cleanup: move error handling into read_retry

If read_retry fails to read the expected amount of data (EOF or otherwise),
it is almost always an error.

This commit renames read_retry to read_data and moves error handling
into the function, making a lot of error handling code redundant.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 27 deletions

diff --git a/lib/util/read_retry.c b/lib/util/read_retry.c
deleted file mode 100644
index eb113c4..0000000
--- a/lib/util/read_retry.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include <unistd.h>
-#include <errno.h>
-
-#include "util.h"
-
-ssize_t read_retry(int fd, void *buffer, size_t size)
-{
-	ssize_t ret, total = 0;
-
-	while (size > 0) {
-		ret = read(fd, buffer, size);
-		if (ret < 0) {
-			if (errno == EINTR)
-				continue;
-			return -1;
-		}
-		if (ret == 0)
-			break;
-
-		total += ret;
-		size -= ret;
-		buffer = (char *)buffer + ret;
-	}
-
-	return total;
-}