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Implement the length check.

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Henrik Rydgård
2026-04-14 12:55:29 -06:00
parent f7a7eeaf74
commit e892c4e446
1 changed files with 9 additions and 2 deletions
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Core/HLE/sceKernelInterrupt.cpp
+9 -2
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@@ -861,7 +861,14 @@ static int sysclib_sprintf_impl(u32 dst, int limit, u32 fmt, int paramOffset) {
}
}
VERBOSE_LOG(Log::sceKernel, "sysclib_sprintf result string has length %d, content:", (int)result.length());
const size_t retval = result.size();
// Implement the snprintf length check.
if (limit != 0 && result.length() >= limit) {
result.resize(limit - 1);
}
VERBOSE_LOG(Log::sceKernel, "sysclib_sprintf result string has length %d (retval: %d), content:", (int)result.length(), (int)retval);
VERBOSE_LOG(Log::sceKernel, "%s", result.c_str());
// Since this is a sprintf function and not an actual printf, we don't log to the Sprintf log.
// INFO_LOG(Log::Printf, "%s", result.c_str());
@@ -870,7 +877,7 @@ static int sysclib_sprintf_impl(u32 dst, int limit, u32 fmt, int paramOffset) {
return 0;
}
memcpy((char *)Memory::GetPointerUnchecked(dst), result.c_str(), (int)result.length() + 1);
return (int)result.length();
return (int)retval;
}
static int sysclib_sprintf(u32 dst, u32 fmt) {