Proxmox/proxmox-mini-journalreader
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rework usage printing a bit

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do most in a single fprintf call and use <format desc> tags

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2019-05-14 11:51:34 +00:00
parent f41595d37e
commit de3b55a800
1 changed files with 13 additions and 11 deletions
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24
src/mini-journalreader.c
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@ -185,17 +185,19 @@ void usage(char *error) {
fprintf(stderr, "ERROR: %s\n", error);
}
fprintf(stderr, "usage: %s [OPTIONS]\n", progname);
fprintf(stderr, " -b begin\tbegin at this UNIX epoch based timestamp\n");
fprintf(stderr, " -e end\tend at this UNIX epoch based timestamp\n");
fprintf(stderr, " -d directory\tpath to journal directory\n");
fprintf(stderr, " -n number\tprint the last number entries\n");
fprintf(stderr, " -f from\tprint from this cursor\n");
fprintf(stderr, " -t to\tprint to this cursor\n");
fprintf(stderr, " -h \t\tthis help\n");
fprintf(stderr, "\n");
fprintf(stderr, "giving a range conflicts with -n\n");
fprintf(stderr, "-b and -f conflict\n");
fprintf(stderr, "-e and -t conflict\n");
fprintf(stderr,
" -b <timestamp>\tbegin at this UNIX epoch based timestamp\n"
" -e <timestamp>\tend at this UNIX epoch based timestamp\n"
" -d <directory>\tpath to a journal directory\n"
" -n <integer>\t\tprint the last number entries logged\n"
" -f <cursor>\t\tprint from this cursor\n"
" -t <cursor>\t\tprint to this cursor\n"
" -h \t\t\tthis help\n"
"\n"
"Passing no range option will dump all the available journal\n"
"Giving a range conflicts with -n\n"
"-b and -f conflict\n"
"-e and -t conflict\n");
exit(error ? 1 : 0);
}