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#pragma ident "%Z%%M% %I% %E% SMI"
/* static char elsieid[] = "@(#)ialloc.c 8.29"; */
/*LINTLIBRARY*/
#include "private.h"
#define nonzero(n) (((n) == 0) ? 1 : (n))
char *
imalloc(n)
const int n;
{
return (malloc((size_t) nonzero(n)));
}
void *
irealloc(pointer, size)
void * const pointer;
const int size;
{
if (pointer == NULL)
return (imalloc(size));
return (realloc((void *) pointer, (size_t) nonzero(size)));
}
char *
icatalloc(old, new)
char * const old;
const char * const new;
{
register char * result;
register int oldsize, newsize;
newsize = (new == NULL) ? 0 : strlen(new);
if (old == NULL)
oldsize = 0;
else if (newsize == 0)
return (old);
else oldsize = strlen(old);
if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
if (new != NULL)
(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 (p != NULL)
(void) free(p);
}
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