libnix/sources/nix/stdio/vsnprintf.c
2018-01-04 19:14:30 +01:00

20 lines
420 B
C

#include <stdio.h>
#include <stdarg.h>
int vsnprintf(char *s,size_t size,const char *format,va_list args)
{ if ((int)size>0) {
int retval;
FILE buffer;
buffer.p=s;
buffer.incount=0;
buffer.outcount=size-1;
buffer.flags=__SSTR|__SWR;
buffer.linebufsize=0;
retval=vfprintf(&buffer,format,args);
buffer.outcount = retval;
fputc('\0',&buffer);
return retval;
}
return EOF;
}