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Screen Output (partial) Responsiveness

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xamidev
2024-06-02 18:04:06 +02:00
parent b076342fc2
commit 13c197fe1d
2 changed files with 29 additions and 4 deletions
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15
hex.c
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@@ -1,12 +1,15 @@
#include <stdio.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <unistd.h>
// TODO: Skip repeating lines
#define BYTES 1024
#define BYTES_PER_LINE 20
//#define BYTES_PER_LINE 10
#define round(x) (int)(x < 0 ? (x -0.5) : x + 0.5)
void print_hex(unsigned char* buf, int byteno, int pos)
void print_hex(unsigned char* buf, int byteno, int pos, int BYTES_PER_LINE)
{
for (int i=0; i<byteno; i++)
{
@@ -56,6 +59,10 @@ int main(int argc, char** argv)
return -1;
}
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
int BYTES_PER_LINE = round((w.ws_col-14)/4);
FILE* f = fopen(argv[1], "rb+");
if (!f)
{
@@ -64,7 +71,7 @@ int main(int argc, char** argv)
}
unsigned char buf[BYTES];
int byteno = fread(buf, 1, BYTES, f);
print_hex(buf, byteno, 0);
print_hex(buf, byteno, 0, BYTES_PER_LINE);
for (;;)
{
@@ -77,7 +84,7 @@ int main(int argc, char** argv)
switch(cmd)
{
case 'p':
print_hex(buf + loc, BYTES_PER_LINE, loc);
print_hex(buf + loc, BYTES_PER_LINE, loc, BYTES_PER_LINE);
break;
case 'e':
int value;