From fbb99de72893dc04c6f42251c731ae792c6971bd Mon Sep 17 00:00:00 2001 From: Bananymous Date: Tue, 17 Sep 2024 19:12:34 +0300 Subject: [PATCH] ls: Show symlink target with `-l` --- userspace/programs/ls/main.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/userspace/programs/ls/main.cpp b/userspace/programs/ls/main.cpp index 59f06696a3..fd3dbb00c2 100644 --- a/userspace/programs/ls/main.cpp +++ b/userspace/programs/ls/main.cpp @@ -21,6 +21,7 @@ struct simple_entry_t { BAN::String name; struct stat st; + BAN::String link; }; struct full_entry_t @@ -117,6 +118,8 @@ BAN::String build_time_string(BAN::Time time) int list_directory(const BAN::String& path, config_t config) { + static char link_buffer[PATH_MAX]; + BAN::Vector entries; struct stat st; @@ -131,7 +134,16 @@ int list_directory(const BAN::String& path, config_t config) int ret = 0; if (!S_ISDIR(st.st_mode)) + { MUST(entries.emplace_back(path, st)); + if (S_ISLNK(st.st_mode)) + { + if (readlink(path.data(), link_buffer, sizeof(link_buffer)) == -1) + perror("readlink"); + else + MUST(entries.back().link.append(link_buffer)); + } + } else { DIR* dirp = opendir(path.data()); @@ -155,6 +167,13 @@ int list_directory(const BAN::String& path, config_t config) } MUST(entries.emplace_back(BAN::StringView(dirent->d_name), st)); + if (S_ISLNK(st.st_mode)) + { + if (readlinkat(dirfd(dirp), dirent->d_name, link_buffer, sizeof(link_buffer)) == -1) + perror("readlink"); + else + MUST(entries.back().link.append(link_buffer)); + } } closedir(dirp); @@ -214,6 +233,11 @@ int list_directory(const BAN::String& path, config_t config) GET_ENTRY_STRING(time, time); full_entry.full_name = MUST(BAN::String::formatted("{}{}\e[m", entry_color(entry.st.st_mode), entry.name)); + if (S_ISLNK(entry.st.st_mode)) + { + MUST(full_entry.full_name.append(" -> "_sv)); + MUST(full_entry.full_name.append(entry.link)); + } MUST(full_entries.push_back(BAN::move(full_entry))); }