mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-05 07:59:23 +00:00
8211a3a80c
This import comprises the `zic' and `zdump' programs. Obtained from: Arthur David Olson, ftp://elsie.nci.nih.gov/pub/tzcode94g
104 lines
1.9 KiB
C
104 lines
1.9 KiB
C
#ifndef lint
|
|
#ifndef NOID
|
|
static char elsieid[] = "@(#)ialloc.c 8.21";
|
|
#endif /* !defined NOID */
|
|
#endif /* !defined lint */
|
|
|
|
/*LINTLIBRARY*/
|
|
|
|
#include "private.h"
|
|
|
|
#ifdef MAL
|
|
#define NULLMAL(x) ((x) == NULL || (x) == MAL)
|
|
#endif /* defined MAL */
|
|
#ifndef 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;
|
|
#endif /* defined MAL */
|
|
#ifndef 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 int 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);
|
|
}
|