diff options
Diffstat (limited to 'progressmeter.c')
| -rw-r--r-- | progressmeter.c | 60 |
1 files changed, 26 insertions, 34 deletions
diff --git a/progressmeter.c b/progressmeter.c index fe9bf52e4c90..e385c1254ccc 100644 --- a/progressmeter.c +++ b/progressmeter.c @@ -1,4 +1,4 @@ -/* $OpenBSD: progressmeter.c,v 1.45 2016/06/30 05:17:05 dtucker Exp $ */ +/* $OpenBSD: progressmeter.c,v 1.47 2019/01/24 16:52:17 dtucker Exp $ */ /* * Copyright (c) 2003 Nils Nordman. All rights reserved. * @@ -31,6 +31,7 @@ #include <errno.h> #include <signal.h> +#include <stdarg.h> #include <stdio.h> #include <string.h> #include <time.h> @@ -39,6 +40,7 @@ #include "progressmeter.h" #include "atomicio.h" #include "misc.h" +#include "utf8.h" #define DEFAULT_WINSIZE 80 #define MAX_WINSIZE 512 @@ -57,11 +59,8 @@ static void format_rate(char *, int, off_t); static void sig_winch(int); static void setscreensize(void); -/* updates the progressmeter to reflect the current state of the transfer */ -void refresh_progress_meter(void); - /* signal handler for updating the progress meter */ -static void update_progress_meter(int); +static void sig_alarm(int); static double start; /* start progress */ static double last_update; /* last progress update */ @@ -74,6 +73,7 @@ static long stalled; /* how long we have been stalled */ static int bytes_per_second; /* current speed in bytes per second */ static int win_size; /* terminal window size */ static volatile sig_atomic_t win_resized; /* for window resizing */ +static volatile sig_atomic_t alarm_fired; /* units for format_size */ static const char unit[] = " KMGT"; @@ -117,7 +117,7 @@ format_size(char *buf, int size, off_t bytes) } void -refresh_progress_meter(void) +refresh_progress_meter(int force_update) { char buf[MAX_WINSIZE + 1]; off_t transferred; @@ -126,9 +126,17 @@ refresh_progress_meter(void) off_t bytes_left; int cur_speed; int hours, minutes, seconds; - int i, len; int file_len; + if ((!force_update && !alarm_fired && !win_resized) || !can_output()) + return; + alarm_fired = 0; + + if (win_resized) { + setscreensize(); + win_resized = 0; + } + transferred = *counter - (cur_pos ? cur_pos : start_pos); cur_pos = *counter; now = monotime_double(); @@ -158,16 +166,11 @@ refresh_progress_meter(void) /* filename */ buf[0] = '\0'; - file_len = win_size - 35; + file_len = win_size - 36; if (file_len > 0) { - len = snprintf(buf, file_len + 1, "\r%s", file); - if (len < 0) - len = 0; - if (len >= file_len + 1) - len = file_len; - for (i = len; i < file_len; i++) - buf[i] = ' '; - buf[file_len] = '\0'; + buf[0] = '\r'; + snmprintf(buf+1, sizeof(buf)-1 , &file_len, "%*s", + file_len * -1, file); } /* percent of transfer done */ @@ -228,22 +231,11 @@ refresh_progress_meter(void) /*ARGSUSED*/ static void -update_progress_meter(int ignore) +sig_alarm(int ignore) { - int save_errno; - - save_errno = errno; - - if (win_resized) { - setscreensize(); - win_resized = 0; - } - if (can_output()) - refresh_progress_meter(); - - signal(SIGALRM, update_progress_meter); + signal(SIGALRM, sig_alarm); + alarm_fired = 1; alarm(UPDATE_INTERVAL); - errno = save_errno; } void @@ -259,10 +251,9 @@ start_progress_meter(const char *f, off_t filesize, off_t *ctr) bytes_per_second = 0; setscreensize(); - if (can_output()) - refresh_progress_meter(); + refresh_progress_meter(1); - signal(SIGALRM, update_progress_meter); + signal(SIGALRM, sig_alarm); signal(SIGWINCH, sig_winch); alarm(UPDATE_INTERVAL); } @@ -277,7 +268,7 @@ stop_progress_meter(void) /* Ensure we complete the progress */ if (cur_pos != end_pos) - refresh_progress_meter(); + refresh_progress_meter(1); atomicio(vwrite, STDOUT_FILENO, "\n", 1); } @@ -286,6 +277,7 @@ stop_progress_meter(void) static void sig_winch(int sig) { + signal(SIGWINCH, sig_winch); win_resized = 1; } |