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-rw-r--r--source/kit/file.c118
-rw-r--r--source/kit/file.h13
-rw-r--r--source/kit/input_buffer.c6
-rw-r--r--source/kit/status.h11
4 files changed, 94 insertions, 54 deletions
diff --git a/source/kit/file.c b/source/kit/file.c
index d69bf76..0760258 100644
--- a/source/kit/file.c
+++ b/source/kit/file.c
@@ -24,7 +24,7 @@ static int is_delim(char const c) {
kit_string_t kit_path_norm(kit_str_t const path,
kit_allocator_t const alloc) {
- str_t parent = SZ("..");
+ str_t const parent = SZ("..");
string_t norm;
DA_INIT(norm, path.size, alloc);
@@ -189,6 +189,9 @@ kit_str_t kit_path_take(kit_str_t const path, ptrdiff_t const count) {
#if defined(_WIN32) && !defined(__CYGWIN__)
static void win32_prepare_path_(WCHAR *const buf,
kit_str_t const path) {
+ assert(path.size == 0 || path.values != NULL);
+ assert(path.size + 5 < PATH_BUF_SIZE);
+
memset(buf, 0, PATH_BUF_SIZE);
buf[0] = L'\\';
buf[1] = L'\\';
@@ -208,6 +211,9 @@ static void win32_prepare_path_(WCHAR *const buf,
#else
static void unix_prepare_path_(char *const buf,
kit_str_t const path) {
+ assert(path.size == 0 || path.values != NULL);
+ assert(path.size + 1 < PATH_BUF_SIZE);
+
memset(buf, 0, PATH_BUF_SIZE);
if (path.size > 0 && path.size + 1 < PATH_BUF_SIZE)
memcpy(buf, path.values, path.size);
@@ -220,13 +226,11 @@ static void unix_prepare_path_(char *const buf,
kit_status_t kit_file_create_folder(kit_str_t const path) {
PREPARE_PATH_BUF_;
#if defined(_WIN32) && !defined(__CYGWIN__)
- if (CreateDirectoryW(buf, NULL))
- return KIT_OK;
+ return CreateDirectoryW(buf, NULL) ? KIT_OK
+ : KIT_ERROR_MKDIR_FAILED;
#else
- if (mkdir(buf, 0755) == 0)
- return KIT_OK;
+ return mkdir(buf, 0755) == 0 ? KIT_OK : KIT_ERROR_MKDIR_FAILED;
#endif
- return KIT_ERROR;
}
kit_status_t kit_file_create_folder_recursive(kit_str_t const path) {
@@ -234,7 +238,7 @@ kit_status_t kit_file_create_folder_recursive(kit_str_t const path) {
str_t const part = kit_path_take(path, i);
int const type = kit_path_type(part);
if (type == KIT_PATH_FILE)
- return KIT_ERROR;
+ return KIT_ERROR_FILE_ALREADY_EXISTS;
if (type == KIT_PATH_NONE) {
kit_status_t const s = kit_file_create_folder(part);
if (s != KIT_OK)
@@ -250,25 +254,19 @@ kit_status_t kit_file_create_folder_recursive(kit_str_t const path) {
kit_status_t kit_file_remove(kit_str_t const path) {
PREPARE_PATH_BUF_;
#if defined(_WIN32) && !defined(__CYGWIN__)
- if (DeleteFileW(buf))
- return KIT_OK;
+ return DeleteFileW(buf) ? KIT_OK : KIT_ERROR_UNLINK_FAILED;
#else
- if (unlink(buf) == 0)
- return KIT_OK;
+ return unlink(buf) == 0 ? KIT_OK : KIT_ERROR_UNLINK_FAILED;
#endif
- return KIT_ERROR;
}
kit_status_t kit_file_remove_folder(kit_str_t const path) {
PREPARE_PATH_BUF_;
#if defined(_WIN32) && !defined(__CYGWIN__)
- if (RemoveDirectoryW(buf))
- return KIT_OK;
+ return RemoveDirectoryW(buf) ? KIT_OK : KIT_ERROR_RMDIR_FAILED;
#else
- if (rmdir(buf) == 0)
- return KIT_OK;
+ return rmdir(buf) == 0 ? KIT_OK : KIT_ERROR_RMDIR_FAILED;
#endif
- return KIT_ERROR;
}
kit_status_t kit_file_remove_recursive(kit_str_t const path,
@@ -280,9 +278,13 @@ kit_status_t kit_file_remove_recursive(kit_str_t const path,
case KIT_PATH_FOLDER: {
kit_path_list_t list = kit_file_enum_folder(path, alloc);
- for (ptrdiff_t i = 0; i < list.size; i++) {
- str_t const s = { .size = list.values[i].size,
