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Implement GetComputerNameW

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This commit is contained in:
Luke Street 2025-09-28 19:52:15 -06:00
parent 1a4944e619
commit 1c35da4801
1 changed files with 38 additions and 2 deletions
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40
dll/kernel32.cpp
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@ -2882,10 +2882,45 @@ namespace kernel32 {
int WIN_FUNC GetComputerNameA(char *lpBuffer, unsigned int *nSize) { int WIN_FUNC GetComputerNameA(char *lpBuffer, unsigned int *nSize) {
DEBUG_LOG("GetComputerNameA\n"); DEBUG_LOG("GetComputerNameA\n");
if (*nSize < 9) if (!nSize || !lpBuffer) {
if (nSize) {
*nSize = 0;
}
wibo::lastError = ERROR_INVALID_PARAMETER;
return 0; return 0;
}
constexpr unsigned int required = 9; // "COMPNAME" + null terminator
if (*nSize < required) {
*nSize = required;
wibo::lastError = ERROR_BUFFER_OVERFLOW;
return 0;
}
strcpy(lpBuffer, "COMPNAME"); strcpy(lpBuffer, "COMPNAME");
*nSize = 8; *nSize = required - 1;
wibo::lastError = ERROR_SUCCESS;
return 1;
}
int WIN_FUNC GetComputerNameW(uint16_t *lpBuffer, unsigned int *nSize) {
DEBUG_LOG("GetComputerNameW\n");
if (!nSize || !lpBuffer) {
if (nSize) {
*nSize = 0;
}
wibo::lastError = ERROR_INVALID_PARAMETER;
return 0;
}
constexpr uint16_t computerName[] = {'C', 'O', 'M', 'P', 'N', 'A', 'M', 'E', 0};
constexpr unsigned int nameLength = 8;
constexpr unsigned int required = nameLength + 1;
if (*nSize < required) {
*nSize = required;
wibo::lastError = ERROR_BUFFER_OVERFLOW;
return 0;
}
wstrncpy(lpBuffer, computerName, required);
*nSize = nameLength;
wibo::lastError = ERROR_SUCCESS;
return 1; return 1;
} }
@ -3480,6 +3515,7 @@ static void *resolveByName(const char *name) {
if (strcmp(name, "SetHandleCount") == 0) return (void *) kernel32::SetHandleCount; if (strcmp(name, "SetHandleCount") == 0) return (void *) kernel32::SetHandleCount;
if (strcmp(name, "FormatMessageA") == 0) return (void *) kernel32::FormatMessageA; if (strcmp(name, "FormatMessageA") == 0) return (void *) kernel32::FormatMessageA;
if (strcmp(name, "GetComputerNameA") == 0) return (void *) kernel32::GetComputerNameA; if (strcmp(name, "GetComputerNameA") == 0) return (void *) kernel32::GetComputerNameA;
if (strcmp(name, "GetComputerNameW") == 0) return (void *) kernel32::GetComputerNameW;
if (strcmp(name, "EncodePointer") == 0) return (void *) kernel32::EncodePointer; if (strcmp(name, "EncodePointer") == 0) return (void *) kernel32::EncodePointer;
if (strcmp(name, "DecodePointer") == 0) return (void *) kernel32::DecodePointer; if (strcmp(name, "DecodePointer") == 0) return (void *) kernel32::DecodePointer;
if (strcmp(name, "SetDllDirectoryA") == 0) return (void *) kernel32::SetDllDirectoryA; if (strcmp(name, "SetDllDirectoryA") == 0) return (void *) kernel32::SetDllDirectoryA;