133 lines
2.3 KiB
C
133 lines
2.3 KiB
C
#ifndef lint
|
|
static char sccsid[] = "@(#)ialloc.c 1.1 94/10/31 SMI"; /* from Arthur Olson's 8.18 */
|
|
#endif /* !defined lint */
|
|
|
|
/*LINTLIBRARY*/
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef __STDC__
|
|
|
|
#include <stdlib.h>
|
|
|
|
#define P(s) s
|
|
|
|
#define alloc_size_t size_t
|
|
|
|
typedef void * genericptr_t;
|
|
|
|
#else /* !defined __STDC__ */
|
|
|
|
extern char * calloc();
|
|
extern char * malloc();
|
|
extern char * realloc();
|
|
|
|
#define ASTERISK *
|
|
#define P(s) (/ASTERISK s ASTERISK/)
|
|
|
|
typedef unsigned alloc_size_t;
|
|
|
|
#define const
|
|
|
|
typedef char * genericptr_t;
|
|
|
|
#endif /* !defined __STDC__ */
|
|
|
|
#ifndef alloc_t
|
|
#define alloc_t unsigned
|
|
#endif /* !alloc_t */
|
|
|
|
#ifdef MAL
|
|
#define NULLMAL(x) ((x) == NULL || (x) == MAL)
|
|
#else /* !defined MAL */
|
|
#define NULLMAL(x) ((x) == NULL)
|
|
#endif /* !defined MAL */
|
|
|
|
#define nonzero(n) (((n) == 0) ? 1 : (n))
|
|
|
|
char * icalloc P((int nelem, int elsize));
|
|
char * icatalloc P((char * old, const char * new));
|
|
char * icpyalloc P((const char * string));
|
|
char * imalloc P((int n));
|
|
char * irealloc P((char * pointer, int size));
|
|
void ifree P((char * pointer));
|
|
|
|
char *
|
|
imalloc(n)
|
|
const int n;
|
|
{
|
|
#ifdef MAL
|
|
register char * result;
|
|
|
|
result = malloc((alloc_size_t) nonzero(n));
|
|
return NULLMAL(result) ? NULL : result;
|
|
#else /* !defined MAL */
|
|
return malloc((alloc_size_t) nonzero(n));
|
|
#endif /* !defined MAL */
|
|
}
|
|
|
|
char *
|
|
icalloc(nelem, elsize)
|
|
int nelem;
|
|
int elsize;
|
|
{
|
|
if (nelem == 0 || elsize == 0)
|
|
nelem = elsize = 1;
|
|
return calloc((alloc_size_t) nelem, (alloc_size_t) elsize);
|
|
}
|
|
|
|
char *
|
|
irealloc(pointer, size)
|
|
char * const pointer;
|
|
const int size;
|
|
{
|
|
if (NULLMAL(pointer))
|
|
return imalloc(size);
|
|
return realloc((genericptr_t) pointer, (alloc_size_t) nonzero(size));
|
|
}
|
|
|
|
char *
|
|
icatalloc(old, new)
|
|
char * const old;
|
|
const char * const new;
|
|
{
|
|
register char * result;
|
|
register oldsize, newsize;
|
|
|
|
newsize = NULLMAL(new) ? 0 : strlen(new);
|
|
if (NULLMAL(old))
|
|
oldsize = 0;
|
|
else if (newsize == 0)
|
|
return old;
|
|
else oldsize = strlen(old);
|
|
if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
|
|
if (!NULLMAL(new))
|
|
(void) strcpy(result + oldsize, new);
|
|
return result;
|
|
}
|
|
|
|
char *
|
|
icpyalloc(string)
|
|
const char * const string;
|
|
{
|
|
return icatalloc((char *) NULL, string);
|
|
}
|
|
|
|
void
|
|
ifree(p)
|
|
char * const p;
|
|
{
|
|
if (!NULLMAL(p))
|
|
(void) free(p);
|
|
}
|
|
|
|
void
|
|
icfree(p)
|
|
char * const p;
|
|
{
|
|
if (!NULLMAL(p))
|
|
(void) free(p);
|
|
}
|
|
|