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restyle the key_reader source

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This commit is contained in:
Kurtis Rader 2016-05-06 18:51:28 -07:00
parent 3626c39398
commit 14d7b1a0fa
1 changed files with 12 additions and 17 deletions
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29
src/key_reader.cpp
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@ -1,10 +1,7 @@
/*
A small utility to print the resulting key codes from pressing a
key. Servers the same function as hitting ^V in bash, but I prefer
the way key_reader works.
Type ^C to exit the program.
*/
// A small utility to print the resulting key codes from pressing a key. Servers the same function
// as hitting ^V in bash, but I prefer the way key_reader works.
//
// Type ^C to exit the program.
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
@ -48,19 +45,19 @@ int main(int argc, char **argv) {
char scratch[1024];
unsigned int c;
struct termios modes, /* so we can change the modes */
savemodes; /* so we can reset the modes when we're done */
struct termios modes, // so we can change the modes
savemodes; // so we can reset the modes when we're done
input_common_init(0);
tcgetattr(0, &modes); /* get the current terminal modes */
savemodes = modes; /* save a copy so we can reset them */
tcgetattr(0, &modes); // get the current terminal modes
savemodes = modes; // save a copy so we can reset them
modes.c_lflag &= ~ICANON; /* turn off canonical mode */
modes.c_lflag &= ~ECHO; /* turn off echo mode */
modes.c_lflag &= ~ICANON; // turn off canonical mode
modes.c_lflag &= ~ECHO; // turn off echo mode
modes.c_cc[VMIN] = 1;
modes.c_cc[VTIME] = 0;
tcsetattr(0, TCSANOW, &modes); /* set the new modes */
tcsetattr(0, TCSANOW, &modes); // set the new modes
while (1) {
if ((c = input_common_readch(0)) == EOF) break;
if ((c > 31) && (c != 127))
@ -69,9 +66,7 @@ int main(int argc, char **argv) {
sprintf(scratch, "dec: %u hex: %x\n", c, c);
writestr(scratch);
}
/* reset the terminal to the saved mode */
tcsetattr(0, TCSANOW, &savemodes);
tcsetattr(0, TCSANOW, &savemodes); // reset the terminal to the saved mode
input_common_destroy();
}