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Is there any way to log off a user?
I need to log off the current user, so the system shows the logonscreen.
I'm working on Win2k/XP.
Just a hint would be great, as I can't find any way to do it... 
- Anders
Money talks, but all mine ever says is "Goodbye!"
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ExitWindowsEx(EWX_LOGOFF,0);
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Oh yeah. On NT, make sure to enable the SE_SHUTDOWN_NAME privilege 1st.
e.g.
HANDLE hToken;
VERIFY(::OpenProcessToken(::GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,&hToken));
TOKEN_PRIVILEGES tkp;
VERIFY(::LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid));
tkp.PrivilegeCount=1;
tkp.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
VERIFY(::AdjustTokenPrivileges(hToken,FALSE,&tkp,0,0,0));
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Thanks a lot 
- Anders
Money talks, but all mine ever says is "Goodbye!"
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Try this:
ExitWindowsEx(EWX_LOGOFF, 0);
regards
modified 12-Sep-18 21:01pm.
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Thanks
- Anders
Money talks, but all mine ever says is "Goodbye!"
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Hi,
I like to use ::SetTimer() with a callback function, rather than having a CWnd::OnTimer() handler. Is it still synchronized with my other window message handlers... all in one thread context etc, no overlapping calls?
I use ::SetTimer() in a class not derived from CWnd, that's why I ask. Hmm, I think it is synchronized, so I don't need to use mutex or a critical section. But I want to go sure!
MSDN says: "When you specify a TimerProc callback function, the default window procedure calls the callback function when it processes WM_TIMER". Since my class with the timer is not derived from CWnd, how does the timer callback work?
Thanks, Moak
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It also says that "the default window procedure calls the callback function when it processes WM_TIMER. Therefore, you need to dispatch messages in the calling thread, even when you use TimerProc instead of processing WM_TIMER."
So the timer callback is called as part of the work of the default window procedure. Hence you must have a/be processing your message queue (no console apps) and it is synchronous.
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Thanks Scott!
I also found this timer arcticle[^] describing: "After the timer is created, it sends WM_TIMER messages to the window message queue, or if no window was specified, to the application queue."
So... as long as I have a message pump, I should be lucky. Good news
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Is anyone who knows how to create a phonebook entry (win98) without calling DialogBox (wizzard).
Please help 
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One solution is CFormView.
Kuphryn
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When I use SafeArrayCreateVector(...) in order to create a safe array, should I free it using SafeArrayDestroy(...)?
Thank you in advance.
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Hello,
I'd like to know where to find memory functions (in order to know free memory in the OS, memory occupied by my app...).
I've searched the MSDN but imagine the results when I've written down "MEMORY"...
Thank you in advance.
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GlobalMemoryStatus() or GlobalMemoryStatusEx() on Win2K+.
/ravi
Let's put "civil" back in "civilization"
http://www.ravib.com
ravib@ravib.com
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Hi,
I added a .h file and a .cpp file to my project to contain one function I needed. Somewhere along the line, I decided I needed it to be a class function instead, so I moved the declaration to the class header file and defined it in the class source file. Then I tried to delete the .h file and .cpp file with the delete key, and that seemed to work. However, the next time I built the code, a new folder showed up in the File View called External Dependencies, and it contained the .h file I deleted.
How do I get rid of that file, or just get everything back to how it was before I tried to do the deleting?
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You are including the header file somewhere. Delete the #include statement from your source.
Pavel
Sonork 100.15206
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Yes, it took me awhile, but I thought of that too, and I commented out a line with an include statement I found, but the External Dependencies folder wouldn't go away. After reading your post, I decided to take another look.
I had some other errors, from being in the middle of defining another function, and when I commented that function out, I didn't get anymore errors, and the External Dependencies folder disappeared.
Thanks.
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Can anyone explain me how to use C functions in Visual C++?
Is there something special that I need to know?
Thanx,
Kind regards,
Geert
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If you want to use C code or functions inside your C++ source files use the following:
extern "C"
{
//C code or function calls here
}
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Your problem is not clear from the posted message. You can use c functions from Visual C++(Visual C++ is a tool built on c++ and c++ is backward compatible with c ).
If you have problems with using c functions from a library(link error most probably), that may be due to the name mangling brought about by the c++ compiler. You can ask the compiler to turn off name mangling for the library functions by doing the following :
extern "C"
{
#include "yourheader.h"
}
This asks the compiler not to mangle the names in the header file.
