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ls: Show symlink target with `-l`

This commit is contained in:
Bananymous 2024-09-17 19:12:34 +03:00
parent 0620ed3d4f
commit fbb99de728
1 changed files with 24 additions and 0 deletions
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24
userspace/programs/ls/main.cpp
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@ -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<simple_entry_t> 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)));
}