author | Sunil Nimmagadda <sunil@nimmagadda.net> |
Tue, 06 Dec 2022 13:51:55 +0000 | |
changeset 0 | 1d0ce1ebbc72 |
permissions | -rw-r--r-- |
0
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
1 |
/* $OpenBSD: xmalloc.c,v 1.11 2016/11/17 10:06:08 nicm Exp $ */ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
2 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
3 |
/* |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
4 |
* Author: Tatu Ylonen <ylo@cs.hut.fi> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
5 |
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
6 |
* All rights reserved |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
7 |
* Versions of malloc and friends that check their results, and never return |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
8 |
* failure (they call fatalx if they encounter an error). |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
9 |
* |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
10 |
* As far as I am concerned, the code I have written for this software |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
11 |
* can be used freely for any purpose. Any derived versions of this |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
12 |
* software must be clearly marked as such, and if the derived work is |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
13 |
* incompatible with the protocol description in the RFC file, it must be |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
14 |
* called by a name other than "ssh" or "Secure Shell". |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
15 |
*/ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
16 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
17 |
#include <err.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
18 |
#include <errno.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
19 |
#include <limits.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
20 |
#include <stdarg.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
21 |
#include <stdint.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
22 |
#include <stdio.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
23 |
#include <stdlib.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
24 |
#include <string.h> |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
25 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
26 |
#include "xmalloc.h" |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
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changeset
|
27 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
28 |
void * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
29 |
xmalloc(size_t size) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
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changeset
|
30 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
31 |
void *ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
32 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
33 |
if (size == 0) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
34 |
errx(1, "xmalloc: zero size"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
35 |
ptr = malloc(size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
36 |
if (ptr == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
37 |
err(1, "xmalloc: allocating %zu bytes", size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
38 |
return ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
39 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
40 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
41 |
void * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
42 |
xcalloc(size_t nmemb, size_t size) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
43 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
44 |
void *ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
45 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
46 |
if (size == 0 || nmemb == 0) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
47 |
errx(1, "xcalloc: zero size"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
48 |
ptr = calloc(nmemb, size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
49 |
if (ptr == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
50 |
err(1, "xcalloc: allocating %zu * %zu bytes", nmemb, size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
51 |
return ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
52 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
53 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
54 |
void * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
55 |
xrealloc(void *ptr, size_t size) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
56 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
57 |
return xreallocarray(ptr, 1, size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
58 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
59 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
60 |
void * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
61 |
xreallocarray(void *ptr, size_t nmemb, size_t size) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
62 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
63 |
void *new_ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
64 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
65 |
if (nmemb == 0 || size == 0) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
66 |
errx(1, "xreallocarray: zero size"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
67 |
new_ptr = reallocarray(ptr, nmemb, size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
68 |
if (new_ptr == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
69 |
err(1, "xreallocarray: allocating %zu * %zu bytes", |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
70 |
nmemb, size); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
71 |
return new_ptr; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
72 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
73 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
74 |
char * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
75 |
xstrdup(const char *str) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
76 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
77 |
char *cp; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
78 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
79 |
if ((cp = strdup(str)) == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
80 |
err(1, "xstrdup"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
81 |
return cp; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
82 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
83 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
84 |
char * |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
85 |
xstrndup(const char *str, size_t maxlen) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
86 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
87 |
char *cp; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
88 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
89 |
if ((cp = strndup(str, maxlen)) == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
90 |
err(1, "xstrndup"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
91 |
return cp; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
92 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
93 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
94 |
int |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
95 |
xasprintf(char **ret, const char *fmt, ...) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
96 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
97 |
va_list ap; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
98 |
int i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
99 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
100 |
va_start(ap, fmt); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
101 |
i = xvasprintf(ret, fmt, ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
102 |
va_end(ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
103 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
104 |
return i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
105 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
106 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
107 |
int |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
108 |
xvasprintf(char **ret, const char *fmt, va_list ap) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
109 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
110 |
int i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
111 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
112 |
i = vasprintf(ret, fmt, ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
113 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
114 |
if (i < 0 || *ret == NULL) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
115 |
err(1, "xasprintf"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
116 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
117 |
return i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
118 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
119 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
120 |
int |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
121 |
xsnprintf(char *str, size_t len, const char *fmt, ...) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
122 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
123 |
va_list ap; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
124 |
int i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
125 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
126 |
va_start(ap, fmt); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
127 |
i = xvsnprintf(str, len, fmt, ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
128 |
va_end(ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
129 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
130 |
return i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
131 |
} |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
132 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
133 |
int |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
134 |
xvsnprintf(char *str, size_t len, const char *fmt, va_list ap) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
135 |
{ |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
136 |
int i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
137 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
138 |
if (len > INT_MAX) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
139 |
errx(1, "xsnprintf: len > INT_MAX"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
140 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
141 |
i = vsnprintf(str, len, fmt, ap); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
142 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
143 |
if (i < 0 || i >= (int)len) |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
144 |
errx(1, "xsnprintf: overflow"); |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
145 |
|
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
146 |
return i; |
1d0ce1ebbc72
An HTTP(S), FTP client.
Sunil Nimmagadda <sunil@nimmagadda.net>
parents:
diff
changeset
|
147 |
} |