diff --git a/write_or_die.c b/write_or_die.c
index e125e11d3b63e3dab9077d7b414e83e7ff7d16ad..630be4cb9414b1686a5ad86a4d5166f2828096f1 100644 (file)
--- a/write_or_die.c
+++ b/write_or_die.c
}
}
-int read_in_full(int fd, void *buf, size_t count)
+ssize_t read_in_full(int fd, void *buf, size_t count)
{
char *p = buf;
ssize_t total = 0;
return total;
}
-int write_in_full(int fd, const void *buf, size_t count)
+ssize_t write_in_full(int fd, const void *buf, size_t count)
{
const char *p = buf;
ssize_t total = 0;
return total;
}
+void fsync_or_die(int fd, const char *msg)
+{
+ if (fsync(fd) < 0) {
+ die("%s: fsync error (%s)", msg, strerror(errno));
+ }
+}
+
void write_or_die(int fd, const void *buf, size_t count)
{
if (write_in_full(fd, buf, count) < 0) {