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Everywhere: Explicitly specify the size in StringView constructors

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This commit moves the length calculations out to be directly on the
StringView users. This is an important step towards the goal of removing
StringView(char const*), as it moves the responsibility of calculating
the size of the string to the user of the StringView (which will prevent
naive uses causing OOB access).
This commit is contained in:
sin-ack
2022-07-11 19:53:29 +00:00
committed by Andreas Kling
parent e3da0adfe6
commit c70f45ff44
75 changed files with 264 additions and 203 deletions
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12
Userland/Shell/Shell.cpp
View File

@@ -110,7 +110,7 @@ String Shell::prompt() const
builder.append(username);
break;
case 'h':
builder.append(hostname);
builder.append({ hostname, strlen(hostname) });
break;
case 'w': {
String home_path = getenv("HOME");
@@ -1607,7 +1607,7 @@ Vector<Line::CompletionSuggestion> Shell::complete_variable(StringView name, siz
// Look at the environment.
for (auto i = 0; environ[i]; ++i) {
auto entry = StringView { environ[i] };
StringView entry { environ[i], strlen(environ[i]) };
if (entry.starts_with(pattern)) {
auto parts = entry.split_view('=');
if (parts.is_empty() || parts.first().is_empty())
@@ -2183,7 +2183,10 @@ Shell::Shell()
// Add the default PATH vars.
{
StringBuilder path;
path.append(getenv("PATH"));
auto const* path_env_ptr = getenv("PATH");
if (path_env_ptr != NULL)
path.append({ path_env_ptr, strlen(path_env_ptr) });
if (path.length())
path.append(":");
path.append("/usr/local/sbin:/usr/local/bin:/usr/bin:/bin");
@@ -2476,7 +2479,8 @@ void Shell::timer_event(Core::TimerEvent& event)
if (m_is_subshell)
return;
StringView option = getenv("HISTORY_AUTOSAVE_TIME_MS");
auto const* autosave_env_ptr = getenv("HISTORY_AUTOSAVE_TIME_MS");
auto option = autosave_env_ptr != NULL ? StringView { autosave_env_ptr, strlen(autosave_env_ptr) } : StringView {};
auto time = option.to_uint();
if (!time.has_value() || time.value() == 0) {