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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
commit | 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch) | |
tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /lib/ext2fs/progress.c | |
parent | Initial commit. (diff) | |
download | e2fsprogs-upstream/1.47.0.tar.xz e2fsprogs-upstream/1.47.0.zip |
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/ext2fs/progress.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/lib/ext2fs/progress.c b/lib/ext2fs/progress.c new file mode 100644 index 0000000..fe4292f --- /dev/null +++ b/lib/ext2fs/progress.c @@ -0,0 +1,103 @@ +/* + * progress.c - Numeric progress meter + * + * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, + * 2003, 2004, 2005 by Theodore Ts'o. + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Public + * License. + * %End-Header% + */ + +#include "config.h" +#include "ext2fs.h" +#include "ext2fsP.h" + +#include <time.h> + +static char spaces[80], backspaces[80]; +static time_t last_update; + +struct ext2fs_progress_ops ext2fs_numeric_progress_ops = { + .init = ext2fs_numeric_progress_init, + .update = ext2fs_numeric_progress_update, + .close = ext2fs_numeric_progress_close, +}; + +static int int_log10(unsigned int arg) +{ + int l; + + for (l=0; arg ; l++) + arg = arg / 10; + return l; +} + +void ext2fs_numeric_progress_init(ext2_filsys fs, + struct ext2fs_numeric_progress_struct * progress, + const char *label, __u64 max) +{ + /* + * The PRINT_PROGRESS flag turns on or off ALL + * progress-related messages, whereas the SKIP_PROGRESS + * environment variable prints the start and end messages but + * not the numeric countdown in the middle. + */ + if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS)) + return; + + memset(spaces, ' ', sizeof(spaces)-1); + spaces[sizeof(spaces)-1] = 0; + memset(backspaces, '\b', sizeof(backspaces)-1); + backspaces[sizeof(backspaces)-1] = 0; + + memset(progress, 0, sizeof(*progress)); + if (getenv("E2FSPROGS_SKIP_PROGRESS")) + progress->skip_progress++; + + + /* + * Figure out how many digits we need + */ + progress->max = max; + progress->log_max = int_log10(max); + + if (label) { + fputs(label, stdout); + fflush(stdout); + } + last_update = 0; +} + +void ext2fs_numeric_progress_update(ext2_filsys fs, + struct ext2fs_numeric_progress_struct * progress, + __u64 val) +{ + time_t now; + + if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS)) + return; + if (progress->skip_progress) + return; + now = time(0); + if (now == last_update) + return; + last_update = now; + + printf("%*llu/%*llu", progress->log_max, (unsigned long long) val, + progress->log_max, (unsigned long long) progress->max); + fprintf(stdout, "%.*s", (2*progress->log_max)+1, backspaces); +} + +void ext2fs_numeric_progress_close(ext2_filsys fs, + struct ext2fs_numeric_progress_struct * progress, + const char *message) +{ + if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS)) + return; + fprintf(stdout, "%.*s", (2*progress->log_max)+1, spaces); + fprintf(stdout, "%.*s", (2*progress->log_max)+1, backspaces); + if (message) + fputs(message, stdout); +} |