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