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       ---
       dprintf.c (363B)
       ---
            1 /* See LICENSE file for copyright and license details. */
            2 #include <stdarg.h>
            3 #include <stdio.h>
            4 #include <unistd.h>
            5 
            6 #include "util.h"
            7 
            8 int
            9 dprintf(int fd, const char *fmt, ...)
           10 {
           11         char buf[BUFSIZ];
           12         int r;
           13         va_list ap;
           14 
           15         va_start(ap, fmt);
           16         r = vsnprintf(buf, sizeof(buf), fmt, ap);
           17         if (r > 0 && r < sizeof(buf))
           18                 write(fd, buf, r);
           19         va_end(ap);
           20         return r;
           21 }