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/*
* Replacement for "stty size", which is awkward for shell script use.
* - Allows to request width, height, or both, in any order.
* - Does not complain on error, but returns default 80x24.
* - Size: less than 200 bytes
*/
#include "libbb.h"
int ttysize_main(int argc, char **argv);
int ttysize_main(int argc, char **argv)
{
unsigned w,h;
struct winsize wsz;
w = 80;
h = 24;
if (!ioctl(0, TIOCGWINSZ, &wsz)) {
w = wsz.ws_col;
h = wsz.ws_row;
}
if (argc == 1) {
printf("%u %u", w, h);
} else {
const char *fmt, *arg;
fmt = "%u %u" + 3; /* "%u" */
while ((arg = *++argv) != NULL) {
char c = arg[0];
if (c == 'w')
printf(fmt, w);
if (c == 'h')
printf(fmt, h);
fmt = "%u %u" + 2; /* " %u" */
}
}
putchar('\n');
return 0;
}
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