100 lines
1.5 KiB
C
100 lines
1.5 KiB
C
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#
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/*LINTLIBRARY*/
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#include "stdio.h"
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#ifndef lint
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#ifndef NOID
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static char sccsid[] = "@(#)ialloc.c 7.14";
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#endif /* !NOID */
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#endif /* !lint */
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#ifndef alloc_t
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#define alloc_t unsigned
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#endif /* !alloc_t */
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#ifdef MAL
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#define NULLMAL(x) ((x) == NULL || (x) == MAL)
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#else /* !MAL */
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#define NULLMAL(x) ((x) == NULL)
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#endif /* !MAL */
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extern char * calloc();
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extern char * malloc();
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extern char * realloc();
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extern char * strcpy();
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char *
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imalloc(n)
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{
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#ifdef MAL
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register char * result;
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if (n == 0)
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n = 1;
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result = malloc((alloc_t) n);
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return (result == MAL) ? NULL : result;
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#else /* !MAL */
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if (n == 0)
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n = 1;
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return malloc((alloc_t) n);
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#endif /* !MAL */
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}
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char *
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icalloc(nelem, elsize)
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{
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if (nelem == 0 || elsize == 0)
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nelem = elsize = 1;
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return calloc((alloc_t) nelem, (alloc_t) elsize);
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}
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char *
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irealloc(pointer, size)
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char * pointer;
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{
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if (NULLMAL(pointer))
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return imalloc(size);
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if (size == 0)
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size = 1;
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return realloc(pointer, (alloc_t) size);
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}
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char *
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icatalloc(old, new)
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char * old;
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char * new;
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{
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register char * result;
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register oldsize, newsize;
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oldsize = NULLMAL(old) ? 0 : strlen(old);
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newsize = NULLMAL(new) ? 0 : strlen(new);
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if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
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if (!NULLMAL(new))
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(void) strcpy(result + oldsize, new);
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return result;
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}
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char *
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icpyalloc(string)
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char * string;
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{
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return icatalloc((char *) NULL, string);
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}
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ifree(p)
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char * p;
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{
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if (!NULLMAL(p))
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free(p);
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}
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icfree(p)
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char * p;
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{
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if (!NULLMAL(p))
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free(p);
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}
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