HTH
~ Vimal
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I want to use some functions that are declared in this header file(matrix.h), but when I want to compile my program, it gives the following error.
error LNK2001: unresolved external symbol _mxCreateDoubleMatrix
error LNK2001: unresolved external symbol _mxGetPr
Do you know what's wrong?
Kind regards,
Geert
/*
* @(#)matrix.h generated by: makeheader Sun Feb 11 00:59:45 2001
*
* built from: ../include/copyright.h
* ../include/mxassert.h
* alloccbk.c
* alloclst.c
* array.c
* array2.c
* arraycbk.c
* arraycpy.c
* assignmt.c
* bytestr.c
* catenate.c
* cellindex.c
* checkdim.c
* conversions.c
* end.c
* errmsg.c
* error.c
* errtable.c
* fcnreg.c
* fmxapi.c
* funhdl.c
* ieee_wrap.c
* indexcpy.c
* iocbk.c
* marshal.c
* mcat.c
* mxapiv4.c
* mxequal.c
* mxutil.c
* nargchk.c
* numconv.c
* opaque.c
* permute.c
* populate.c
* referenc.c
* resize.c
* rndcolon.c
* scopemgr.c
* strconv.c
* transpose.c
* txtcmp.c
* undoc.c
* warning.c
* wrnstate.c
* modver/modver.c
* mxdbg.h
*/
#ifndef matrix_h
#define matrix_h
/* $Revision: 1.4 $ */
/*
* Copyright (c) 1984-2001 The MathWorks, Inc.
* All Rights Reserved.
*/
/* $Revision: 1.5 $ */
/*
mxAssert(int expression, char *error_message)
---------------------------------------------
Similar to ANSI C's assert() macro, the mxAssert macro checks the
value of an assertion, continuing execution only if the assertion
holds. If 'expression' evaluates to be true, then the mxAssert does
nothing. If, however, 'expression' is false, then mxAssert prints an
error message to the MATLAB Command Window, consisting of the failed
assertion's expression, the file name and line number where the failed
assertion occurred, and the string 'error_message'. 'error_message'
allows the user to specify a more understandable description of why
the assertion failed. (Use an empty string if no extra description
should follow the failed assertion message.) After a failed
assertion, control returns to the MATLAB command line.
mxAssertS, (the S for Simple), takes the same inputs as mxAssert. It
does not print the text of the failed assertion, only the file and
line where the assertion failed, and the explanatory error_message.
Note that script MEX will turn off these assertions when building
optimized MEX-functions, so they should be used for debugging
purposes only.
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef MATLAB_MEX_FILE
# ifndef NDEBUG
extern void mexPrintAssertion(
const char *test,
const char *fname,
int linenum,
const char *message);
# define mxAssert(test, message) ( (test) ? (void) 0 : mexPrintAssertion(": " #test ",", __FILE__, __LINE__, message))
# define mxAssertS(test, message) ( (test) ? (void) 0 : mexPrintAssertion("", __FILE__, __LINE__, message))
# else
# define mxAssert(test, message) ((void) 0)
# define mxAssertS(test, message) ((void) 0)
# endif
#else
# include <assert.h>
# define mxAssert(test, message) assert(test)
# define mxAssertS(test, message) assert(test)
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h> /* size_t */
/*
* allocate memory, notifying registered listener
*/
extern void *mxMalloc(
size_t n /* number of bytes */
);
/*
* allocate cleared memory, notifying registered listener.
*/
extern void *mxCalloc(
size_t n, /* number of objects */
size_t size /* size of objects */
);
/*
* free memory, notifying registered listener.
*/
extern void mxFree(void *ptr); /* pointer to memory to be freed */
/*
* reallocate memory, notifying registered listener.
