Memory Management

Macros
#define	xspAlloc(n, type)   (type *)xspMalloc((int)(n)*sizeof(type))
#define	xspRealloc(p, n, type)   (type *)xspRemalloc((char *)(p), (int)(n)*sizeof(type))
#define	xspFree(p)   {_xspFree((char *)(p)); (p) = NULL;}
#define	spArrayCopy(p1, p2, n, type)   memmove((char *)(p1), (char *)(p2), (unsigned)(n)*sizeof(type))
#define	xalloc(n, type)   xspAlloc(n, type)
#define	xrealloc(p, n, type)   xspRealloc(p, n, type)
#define	xfree(p)   xspFree(p)
#define	strclone(string)   xspStrClone(string)
#define	arrcpy(p1, p2, n, type)   spArrayCopy(p1, p2, n, type)

Functions
char *	xspMalloc (int nbytes)
char *	xspRemalloc (char *p, int nbytes)
void	_xspFree (char *p)
int **	xspIMatAlloc (int row, int col)
void	xspIMatFree (int **mat, int row)
short **	xspSMatAlloc (int row, int col)
void	xspSMatFree (short **mat, int row)
long **	xspLMatAlloc (int row, int col)
void	xspLMatFree (long **mat, int row)
float **	xspFMatAlloc (int row, int col)
void	xspFMatFree (float **mat, int row)
double **	xspDMatAlloc (int row, int col)
void	xspDMatFree (double **mat, int row)
char **	xspCMatAlloc (int row, int col)
void	xspCMatFree (char **mat, int row)
unsigned char **	xspUCMatAlloc (int row, int col)
void	xspUCMatFree (unsigned char **mat, int row)
char *	xspStrClone (const char *string)

Detailed Description

Macro Definition Documentation

xspAlloc

#define xspAlloc	(		n,
			type )   (type *)xspMalloc((int)(n)*sizeof(type))

Macro to allocate memory.

xspRealloc

#define xspRealloc	(		p,
			n,
			type )   (type *)xspRemalloc((char *)(p), (int)(n)*sizeof(type))

Macro to resize the allocated memory block.

xspFree

#define xspFree

(

p

)

{_xspFree((char *)(p)); (p) = NULL;}

Macro to free the allocated memory block.

Examples

dirtest.c.

spArrayCopy

#define spArrayCopy	(		p1,
			p2,
			n,
			type )   memmove((char *)(p1), (char *)(p2), (unsigned)(n)*sizeof(type))

Macro to copy the array contents of p2 to the address of p1 .

xalloc

#define xalloc	(		n,
			type )   xspAlloc(n, type)

Macro to allocate memory (abbreviated version).

xrealloc

#define xrealloc	(		p,
			n,
			type )   xspRealloc(p, n, type)

Macro to resize the allocated memory block (abbreviated version).

xfree

#define xfree

(

p

)

xspFree(p)

Macro to free the allocated memory block (abbreviated version).

strclone

#define strclone

(

string

)

xspStrClone(string)

Makes a memory-allocated clone of the string specified by string (abbreviated version).

arrcpy

#define arrcpy	(		p1,
			p2,
			n,
			type )   spArrayCopy(p1, p2, n, type)

Macro to copy the array contents of p2 to the address of p1 (abbreviated version).

Function Documentation

xspMalloc()

char * xspMalloc ( int nbytes )

extern

Allocates memory.

xspRemalloc()

char * xspRemalloc ( char * p, int nbytes )

extern

Resize the allocated memory block.

_xspFree()

void _xspFree ( char * p )

extern

Frees memory. Use xspFree() instead of this function.

xspIMatAlloc()

int ** xspIMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of int type.

xspIMatFree()

void xspIMatFree ( int ** mat, int row )

extern

Frees memory of a 2-d array of int type.

xspSMatAlloc()

short ** xspSMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of short type.

xspSMatFree()

void xspSMatFree ( short ** mat, int row )

extern

Frees memory of a 2-d array of short type.

xspLMatAlloc()

long ** xspLMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of long type.

xspLMatFree()

void xspLMatFree ( long ** mat, int row )

extern

Frees memory of a 2-d array of long type.

xspFMatAlloc()

float ** xspFMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of float type.

xspFMatFree()

void xspFMatFree ( float ** mat, int row )

extern

Frees memory of a 2-d array of float type.

xspDMatAlloc()

double ** xspDMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of double type.

xspDMatFree()

void xspDMatFree ( double ** mat, int row )

extern

Frees memory of a 2-d array of double type.

xspCMatAlloc()

char ** xspCMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of char type.

xspCMatFree()

void xspCMatFree ( char ** mat, int row )

extern

Frees memory of a 2-d array of char type.

xspUCMatAlloc()

unsigned char ** xspUCMatAlloc ( int row, int col )

extern

Allocates memory for a 2-d array of unsigned char type.

xspUCMatFree()

void xspUCMatFree ( unsigned char ** mat, int row )

extern

Frees memory of a 2-d array of unsigned char type.

xspStrClone()

char * xspStrClone ( const char * string )

extern

Makes a memory-allocated clone of the string specified by string .