bool parse_opts(
int * argc,
char *** argv,
int * events,
bool * monitor,
int * quiet,
unsigned long int * timeout,
int * recursive,
bool * csv,
bool * daemon,
bool * syslog,
char ** format,
char ** timefmt,
char ** fromfile,
char ** outfile,
char ** regex,
char ** iregex
) {
assert( argc ); assert( argv ); assert( events ); assert( monitor );
assert( quiet ); assert( timeout ); assert( csv ); assert( daemon );
assert( syslog ); assert( format ); assert( timefmt ); assert( fromfile );
assert( outfile ); assert( regex ); assert( iregex );
// Short options
char * opt_string = "mrhcdsqt:fo:e:";
// Construct array
struct option long_opts[17];
// --help
long_opts[0].name = "help";
long_opts[0].has_arg = 0;
long_opts[0].flag = NULL;
long_opts[0].val = (int)'h';
// --event
long_opts[1].name = "event";
long_opts[1].has_arg = 1;
long_opts[1].flag = NULL;
long_opts[1].val = (int)'e';
int new_event;
// --monitor
long_opts[2].name = "monitor";
long_opts[2].has_arg = 0;
long_opts[2].flag = NULL;
long_opts[2].val = (int)'m';
// --quiet
long_opts[3].name = "quiet";
long_opts[3].has_arg = 0;
long_opts[3].flag = NULL;
long_opts[3].val = (int)'q';
// --timeout
long_opts[4].name = "timeout";
long_opts[4].has_arg = 1;
long_opts[4].flag = NULL;
long_opts[4].val = (int)'t';
char * timeout_end = NULL;
// --filename
long_opts[5].name = "filename";
long_opts[5].has_arg = 0;
long_opts[5].flag = NULL;
long_opts[5].val = (int)'f';
// --recursive
long_opts[6].name = "recursive";
long_opts[6].has_arg = 0;
long_opts[6].flag = NULL;
long_opts[6].val = (int)'r';
// --csv
long_opts[7].name = "csv";
long_opts[7].has_arg = 0;
long_opts[7].flag = NULL;
long_opts[7].val = (int)'c';
// --daemon
long_opts[8].name = "daemon";
long_opts[8].has_arg = 0;
long_opts[8].flag = NULL;
long_opts[8].val = (int)'d';
// --syslog
long_opts[9].name = "syslog";
long_opts[9].has_arg = 0;
long_opts[9].flag = NULL;
long_opts[9].val = (int)'s';
// --format
long_opts[10].name = "format";
long_opts[10].has_arg = 1;
long_opts[10].flag = NULL;
long_opts[10].val = (int)'n';
// format with trailing newline
static char * newlineformat;
// --timefmt
long_opts[11].name = "timefmt";
long_opts[11].has_arg = 1;
long_opts[11].flag = NULL;
long_opts[11].val = (int)'i';
// --fromfile
long_opts[12].name = "fromfile";
long_opts[12].has_arg = 1;
long_opts[12].flag = NULL;
long_opts[12].val = (int)'z';
// --outfile
long_opts[13].name = "outfile";
long_opts[13].has_arg = 1;
long_opts[13].flag = NULL;
long_opts[13].val = (int)'o';
// --exclude
long_opts[14].name = "exclude";
long_opts[14].has_arg = 1;
long_opts[14].flag = NULL;
long_opts[14].val = (int)'a';
// --excludei
long_opts[15].name = "excludei";
long_opts[15].has_arg = 1;
long_opts[15].flag = NULL;
long_opts[15].val = (int)'b';
// Empty last element
long_opts[16].name = 0;
long_opts[16].has_arg = 0;
long_opts[16].flag = 0;
long_opts[16].val = 0;
// Get first option
char curr_opt = getopt_long(*argc, *argv, opt_string, long_opts, NULL);
// While more options exist...
while ( (curr_opt != '?') && (curr_opt != (char)-1) )
{
switch ( curr_opt )
{
// --help or -h
case 'h':
print_help();
// Shouldn't process any further...
