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ssl_mail_client.c: silence warning, check base64_encode() status

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Found with Clang's `scan-build` tool.

ssl_mail_client.c does a dead store by assigning the return value of
base64_encode() to `len` and not using the value.  This causes
scan-build to issue a warning.

Instead of storing the return value into `len`, store it to `ret`, since
base64_encode() returns a status code, not a length. Also check if the
return value is nonzero and print an error; this silences scan-build.
This commit is contained in:
Alfred Klomp 2014-07-14 22:11:13 +02:00 committed by Manuel Pégourié-Gonnard
parent 5b78f219d0
commit 7c03424d1c
1 changed files with 12 additions and 2 deletions
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14
programs/ssl/ssl_mail_client.c
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@ -719,8 +719,13 @@ int main( int argc, char *argv[] )
fflush( stdout );
n = sizeof( buf );
len = base64_encode( base, &n, (const unsigned char *) opt.user_name,
ret = base64_encode( base, &n, (const unsigned char *) opt.user_name,
strlen( opt.user_name ) );
if( ret != 0 ) {
printf( " failed\n ! base64_encode returned %d\n\n", ret );
goto exit;
}
len = sprintf( (char *) buf, "%s\r\n", base );
ret = write_ssl_and_get_response( &ssl, buf, len );
if( ret < 300 || ret > 399 )
@ -734,8 +739,13 @@ int main( int argc, char *argv[] )
printf( " > Write password to server: %s", opt.user_pwd );
fflush( stdout );
len = base64_encode( base, &n, (const unsigned char *) opt.user_pwd,
ret = base64_encode( base, &n, (const unsigned char *) opt.user_pwd,
strlen( opt.user_pwd ) );
if( ret != 0 ) {
printf( " failed\n ! base64_encode returned %d\n\n", ret );
goto exit;
}
len = sprintf( (char *) buf, "%s\r\n", base );
ret = write_ssl_and_get_response( &ssl, buf, len );
if( ret < 200 || ret > 399 )