这是我的mex功能。由于打开数组[]，在mxArray中发现了错误。有解决方案可以解决这个问题吗？
我只附加了代码但是反复出现的问题是mxArray和extern bool。
代码：
/*
* @(#)mex.h generated by: makeheader Mon Sep 4 03:57:16 2000
*
* built from: ../include/copyright.h
* mex_typedefs.h
* fmexapi.c
* globals.c
* mexapi.c
* mexapiv4.c
* mexcbk.c
* mexintrf.c
* modver/modver.c
*/
#ifndef mex_h
#define mex_h
/* $Revision: 1.3 $ */
/*
* Copyright (c) 1984-2000 The MathWorks, Inc.
* All Rights Reserved.
*/
/* $Revision: 1.4 $ */
#ifndef mex_typedefs_h
#define mex_typedefs_h
typedef struct impl_info_tag *MEX_impl_info;
#include "matrix.h"
typedef struct mexGlobalTableEntry_Tag
{
const char *name; /* The name of the global */
mxArray **variable; /* A pointer to the variable */
} mexGlobalTableEntry, *mexGlobalTable;
typedef struct mexFunctionTableEntry_tag {
const char * name;
mxFunctionPtr f;
int nargin;
int nargout;
struct _mexLocalFunctionTable *local_function_table;
} mexFunctionTableEntry, *mexFunctionTable;
typedef struct _mexLocalFunctionTable {
size_t length;
mexFunctionTable entries;
} _mexLocalFunctionTable, *mexLocalFunctionTable;
typedef struct {
void (*initialize)(void);
void (*terminate)(void);
} _mexInitTermTableEntry, *mexInitTermTableEntry;
#define MEX_INFORMATION_VERSION 1
typedef struct {
int version;
int file_function_table_length;
mexFunctionTable file_function_table;
int global_variable_table_length;
mexGlobalTable global_variable_table;
int npaths;
const char ** paths;
int init_term_table_length;
mexInitTermTableEntry init_term_table;
} _mex_information, *mex_information;
typedef mex_information(*fn_mex_file)(void);
typedef void (*fn_clean_up_after_error)(void);
typedef const char *(*fn_simple_function_to_string)(mxFunctionPtr f);
typedef fn_clean_up_after_error fn_mex_enter_mex_library;
typedef fn_clean_up_after_error fn_mex_exit_mex_library;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* This header file "mex.h" declares all the types, macros and
* functions necessary to interface mex files with the current
* version of MATLAB. See the release notes for information on
* supporting syntax from earlier versions.
*/
#include "matrix.h"
#include <stdio.h>
#if defined(applec)
/* MATLAB is compiled with Metrowerks CodeWarrior C.
File I/O functions in MPW SC MEX-files are mapped back to MATLAB
to avoid Data-to-Code Reference link errors from IntEnv.o.
So, the macros defined in SC's stdio.h which make direct reference
to the elements of a FILE structure need to be redefined as
callbacks to MATLAB.
*/
#undef getc
#undef putc
#undef clearerr
#undef feof
#undef ferror
#endif
/*
* mexFunction is the user defined C routine which is called upon invocation
* of a mex function.
*/
void mexFunction(
int nlhs, /* number of expected outputs */
mxArray *plhs[], /* array of pointers to output arguments */
int nrhs, /* number of inputs */
#if !defined(V4_COMPAT)
const mxArray *prhs[] /* array of pointers to input arguments */
#else
mxArray *prhs[] /* array of pointers to input arguments */
#endif
);
#if defined (powerc) && defined(__MWERKS__) && defined(MATLAB_MEX_FILE)
#pragma export list mexFunction
#endif
/*
* Issue error message and return to MATLAB prompt
*/
extern void mexErrMsgTxt(
const char *error_msg /* string with error message */
);
/*
* Issue error message if warnings enabled in MATLAB
*/
extern void mexWarnMsgTxt(
const char *error_msg /* string with error message */
);
/*
* mex equivalent to MATLAB's "disp" function
*/
extern int mexPrintf(
const char *fmt, /* printf style format */
... /* any additional arguments */
);
/*
#define printf mexPrintf
*/
/*
* Remove all components of an array plus the array header itself
* from MATLAB's memory allocation list. The array will now
* persist between calls to the mex function. To destroy this
* array, you will need to explicitly call mxDestroyArray().
*/
extern void mexMakeArrayPersistent(
mxArray *pa /* pointer to array */
);
/*
* Remove memory previously allocated via mxCalloc from MATLAB's
* memory allocation list. To free this memory, you will need to
* explicitly call mxFree().
*/
extern void mexMakeMemoryPersistent(void *ptr);
/*
* Look up a function and return an opaque handle for use with
* mexCallMATLABFunction.
*/
extern void mexGetFunctionHandle(void);
/*
* Call a function whose handle was determined by mexGetFunctionHandle.
*/
extern void mexCallMATLABFunction(void);
/*
* Register a function pointer as a MATLAB-callable function.
*/
extern void mexRegisterFunction(void);
/*
* mex equivalent to MATLAB's "set" function
*/
extern int mexSet(double handle, const char *property, mxArray *value);
/* API interface which mimics the "get" function */
extern const mxArray *mexGet(double handle, const char *property);
/*
* call MATLAB function
*/
extern int mexCallMATLAB(
int nlhs, /* number of expected outputs */
mxArray *plhs[], /* pointer array to outputs */
int nrhs, /* number of inputs */
mxArray *prhs[], /* pointer array to inputs */
const char *fcn_name /* name of function to execute */
);
/*
* set or clear mexCallMATLAB trap flag (if set then an error in
* mexCallMATLAB is caught and mexCallMATLAB will return a status value,
* if not set an error will cause control to revert to MATLAB)
*/
extern void mexSetTrapFlag(int flag);
/*
* Perform in-place subscript assignment.
*/
extern void mexSubsAssign(
mxArray *plhs, /* pointer to lhs, to be modified in-place */
const mxArray *sub[], /* array of subscripts for lhs */
int nsubs, /* number os subscripts */
const mxArray *prhs /* pointer to rhs */
);
/*
* Retrieve a specified subset of an array.
*/
extern mxArray *mexSubsReference(
const mxArray *prhs, /* pointer to rhs */
const mxArray *subs[], /* array of subscripts for rhs */
int nsubs /* number of subscripts */
);
#endif /* mex_h */
答案 0 :(得分：0)
由于您还不知道数组的大小，您可以使用双指针并在需要的地方分配它们。
mxArray **plhs;
你所拥有的是一个结构中不完整的类型，然后是一个完整的类型。
不允许这样：
struct {
char *x[];
int y;
};
但这是因为您可以在声明点指定大小：
struct {
int y;
char *x[];
};