ios_mcp: Unmount the sd card after loading a file

This commit is contained in:
Maschell 2022-02-26 18:36:39 +01:00
parent 8015a18f24
commit f6682e293e

View File

@ -117,46 +117,50 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
// Set filesize to 0 if unknown.
static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffset, void *buffer_out, int buffer_len, int pos) {
if (path == NULL) {
if (path == NULL || (filesize > 0 && (pos > filesize))) {
return 0;
}
char filepath[256];
memset(filepath, 0, sizeof(filepath));
strncpy(filepath, path, sizeof(filepath) - 1);
char mountpath[] = "/vol/storage_iosu_homebrew";
if (target == LOAD_FILE_TARGET_SD_CARD) {
char mountpath[] = "/vol/storage_iosu_homebrew";
int fsa_h = svcOpen("/dev/fsa", 0);
FSA_Mount(fsa_h, "/dev/sdcard01", mountpath, 2, NULL, 0);
int fsa_h = svcOpen("/dev/fsa", 0);
int mount_res = FSA_Mount(fsa_h, "/dev/sdcard01", mountpath, 2, NULL, 0);
svcClose(fsa_h);
strncpy(filepath, mountpath, sizeof(filepath) - 1);
strncat(filepath, "/", (sizeof(filepath) - 1) - strlen(filepath));
strncat(filepath, path, (sizeof(filepath) - 1) - strlen(filepath));
}
DEBUG_FUNCTION_LINE("Load custom path \"%s\"\n", filepath);
if (filesize > 0 && (pos > filesize)) {
return 0;
}
/* TODO: If this fails, try last argument as 1 */
int bytesRead = 0;
int result = MCP_DoLoadFile(filepath, NULL, buffer_out, buffer_len, pos + fileoffset, &bytesRead, 0);
//log("MCP_DoLoadFile returned %d, bytesRead = %d pos %d \n", result, bytesRead, pos + fileoffset);
if (result >= 0) {
if (!bytesRead) {
return 0;
}
if (result >= 0) {
if (bytesRead <= 0) {
result = 0;
} else {
if (filesize > 0 && (bytesRead + pos > filesize)) {
return filesize - pos;
result = filesize - pos;
} else {
result = bytesRead;
}
return bytesRead;
}
}
if (result < 0x400000 && target == LOAD_FILE_TARGET_SD_CARD) {
int fsa_h = svcOpen("/dev/fsa", 0);
int unmount_res = FSA_Unmount(fsa_h, mountpath, 0x80000002);
svcClose(fsa_h);
}
return result;
}