blob: 1694c2905c74d75d3797483ca87724ad918108c7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
** This file is in the public domain, so clarified as of
** 2006-07-17 by Arthur David Olson.
*/
#ifndef lint
#ifndef NOID
static const char elsieid[] = "@(#)ialloc.c 8.30";
#endif /* !defined NOID */
#endif /* !defined lint */
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/*LINTLIBRARY*/
#include "private.h"
#define nonzero(n) (((n) == 0) ? 1 : (n))
char *
imalloc(n)
const int n;
{
return malloc((size_t) nonzero(n));
}
char *
icalloc(nelem, elsize)
int nelem;
int elsize;
{
if (nelem == 0 || elsize == 0)
nelem = elsize = 1;
return calloc((size_t) nelem, (size_t) elsize);
}
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);
}
void
icfree(p)
char * const p;
{
if (p != NULL)
(void) free(p);
}
|
