9os

Experimental kernel using plan9 ideas for embedded device
git clone git://git.simple-cc.org/9os
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ksnprint.c (337B)

      1 #include <stdarg.h>
      2 #include <stddef.h>
      3 
      4 #include <libk.h>
      5 
      6 #include "stream.h"
      7 
      8 int
      9 ksnprint(char *str, size_t len, const char *fmt, ...)
     10 {
     11 	va_list ap;
     12 	Stream stream;
     13 
     14 	stream.base = str;
     15 	stream.len = len;
     16 	stream.cnt = 0;
     17 
     18 	va_start(ap, fmt);
     19 	doprnt(&stream, fmt, ap);
     20 	va_end(ap);
     21 
     22 	str[stream.cnt] = '\0';
     23 
     24 	return stream.cnt;
     25 }