*/
extern void *mxRealloc(void *ptr, size_t size);
typedef struct mxArray_tag mxArray;
#include "tmwtypes.h"
/*typedef struct mxArray_tag mxArray;*/
typedef void(*mxFunctionPtr)(int nlhs, mxArray *plhs[], int nrhs, mxArray *prhs[]);
#define mxMAXNAM 32 /* maximum name length */
typedef uint16_T mxChar;
typedef enum {
mxUNKNOWN_CLASS = 0,
mxCELL_CLASS,
mxSTRUCT_CLASS,
mxOBJECT_CLASS,
mxCHAR_CLASS,
mxSPARSE_CLASS,
mxDOUBLE_CLASS,
mxSINGLE_CLASS,
mxINT8_CLASS,
mxUINT8_CLASS,
mxINT16_CLASS,
mxUINT16_CLASS,
mxINT32_CLASS,
mxUINT32_CLASS,
mxINT64_CLASS, /* place holder - future enhancements */
mxUINT64_CLASS, /* place holder - future enhancements */
mxFUNCTION_CLASS,
mxOPAQUE_CLASS
} mxClassID;
typedef enum {
mxREAL,
mxCOMPLEX
} mxComplexity;
#if defined(ARRAY_ACCESS_INLINING) && !defined(MATLAB_COMPILER_GENERATED_CODE)
/*
* This modified version of the mxArray structure is needed to support
* the ARRAY_ACCESS_INLINING macros. NOTE: The elements in this structure
* should not be accessed directly. Inlined MEX-files are NOT guaranteed
* to be portable from one release of MATLAB to another.
*/
struct mxArray_tag {
char name[mxMAXNAM];
int reserved1[2];
void *reserved2;
int number_of_dims;
int reserved3[4];
union {
struct {
void *pdata;
void *pimag_data;
void *reserved4;
int reserved5[3];
} number_array;
} data;
};
#endif /* ARRAY_ACCESS_INLINING */
/*
* Return the class (catergory) of data that the array holds.
*/
extern mxClassID mxGetClassID(const mxArray *pa);
/*
* Get pointer to array name.
*/
extern const char *mxGetName(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetName(pa) ((const char *)((pa)->name))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set array name. This routine copies the string pointed to by s
* into the mxMAXNAM length character name field.
*/
extern void mxSetName(
mxArray *pa, /* pointer to array */
const char *s /* string to copy into name */
);
/*
* Get pointer to data
*/
extern void *mxGetData(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetData(pa) ((pa)->data.number_array.pdata)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set pointer to data
*/
extern void mxSetData(
mxArray *pa, /* pointer to array */
void *newdata /* pointer to data */
);
/*
* Get real data pointer for numeric array
*/
extern double *mxGetPr(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetPr(pa) ((double *)mxGetData(pa))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set real data pointer for numeric array
*/
extern void mxSetPr(
mxArray *pa, /* pointer to array */
double *pr /* real data array pointer */
);
/*
* Determine whether the specified array contains numeric (as opposed
* to cell or struct) data.
*/
extern bool mxIsNumeric(const mxArray *pa);
/*
* Determine whether the given array is a cell array.
*/
extern bool mxIsCell(const mxArray *pa);
/*
* Determine whether the given array contains character data.
*/
extern bool mxIsChar(const mxArray *pa);
/*
* Determine whether the given array is a sparse (as opposed to full).
*/
extern bool mxIsSparse(const mxArray *pa);
/*
* Determine whether the given array is a structure array.
*/
extern bool mxIsStruct(const mxArray *pa);
/*
* Determine whether the given array is an opaque array.
*/
extern bool mxIsOpaque(const mxArray *pa);
/*
* Returns true if specified array is a function object.
*/
extern bool mxIsFunctionHandle(const mxArray *pa);
/*
* Is array user defined object
*/
extern bool mxIsObject(
const mxArray *pa /* pointer to array */
);
/*
* Get imaginary data pointer for numeric array
*/
extern void *mxGetImagData(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetImagData(pa) ((pa)->data.number_array.pimag_data)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set imaginary data pointer for numeric array
*/
extern void mxSetImagData(
mxArray *pa, /* pointer to array */
void *newdata /* imaginary data array pointer */
);
/*
* Get imaginary data pointer for numeric array
*/
extern double *mxGetPi(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetPi(pa) ((double *)mxGetImagData(pa))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set imaginary data pointer for numeric array
*/
extern void mxSetPi(
mxArray *pa, /* pointer to array */
double *pi /* imaginary data array pointer */
);
/*
* Determine whether the given array contains complex data.
*/
extern bool mxIsComplex(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* double-precision floating-point numbers.
*/
extern bool mxIsDouble(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* single-precision floating-point numbers.
*/
extern bool mxIsSingle(const mxArray *pa);
/*
* Determine whether the given array's logical flag is on.
