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Utilities: Add -f option to ln

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Jean-Baptiste Boric 2021-10-23 13:52:09 +02:00 • committed by Andreas Kling
parent 8bbf43318f
commit eaeed259b0
1 changed files with 25 additions and 10 deletions
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25
Userland/Utilities/ln.cpp
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@ -16,11 +16,13 @@ int main(int argc, char** argv)
return 1; return 1;
} }
bool force = false;
bool symbolic = false; bool symbolic = false;
const char* target = nullptr; const char* target = nullptr;
const char* path = nullptr; const char* path = nullptr;
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_option(force, "Force the creation", "force", 'f');
args_parser.add_option(symbolic, "Create a symlink", "symbolic", 's'); args_parser.add_option(symbolic, "Create a symlink", "symbolic", 's');
args_parser.add_positional_argument(target, "Link target", "target"); args_parser.add_positional_argument(target, "Link target", "target");
args_parser.add_positional_argument(path, "Link path", "path", Core::ArgsParser::Required::No); args_parser.add_positional_argument(path, "Link path", "path", Core::ArgsParser::Required::No);
@ -32,19 +34,32 @@ int main(int argc, char** argv)
path = path_buffer.characters(); path = path_buffer.characters();
} }
do {
if (symbolic) { if (symbolic) {
int rc = symlink(target, path); int rc = symlink(target, path);
if (rc < 0) { if (rc < 0 && !force) {
perror("symlink"); perror("symlink");
return 1; return 1;
} } else if (rc == 0) {
return 0; return 0;
} }
} else {
int rc = link(target, path); int rc = link(target, path);
if (rc < 0) { if (rc < 0 && !force) {
perror("link"); perror("link");
return 1; return 1;
} } else if (rc == 0) {
return 0;
}
}
int rc = unlink(path);
if (rc < 0) {
perror("unlink");
return 1;
}
force = false;
} while (true);
return 0; return 0;
} }