我已经尝试过 strcat 和 strcat_s,但它们都崩溃了。有谁知道为什么会这样?我找不到问题。
Crash: "Unhandled exception at 0x58636D2A (msvcr110d.dll)"
_Dst 0x00ea6b30 "C:\\Users\\Ruben\\Documents\\School\\" char *
_SizeInBytes 260 unsigned int
_Src 0x0032ef64 "CKV" const char *
available 228 unsigned int
p 0x00ea6b50 "" char *
代码:
#include <Windows.h>
#include <strsafe.h>
extern "C"
{
char* GetFilesInFolders(LPCWSTR filedir, char* path)
{
char* files = "";
char DefChar = ' ';
char* Streepje = "-";
bool LastPoint = false;
WIN32_FIND_DATA ffd;
TCHAR szDir[MAX_PATH];
HANDLE hFind = INVALID_HANDLE_VALUE;
DWORD dwError = 0;
StringCchCopy(szDir, MAX_PATH, filedir);
hFind = FindFirstFile(szDir, &ffd);
if (INVALID_HANDLE_VALUE == hFind)
return "";
do
{
DWORD attributes = ffd.dwFileAttributes;
LPCWSTR nm = ffd.cFileName;
char name[260];
WideCharToMultiByte(CP_ACP,0,ffd.cFileName,-1, name,260,&DefChar, NULL);
for (int i = 0; i <= 260; i++)
{
if (name[i] == '.')
LastPoint = true;
else if (name[i] == ' ')
break;
}
if (LastPoint == true)
{
LastPoint = false;
continue;
}
if (attributes & FILE_ATTRIBUTE_HIDDEN)
{
continue;
}
else if (attributes & FILE_ATTRIBUTE_DIRECTORY)
{
char* newfiledir = "";
char* newpath = path;
char* add = "\\";
char* extra = "*";
strcat_s(newpath, sizeof(name), name);
strcat_s(newpath, sizeof(add), add);
puts(newpath);
strcpy_s(newfiledir, sizeof(newpath) + 1, newpath);
strcat_s(newfiledir, sizeof(extra) + 1, extra);
puts(newfiledir);
size_t origsize = strlen(newfiledir) + 1;
const size_t newsize = 100;
size_t convertedChars = 0;
wchar_t wcstring[newsize];
mbstowcs_s(&convertedChars, wcstring, origsize, newfiledir, _TRUNCATE);
LPCWSTR dir = wcstring;
GetFilesInFolders(dir, newpath);
}
else
{
char* file = path;
strcat_s(file, sizeof(name), name);
puts(file);
strcat_s(files, sizeof(file), file);
strcat_s(files, sizeof(Streepje), Streepje);
puts(files);
}
}
while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
return files;
}
}
int _tmain(int argc, _TCHAR* argv[])
{
char* path = "C:\\Users\\Ruben\\Documents\\School\\";
char* filedir = "C:\\Users\\Ruben\\Documents\\School\\*";
size_t origsize = strlen(filedir) + 1;
const size_t newsize = 100;
size_t convertedChars = 0;
wchar_t wcstring[newsize];
mbstowcs_s(&convertedChars, wcstring, origsize, filedir, _TRUNCATE);
LPCWSTR dir = wcstring;
char* files = GetFilesInFolders(dir, path);
return 0;
}
额外信息:我不想使用 boost 或字符串,我想将其保存为 unicode(默认)。