- .values = list.values[i].values };
+ if (list.status != KIT_OK) {
+ kit_path_list_destroy(list);
+ return list.status;
+ }
+ for (ptrdiff_t i = 0; i < list.files.size; i++) {
+ str_t const s = { .size = list.files.values[i].size,
+ .values = list.files.values[i].values };
kit_file_remove_recursive(s, alloc);
}
kit_path_list_destroy(list);
@@ -292,7 +294,7 @@ kit_status_t kit_file_remove_recursive(kit_str_t const path,
default:;
}
- return KIT_ERROR;
+ return KIT_ERROR_FILE_DO_NOT_EXISTS;
}
kit_path_type_t kit_path_type(kit_str_t const path) {
@@ -316,8 +318,12 @@ kit_path_type_t kit_path_type(kit_str_t const path) {
return KIT_PATH_NONE;
}
-ptrdiff_t kit_file_size(kit_str_t const path) {
+kit_file_size_result_t kit_file_size(kit_str_t const path) {
+ kit_file_size_result_t result;
+ memset(&result, 0, sizeof result);
+
PREPARE_PATH_BUF_;
+
#if defined(_WIN32) && !defined(__CYGWIN__)
HFILE f = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
@@ -325,26 +331,36 @@ ptrdiff_t kit_file_size(kit_str_t const path) {
DWORD high;
DWORD low = GetFileSize(f, &high);
CloseHandle(f);
- return (ptrdiff_t) ((((uint64_t) high) << 32) | (uint64_t) low);
+
+ result.status = KIT_OK;
+ result.size = (((uint64_t) high) << 32) | (uint64_t) low;
+ return result;
}
#else
struct stat info;
- if (stat(buf, &info) == 0)
- return info.st_size;
+ if (stat(buf, &info) == 0) {
+ result.status = KIT_OK;
+ result.size = (uint64_t) info.st_size;
+ return result;
+ }
#endif
- return KIT_FILE_SIZE_ERROR;
+
+ result.status = KIT_ERROR_FILE_DO_NOT_EXISTS;
+ return result;
}
kit_path_list_t kit_file_enum_folder(kit_str_t const path,
kit_allocator_t const alloc) {
PREPARE_PATH_BUF_;
- kit_path_list_t list;
- DA_INIT(list, 0, alloc);
+ kit_path_list_t result = { .status = KIT_OK };
+ DA_INIT(result.files, 0, alloc);
#if defined(_WIN32) && !defined(__CYGWIN__)
- if (path.size + 7 >= PATH_BUF_SIZE)
- return list;
+ if (path.size + 7 >= PATH_BUF_SIZE) {
+ result.status = KIT_ERROR_PATH_TOO_LONG;
+ return result;
+ }
buf[path.size + 4] = '\\';
buf[path.size + 5] = '*';
@@ -353,24 +369,27 @@ kit_path_list_t kit_file_enum_folder(kit_str_t const path,
HANDLE find = FindFirstFileW(buf, &data);
if (find == INVALID_HANDLE_VALUE)
- return list;
+ return result;
do {
ptrdiff_t const n = list.size;
DA_RESIZE(list, n + 1);
- if (list.size != n + 1)
+ if (result.files.size != n + 1) {
+ result.status = KIT_ERROR_BAD_ALLOC;
break;
+ }
ptrdiff_t size = 0;
while (size < MAX_PATH && data.cFileName[size] != L'\0') size++;
- DA_INIT(list.values[n], size, alloc);
- if (list.values[n].size != size) {
- DA_RESIZE(list, n);
+ DA_INIT(result.files.values[n], size, alloc);
+ if (result.files.values[n].size != size) {
+ DA_RESIZE(result.files, n);
+ result.status = KIT_ERROR_BAD_ALLOC;
break;
}
for (ptrdiff_t i = 0; i < size; i++)
- list.values[n].values[i] = data.cFileName[i];
+ result.files.values[n].values[i] = data.cFileName[i];
} while (FindNextFileW(find, &data) != 0);
FindClose(find);
@@ -378,7 +397,7 @@ kit_path_list_t kit_file_enum_folder(kit_str_t const path,
DIR *directory = opendir(buf);
if (directory == NULL)
- return list;
+ return result;
for (;;) {
struct dirent *entry = readdir(directory);
@@ -389,30 +408,33 @@ kit_path_list_t kit_file_enum_folder(kit_str_t const path,
if (entry->d_name[0] == '.')
