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s_client: avoid warning on Windows/MS-DOS systems 

it appears when using gcc/mingw:
```
apps/s_client.c:815:9: warning: variable 'at_eof' set but not used [-Wunused-but-set-variable]
     int at_eof = 0;
         ^~~~~~
```
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1512)
This commit is contained in:
Viktor Szakats 2016-08-30 03:01:16 +02:00 committed by Rich Salz
parent 35c11bfc69
commit d485640b80
1 changed files with 4 additions and 0 deletions
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4
apps/s_client.c
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@ -812,7 +812,9 @@ int s_client_main(int argc, char **argv)
int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
int at_eof = 0;
#endif
int read_buf_len = 0;
int fallback_scsv = 0;
long randamt = 0;
@ -2393,8 +2395,10 @@ int s_client_main(int argc, char **argv)
} else
i = raw_read_stdin(cbuf, BUFSIZZ);
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
if (i == 0)
at_eof = 1;
#endif
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
BIO_printf(bio_err, "DONE\n");