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-rw-r--r--lib/util/read_data.c (renamed from lib/util/read_retry.c)15
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/util/read_retry.c b/lib/util/read_data.c
index eb113c4..43f8da8 100644
--- a/lib/util/read_retry.c
+++ b/lib/util/read_data.c
@@ -1,27 +1,30 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
#include <unistd.h>
#include <errno.h>
+#include <stdio.h>
#include "util.h"
-ssize_t read_retry(int fd, void *buffer, size_t size)
+int read_data(const char *errstr, int fd, void *buffer, size_t size)
{
- ssize_t ret, total = 0;
+ ssize_t ret;
while (size > 0) {
ret = read(fd, buffer, size);
if (ret < 0) {
if (errno == EINTR)
continue;
+ perror(errstr);
+ return -1;
+ }
+ if (ret == 0) {
+ fprintf(stderr, "%s: short read\n", errstr);
return -1;
}
- if (ret == 0)
- break;
- total += ret;
size -= ret;
buffer = (char *)buffer + ret;
}
- return total;
+ return 0;
}