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Check for error before returning errno.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4730 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-04-05 06:31:17 +00:00
parent 644ebda442
commit ea82b6b2c0
1 changed files with 7 additions and 2 deletions
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9
lib/krb5/read_message.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1997 Kungliga Tekniska H<>gskolan
* Copyright (c) 1997, 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -49,8 +49,13 @@ krb5_read_message (krb5_context context,
u_int32_t len;
u_int8_t buf[4];
if (krb5_net_read (context, p_fd, buf, 4) != 4)
ret = krb5_net_read (context, p_fd, buf, 4);
if(ret == -1)
return errno;
if(ret < 4) {
data->length = 0;
return 0;
}
len = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
ret = krb5_data_alloc (data, len);
if (ret)