*/
extern bool mxIsLogical(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 8-bit integers.
*/
extern bool mxIsInt8(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 8-bit integers.
*/
extern bool mxIsUint8(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 16-bit integers.
*/
extern bool mxIsInt16(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 16-bit integers.
*/
extern bool mxIsUint16(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 32-bit integers.
*/
extern bool mxIsInt32(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 32-bit integers.
*/
extern bool mxIsUint32(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 64-bit integers.
*/
extern bool mxIsInt64(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 64-bit integers.
*/
extern bool mxIsUint64(const mxArray *pa);
/*
* Get 8 bits of user data stored in the mxArray header. NOTE: This state
* of these bits are not guaranteed to be preserved after API function
* calls.
*/
extern int mxGetUserBits(
const mxArray *pa /* pointer to array */
);
/*
* Set 8 bits of user data stored in the mxArray header. NOTE: This state
* of these bits are not guaranteed to be preserved after API function
* calls.
*/
extern void mxSetUserBits(
mxArray *pa, /* pointer to array */
int value
);
#ifdef __WATCOMC__
#ifndef __cplusplus
#pragma aux mxGetScalar value [8087];
#endif
#endif
/*
* Get the real component of the specified array's first data element.
*/
extern double mxGetScalar(const mxArray *pa);
/*
* Specify that the data in an array is to be treated as Boolean data.
*/
extern void mxSetLogical(mxArray *pa);
/*
* Specify that the data in an array is to be treated as numerical
* (as opposed to Boolean) data.
*/
extern void mxClearLogical(mxArray *pa);
/*
* Is the isFromGlobalWorkspace bit set?
*/
extern bool mxIsFromGlobalWS(const mxArray *pa);
/*
* Set the isFromGlobalWorkspace bit.
*/
extern void mxSetFromGlobalWS(mxArray *pa, bool global);
/*
* Get number of dimensions in array
*/
extern int mxGetNumberOfDimensions(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetNumberOfDimensions(pa) ((pa)->number_of_dims)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Get pointer to dimension array
*/
extern const int *mxGetDimensions(
const mxArray *pa /* pointer to array */
);
/*
* Get row dimension
*/
extern int mxGetM(
const mxArray *pa /* pointer to array */
);
/*
* Set row dimension
*/
extern void mxSetM(
mxArray *pa, /* pointer to array */
int m /* row dimension */
);
/*
* Get column dimension
*/
extern int mxGetN(
const mxArray *pa /* pointer to array */
);
/*
* Is array empty
*/
extern bool mxIsEmpty(
const mxArray *pa /* pointer to array */
);
/*
* Get row data pointer for sparse numeric array
*/
extern int *mxGetIr(
const mxArray *pa /* pointer to array */
);
/*
* Set row data pointer for numeric array
*/
extern void mxSetIr(
mxArray *pa, /* pointer to array */
int *newir /* row data array pointer */
);
/*
* Get column data pointer for sparse numeric array
*/
extern int *mxGetJc(
const mxArray *pa /* pointer to array */
);
/*
* Set column data pointer for numeric array
*/
extern void mxSetJc(
mxArray *pa, /* pointer to array */
int *newjc /* column data array pointer */
);
/*
* Get maximum nonzero elements for sparse numeric array
*/
extern int mxGetNzmax(
const mxArray *pa /* pointer to array */
);
/*
* Set maximum nonzero elements for numeric array
*/
extern void mxSetNzmax(
mxArray *pa, /* pointer to array */
int nzmax /* maximum nonzero elements */
);
/*
* Get number of elements in array
*/
extern int mxGetNumberOfElements(
const mxArray *pa /* pointer to array */
);
/*
* Get array data element size
*/
extern int mxGetElementSize(const mxArray *pa);
/*
* Return the offset (in number of elements) from the beginning of
* the array to a given subscript.
*/
extern int mxCalcSingleSubscript(const mxArray *pa, int nsubs, const int *subs);
/*
* Get number of structure fields in array
*/
extern int mxGetNumberOfFields(
const mxArray *pa /* pointer to array */
);
/*
* Get a pointer to the specified cell element.
*/
extern mxArray *mxGetCell(const mxArray *pa, int i);
/*
* Set an element in a cell array to the specified value.
*/
extern void mxSetCell(mxArray *pa, int i, mxArray *value);
/*
* Get the index to the named field.
