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xor instead of more complicated version from a text editor tutorial

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dtb 2023-12-09 10:01:49 -07:00
parent 81cc1ef31b
commit 02353836ca
1 changed files with 6 additions and 1 deletions
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7
wip/peek/peek.c
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@ -17,7 +17,7 @@ int main(int argc, char *argv[]){
/* disable terminal echo */ /* disable terminal echo */
tcgetattr(STDIN_FILENO, &t); tcgetattr(STDIN_FILENO, &t);
t.c_lflag &= ~(ECHO); t.c_lflag ^= ECHO;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &t); tcsetattr(STDIN_FILENO, TCSAFLUSH, &t);
eof = EOF; eof = EOF;
@ -30,6 +30,7 @@ int main(int argc, char *argv[]){
case 'e': to_stderr = 1; break; case 'e': to_stderr = 1; break;
case 'n': include_eof = 1; break; case 'n': include_eof = 1; break;
case 'o': to_stdout = 1; break; case 'o': to_stdout = 1; break;
case 'p': printf("not yet implemented\n");
default: default:
fprintf(stderr, "Usage: %s (-1eno) (-p [program])\n", fprintf(stderr, "Usage: %s (-1eno) (-p [program])\n",
argv[0] == NULL ? program_name : argv[0]); argv[0] == NULL ? program_name : argv[0]);
@ -49,5 +50,9 @@ int main(int argc, char *argv[]){
if(include_eof && to_stderr) if(include_eof && to_stderr)
putc(c, stderr); putc(c, stderr);
tcgetattr(STDIN_FILENO, &t);
t.c_lflag |= ECHO;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &t);
return EX_OK; return EX_OK;
} }