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logcat: posixize and extend long arguments 

- change _ to - for long arguments
- added --tail as hidden undocumented alias for -t
- added --head as hidden undocumented alias for --max-count

Bug: 27706081
Change-Id: I614cc83ae56b305b267f64ed05dc3ed3027dabd4
This commit is contained in:
Mark Salyzyn 2016-03-30 09:15:09 -07:00
parent aa730c1145
commit d85f6461b6
1 changed files with 11 additions and 7 deletions
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18
logcat/logcat.cpp
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@ -280,9 +280,9 @@ static void show_help(const char *cmd)
" -f <filename> Log to file. Default is stdout\n"
" --file=<filename>\n"
" -r <kbytes> Rotate log every kbytes. Requires -f\n"
" --rotate_kbytes=<kbytes>\n"
" --rotate-kbytes=<kbytes>\n"
" -n <count> Sets max number of rotated logs to <count>, default 4\n"
" --rotate_count=<count>\n"
" --rotate-count=<count>\n"
" -v <format> Sets the log print format, where <format> is:\n"
" --format=<format>\n"
" brief color epoch long monotonic printable process raw\n"
@ -303,9 +303,9 @@ static void show_help(const char *cmd)
" count is pure numerical, time is 'MM-DD hh:mm:ss.mmm...'\n"
" 'YYYY-MM-DD hh:mm:ss.mmm...' or 'sssss.mmm...' format\n"
" -g get the size of the log's ring buffer and exit\n"
" --buffer_size\n"
" --buffer-size\n"
" -G <size> set size of log ring buffer, may suffix with K or M.\n"
" --buffer_size=<size>\n"
" --buffer-size=<size>\n"
" -L dump logs from prior to last reboot\n"
" --last\n"
// Leave security (Device Owner only installations) and
@ -566,19 +566,23 @@ int main(int argc, char **argv)
static const struct option long_options[] = {
{ "binary", no_argument, NULL, 'B' },
{ "buffer", required_argument, NULL, 'b' },
{ "buffer_size", optional_argument, NULL, 'g' },
{ "buffer-size", optional_argument, NULL, 'g' },
{ "clear", no_argument, NULL, 'c' },
{ "dividers", no_argument, NULL, 'D' },
{ "file", required_argument, NULL, 'f' },
{ "format", required_argument, NULL, 'v' },
// hidden and undocumented reserved alias for --max-count
{ "head", required_argument, NULL, 'm' },
{ "last", no_argument, NULL, 'L' },
{ pid_str, required_argument, NULL, 0 },
{ "max-count", required_argument, NULL, 'm' },
{ "prune", optional_argument, NULL, 'p' },
{ "regex", required_argument, NULL, 'e' },
{ "rotate_count", required_argument, NULL, 'n' },
{ "rotate_kbytes", required_argument, NULL, 'r' },
{ "rotate-count", required_argument, NULL, 'n' },
{ "rotate-kbytes", required_argument, NULL, 'r' },
{ "statistics", no_argument, NULL, 'S' },
// hidden and undocumented reserved alias for -t
{ "tail", required_argument, NULL, 't' },
// support, but ignore and do not document, the optional argument
{ wrap_str, optional_argument, NULL, 0 },
{ NULL, 0, NULL, 0 }