dedup

commit 9fcd9f91190ab89a777da608d52215631ba4da91
parent dda406622a65ea3905118661977763385ff03d3b
Author: sin <sin@2f30.org>
Date:   Fri,  3 May 2019 12:35:01 +0100

Use xread/xwrite helpers in key.c

Diffstat:
M
key.c
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/key.c b/key.c
@@ -5,6 +5,10 @@
 
 #include "config.h"
 
+/* misc helpers */
+extern ssize_t xread(int, void *, size_t);
+extern ssize_t xwrite(int, void *, size_t);
+
 int
 keygen(unsigned char *key, size_t n)
 {
@@ -23,7 +27,7 @@ savekey(int fd, unsigned char *key, size_t n)
 	assert(KEYSIZE == crypto_aead_xchacha20poly1305_ietf_KEYBYTES);
 	if (n != crypto_aead_xchacha20poly1305_ietf_KEYBYTES)
 		return -1;
-	if (write(fd, key, n) != n)
+	if (xwrite(fd, key, n) != n)
 		return -1;
 	return 0;
 }
@@ -34,7 +38,7 @@ loadkey(int fd, unsigned char *key, size_t n)
 	assert(KEYSIZE == crypto_aead_xchacha20poly1305_ietf_KEYBYTES);
 	if (n != crypto_aead_xchacha20poly1305_ietf_KEYBYTES)
 		return -1;
-	if (read(fd, key, n) != n)
+	if (xread(fd, key, n) != n)
 		return -1;
 	return 0;
 }