return false;
break;
// --monitor or -m
case 'm':
*monitor = true;
break;
// --quiet or -q
case 'q':
(*quiet)++;
break;
// --recursive or -r
case 'r':
(*recursive)++;
break;
// --csv or -c
case 'c':
(*csv) = true;
break;
// --daemon or -d
case 'd':
(*daemon) = true;
(*monitor) = true;
(*syslog) = true;
break;
// --syslog or -s
case 's':
(*syslog) = true;
break;
// --filename or -f
case 'f':
fprintf(stderr, "The '--filename' option no longer exists. "
"The option it enabled in earlier\nversions of "
"inotifywait is now turned on by default.\n");
return false;
break;
// --format
case 'n':
newlineformat = (char *)malloc(strlen(optarg)+2);
strcpy( newlineformat, optarg );
strcat( newlineformat, "\n" );
(*format) = newlineformat;
break;
// --timefmt
case 'i':
(*timefmt) = optarg;
break;
// --exclude
case 'a':
(*regex) = optarg;
break;
// --excludei
case 'b':
(*iregex) = optarg;
break;
// --fromfile
case 'z':
if (*fromfile) {
fprintf(stderr, "Multiple --fromfile options given.\n");
return false;
}
(*fromfile) = optarg;
break;
// --outfile
case 'o':
if (*outfile) {
fprintf(stderr, "Multiple --outfile options given.\n");
return false;
}
(*outfile) = optarg;
break;
// --timeout or -t
case 't':
*timeout = strtoul(optarg, &timeout_end, 10);
if ( *timeout_end != '\0' )
{
fprintf(stderr, "'%s' is not a valid timeout value.\n"
"Please specify an integer of value 0 or "
"greater.\n",
optarg);
return false;
}
break;
// --event or -e
case 'e':
// Get event mask from event string
new_event = inotifytools_str_to_event(optarg);
// If optarg was invalid, abort
if ( new_event == -1 )
{
fprintf(stderr, "'%s' is not a valid event! Run with the "
"'--help' option to see a list of "
"events.\n", optarg);
return false;
}
// Add the new event to the event mask
(*events) = ( (*events) | new_event );
break;
}
curr_opt = getopt_long(*argc, *argv, opt_string, long_opts, NULL);
}
if ( *monitor && *timeout != 0 ) {
fprintf(stderr, "-m and -t cannot both be specified.\n");
return false;
}
if ( *regex && *iregex ) {
fprintf(stderr, "--exclude and --excludei cannot both be specified.\n");
return false;
}
if ( *format && *csv ) {
fprintf(stderr, "-c and --format cannot both be specified.\n");
return false;
}
if ( !*format && *timefmt ) {
fprintf(stderr, "--timefmt cannot be specified without --format.\n");
return false;
}
if ( *format && strstr( *format, "%T" ) && !*timefmt ) {
fprintf(stderr, "%%T is in --format string, but --timefmt was not "
"specified.\n");
return false;
}
if ( *daemon && *outfile == NULL ) {
fprintf(stderr, "-o must be specified with -d.\n");
return false;
}
(*argc) -= optind;
*argv = &(*argv)[optind];
// If ? returned, invalid option
return (curr_opt != '?');
}
bool parse_opts(
int * argc,
char *** argv,
int * events,
int * timeout,
int * verbose,
int * zero,
int * sort,
int * recursive,
char ** fromfile,
char ** regex,
char ** iregex
) {
assert( argc ); assert( argv ); assert( events ); assert( timeout );
assert( verbose ); assert( zero ); assert( sort ); assert( recursive );
assert( fromfile ); assert( regex ); assert( iregex );
// Short options
char * opt_string = "hra:d:zve:t:";
// Construct array
struct option long_opts[12];
// --help
long_opts[0].name = "help";
long_opts[0].has_arg = 0;
long_opts[0].flag = NULL;
long_opts[0].val = (int)'h';
// --event
long_opts[1].name = "event";
long_opts[1].has_arg = 1;
long_opts[1].flag = NULL;
long_opts[1].val = (int)'e';
int new_event;
// --timeout
long_opts[2].name = "timeout";
long_opts[2].has_arg = 1;
long_opts[2].flag = NULL;
long_opts[2].val = (int)'t';
char * timeout_end = NULL;
// --verbose
long_opts[3].name = "verbose";
long_opts[3].has_arg = 0;
long_opts[3].flag = NULL;
long_opts[3].val = (int)'v';
// --nonzero
long_opts[4].name = "zero";
long_opts[4].has_arg = 0;
long_opts[4].flag = NULL;
long_opts[4].val = (int)'z';
// --ascending
long_opts[5].name = "ascending";
long_opts[5].has_arg = 1;
long_opts[5].flag = NULL;
long_opts[5].val = (int)'a';
bool sort_set = false;
// --descending
long_opts[6].name = "descending";
long_opts[6].has_arg = 1;
long_opts[6].flag = NULL;
long_opts[6].val = (int)'d';
// --recursive
long_opts[7].name = "recursive";
long_opts[7].has_arg = 0;
long_opts[7].flag = NULL;
long_opts[7].val = (int)'r';
// --fromfile
long_opts[8].name = "fromfile";
long_opts[8].has_arg = 1;
long_opts[8].flag = NULL;
long_opts[8].val = (int)'o';
// --exclude
long_opts[9].name = "exclude";
long_opts[9].has_arg = 1;
long_opts[9].flag = NULL;
long_opts[9].val = (int)'c';
// --excludei
long_opts[10].name = "excludei";
long_opts[10].has_arg = 1;
long_opts[10].flag = NULL;
long_opts[10].val = (int)'b';
// Empty last element
long_opts[11].name = 0;
long_opts[11].has_arg = 0;
long_opts[11].flag = 0;
long_opts[11].val = 0;
// Get first option
char curr_opt = getopt_long(*argc, *argv, opt_string, long_opts, NULL);
// While more options exist...
