write_or_die.c


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#include "cache.h"

void write_or_die(int fd, const void *buf, size_t count)
{
	const char *p = buf;
	ssize_t written;

	while (count > 0) {
		written = xwrite(fd, p, count);
		if (written == 0)
			die("disk full?");
		else if (written < 0) {
			if (errno == EPIPE)
				exit(0);
			die("write error (%s)", strerror(errno));
		}
		count -= written;
		p += written;
	}
}