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Check for write permissions for some key files (#1972)

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* check if an nds save file can be opened for writing

also add the ability to open a file in append mode

* fix multi-instance saves

also move the check for file writability into a separate function (probably uneeded?)

* implement check for gba roms

* move rom load error messages into the functions

also finish gba slot (oops)

* improve error string

* check write perms before saving path settings

* fix memory leak

* check for writability of firmware/nand/sds

* add secondary checks for nand/firmware

* add check for config file being writable

* Return the file write error as a QString to avoid the invalid char*
causing a garbled error message.

Qt wants it as QString either way.
This commit is contained in:
Jaklyy
2024-02-07 17:04:36 -05:00
committed by GitHub
parent 71e1ba8c40
commit 5ffa642980
10 changed files with 199 additions and 50 deletions
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23
src/frontend/qt_sdl/Config.cpp
View File

@ -378,7 +378,7 @@ ConfigEntry ConfigFile[] =
};
void LoadFile(int inst)
bool LoadFile(int inst, int actualinst)
{
Platform::FileHandle* f;
if (inst > 0)
@ -386,11 +386,17 @@ void LoadFile(int inst)
char name[100] = {0};
snprintf(name, 99, kUniqueConfigFile, inst+1);
f = Platform::OpenLocalFile(name, Platform::FileMode::ReadText);
if (!Platform::CheckLocalFileWritable(name)) return false;
}
else
{
f = Platform::OpenLocalFile(kConfigFile, Platform::FileMode::ReadText);
if (!f) return;
if (actualinst == 0 && !Platform::CheckLocalFileWritable(kConfigFile)) return false;
}
if (!f) return true;
char linebuf[1024];
char entryname[32];
@ -425,9 +431,10 @@ void LoadFile(int inst)
}
CloseFile(f);
return true;
}
void Load()
bool Load()
{
for (ConfigEntry* entry = &ConfigFile[0]; entry->Value; entry++)
@ -440,12 +447,14 @@ void Load()
case 3: *(int64_t*)entry->Value = std::get<int64_t>(entry->Default); break;
}
}
LoadFile(0);
int inst = Platform::InstanceID();
bool ret = LoadFile(0, inst);
if (inst > 0)
LoadFile(inst);
ret = LoadFile(inst, inst);
return ret;
}
void Save()