*/
extern int mxGetFieldNumber(const mxArray *pa, const char *name);
/*
* Return a pointer to the contents of the named field for
* the ith element (zero based).
*/
extern mxArray *mxGetFieldByNumber(const mxArray *pa, int i, int fieldnum);
/*
* Set pa[i][fieldnum] = value
*/
extern void mxSetFieldByNumber(mxArray *pa, int i, int fieldnum, mxArray *value);
/*
* Return a pointer to the contents of the named field for the ith
* element (zero based). Returns NULL on no such field or if the
* field itself is NULL
*/
extern mxArray *mxGetField(const mxArray *pa, int i, const char *fieldname);
/*
* Set pa[i]->fieldname = value
*/
extern void mxSetField(mxArray *pa, int i, const char *fieldname, mxArray *value);
/*
* Return pointer to the nth field name
*/
extern const char *mxGetFieldNameByNumber(const mxArray *pa, int n);
/*
* Return the name of an array's class.
*/
extern const char *mxGetClassName(const mxArray *pa);
/*
* Determine whether an array is a member of the specified class.
*/
extern bool mxIsClass(const mxArray *pa, const char *name);
#include <stdlib.h>
/*
* Create a numeric matrix and initialize all its data elements to 0.
*/
extern mxArray *mxCreateNumericMatrix(
int m,
int n,
mxClassID classid,
int cmplx_flag
);
/*
* Set column dimension
*/
extern void mxSetN(mxArray *pa, int n);
/*
* Set dimension array and number of dimensions. Returns 0 on success and 1
* if there was not enough memory available to reallocate the dimensions array.
*/
extern int mxSetDimensions(mxArray *pa, const int *size, int ndims);
/*
* mxArray destructor
*/
extern void mxDestroyArray(mxArray *pa);
/*
* Create a numeric array and initialize all its data elements to 0.
*/
extern mxArray *mxCreateNumericArray(int ndim, const int *dims, mxClassID classid, mxComplexity flag);
/*
* Create a two-dimensional array to hold double-precision
* floating-point data; initialize each data element to 0.
*/
extern mxArray *mxCreateDoubleMatrix(int m, int n, mxComplexity flag);
/*
* Create a scalar double-precision array initialized to the
* value specified
*/
extern mxArray *mxCreateScalarDouble(double value);
/*
* Create a 2-Dimensional sparse array.
*/
extern mxArray *mxCreateSparse(int m, int n, int nzmax, mxComplexity flag);
/*
* Copies characters from a MATLAB array to a char array
* nChars is the number of bytes in the output buffer
*/
extern void mxGetNChars(const mxArray *pa, char *buf, int nChars);
/*
* Converts a string array to a C-style string.
*/
extern int mxGetString(const mxArray *pa, char *buf, int buflen);
/*
* Create a NULL terminated C string from an mxArray of type mxCHAR_CLASS
* Supports multibyte character sets. The resulting string must be freed
* with mxFree. Returns NULL on out of memory or non-character arrays.
*/
extern char *mxArrayToString(const mxArray *pa);
/*
* Create a 1-by-n string array initialized to str.
*/
extern mxArray *mxCreateStringFromNChars(const char *str, int n);
/*
* Create a 1-by-n string array initialized to null terminated string
* where n is the length of the string.
*/
extern mxArray *mxCreateString(const char *str);
/*
* Create an N-Dimensional array to hold string data;
* initialize all elements to 0.
*/
extern mxArray *mxCreateCharArray(int ndim, const int *dims);
/*
* Create a string array initialized to the strings in str.
*/
extern mxArray *mxCreateCharMatrixFromStrings(int m, const char **str);
/*
* Create a 2-Dimensional cell array, with each cell initialized
* to NULL.
*/
extern mxArray *mxCreateCellMatrix(int m, int n);
/*
* Create an N-Dimensional cell array, with each cell initialized
* to NULL.
*/
extern mxArray *mxCreateCellArray(int ndim, const int *dims);
/*
* Create a 2-Dimensional structure array having the specified fields;
* initialize all values to NULL.
*/
extern mxArray *mxCreateStructMatrix(int m, int n, int nfields, const char **fieldnames);
/*
* Create an N-Dimensional structure array having the specified fields;
* initialize all values to NULL.
