46 lines
717 B
C
46 lines
717 B
C
/*
|
|
* linux/lib/kasprintf.c
|
|
*
|
|
* Copyright (C) 1991, 1992 Linus Torvalds
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <linux/export.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/types.h>
|
|
#include <linux/string.h>
|
|
|
|
/* Simplified asprintf. */
|
|
char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap)
|
|
{
|
|
unsigned int len;
|
|
char *p;
|
|
va_list aq;
|
|
|
|
va_copy(aq, ap);
|
|
len = vsnprintf(NULL, 0, fmt, aq);
|
|
va_end(aq);
|
|
|
|
p = kmalloc_track_caller(len+1, gfp);
|
|
if (!p)
|
|
return NULL;
|
|
|
|
vsnprintf(p, len+1, fmt, ap);
|
|
|
|
return p;
|
|
}
|
|
EXPORT_SYMBOL(kvasprintf);
|
|
|
|
char *kasprintf(gfp_t gfp, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
char *p;
|
|
|
|
va_start(ap, fmt);
|
|
p = kvasprintf(gfp, fmt, ap);
|
|
va_end(ap);
|
|
|
|
return p;
|
|
}
|
|
EXPORT_SYMBOL(kasprintf);
|