while ( (curr_opt != '?') && (curr_opt != (char)-1) )
{
switch ( curr_opt )
{
// --help or -h
case 'h':
print_help();
// Shouldn't process any further...
return false;
break;
// --verbose or -v
case 'v':
++(*verbose);
break;
// --recursive or -r
case 'r':
++(*recursive);
break;
// --zero or -z
case 'z':
++(*zero);
break;
// --exclude
case 'c':
(*regex) = optarg;
break;
// --excludei
case 'b':
(*iregex) = optarg;
break;
// --fromfile
case 'o':
if (*fromfile) {
fprintf(stderr, "Multiple --fromfile options given.\n");
return false;
}
(*fromfile) = optarg;
break;
// --timeout or -t
case 't':
*timeout = strtoul(optarg, &timeout_end, 10);
if ( *timeout_end != '\0' || *timeout < 0)
{
fprintf(stderr, "'%s' is not a valid timeout value.\n"
"Please specify an integer of value 0 or "
"greater.\n",
optarg);
return false;
}
break;
// --event or -e
case 'e':
// Get event mask from event string
new_event = inotifytools_str_to_event(optarg);
// If optarg was invalid, abort
if ( new_event == -1 ) {
fprintf(stderr, "'%s' is not a valid event! Run with the "
"'--help' option to see a list of "
"events.\n", optarg);
return false;
}
// Add the new event to the event mask
(*events) = ( (*events) | new_event );
break;
// --ascending or -a
case 'a':
if ( sort_set ) {
fprintf( stderr, "Please specify -a or -d once only!\n" );
return false;
}
if ( 0 == strcasecmp( optarg, "total" ) ) {
(*sort) = 0;
}
else if ( 0 == strcasecmp( optarg, "move" ) ) {
fprintf( stderr, "Cannot sort by `move' event; please use "
"`moved_from' or `moved_to'.\n" );
return false;
}
else if ( 0 == strcasecmp( optarg, "close" ) ) {
fprintf( stderr, "Cannot sort by `close' event; please use "
"`close_write' or `close_nowrite'.\n" );
return false;
}
else {
int event = inotifytools_str_to_event(optarg);
// If optarg was invalid, abort
if ( event == -1 ) {
fprintf(stderr, "'%s' is not a valid key for "
"sorting!\n", optarg);
return false;
}
(*sort) = event;
}
sort_set = true;
break;
// --descending or -d
case 'd':
if ( sort_set ) {
fprintf( stderr, "Please specify -a or -d once only!\n" );
return false;
}
if ( 0 == strcasecmp( optarg, "total" ) ) {
(*sort) = -1;
}
else {
int event = inotifytools_str_to_event(optarg);
// If optarg was invalid, abort
if ( event == -1 ) {
fprintf(stderr, "'%s' is not a valid key for "
"sorting!\n", optarg);
return false;
}
(*sort) = -event;
}
break;
}
curr_opt = getopt_long(*argc, *argv, opt_string, long_opts, NULL);
}
(*argc) -= optind;
*argv = &(*argv)[optind];
if ( (*sort) != 0 && (*sort) != -1 &&
!(abs(*sort) & ((*events) ? (*events) : IN_ALL_EVENTS) )) {
fprintf( stderr, "Can't sort by an event which isn't being watched "
"for!\n" );
return false;
}
if ( *regex && *iregex ) {
fprintf(stderr, "--exclude and --excludei cannot both be specified.\n");
return false;
}
// If ? returned, invalid option
return (curr_opt != '?');
}
void str_to_event()
{
ENTER
compare(inotifytools_str_to_event("open,modify,access"),
IN_OPEN | IN_MODIFY | IN_ACCESS);
compare(inotifytools_str_to_event(",open,modify,access"), 0);
compare(inotifytools_str_to_event("open,modify,access,"), 0);
compare(inotifytools_str_to_event("open,modify,,access,close"), 0);
compare(inotifytools_str_to_event("open,mod,access,close"), -1);
compare(inotifytools_str_to_event("mod"), -1);
compare(inotifytools_str_to_event(","), 0);
compare(inotifytools_str_to_event(",,"), 0);
compare(inotifytools_str_to_event("open"), IN_OPEN);
compare(inotifytools_str_to_event("close"), IN_CLOSE);
compare(inotifytools_str_to_event(",close"), 0);
compare(inotifytools_str_to_event(",,close"), 0);
compare(inotifytools_str_to_event("close,"), 0);
compare(inotifytools_str_to_event("close,,"), 0);
EXIT
}
