libmocha/source/devoptab/devoptab_fsa_dirnext.cpp
2024-06-03 14:36:43 +02:00

40 lines
1.2 KiB
C++

#include "devoptab_fsa.h"
#include "logger.h"
#include <cstdio>
#include <mutex>
int __fsa_dirnext(struct _reent *r,
DIR_ITER *dirState,
char *filename,
struct stat *filestat) {
FSError status;
if (!dirState || !filename || !filestat) {
r->_errno = EINVAL;
return -1;
}
auto *deviceData = (FSADeviceData *) r->deviceData;
auto *dir = (__fsa_dir_t *) (dirState->dirStruct);
std::lock_guard<MutexWrapper> lock(dir->mutex);
memset(&dir->entry_data, 0, sizeof(dir->entry_data));
status = FSAReadDir(deviceData->clientHandle, dir->fd, &dir->entry_data);
if (status < 0) {
if (status != FS_ERROR_END_OF_DIR) {
DEBUG_FUNCTION_LINE_ERR("FSAReadDir(0x%08X, 0x%08X, 0x%08X) (%s) failed: %s",
deviceData->clientHandle, dir->fd, &dir->entry_data, dir->name, FSAGetStatusStr(status));
}
r->_errno = __fsa_translate_error(status);
return -1;
}
__fsa_translate_stat(&dir->entry_data.info, filestat);
if (snprintf(filename, NAME_MAX, "%s", dir->entry_data.name) >= NAME_MAX) {
DEBUG_FUNCTION_LINE_ERR("snprintf filename result was truncated\n");
}
return 0;
}