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sbltool.c
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/*
* sbltool.c - Executable tool of the slib, preceded by the admin project
*
* Copyright (C) 2016-2020 Zhang Maiyun
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <slib.h>
#include <slib/getopt.h>
#include <slib/math.h>
#include <slib/stack.h>
#define INT_LEN 22
#define chk_fgets(s, l, f) \
if (!fgets((s), (l), (f))) \
exit((puts(""), 0))
const char *ver = "4.1.0";
void usage(void);
void eio(void);
int ui()
{
int selection = 0;
char buffer[INT_LEN];
printf("sbltool Copyright (C) 2016-2020 Zhang Maiyun\n"
"This program comes with ABSOLUTELY NO WARRANTY.\n"
"This is free software, and you are welcome to redistribute it\n"
"under certain conditions; visit <https://www.gnu.org/licenses/> "
"for details.\n");
helpme:
printf("1: Print program version\n"
"2: Prime numbers in a range\n"
"3: Primality test\n"
"4: Coprime test\n"
"5: Greatest common factor\n"
"6: Lowest common multiple\n");
for (;;)
{
printf("(admin) ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
selection = strtod(buffer, NULL);
if (selection == 0)
/* It is a character */
selection = buffer[0];
switch (selection)
{
case '\n':
case ' ':
goto helpme;
case 1:
printf("sbl admin v%s with slib v%d.%d.%d\n", ver,
SBLLIB_VERSION, SBLLIB_MINOR, SBLLIB_PATCHLEVEL);
printf("Build %s, %s\n", __DATE__, __TIME__);
break;
case 2:
{
slib_uint num1, num2;
printf("Minimum: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num1 = strtoslib(buffer, NULL, 0);
printf("Maximum: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num2 = strtoslib(buffer, NULL, 0);
slib_prtpn(num1, num2);
break;
}
case 3:
{
slib_uint num;
printf("Which number to test: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num = strtoslib(buffer, NULL, 0);
if (slib_ispn(num) == 1)
printf("Is a prime number!\n");
else
printf("Not a prime number!\n");
break;
}
case 4:
{
slib_uint num1, num2;
printf("First number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num1 = strtoslib(buffer, NULL, 0);
printf("Second number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num2 = strtoslib(buffer, NULL, 0);
if (slib_isrp(num1, num2) == 1)
printf("They are coprime!\n");
else
printf("They are not coprime!\n");
break;
}
case 5:
{
slib_uint num1, num2;
printf("First number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num1 = strtoslib(buffer, NULL, 0);
printf("Second number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num2 = strtoslib(buffer, NULL, 0);
printf("gcf(%" PRIslib ", %" PRIslib ") = %" PRIslib "\n", num1,
num2, slib_gcf(num1, num2));
break;
}
case 6:
{
slib_uint num1, num2;
printf("First number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num1 = strtoslib(buffer, NULL, 0);
printf("Second number: ");
fflush(stdout);
chk_fgets(buffer, INT_LEN, stdin);
num2 = strtoslib(buffer, NULL, 0);
printf("lcm(%" PRIslib ", %" PRIslib ") = %" PRIslib "\n", num1,
num2, slib_lcm(num1, num2));
break;
}
case 'q':
return 0;
case 'h':
goto helpme;
default:
printf("%s: Unknown option\n", buffer);
goto helpme;
}
}
}
int main(int argc, char *argv[])
{
int c;
const char *sopts = ":uhvr:g:l:p:d:c:";
if (argc > 1)
{
while ((c = getoptGS(argc, argv, sopts)) != -1)
{
switch (c)
{
case 'u':
return ui();
case 'h':
usage();
return 0;
case 'v':
printf("sbl admin v%s with slib v%d.%d.%d\n", ver,
SBLLIB_VERSION, SBLLIB_MINOR, SBLLIB_PATCHLEVEL);
printf("Build %s, %s\n", __DATE__, __TIME__);
break;
case 'r':
{
slib_uint n1, n2;
n1 = strtoslib(optargGS, NULL, 0);
n2 = strtoslib(argv[optindGS], NULL, 0);
printf("%" PRIslib " and %" PRIslib " are", n1, n2);
if (!slib_isrp(n1, n2))
printf(" not");
puts(" coprime");
break;
}
case 'g':
{
slib_uint n1, n2;
n1 = strtoslib(optargGS, NULL, 0);
n2 = strtoslib(argv[optindGS], NULL, 0);
printf("gcf(%" PRIslib ", %" PRIslib ") = %" PRIslib "\n",
n1, n2, slib_gcf(n1, n2));
break;
}
case 'l':
{
slib_uint n1, n2;
n1 = strtoslib(optargGS, NULL, 0);
n2 = strtoslib(argv[optindGS], NULL, 0);
printf("lcm(%" PRIslib ", %" PRIslib ") = %" PRIslib "\n",
n1, n2, slib_lcm(n1, n2));
break;
}
case 'p':
{
slib_uint n1, n2;
n1 = strtoslib(optargGS, NULL, 0);
n2 = strtoslib(argv[optindGS], NULL, 0);
slib_prtpn(n1, n2);
break;
}
case 'd':
{
slib_uint n;
n = strtoslib(optargGS, NULL, 0);
printf("%" PRIslib " is", n);
if (!slib_ispn(n))
printf(" not");
puts(" a prime number");
break;
}
case '?':
usage();
fprintf(stderr, "admin: unknown option -%c\n", optoptGS);
return 1;
case ':':
usage();
fprintf(stderr, "admin: option -%c needs an argument\n",
optoptGS);
return 1;
default:;
}
}
return 0;
}
else
{
return ui();
}
}
void usage(void)
{
printf("Usage:\n"
"\tadmin [-uhv] [-r <n1> <n2>] [-g <n1> <n2>] [-l <n1> <n2>]\n"
"\t[-p <n1> <n2>] [-d <num>] [-c <exp>]\n"
"Options:\n"
"\t-u\tInteractive mode, same as no options\n"
"\t-h\tShow this page.\n"
"\t-v\tShow version.\n"
"\t-r\tShow whether n1 and n2 are coprime.\n"
"\t-g\tGreatest common factor(divisor) of n1 and n2.\n"
"\t-l\tLeast common multiple of n1 and n2.\n"
"\t-p\tPrint prime numbers between n1 and n2.\n"
"\t-d\tPrimality test.\n");
}
void eio(void)
{
fprintf(stderr, "\nHmm... You've entered something I don't know!\n");
exit(2);
}