libmocha/source/devoptab/devoptab_fsa_diropen.cpp

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2022-06-11 17:58:39 +02:00
#include "devoptab_fs.h"
#include "logger.h"
#include <mutex>
DIR_ITER *
__fsa_diropen(struct _reent *r,
DIR_ITER *dirState,
const char *path) {
FSADirectoryHandle fd;
FSError status;
__fsa_dir_t *dir;
if (!dirState || !path) {
r->_errno = EINVAL;
return NULL;
}
char *fixedPath = __fsa_fixpath(r, path);
if (!fixedPath) {
return NULL;
}
dir = (__fsa_dir_t *) (dirState->dirStruct);
auto *deviceData = (FSADeviceData *) r->deviceData;
std::lock_guard<FastLockWrapper> lock(deviceData->mutex);
status = FSAOpenDir(deviceData->clientHandle, fixedPath, &fd);
if (status < 0) {
DEBUG_FUNCTION_LINE_ERR("FSAOpenDir(0x%08X, %s, 0x%08X) failed: %s", deviceData->clientHandle, fixedPath, &fd, FSAGetStatusStr(status));
free(fixedPath);
r->_errno = __fsa_translate_error(status);
return NULL;
}
free(fixedPath);
dir->magic = FS_DIRITER_MAGIC;
dir->fd = fd;
memset(&dir->entry_data, 0, sizeof(dir->entry_data));
return dirState;
}