setting it here even if an explicit console file
* is specified. So the value of FILENAME is empty in the
* BEGIN block unless getline is ever met.
*
* However, OFILENAME is different. The output
* console is treated as if it's already open upon start-up.
* otherwise, 'BEGIN { print OFILENAME; }' prints an empty
* string regardless of output console files specified.
* That's because OFILENAME is evaluated before the output
* console file is opened.
*/
if (ocf && ocf[0])
{
/* If an explicit console file name is given,
* set OFILENAME in advance in case OFILENAME printing
* is the first output statement executed. OFILENAME
* would be printed as an empty string without this
* as OFILENAME is resolved before the I/O handler is
* executed.
*/
if (qse_awk_rtx_setofilename (rtx, ocf[0], qse_strlen(ocf[0])) <= -1)
{
awk->errinf = rtx->errinf; /* transfer error info */
@ -1261,26 +1250,32 @@ static int fnc_math_1 (
a0 = qse_awk_rtx_getarg (run, 0);
n = qse_awk_rtx_valtonum (run, a0, &lv, &rv);
if (n == -1) return -1;
if (n <= -1) return -1;
if (n == 0) rv = (qse_real_t)lv;
if (type == FNC_MATH_LD)
switch (type)
{
case FNC_MATH_LD:
{
long double (*rf) (long double) =
(long double(*)(long double))f;
r = qse_awk_rtx_makerealval (run, rf(rv));
break;
}
else if (type == FNC_MATH_D)
case FNC_MATH_D:
{
double (*rf) (double) = (double(*)(double))f;
r = qse_awk_rtx_makerealval (run, rf(rv));
break;
}
else
default:
{
float (*rf) (float);
QSE_ASSERT (type == FNC_MATH_F);
rf = (float(*)(float))f;
r = qse_awk_rtx_makerealval (run, rf(rv));
break;
}
}
if (r == QSE_NULL) return -1;
@ -1306,30 +1301,39 @@ static int fnc_math_2 (
a1 = qse_awk_rtx_getarg (run, 1);
n = qse_awk_rtx_valtonum (run, a0, &lv0, &rv0);
if (n == -1) return -1;
if (n <= -1) return -1;
if (n == 0) rv0 = (qse_real_t)lv0;
n = qse_awk_rtx_valtonum (run, a1, &lv1, &rv1);
if (n == -1) return -1;
if (n <= -1) return -1;
if (n == 0) rv1 = (qse_real_t)lv1;
if (type == FNC_MATH_LD)
switch (type)
{
case FNC_MATH_LD:
{
long double (*rf) (long double,long double) =
(long double(*)(long double,long double))f;
r = qse_awk_rtx_makerealval (run, rf(rv0,rv1));
break;
}
else if (type == FNC_MATH_D)
case FNC_MATH_D:
{
double (*rf) (double,double) = (double(*)(double,double))f;
double (*rf) (double,double) =
(double(*)(double,double))f;
r = qse_awk_rtx_makerealval (run, rf(rv0,rv1));
break;
}
else
default:
{
float (*rf) (float,float);
QSE_ASSERT (type == FNC_MATH_F);
rf = (float(*)(float,float))f;
r = qse_awk_rtx_makerealval (run, rf(rv0,rv1));
break;
}
}
if (r == QSE_NULL) return -1;