diff options
Diffstat (limited to 'include/ttyutils.h')
| -rw-r--r-- | include/ttyutils.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/ttyutils.h b/include/ttyutils.h index f638aa0d9..15809e85a 100644 --- a/include/ttyutils.h +++ b/include/ttyutils.h @@ -1,7 +1,11 @@ #ifndef UTIL_LINUX_TTYUTILS_H #define UTIL_LINUX_TTYUTILS_H +#include <stdlib.h> #include <termios.h> +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif #define UL_TTY_KEEPCFLAGS (1 << 1) #define UL_TTY_UTF8 (1 << 2) @@ -74,4 +78,29 @@ static inline void reset_virtual_console(struct termios *tp, int flags) tp->c_cc[VEOL2] = _POSIX_VDISABLE; } +static inline int get_terminal_width(void) +{ +#ifdef TIOCGSIZE + struct ttysize t_win; +#endif +#ifdef TIOCGWINSZ + struct winsize w_win; +#endif + const char *cp; + +#ifdef TIOCGSIZE + if (ioctl (0, TIOCGSIZE, &t_win) == 0) + return t_win.ts_cols; +#endif +#ifdef TIOCGWINSZ + if (ioctl (0, TIOCGWINSZ, &w_win) == 0) + return w_win.ws_col; +#endif + cp = getenv("COLUMNS"); + if (cp) + return strtol(cp, NULL, 10); + return 0; +} + + #endif /* UTIL_LINUX_TTYUTILS_H */ |