Files
calc/custom/c_pzasusb8.c
Landon Curt Noll e0df1646fc add -dead_strip_dylibs by default to the macOS linker
Under macOS, to reduce dependency chains, we remove functions and
data that are unreachable by the entry point or exported symbols.
In particular, the linker is run with "-dead_strip" and with
"-dead_strip_dylibs".
2023-08-14 04:11:33 -07:00

107 lines
2.5 KiB
C

/*
* c_pzasusb8 - print numerator as a string of USB8s
*
* Copyright (C) 1999-2004,2021-2023 Ernest Bowen
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
* as published by the Free Software Foundation.
*
* Calc is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
* Public License for more details.
*
* A copy of version 2.1 of the GNU Lesser General Public License is
* distributed with calc under the filename COPYING-LGPL. You should have
* received a copy with calc; if not, write to Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Under source code control: 1999/10/06 03:12:25
* File existed as early as: 1999
*
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
*/
/*
* ISO C requires a translation unit to contain at least one declaration,
* so we declare a global variable whose value is based on if CUSTOM is defined.
*/
#if defined(CUSTOM)
int c_pzasusb8_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_pzasusb8_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */
#if defined(CUSTOM)
#include <stdio.h>
#include "../have_const.h"
#include "../value.h"
#include "../custom.h"
#include "../zmath.h"
#include "../have_unused.h"
#include "../attribute.h"
#include "../banned.h" /* include after system header <> includes */
/*
* c_pzasusb8 - print numerator as a string of USB8s
*
* given:
* count = 1;
* vals[0] real number;
*
* returns:
* null
*/
/*ARGSUSED*/
VALUE
c_pzasusb8(char *UNUSED(name), int UNUSED(count), VALUE **vals)
{
VALUE result; /* what we will return */
ZVALUE z; /* numerator of the value */
long half_cnt; /* number of HALFs in the numerator */
USB8 *h; /* octet pointer */
long half_len; /* length of a half in octets */
long i;
long j;
/*
* arg check
*/
result.v_type = V_NULL;
if (vals[0]->v_type != V_NUM) {
math_error("Non-real argument for pzasusb8");
not_reached();
}
/*
* look at the numerator
*/
z = vals[0]->v_num->num;
half_len = sizeof(HALF);
half_cnt = z.len;
/*
* print the octets
*/
h = (USB8 *) z.v;
for (i=0; i < half_cnt; ++i) {
printf("%ld:\t", i);
for (j=0; j < half_len; ++j) {
printf("%02x", (int)(*h++));
}
putchar('\n');
}
return result;
}
#endif /* CUSTOM */