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Prevent automatic placeholder creation on open

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This commit is contained in:
Adubbz 2019-08-06 14:13:15 +10:00
parent f080f6793b
commit 6e5c0bde51
7 changed files with 55 additions and 24 deletions
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37
stratosphere/ncm/source/ncm_fs.cpp
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@ -15,12 +15,49 @@
*/
#include <map>
#include <fcntl.h>
#include <sys/iosupport.h>
#include "ncm_fs.hpp"
#include "ncm_path_utils.hpp"
namespace sts::ncm {
Result OpenFile(FILE** out, const char* path, u32 mode) {
bool has = false;
/* Manually check if the file already exists, so it doesn't get created automatically. */
R_TRY(HasFile(&has, path));
if (!has) {
return ResultFsPathNotFound;
}
const char* fopen_mode = "";
if (mode & FS_OPEN_APPEND) {
if (mode & FS_OPEN_READ) {
fopen_mode = "r+b";
} else if (mode & FS_OPEN_WRITE) {
fopen_mode = "w+b";
}
} else {
if (mode & FS_OPEN_READ) {
fopen_mode = "rb";
} else if (mode & FS_OPEN_WRITE) {
fopen_mode = "wb";
}
}
FILE* f = fopen(path, fopen_mode);
if (f == nullptr) {
return fsdevGetLastResult();
}
*out = f;
return ResultSuccess;
}
Result HasFile(bool* out, const char* path) {
struct stat st;