continue;
- ptrdiff_t const n = list.size;
- DA_RESIZE(list, n + 1);
- if (list.size != n + 1)
+ ptrdiff_t const n = result.files.size;
+ DA_RESIZE(result.files, n + 1);
+ if (result.files.size != n + 1) {
+ result.status = KIT_ERROR_BAD_ALLOC;
break;
+ }
ptrdiff_t const size = (ptrdiff_t) strlen(entry->d_name);
- DA_INIT(list.values[n], size, alloc);
- if (list.values[n].size != size) {
- DA_RESIZE(list, n);
+ DA_INIT(result.files.values[n], size, alloc);
+ if (result.files.values[n].size != size) {
+ DA_RESIZE(result.files, n);
+ result.status = KIT_ERROR_BAD_ALLOC;
break;
}
if (size > 0)
- memcpy(list.values[n].values, entry->d_name, size);
+ memcpy(result.files.values[n].values, entry->d_name, size);
}
closedir(directory);
#endif
- return list;
+ return result;
}
void kit_path_list_destroy(kit_path_list_t list) {
- for (ptrdiff_t i = 0; i < list.size; i++)
- DA_DESTROY(list.values[i]);
- DA_DESTROY(list);
+ for (ptrdiff_t i = 0; i < list.files.size; i++)
+ DA_DESTROY(list.files.values[i]);
+ DA_DESTROY(list.files);
}
diff --git a/source/kit/file.h b/source/kit/file.h
index e85a076..32661df 100644
--- a/source/kit/file.h
+++ b/source/kit/file.h
@@ -49,9 +49,17 @@ kit_status_t kit_file_remove_recursive(kit_str_t path,
kit_path_type_t kit_path_type(kit_str_t path);
-ptrdiff_t kit_file_size(kit_str_t path);
+typedef struct {
+ kit_status_t status;
+ uint64_t size;
+} kit_file_size_result_t;
-typedef KIT_DA(kit_string_t) kit_path_list_t;
+kit_file_size_result_t kit_file_size(kit_str_t path);
+
+typedef struct {
+ kit_status_t status;
+ KIT_DA(kit_string_t) files;
+} kit_path_list_t;
kit_path_list_t kit_file_enum_folder(kit_str_t path,
kit_allocator_t alloc);
@@ -71,6 +79,7 @@ void kit_path_list_destroy(kit_path_list_t list);
# define file_remove_folder kit_file_remove_folder
# define file_remove_recursive kit_file_remove_recursive
# define path_type kit_path_type
+# define file_size_result_t kit_file_size_result_t
# define file_size kit_file_size
# define path_type_t kit_path_type_t
# define path_list_t kit_path_list_t
diff --git a/source/kit/input_buffer.c b/source/kit/input_buffer.c
index 208d0de..b9f280b 100644
--- a/source/kit/input_buffer.c
+++ b/source/kit/input_buffer.c
@@ -91,7 +91,7 @@ kit_ib_handle_t kit_ib_wrap(kit_is_handle_t upstream,
DA_INIT(buf.data, 0, alloc);
buf.internal = buf_init(upstream, alloc);
if (buf.internal == NULL)
- buf.status = KIT_ERROR;
+ buf.status = KIT_ERROR_BAD_ALLOC;
return buf;
}
@@ -105,7 +105,7 @@ kit_ib_handle_t kit_ib_read(kit_ib_handle_t buf, ptrdiff_t size) {
buf_adjust(buf.internal, buf.offset + size);
DA_INIT(next.data, size, buf_alloc(buf.internal));
if (next.data.size != size)
- next.status = KIT_ERROR;
+ next.status = KIT_ERROR_BAD_ALLOC;
kit_out_str_t destination = { .size = next.data.size,
.values = next.data.values };
ptrdiff_t n = buf_read(buf.internal, buf.offset, destination);
@@ -113,7 +113,7 @@ kit_ib_handle_t kit_ib_read(kit_ib_handle_t buf, ptrdiff_t size) {
next.internal = buf.internal;
DA_RESIZE(next.data, n);
if (next.data.size != n)
- next.status = KIT_ERROR;
+ next.status = KIT_ERROR_BAD_ALLOC;
}
return next;
}
diff --git a/source/kit/status.h b/source/kit/status.h
index c898e36..62e15d3 100644
--- a/source/kit/status.h
+++ b/source/kit/status.h
@@ -5,7 +5,16 @@
extern "C" {
#endif
-enum { KIT_OK, KIT_ERROR };
+enum {
+ KIT_OK,
+ KIT_ERROR_BAD_ALLOC,
+ KIT_ERROR_MKDIR_FAILED,
+ KIT_ERROR_RMDIR_FAILED,
+ KIT_ERROR_UNLINK_FAILED,
+ KIT_ERROR_FILE_ALREADY_EXISTS,
+ KIT_ERROR_FILE_DO_NOT_EXISTS,
+ KIT_ERROR_PATH_TOO_LONG
+};
typedef int kit_status_t;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 13:28:12 +0000