diff options
Diffstat (limited to 'pager.c')
| -rw-r--r-- | pager.c | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -100,6 +100,7 @@ void prepare_pager_args(struct child_process *pager_process, const char *pager) argv_array_push(&pager_process->args, pager); pager_process->use_shell = 1; setup_pager_env(&pager_process->env_array); + pager_process->trace2_child_class = "pager"; } void setup_pager(void) @@ -177,6 +178,26 @@ int term_columns(void) } /* + * Clear the entire line, leave cursor in first column. + */ +void term_clear_line(void) +{ + if (is_terminal_dumb()) + /* + * Fall back to print a terminal width worth of space + * characters (hoping that the terminal is still as wide + * as it was upon the first call to term_columns()). + */ + fprintf(stderr, "\r%*s\r", term_columns(), ""); + else + /* + * On non-dumb terminals use an escape sequence to clear + * the whole line, no matter how wide the terminal. + */ + fputs("\r\033[K", stderr); +} + +/* * How many columns do we need to show this number in decimal? */ int decimal_width(uintmax_t number) |