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44 lines
825 B
44 lines
825 B
#!/bin/tcc -run
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/**
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* hex cat: dump escape sequences received as ASCII and numbers
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* Ondřej Hruška, Aug 2017
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* MIT license
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <termios.h>
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#include <signal.h>
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void signal_handler(int sig);
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struct termios old;
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int main(void)
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{
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struct termios new;
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char c;
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signal(SIGTERM, signal_handler);
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signal(SIGINT, signal_handler);
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tcgetattr(TCSANOW, &old);
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new = old;
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new.c_lflag &= (~ECHO & ~ICANON);
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tcsetattr(0, TCSANOW, &new);
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tcsetattr(0, TCSANOW, &new);
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while(1) {
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char c = getchar();
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int n = c == 27 ? 33 : 36;
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if(c==27)printf("\n");
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printf("%2d \e[%dm%c\e[m ", c, n, c<32||c>126?'.':c); // <- change d to X or x if you want hex
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}
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}
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void signal_handler(int sig)
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{
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fputs("\n", stdout);
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tcsetattr(0, TCSANOW, &old);
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exit(0);
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}
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