diff options
Diffstat (limited to 'src/xz/message.c')
| -rw-r--r-- | src/xz/message.c | 86 |
1 files changed, 38 insertions, 48 deletions
diff --git a/src/xz/message.c b/src/xz/message.c index 5dd9bc37..f24e98e9 100644 --- a/src/xz/message.c +++ b/src/xz/message.c @@ -308,30 +308,20 @@ message_progress_start(lzma_stream *strm, uint64_t in_size) /// Make the string indicating completion percentage. static const char * -progress_percentage(uint64_t in_pos, bool final) +progress_percentage(uint64_t in_pos) { - static char buf[sizeof("100.0 %")]; - - double percentage; - - if (final) { - // Use floating point conversion of snprintf() also for - // 100.0 % instead of fixed string, because the decimal - // separator isn't a dot in all locales. - percentage = 100.0; - } else { - // If the size of the input file is unknown or the size told us is - // clearly wrong since we have processed more data than the alleged - // size of the file, show a static string indicating that we have - // no idea of the completion percentage. - if (expected_in_size == 0 || in_pos > expected_in_size) - return "--- %"; - - // Never show 100.0 % before we actually are finished. - percentage = (double)(in_pos) / (double)(expected_in_size) - * 99.9; - } - + // If the size of the input file is unknown or the size told us is + // clearly wrong since we have processed more data than the alleged + // size of the file, show a static string indicating that we have + // no idea of the completion percentage. + if (expected_in_size == 0 || in_pos > expected_in_size) + return "--- %"; + + // Never show 100.0 % before we actually are finished. + double percentage = (double)(in_pos) / (double)(expected_in_size) + * 99.9; + + static char buf[sizeof("99.9 %")]; snprintf(buf, sizeof(buf), "%.1f %%", percentage); return buf; @@ -347,7 +337,7 @@ progress_sizes(uint64_t compressed_pos, uint64_t uncompressed_pos, bool final) // separator is used, or about 1 PiB without thousand separator. // After that the progress indicator will look a bit silly, since // the compression ratio no longer fits with three decimal places. - static char buf[44]; + static char buf[36]; char *pos = buf; size_t left = sizeof(buf); @@ -357,9 +347,9 @@ progress_sizes(uint64_t compressed_pos, uint64_t uncompressed_pos, bool final) const enum nicestr_unit unit_min = final ? NICESTR_B : NICESTR_MIB; my_snprintf(&pos, &left, "%s / %s", uint64_to_nicestr(compressed_pos, - unit_min, NICESTR_MIB, false, 0), + unit_min, NICESTR_TIB, false, 0), uint64_to_nicestr(uncompressed_pos, - unit_min, NICESTR_MIB, false, 1)); + unit_min, NICESTR_TIB, false, 1)); // Avoid division by zero. If we cannot calculate the ratio, set // it to some nice number greater than 10.0 so that it gets caught @@ -451,13 +441,13 @@ progress_time(uint64_t useconds) } -/// Make the string to contain the estimated remaining time, or if the amount -/// of input isn't known, how much time has elapsed. +/// Return a string containing estimated remaining time when +/// reasonably possible. static const char * progress_remaining(uint64_t in_pos, uint64_t elapsed) { - // Show the amount of time spent so far when making an estimate of - // remaining time wouldn't be reasonable: + // Don't show the estimated remaining time when it wouldn't + // make sense: // - Input size is unknown. // - Input has grown bigger since we started (de)compressing. // - We haven't processed much data yet, so estimate would be @@ -466,7 +456,7 @@ progress_remaining(uint64_t in_pos, uint64_t elapsed) // so estimate would be too inaccurate. if (expected_in_size == 0 || in_pos > expected_in_size || in_pos < (UINT64_C(1) << 19) || elapsed < 8000000) - return progress_time(elapsed); + return ""; // Calculate the estimate. Don't give an estimate of zero seconds, // since it is possible that all the input has been already passed @@ -530,9 +520,8 @@ progress_remaining(uint64_t in_pos, uint64_t elapsed) snprintf(buf, sizeof(buf), "%" PRIu32 " d", remaining); } else { - // The estimated remaining time is so big that it's better - // that we just show the elapsed time. - return progress_time(elapsed); + // The estimated remaining time is too big. Don't show it. + return ""; } return buf; @@ -599,10 +588,11 @@ message_progress_update(void) // Print the actual progress message. The idea is that there is at // least three spaces between the fields in typical situations, but // even in rare situations there is at least one space. - fprintf(stderr, " %7s %43s %9s %10s\r", - progress_percentage(in_pos, false), + fprintf(stderr, "\r %6s %35s %9s %10s %10s\r", + progress_percentage(in_pos), progress_sizes(compressed_pos, uncompressed_pos, false), progress_speed(uncompressed_pos, elapsed), + progress_time(elapsed), progress_remaining(in_pos, elapsed)); #ifdef SIGALRM @@ -666,7 +656,6 @@ progress_flush(bool finished) progress_active = false; const uint64_t elapsed = progress_elapsed(); - const char *elapsed_str = progress_time(elapsed); signals_block(); @@ -674,24 +663,24 @@ progress_flush(bool finished) // statistics are printed in the same format as the progress // indicator itself. if (progress_automatic) { - // Using floating point conversion for the percentage instead - // of static "100.0 %" string, because the decimal separator - // isn't a dot in all locales. - fprintf(stderr, " %7s %43s %9s %10s\n", - progress_percentage(in_pos, finished), + fprintf(stderr, "\r %6s %35s %9s %10s %10s\n", + finished ? "100 %" : progress_percentage(in_pos), progress_sizes(compressed_pos, uncompressed_pos, true), progress_speed(uncompressed_pos, elapsed), - elapsed_str); + progress_time(elapsed), + finished ? "" : progress_remaining(in_pos, elapsed)); } else { // The filename is always printed. fprintf(stderr, "%s: ", filename); // Percentage is printed only if we didn't finish yet. - // FIXME: This may look weird when size of the input - // isn't known. - if (!finished) - fprintf(stderr, "%s, ", - progress_percentage(in_pos, false)); + if (!finished) { + // Don't print the percentage when it isn't known + // (starts with a dash). + const char *percentage = progress_percentage(in_pos); + if (percentage[0] != '-') + fprintf(stderr, "%s, ", percentage); + } // Size information is always printed. fprintf(stderr, "%s", progress_sizes( @@ -702,6 +691,7 @@ progress_flush(bool finished) if (speed[0] != '\0') fprintf(stderr, ", %s", speed); + const char *elapsed_str = progress_time(elapsed); if (elapsed_str[0] != '\0') fprintf(stderr, ", %s", elapsed_str); |