Snippets for dovecot 2.4.5 from Alpine s390x

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-s390x/main/dovecot/dovecot-2.4.5-r0.log.

• test-ostream-multiplex.c:614:9: warning: initializer-string for array of 'unsigned char' truncates NUL terminator but destination lacks 'nonstring' attribute (10 chars into 9 available) [-Wunterminated-string-initialization]
    614 |         "\xFF\xFF\xFF\xFF\xFF\x00\x02\x03\xFE";
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• iostream-openssl.c:778:55: warning: unused parameter 'ssl_io' [-Wunused-parameter]
    778 | openssl_iostream_get_compression(struct ssl_iostream *ssl_io)
        |                                  ~~~~~~~~~~~~~~~~~~~~~^~~~~~
  

• test-charset.c:137:13: warning: 'test_charset_iconv_utf7_state' defined but not used [-Wunused-function]
    137 | static void test_charset_iconv_utf7_state(void)
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• test-charset.c:114:13: warning: 'test_charset_iconv_crashes' defined but not used [-Wunused-function]
    114 | static void test_charset_iconv_crashes(void)
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
  

• test-charset.c:64:13: warning: 'test_charset_iconv' defined but not used [-Wunused-function]
     64 | static void test_charset_iconv(void)
        |             ^~~~~~~~~~~~~~~~~~
  

• json-generator.c:1468:28: warning: 'sret' may be used uninitialized [-Wmaybe-uninitialized]
   1468 |                         if (sret > 0) {
        |                            ^
  

• /usr/include/sys/signal.h:1:2: warning: #warning redirecting incorrect #include <sys/signal.h> to <signal.h> [-Wcpp]
      1 | #warning redirecting incorrect #include <sys/signal.h> to <signal.h>
        |  ^~~~~~~
  

• ../../src/lib/strfuncs.h:136:36: warning: 'alg' may be used uninitialized [-Wmaybe-uninitialized]
    136 |         (__builtin_constant_p(n) ? strncmp((h), (n), strlen(n))==0 : \
        |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• smtp-server-transaction.c:80:40: warning: 'rcpts' may be used uninitialized [-Wmaybe-uninitialized]
     80 |         struct smtp_server_recipient **rcpts;
        |                                        ^~~~~
  

• test-smtp-server-errors.c:1299:12: warning: 'ret' may be used uninitialized [-Wmaybe-uninitialized]
   1299 |         if (ret == 0)
        |            ^
  

• dlua-iostream.c:241:18: warning: 'n' may be used uninitialized [-Wmaybe-uninitialized]
    241 |         return n - first;
        |                ~~^~~~~~~
  

• imap-client.c:461:37: warning: 'new_tag' may be used uninitialized [-Wmaybe-uninitialized]
    461 |                 client->state.tag = i_strdup(new_tag);
        |                                     ^~~~~~~~~~~~~~~~~
  

• acl-api.c:174:34: warning: 'aclobj_rights' may be used uninitialized [-Wmaybe-uninitialized]
    174 |         const struct acl_rights *aclobj_rights;
        |                                  ^~~~~~~~~~~~~