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winsize

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This commit is contained in:
Romain Vimont 2021-11-07 23:02:11 +01:00
parent e98122c110
commit 315f467cc7
1 changed files with 12 additions and 1 deletions
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13
app/src/cli.c
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@ -11,6 +11,9 @@
#include "util/strbuf.h"
#include "util/str_util.h"
#include <termios.h>
#include <sys/ioctl.h>
#define STR_IMPL_(x) #x
#define STR(x) STR_IMPL_(x)
@ -740,7 +743,15 @@ print_shortcut(const struct sc_shortcut *shortcut, unsigned cols) {
void
scrcpy_print_usage(const char *arg0) {
const unsigned cols = 80; // For now, use an hardcoded value
unsigned cols = 80;
struct winsize ws;
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) != -1) {
cols = ws.ws_col;
if (cols < 20) {
cols = 20;
}
}
fprintf(stderr, "Usage: %s [options]\n\n"
"Options:\n", arg0);