*/
extern mxArray *mxCreateStructArray(int ndim, const int *dims, int nfields,
const char **fieldnames);
/*
* Make a deep copy of an array, return a pointer to the copy.
*/
extern mxArray *mxDuplicateArray(const mxArray *in);
/*
* Set classname of an unvalidated object array. It is illegal to
* call this function on a previously validated object array.
* Return 0 for success, 1 for failure.
*/
extern int mxSetClassName(mxArray *pa, const char *classname);
/*
* Add a field to a structure array. Returns field number on success or -1
* if inputs are invalid or an out of memory condition occurs.
*/
extern int mxAddField(mxArray *pa, const char *fieldname);
/*
* Remove a field from a structure array. Does nothing if no such field exists.
* Does not destroy the field itself.
*/
extern void mxRemoveField(mxArray *pa, int field);
/*
* Set an element in a cell array to a copy of the specified value.
*/
extern void mxSetCopyInCell(mxArray *pa, int i, mxArray *value);
#include <stdlib.h>
#include <stdlib.h>
#ifdef __WATCOMC__
#ifndef __cplusplus
#pragma aux mxGetEps value [8087];
#pragma aux mxGetInf value [8087];
#pragma aux mxGetNaN value [8087];
#endif
#endif
/*
* Function for obtaining MATLAB's concept of EPS
*/
extern double mxGetEps(void);
/*
* Function for obtaining MATLAB's concept of INF (Used in MEX-File callback).
*/
extern double mxGetInf(void);
/*
* Function for obtaining MATLAB's concept of NaN (Used in MEX-File callback).
*/
extern double mxGetNaN(void);
/*
* test for finiteness in a machine-independent manner
*/
extern bool mxIsFinite(
double x /* value to test */
);
/*
* test for infinity in a machine-independent manner
*/
extern bool mxIsInf(
double x /* value to test */
);
/*
* test for NaN in a machine-independent manner
*/
extern bool mxIsNaN(
double x /* value to test */
);
typedef void * (*calloc_proc)(size_t nmemb, size_t size);
typedef void (*free_proc)(void *ptr);
typedef void * (*malloc_proc)(size_t size);
typedef void * (*realloc_proc)(void *ptr, size_t size);
#if !defined(MATLAB_MEX_FILE)
/*
* Set the memory allocation functions used by the matrix library. You must
* supply calloc, realloc, free and malloc functions when using mxSetAllocFcns.
* NOTE: the free function MUST handle the case when the pointer to be freed
* is NULL. The default AllocFcns for the matrix library are based on the
* standard C library functions calloc, free, realloc, and malloc.
*/
extern void mxSetAllocFcns(
calloc_proc callocfcn,
free_proc freefcn,
realloc_proc reallocfcn,
malloc_proc mallocfcn
);
#endif
#if defined(V4_COMPAT)
#define Matrix mxArray
#define COMPLEX mxCOMPLEX
#define REAL mxREAL
typedef double Real;
#define mxCreateFull mxCreateDoubleMatrix
#define mxIsString mxIsChar
#define mxFreeMatrix mxDestroyArray
#define mxIsFull(pa) (!mxIsSparse(pa))
#else
#define mxIsFull() mxIsFull_is_obsolete
#define mxCreateFull() mxCreateFull_is_obsolete
#define mxIsString() mxIsString_is_obsolete
#define mxFreeMatrix() mxFreeMatrix_is_obsolete
#endif /* V4_COMPAT */
#include <stdlib.h>
#include <stdlib.h>
#include <stdlib.h>
/* $Revision: 1.10 $ */
#ifdef ARGCHECK
#include "mwdebug.h" /* Prototype _d versions of API functions */
#define mxCalcSingleSubscript(pa, nsubs, subs) mxCalcSingleSubscript_d(pa, nsubs, subs, __FILE__, __LINE__)
#define mxCalloc(nelems, size) mxCalloc_d(nelems, size, __FILE__, __LINE__)
