write_or_die.c

   1 #include "cache.h"
   2
   3 void write_or_die(int fd, const void *buf, size_t count)
   4 {
   5         const char *p = buf;
   6         ssize_t written;
   7
   8         while (count > 0) {
   9                 written = xwrite(fd, p, count);
  10                 if (written == 0)
  11                         die("disk full?");
  12                 else if (written < 0) {
  13                         if (errno == EPIPE)
  14                                 exit(0);
  15                         die("write error (%s)", strerror(errno));
  16                 }
  17                 count -= written;
  18                 p += written;
  19         }
  20 }