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
97
98
|
/*
* emalloc - return new memory obtained from the system. Belch if none.
*/
#include <config.h>
#include "ntp_types.h"
#include "ntp_malloc.h"
#include "ntp_syslog.h"
#include "ntp_stdlib.h"
/*
* When using the debug MS CRT allocator, each allocation stores the
* callsite __FILE__ and __LINE__, which is then displayed at process
* termination, to track down leaks. We don't want all of our
* allocations to show up as coming from emalloc.c, so we preserve the
* original callsite's source file and line using macros which pass
* __FILE__ and __LINE__ as parameters to these routines.
* Other debug malloc implementations can be used by defining
* EREALLOC_IMPL() as ports/winnt/include/config.h does.
*/
void *
ereallocz(
void * ptr,
size_t newsz,
size_t priorsz,
int zero_init
#ifdef EREALLOC_CALLSITE /* ntp_malloc.h */
,
const char * file,
int line
#endif
)
{
char * mem;
size_t allocsz;
if (0 == newsz)
allocsz = 1;
else
allocsz = newsz;
mem = EREALLOC_IMPL(ptr, allocsz, file, line);
if (NULL == mem) {
msyslog_term = TRUE;
#ifndef EREALLOC_CALLSITE
msyslog(LOG_ERR, "fatal out of memory (%lu bytes)",
(u_long)newsz);
#else
msyslog(LOG_ERR,
"fatal out of memory %s line %d (%lu bytes)",
file, line, (u_long)newsz);
#endif
exit(1);
}
if (zero_init && newsz > priorsz)
zero_mem(mem + priorsz, newsz - priorsz);
return mem;
}
char *
estrdup_impl(
const char * str
#ifdef EREALLOC_CALLSITE
,
const char * file,
int line
#endif
)
{
char * copy;
size_t bytes;
bytes = strlen(str) + 1;
copy = ereallocz(NULL, bytes, 0, FALSE
#ifdef EREALLOC_CALLSITE
, file, line
#endif
);
memcpy(copy, str, bytes);
return copy;
}
#if 0
#ifndef EREALLOC_CALLSITE
void *
emalloc(size_t newsz)
{
return ereallocz(NULL, newsz, 0, FALSE);
}
#endif
#endif
|
