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Refactoring for best practices

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This commit is contained in:
Jack-Benny Persson 2020-05-02 14:34:28 +02:00
parent 2d0b19ccf1
commit c03cc73acf
2 changed files with 3 additions and 3 deletions
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2
Makefile
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@ -1,5 +1,5 @@
subnetcalc: subnetcalc.c subnetcalc: subnetcalc.c
gcc subnetcalc.c -lm -o subnetcalc gcc -Wall -pedantic subnetcalc.c -lm -o subnetcalc
clean: subnetcalc clean: subnetcalc
rm subnetcalc rm subnetcalc

4
subnetcalc.c
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@ -6,13 +6,13 @@
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>
main() int main(void)
{ {
int net; int net;
double hosts; double hosts;
double addr; double addr;
printf("Enter netmask in slash-notation without the slash: "); printf("Enter netmask in slash-notation without the slash: ");
scanf("%d", &net); scanf("%2d", &net);
if (net >= 0 && net <= 32) // Sanity check the user input if (net >= 0 && net <= 32) // Sanity check the user input
{ {