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authorMatt Caswell <matt@openssl.org>2015-08-03 17:20:47 +0100
committerMatt Caswell <matt@openssl.org>2015-08-13 20:34:51 +0100
commitbc6616a4347d4c30bce1d1918da09f09f84c0403 (patch)
treec7fc9a59f688b9a1fd7ec2e4e5864d0705e99272
parentf9f6053442a2918d0445866252256b2cb54a1187 (diff)
Enhance PACKET readability
Enhance the PACKET code readability, and fix a stale comment. Thanks to Ben Kaduk (bkaduk@akamai.com) for pointing this out. Reviewed-by: Emilia Käsper <emilia@openssl.org>
-rw-r--r--ssl/packet_locl.h3
-rw-r--r--ssl/s3_srvr.c2
-rw-r--r--ssl/t1_lib.c4
-rw-r--r--test/packettest.c2
4 files changed, 5 insertions, 6 deletions
diff --git a/ssl/packet_locl.h b/ssl/packet_locl.h
index 80d0b93fd9..a5e4d00911 100644
--- a/ssl/packet_locl.h
+++ b/ssl/packet_locl.h
@@ -80,8 +80,7 @@ typedef struct {
} PACKET;
/*
- * Returns 1 if there are exactly |len| bytes left to be read from |pkt|
- * and 0 otherwise
+ * Returns the number of bytes remaining to be read in the PACKET
*/
__owur static inline size_t PACKET_remaining(PACKET *pkt)
{
diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index c723ea0f2d..a015a495c7 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -1059,7 +1059,7 @@ int ssl3_get_client_hello(SSL *s)
memset(s->s3->client_random, 0, SSL3_RANDOM_SIZE);
if (!PACKET_peek_copy_bytes(&pkt, s->s3->client_random, i)
|| !PACKET_forward(&pkt, cl)
- || !PACKET_remaining(&pkt) == 0) {
+ || PACKET_remaining(&pkt) != 0) {
SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_RECORD_LENGTH_MISMATCH);
al = SSL_AD_DECODE_ERROR;
goto f_err;
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index ece2b72ac6..e37411ccbf 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -2036,7 +2036,7 @@ static int ssl_scan_clienthello_tlsext(SSL *s, PACKET *pkt, int *al)
}
}
/* We shouldn't have any bytes left */
- if (PACKET_remaining(&ssubpkt))
+ if (PACKET_remaining(&ssubpkt) != 0)
goto err;
}
@@ -2140,7 +2140,7 @@ static int ssl_scan_clienthello_tlsext(SSL *s, PACKET *pkt, int *al)
|| (dsize & 1) != 0
|| (dsize == 0)
|| !PACKET_get_bytes(&subpkt, &data, dsize)
- || PACKET_remaining(&subpkt)
+ || PACKET_remaining(&subpkt) != 0
|| !tls1_save_sigalgs(s, data, dsize)) {
goto err;
}
diff --git a/test/packettest.c b/test/packettest.c
index d6d0c082f5..c3ac53bcb0 100644
--- a/test/packettest.c
+++ b/test/packettest.c
@@ -67,7 +67,7 @@ static int test_PACKET_remaining(PACKET *pkt)
|| !PACKET_forward(pkt, BUF_LEN - 1)
|| PACKET_remaining(pkt) != 1
|| !PACKET_forward(pkt, 1)
- || PACKET_remaining(pkt)) {
+ || PACKET_remaining(pkt) != 0) {
fprintf(stderr, "test_PACKET_remaining() failed\n");
return 0;
}