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authorKaren Arutyunov <karen@codesynthesis.com>2022-12-12 13:25:19 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2022-12-12 14:23:40 +0300
commit82982e037dea53b334070699471e682fb023dc9e (patch)
tree67e7715a6f08f5468b441d66ad5c2d96729e9d11 /tests/wildcard/driver.cxx
parentab64b769ca15d00257face17841c97d5405161a5 (diff)
Support detecting inaccessible/dangling entries in dir_iterator, path_search()
Diffstat (limited to 'tests/wildcard/driver.cxx')
-rw-r--r--tests/wildcard/driver.cxx57
1 files changed, 52 insertions, 5 deletions
diff --git a/tests/wildcard/driver.cxx b/tests/wildcard/driver.cxx
index 9419a79..fee2748 100644
--- a/tests/wildcard/driver.cxx
+++ b/tests/wildcard/driver.cxx
@@ -4,11 +4,14 @@
#include <map>
#include <string>
#include <vector>
-#include <algorithm> // sort()
-#include <exception>
#include <iostream>
+#include <algorithm> // sort()
+#include <exception>
+#include <functional>
+#include <system_error>
#include <libbutl/path.hxx>
+#include <libbutl/path-io.hxx>
#include <libbutl/utility.hxx> // operator<<(ostream, exception)
#include <libbutl/optional.hxx>
#include <libbutl/filesystem.hxx>
@@ -59,8 +62,13 @@ int _CRT_glob = 0;
// through contains only the specified entry. The start directory is used if
// the first pattern component is a self-matching wildcard.
//
+// -d (print|stop)
+// If a inaccessible/dangling link is encountered, then print its path to
+// stderr and, optionally, stop the search. Meaningful in combination with
+// -sd and must follow it, if specified in the command line.
+//
// -i
-// Pass psflags::ignorable_components to the match/search functions.
+// Pass path_match_flags::match_absent to the match/search functions.
// Meaningful in combination with -sd or -sp options and must follow it, if
// specified in the command line.
//
@@ -93,6 +101,9 @@ try
bool sort (true);
path_match_flags flags (path_match_flags::follow_symlinks);
+ bool dangle_stop (false);
+ function<bool (const dir_entry&)> dangle_func;
+
int i (2);
for (; i != argc; ++i)
{
@@ -101,6 +112,34 @@ try
sort = false;
else if (o == "-i")
flags |= path_match_flags::match_absent;
+ else if (o == "-d")
+ {
+ ++i;
+
+ assert (op == "-sd" && i != argc);
+
+ string v (argv[i]);
+
+ if (v == "print")
+ {
+ dangle_func = [] (const dir_entry& de)
+ {
+ cerr << de.base () / de.path () << endl;
+ return true;
+ };
+ }
+ else if (v == "stop")
+ {
+ dangle_func = [&dangle_stop] (const dir_entry& de)
+ {
+ cerr << de.base () / de.path () << endl;
+ dangle_stop = true;
+ return false;
+ };
+ }
+ else
+ assert (false);
+ }
else
break; // End of options.
}
@@ -166,10 +205,13 @@ try
};
if (!entry)
- path_search (pattern, add, start, flags);
+ path_search (pattern, add, start, flags, dangle_func);
else
path_search (pattern, *entry, add, start, flags);
+ if (dangle_stop)
+ return 1;
+
// It the search succeeds, then test search in the directory tree
// represented by each matched path. Otherwise, if the directory tree is
// specified, then make sure that it doesn't match the pattern.
@@ -230,8 +272,13 @@ catch (const invalid_path& e)
cerr << e << ": " << e.path << endl;
return 2;
}
+catch (const system_error& e)
+{
+ cerr << e << endl;
+ return 3;
+}
catch (const exception& e)
{
cerr << e << endl;
- return 2;
+ return 4;
}