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better error message if CreateProcess fails

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This commit is contained in:
Martins Mozeiko
2025-04-07 10:42:54 -07:00
committed by Ryan Fleury
parent 0705ba0a96
commit 0c999d70dc
1 changed files with 7 additions and 1 deletions
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src/demon/win32/demon_core_win32.c
+7 -1
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@@ -1312,7 +1312,13 @@ dmn_ctrl_launch(DMN_CtrlCtx *ctx, OS_ProcessLaunchParams *params)
} }
else else
{ {
log_user_errorf("There was an error starting %S.", params->cmd_line.first->string); DWORD error = GetLastError();
LPWSTR message = 0;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL,SUBLANG_NEUTRAL), (LPWSTR)&message, 0, 0);
String8 message8 = message ? str8_from_16(scratch.arena, str16_cstring(message)) : str8_lit("unknown error");
LocalFree(message);
log_user_errorf("There was an error starting %S: %S", params->cmd_line.first->string, message8);
} }
} }
scratch_end(scratch); scratch_end(scratch);