void
facron_conf_entries_free (FacronConfEntry *entry)
{
while (entry)
{
FacronConfEntry *next = entry->next;
facron_conf_entry_free (entry);
entry = next;
}
}
FacronConfEntry *
facron_parser_parse_entry (FacronParser *parser)
{
if (!facron_lexer_read_line (parser->lexer))
return NULL;
if (facron_lexer_invalid_line (parser->lexer))
goto fail_early;
char *path = facron_lexer_read_string (parser->lexer);
if (access (path, R_OK))
{
fprintf (stderr, "warning: No such file or directory: \"%s\"\n", path);
free (path);
goto fail_early;
}
facron_lexer_skip_spaces (parser->lexer);
if (facron_lexer_end_of_line (parser->lexer))
{
fprintf (stderr, "Error: no Fanotify mask has been specified.\n");
goto fail_early;
}
FacronConfEntry *entry = facron_conf_entry_new (parser->previous_entry, path);
int n = 0;
FacronResult result;
unsigned long long mask;
while (n < 511 && (result = facron_lexer_next_token (parser->lexer, &mask))) /* != S_END */
{
switch (result)
{
case R_ERROR:
goto fail;
case R_COMMA:
entry->mask[n++] |= mask;
break;
case R_PIPE:
entry->mask[n] |= mask;
break;
default:
break;
}
}
entry->mask[n] |= mask;
if (n == 0 && !entry->mask[n])
{
fprintf (stderr, "Error: no Fanotify mask has been specified.\n");
goto fail;
}
n = 0;
facron_lexer_skip_spaces (parser->lexer);
while (!facron_lexer_end_of_line (parser->lexer) && n < 511)
{
char *tmp = facron_lexer_read_string (parser->lexer);
entry->command[n++] = (!strcmp (tmp, "$$")) ? strdup (entry->path):
(!strcmp (tmp, "$@")) ? dirname (entry->path):
(!strcmp (tmp, "$#")) ? basename (entry->path):
NULL;
if (entry->command[n-1])
free (tmp);
else
entry->command[n-1] = tmp;
facron_lexer_skip_spaces (parser->lexer);
}
if (n == 0)
{
fprintf (stderr, "Error: no command line specified for \"%s\"\n", entry->path);
goto fail;
}
entry->command[n] = NULL;
parser->previous_entry = entry;
return entry;
fail:
facron_conf_entry_free (entry, false);
fail_early:
return facron_parser_parse_entry (parser);
}