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fix(system/file): fix bugged recursion in CreateDirectory implementation

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This commit is contained in:
phaneron 2023-11-17 16:12:37 -05:00
parent 747cdf796f
commit 0ed54befe3
1 changed files with 30 additions and 27 deletions
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57
bc/system/file/win/Stacked.cpp
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@ -374,42 +374,45 @@ bool MakeAbsolutePath(FileParms* parms) {
}
bool CreateDirectory(FileParms* parms) {
constexpr size_t temp_size = 300;
auto path = parms->filename;
auto recursive = parms->flag != 0;
char temp[300] = {0};
auto p = path;
char temp_path[temp_size] = {0};
size_t count = 0;
String::Copy(temp_path, path, temp_size);
File::Path::ForceTrailingSeparator(temp_path, temp_size, '\\');
if (recursive) {
while (*p != '\0') {
if (*p == '\\' || *p == '/') {
count++;
int32_t len = p - path;
if (len == 0) {
len = 1;
}
String::Copy(temp, path, len);
temp[len] = '\0';
if (::GetFileAttributes(temp) == INVALID_FILE_ATTRIBUTES) {
if (!::CreateDirectory(temp, nullptr)) {
if (::GetLastError() != ERROR_ALREADY_EXISTS) {
return false;
}
}
}
}
p++;
auto p = temp_path;
if (isalpha(p[0]) && p[1] == ':') {
p += 2
}
}
if (count == 0) {
// No directories were made because there are no path separators.
// Make only one directory:
// Loop through path and call CreateDirectory on path elements
for (auto p = temp_path + 1; *p != '\0'; p++) {
if (*p == '\\') {
*p = 0;
String::Copy(temp, path, 300);
auto attributes = ::GetFileAttributes(temp_path);
// test path
if (attributes == INVALID_FILE_ATTRIBUTES) {
// path does not exist, create directory
if (!::CreateDirectory(temp_path, nullptr)) {
return false;
}
} else if ((attributes & FILE_ATTRIBUTE_DIRECTORY) == 0) {
// not a directory
return false;
}
*p = '\\';
}
}
} else {
// Create only the supplied directory.
if (::GetFileAttributes(temp) == INVALID_FILE_ATTRIBUTES) {
if (!::CreateDirectory(temp, nullptr)) {
if (::GetLastError() != ERROR_ALREADY_EXISTS) {