plan9fox/sys/src/libstdio/snprintf.c
2011-03-30 19:35:09 +03:00

18 lines
296 B
C

/*
* pANS stdio -- sprintf
*/
#include "iolib.h"
int snprintf(char *buf, int nbuf, const char *fmt, ...){
int n;
va_list args;
FILE *f=sopenw();
if(f==NULL)
return 0;
setvbuf(f, buf, _IOFBF, nbuf);
va_start(args, fmt);
n=vfprintf(f, fmt, args);
va_end(args);
sclose(f);
return n;
}