SymGetLinePrevW64 function (dbghelp.h)
Retrieves the line information for the previous source line.
Syntax
BOOL IMAGEAPI SymGetLinePrevW64(
[in] HANDLE hProcess,
[in, out] PIMAGEHLP_LINEW64 Line
);
Parameters
[in] hProcess
A handle to the process that was originally passed to the SymInitialize function.
[in, out] Line
A pointer to an IMAGEHLP_LINE64 structure.
Return value
If the function succeeds, the return value is TRUE.
If the function fails, the return value is FALSE. To retrieve extended error information, call GetLastError.
Remarks
The SymGetLinePrev64 function requires that the IMAGEHLP_LINE64 structure have valid data, presumably obtained from a call to the SymGetLineFromAddr64 or SymGetLineFromName64 function. This structure is filled with the line information for the previous line in sequence.
This function returns a pointer to a buffer that may be reused by another function. Therefore, be sure to copy the data returned to another buffer immediately.
All DbgHelp functions, such as this one, are single threaded. Therefore, calls from more than one thread to this function will likely result in unexpected behavior or memory corruption. To avoid this, you must synchronize all concurrent calls from more than one thread to this function.
To call the Unicode version of this function, define DBGHELP_TRANSLATE_TCHAR. SymGetLinePrevW64 is defined as follows in DbgHelp.h.
BOOL
IMAGEAPI
SymGetLinePrevW64(
__in HANDLE hProcess,
__inout PIMAGEHLP_LINEW64 Line
);
#ifdef DBGHELP_TRANSLATE_TCHAR
#define SymGetLinePrev64 SymGetLinePrevW64
#endif
This function supersedes the SymGetLinePrev function. For more information, see Updated Platform Support. SymGetLinePrev is defined as follows in DbgHelp.h.
#if !defined(_IMAGEHLP_SOURCE_) && defined(_IMAGEHLP64)
#define SymGetLinePrev SymGetLinePrev64
#else
BOOL
IMAGEAPI
SymGetLinePrev(
__in HANDLE hProcess,
__inout PIMAGEHLP_LINE Line
);
BOOL
IMAGEAPI
SymGetLinePrevW(
__in HANDLE hProcess,
__inout PIMAGEHLP_LINEW Line
);
#endif
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | dbghelp.h |
| Library | Dbghelp.lib |
| DLL | Dbghelp.dll |
| Redistributable | DbgHelp.dll 5.1 or later |