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LibCore: Add File::ensure_directories()

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This commit is contained in:
Tim Schumacher 2022-03-14 11:19:10 +01:00 • committed by Brian Gianforcaro
parent f44cd168b0
commit 62f0fa818d
2 changed files with 14 additions and 8 deletions
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21
Userland/Libraries/LibCore/File.cpp
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@ -183,17 +183,22 @@ String File::real_path_for(String const& filename)
bool File::ensure_parent_directories(String const& path) bool File::ensure_parent_directories(String const& path)
{ {
VERIFY(path.starts_with("/"));
int saved_errno = 0;
ScopeGuard restore_errno = [&saved_errno] { errno = saved_errno; };
char* parent_buffer = strdup(path.characters()); char* parent_buffer = strdup(path.characters());
ScopeGuard free_buffer = [parent_buffer] { free(parent_buffer); }; ScopeGuard free_buffer = [parent_buffer] { free(parent_buffer); };
char const* parent = dirname(parent_buffer); char const* parent = dirname(parent_buffer);
int rc = mkdir(parent, 0755); return ensure_directories(parent);
}
bool File::ensure_directories(String const& path)
{
VERIFY(path.starts_with("/"));
int saved_errno = 0;
ScopeGuard restore_errno = [&saved_errno] { errno = saved_errno; };
int rc = mkdir(path.characters(), 0755);
saved_errno = errno; saved_errno = errno;
if (rc == 0 || errno == EEXIST) if (rc == 0 || errno == EEXIST)
@ -202,12 +207,12 @@ bool File::ensure_parent_directories(String const& path)
if (errno != ENOENT) if (errno != ENOENT)
return false; return false;
bool ok = ensure_parent_directories(parent); bool ok = ensure_parent_directories(path);
saved_errno = errno; saved_errno = errno;
if (!ok) if (!ok)
return false; return false;
rc = mkdir(parent, 0755); rc = mkdir(path.characters(), 0755);
saved_errno = errno; saved_errno = errno;
return rc == 0; return rc == 0;
} }

1
Userland/Libraries/LibCore/File.h
View file

@ -38,6 +38,7 @@ public:
static bool exists(String const& filename); static bool exists(String const& filename);
static ErrorOr<size_t> size(String const& filename); static ErrorOr<size_t> size(String const& filename);
static bool ensure_parent_directories(String const& path); static bool ensure_parent_directories(String const& path);
static bool ensure_directories(String const& path);
static String current_working_directory(); static String current_working_directory();
static String absolute_path(String const& path); static String absolute_path(String const& path);