hw/xfree86/dummylib/xalloc.c


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
92
93
94
95
96

/* $XFree86: xc/programs/Xserver/hw/xfree86/dummylib/xalloc.c,v 1.1 2000/02/13 03:06:39 dawes Exp $ */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include <X11/X.h>
#include "os.h"
#include "xf86.h"
#include "xf86Priv.h"

/*
 * Utility functions required by libxf86_os. 
 */

pointer
Xalloc(unsigned long n)
{
    if (!n)
	n = 1;
    return malloc(n);
}

pointer
Xrealloc(pointer p, unsigned long n)
{
    if (!n)
	n = 1;
    return realloc(p, n);
}

pointer
Xcalloc(unsigned long n)
{
    pointer r;

    r = Xalloc(n);
    memset(r, 0, n);
    return r;
}

pointer
XNFalloc(unsigned long n)
{
    pointer r;

    r = Xalloc(n);
    if (!r)
	FatalError("XNFalloc failed\n");
    return r;
   
}

pointer
XNFrealloc(pointer p, unsigned long n)
{
    pointer r;

    r = Xrealloc(p, n);
    if (!r)
	FatalError("XNFrealloc failed\n");
    return r;
   
}

pointer
XNFcalloc(unsigned long n)
{
    pointer r;

    r = Xcalloc(n);
    if (!r)
	FatalError("XNFcalloc failed\n");
    return r;
   
}

void
Xfree(pointer p)
{
    free(p);
}

char *
Xstrdup(const char *s)
{
    char *sd;

    if (s == NULL)
	return NULL;

    sd = (char *)Xalloc(strlen(s) + 1);
    if (sd != NULL)
	strcpy(sd, s);
    return sd;
}