]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * linux/lib/kasprintf.c | |
3 | * | |
4 | * Copyright (C) 1991, 1992 Linus Torvalds | |
5 | */ | |
6 | ||
7 | #include <stdarg.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/types.h> | |
10 | #include <linux/string.h> | |
11 | ||
12 | /* Simplified asprintf. */ | |
13 | char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap) | |
14 | { | |
15 | unsigned int len; | |
16 | char *p; | |
17 | va_list aq; | |
18 | ||
19 | va_copy(aq, ap); | |
20 | len = vsnprintf(NULL, 0, fmt, aq); | |
21 | va_end(aq); | |
22 | ||
23 | p = kmalloc(len+1, gfp); | |
24 | if (!p) | |
25 | return NULL; | |
26 | ||
27 | vsnprintf(p, len+1, fmt, ap); | |
28 | ||
29 | return p; | |
30 | } | |
31 | EXPORT_SYMBOL(kvasprintf); | |
32 | ||
33 | char *kasprintf(gfp_t gfp, const char *fmt, ...) | |
34 | { | |
35 | va_list ap; | |
36 | char *p; | |
37 | ||
38 | va_start(ap, fmt); | |
39 | p = kvasprintf(gfp, fmt, ap); | |
40 | va_end(ap); | |
41 | ||
42 | return p; | |
43 | } | |
44 | EXPORT_SYMBOL(kasprintf); |