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dbghelp: Improve error handling in SymSetContext(). 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-10-19 15:51:43 +02:00 committed by Alexandre Julliard
parent 76c4e691af
commit 8b4d5e6eef
1 changed files with 4 additions and 2 deletions
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6
dlls/dbghelp/dbghelp.c
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@ -609,6 +609,8 @@ BOOL WINAPI SymSetContext(HANDLE hProcess, PIMAGEHLP_STACK_FRAME StackFrame,
struct process* pcs = process_find_by_handle(hProcess); struct process* pcs = process_find_by_handle(hProcess);
if (!pcs) return FALSE; if (!pcs) return FALSE;
if (!module_find_by_addr(pcs, StackFrame->InstructionOffset, DMT_UNKNOWN))
return FALSE;
if (pcs->ctx_frame.ReturnOffset == StackFrame->ReturnOffset && if (pcs->ctx_frame.ReturnOffset == StackFrame->ReturnOffset &&
pcs->ctx_frame.FrameOffset == StackFrame->FrameOffset && pcs->ctx_frame.FrameOffset == StackFrame->FrameOffset &&
pcs->ctx_frame.StackOffset == StackFrame->StackOffset) pcs->ctx_frame.StackOffset == StackFrame->StackOffset)
@ -618,12 +620,12 @@ BOOL WINAPI SymSetContext(HANDLE hProcess, PIMAGEHLP_STACK_FRAME StackFrame,
pcs->ctx_frame.FrameOffset, pcs->ctx_frame.FrameOffset,
pcs->ctx_frame.StackOffset); pcs->ctx_frame.StackOffset);
pcs->ctx_frame.InstructionOffset = StackFrame->InstructionOffset; pcs->ctx_frame.InstructionOffset = StackFrame->InstructionOffset;
SetLastError(ERROR_ACCESS_DENIED); /* latest MSDN says ERROR_SUCCESS */ SetLastError(ERROR_SUCCESS);
return FALSE; return FALSE;
} }
pcs->ctx_frame = *StackFrame; pcs->ctx_frame = *StackFrame;
/* MSDN states that Context is not (no longer?) used */ /* Context is not (no longer?) used */
return TRUE; return TRUE;
} }