47 lines
759 B
C
47 lines
759 B
C
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#include <stdio.h>
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#include <termios.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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void changemode(int dir)
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{
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static struct termios oldt, newt;
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if ( dir == 1 )
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{
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tcgetattr( STDIN_FILENO, &oldt);
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newt = oldt;
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newt.c_lflag &= ~( ICANON | ECHO );
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tcsetattr( STDIN_FILENO, TCSANOW, &newt);
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}
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else
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tcsetattr( STDIN_FILENO, TCSANOW, &oldt);
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}
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int kbhit (void)
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{
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struct timeval tv;
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fd_set rdfs;
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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FD_ZERO(&rdfs);
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FD_SET (STDIN_FILENO, &rdfs);
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select(STDIN_FILENO+1, &rdfs, NULL, NULL, &tv);
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return FD_ISSET(STDIN_FILENO, &rdfs);
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}
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int osd_get_char() {
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changemode(1);
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int ch = -1;
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while(kbhit())
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ch = getchar();
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changemode(0);
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return ch;
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}
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