shithub: riscv

ref: f88a55e79b5bf656e7f9578d1318a955b9a4963a
dir: /sys/src/ape/lib/ap/stdio/snprintf.c/

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/*
 * pANS stdio -- sprintf
 */
#include "iolib.h"

int snprintf(char *buf, size_t nbuf, const char *fmt, ...){
	int n;
	va_list args;
	FILE *f=_IO_sopenw();
	if(f==NULL)
		return 0;
	setvbuf(f, buf, _IOFBF, nbuf);
	va_start(args, fmt);
	n=vfprintf(f, fmt, args);
	va_end(args);
	_IO_sclose(f);
	return n;
}