From c01af95c398b21203cd991917101e29b21821284 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Thu, 2 Aug 2007 22:23:47 +0000 Subject: ttysize: new applet. +200 bytes --- miscutils/ttysize.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 miscutils/ttysize.c (limited to 'miscutils/ttysize.c') diff --git a/miscutils/ttysize.c b/miscutils/ttysize.c new file mode 100644 index 000000000..c1b702c2c --- /dev/null +++ b/miscutils/ttysize.c @@ -0,0 +1,39 @@ +/* + * 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; +} -- cgit v1.2.3