#define mxClearLogical(pa) mxClearLogical_d(pa, __FILE__, __LINE__)
#define mxCreateCellArray(ndim, dims) mxCreateCellArray_d(ndim, dims, __FILE__, __LINE__)
#define mxCreateCellMatrix(m, n) mxCreateCellMatrix_d(m, n, __FILE__, __LINE__)
#define mxCreateCharArray(ndim, dims) mxCreateCharArray_d(ndim, dims, __FILE__, __LINE__)
#define mxCreateCharMatrixFromStrings(m, strings) mxCreateCharMatrixFromStrings_d(m, strings, __FILE__, __LINE__)
#define mxCreateDoubleMatrix(m, n, cplxflag) mxCreateDoubleMatrix_d(m, n, cplxflag, __FILE__, __LINE__)
#define mxCreateNumericArray(ndim, dims, classname, cplxflag) mxCreateNumericArray_d(ndim, dims, classname, cplxflag, __FILE__, __LINE__)
#define mxCreateSparse(m, n, nzmax, cplxflag) mxCreateSparse_d(m, n, nzmax, cplxflag, __FILE__, __LINE__)
#define mxCreateString(string) mxCreateString_d(string, __FILE__, __LINE__)
#define mxCreateStructArray(ndim, dims, nfields, fieldnames) mxCreateStructArray_d(ndim, dims, nfields, fieldnames, __FILE__, __LINE__)
#define mxCreateStructMatrix(m, n, nfields, fieldnames) mxCreateStructMatrix_d(m, n, nfields, fieldnames, __FILE__, __LINE__)
#define mxDestroyArray(pa) mxDestroyArray_d(pa, __FILE__, __LINE__)
#define mxDuplicateArray(pa) mxDuplicateArray_d(pa, __FILE__, __LINE__)
#define mxFree(pm) mxFree_d(pm, __FILE__, __LINE__)
#define mxGetCell(pa, index) mxGetCell_d(pa, index, __FILE__, __LINE__)
#define mxGetClassID(pa) mxGetClassID_d(pa, __FILE__, __LINE__)
#define mxGetClassName(pa) mxGetClassName_d(pa, __FILE__, __LINE__)
#define mxGetData(pa) mxGetData_d(pa, __FILE__, __LINE__)
#define mxGetDimensions(pa) mxGetDimensions_d(pa, __FILE__, __LINE__)
#define mxGetElementSize(pa) mxGetElementSize_d(pa, __FILE__, __LINE__)
#define mxGetField(pa, index, fieldname) mxGetField_d(pa, index, fieldname, __FILE__, __LINE__)
#define mxGetFieldByNumber(pa, index, fieldnum) mxGetFieldByNumber_d(pa, index, fieldnum, __FILE__, __LINE__)
#define mxGetFieldNameByNumber(pa, fieldnum) mxGetFieldNameByNumber_d(pa, fieldnum, __FILE__, __LINE__)
#define mxGetFieldNumber(pa, fieldname) mxGetFieldNumber_d(pa, fieldname, __FILE__, __LINE__)
#define mxGetImagData(pa) mxGetImagData_d(pa, __FILE__, __LINE__)
#define mxGetIr(pa) mxGetIr_d(pa, __FILE__, __LINE__)
#define mxGetJc(pa) mxGetJc_d(pa, __FILE__, __LINE__)
#define mxGetName(pa) mxGetName_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfDimensions(pa) mxGetNumberOfDimensions_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfElements(pa) mxGetNumberOfElements_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfFields(pa) mxGetNumberOfFields_d(pa, __FILE__, __LINE__)
#define mxGetNzmax(pa) mxGetNzmax_d(pa, __FILE__, __LINE__)
#define mxGetM(pa) mxGetM_d(pa, __FILE__, __LINE__)
#define mxGetN(pa) mxGetN_d(pa, __FILE__, __LINE__)
#define mxGetPi(pa) mxGetPi_d(pa, __FILE__, __LINE__)
#define mxGetPr(pa) mxGetPr_d(pa, __FILE__, __LINE__)
#define mxGetScalar(pa) mxGetScalar_d(pa, __FILE__, __LINE__)
#define mxGetString(pa, buffer, buflen) mxGetString_d(pa, buffer, buflen, __FILE__, __LINE__)
#define mxIsCell(pa) mxIsCell_d(pa, __FILE__, __LINE__)
#define mxIsChar(pa) mxIsChar_d(pa, __FILE__, __LINE__)
#define mxIsClass(pa, classname) mxIsClass_d(pa, classname, __FILE__, __LINE__)
#define mxIsComplex(pa) mxIsComplex_d(pa, __FILE__, __LINE__)
