104 lines
1.9 KiB
C
104 lines
1.9 KiB
C
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)ialloc.c 8.21";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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/*LINTLIBRARY*/
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#include "private.h"
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#ifdef MAL
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#define NULLMAL(x) ((x) == NULL || (x) == MAL)
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#endif /* defined MAL */
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#ifndef MAL
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#define NULLMAL(x) ((x) == NULL)
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#endif /* !defined MAL */
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#define nonzero(n) (((n) == 0) ? 1 : (n))
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char * icalloc P((int nelem, int elsize));
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char * icatalloc P((char * old, const char * new));
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char * icpyalloc P((const char * string));
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char * imalloc P((int n));
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char * irealloc P((char * pointer, int size));
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void ifree P((char * pointer));
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char *
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imalloc(n)
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const int n;
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{
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#ifdef MAL
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register char * result;
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result = malloc((alloc_size_t) nonzero(n));
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return NULLMAL(result) ? NULL : result;
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#endif /* defined MAL */
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#ifndef MAL
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return malloc((alloc_size_t) nonzero(n));
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#endif /* !defined MAL */
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}
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char *
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icalloc(nelem, elsize)
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int nelem;
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int 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_size_t) nelem, (alloc_size_t) elsize);
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}
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char *
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irealloc(pointer, size)
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char * const pointer;
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const int size;
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{
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if (NULLMAL(pointer))
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return imalloc(size);
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return realloc((genericptr_t) pointer, (alloc_size_t) nonzero(size));
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}
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char *
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icatalloc(old, new)
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char * const old;
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const char * const new;
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{
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register char * result;
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register int oldsize, newsize;
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newsize = NULLMAL(new) ? 0 : strlen(new);
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if (NULLMAL(old))
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oldsize = 0;
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else if (newsize == 0)
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return old;
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else oldsize = strlen(old);
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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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const char * const string;
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{
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return icatalloc((char *) NULL, string);
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}
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void
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ifree(p)
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char * const p;
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{
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if (!NULLMAL(p))
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(void) free(p);
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}
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void
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icfree(p)
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char * const p;
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{
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if (!NULLMAL(p))
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(void) free(p);
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}
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