#define mxIsDouble(pa) mxIsDouble_d(pa, __FILE__, __LINE__)
#define mxIsEmpty(pa) mxIsEmpty_d(pa, __FILE__, __LINE__)
#define mxIsFromGlobalWS(pa) mxIsFromGlobalWS_d(pa, __FILE__, __LINE__)
#define mxIsInt8(pa) mxIsInt8_d(pa, __FILE__, __LINE__)
#define mxIsInt16(pa) mxIsInt16_d(pa, __FILE__, __LINE__)
#define mxIsInt32(pa) mxIsInt32_d(pa, __FILE__, __LINE__)
#define mxIsLogical(pa) mxIsLogical_d(pa, __FILE__, __LINE__)
#define mxIsNumeric(pa) mxIsNumeric_d(pa, __FILE__, __LINE__)
#define mxIsSingle(pa) mxIsSingle_d(pa, __FILE__, __LINE__)
#define mxIsSparse(pa) mxIsSparse_d(pa, __FILE__, __LINE__)
#define mxIsStruct(pa) mxIsStruct_d(pa, __FILE__, __LINE__)
#define mxIsUint8(pa) mxIsUint8_d(pa, __FILE__, __LINE__)
#define mxIsUint16(pa) mxIsUint16_d(pa, __FILE__, __LINE__)
#define mxIsUint32(pa) mxIsUint32_d(pa, __FILE__, __LINE__)
#define mxRealloc(pm, nelems) mxRealloc_d(pm, nelems, __FILE__, __LINE__)
#if !defined(MATLAB_MEX_FILE)
#define mxSetAllocFcns(callocptr, freeptr, reallocptr, mallocptr) mxSetAllocFcns_d(callocptr, freeptr, reallocptr, freeptr, __FILE__, __LINE__)
#endif /* MATLAB_MEX_FILE */
#define mxSetCell(pa, index, value) mxSetCell_d(pa, index, value, __FILE__, __LINE__)
#define mxSetClassName(pa, name) mxSetClassName_d(pa, name, __FILE__, __LINE__)
#define mxSetData(pa, pd) mxSetData_d(pa, pd, __FILE__, __LINE__)
#define mxSetDimensions(pa, size, ndims) mxSetDimensions_d(pa, size, ndims, __FILE__, __LINE__)
#define mxSetField(pa, index, fieldname, value) mxSetField_d(pa, index, fieldname, value, __FILE__, __LINE__)
#define mxSetFieldByNumber(pa, index, fieldnum, value) mxSetFieldByNumber_d(pa, index, fieldnum, value, __FILE__, __LINE__)
#define mxSetImagData(pa, pid) mxSetImagData_d(pa, pid, __FILE__, __LINE__)
#define mxSetIr(pa, ir) mxSetIr_d(pa, ir, __FILE__, __LINE__)
#define mxSetJc(pa, jc) mxSetJc_d(pa, jc, __FILE__, __LINE__)
#define mxSetLogical(pa) mxSetLogical_d(pa, __FILE__, __LINE__)
#define mxSetM(pa, m) mxSetM_d(pa, m, __FILE__, __LINE__)
#define mxSetN(pa, n) mxSetN_d(pa, n, __FILE__, __LINE__)
#define mxSetName(pa, name) mxSetName_d(pa, name, __FILE__, __LINE__)
#define mxSetNzmax(pa, nzmax) mxSetNzmax_d(pa, nzmax, __FILE__, __LINE__)
#define mxSetPi(pa, pi) mxSetPi_d(pa, pi, __FILE__, __LINE__)
#define mxSetPr(pa, pr) mxSetPr_d(pa, pr, __FILE__, __LINE__)
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* matrix_h */
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Geert Craessaerts wrote:
Do you know what's wrong?
You need to link with the library where these functions are in.
That means, in the Project-Settings, Tab 'Link', under 'Object/library module', inset the name (maybe with path) of the .lib file.
My opinions may have changed, but not the fact that I am right.
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Vimal Earnest wrote:
extern "C"
{
#include "yourheader.h"
}
This is generally not a good idea. yourheader.h may include other header files that contain C++ code (windows system files, for example).
A better way to do it is to put
#if defined( __cplusplus )
extern "C" {
#endif // defined( __cplusplus )
inside yourheader.h before declarations (but after includes) and
#if defined( __cplusplus )
}
#endif // defined( __cplusplus )
inside yourheader.h at the end.
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