Bug #79924 [Ver->Csd]: compile warnings with --disable-ipv6 --enable-sockets

Edit report at https://bugs.php.net/bug.php?id=79924&edit=1 ID: 79924 Updated by: nikic@php.net Reported by: santi at mola dot io Summary: compile warnings with --disable-ipv6 --enable-sockets -Status: Verified +Status: Closed Type: Bug Package: Compile Warning PHP Version: Supported versions Block user comment: N Private report: N New Comment: Automatic comment on behalf of nikita.ppv@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=8b4da1774f2e8ba74579675460c37e0ebe723fdc Log: Fix bug #79924 Previous Comments: ------------------------------------------------------------------------ [2020-08-02 21:04:27] carusogabriel@php.net With the provided Test script, it's confirmed that this happens in PHP 7.3 and PHP 7.4 as well. These functions should be moved under a flag check for IPV6 (https://github.com/php/php-src/blob/1e0bc6e30f/ext/sockets/conversions.c#L589-L642) ------------------------------------------------------------------------ [2020-08-02 14:40:44] santi at mola dot io Description: ------------ multiple compile warnings with --disable-ipv6 --enable-sockets. Marked version PHP 8, but some warnings are probably present in most previous releases too. Test script: --------------- #!/bin/sh set -ex make clean || true ./buildconf -f ./configure --disable-all --disable-phpdbg --disable-ipv6 --enable-sockets --enable-werror make -j $(nproc) Actual result: -------------- [...] | ^~~~~~~~~~~~~~~~~~~~~~~ /__w/php-src/php-src/ext/sockets/conversions.c:505:13: error: 'to_zval_read_uint32' defined but not used [-Werror=unused-function] 505 | static void to_zval_read_uint32(const char *data, zval *zv, res_context *ctx) | ^~~~~~~~~~~~~~~~~~~ /__w/php-src/php-src/ext/sockets/conversions.c:491:13: error: 'to_zval_read_unsigned' defined but not used [-Werror=unused-function] 491 | static void to_zval_read_unsigned(const char *data, zval *zv, res_context *ctx) | ^~~~~~~~~~~~~~~~~~~~~ /bin/bash /__w/php-src/php-src/libtool --silent --preserve-dup-deps --mode=compile cc -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -Iext/sockets/ -I/__w/php-src/php-src/ext/sockets/ -DPHP_ATOM_INC -I/__w/php-src/php-src/include -I/__w/php-src/php-src/main -I/__w/php-src/php-src -I/__w/php-src/php-src/ext/date/lib -I/usr/include/libxml2 -I/usr/include/x86_64-linux-gnu -I/usr/include/enchant -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/libpng16 -I/usr/include/freetype2 -I/__w/php-src/php-src/ext/mbstring/libmbfl -I/__w/php-src/php-src/ext/mbstring/libmbfl/mbfl -I/usr/include/postgresql -I/usr/include/pspell -I/usr/include/tidy -I/__w/php-src/php-src/TSRM -I/__w/php-src/php-src/Zend -I/usr/include -g -O2 -fvisibility=hidden -Wall -Wextra -Wno-strict-aliasing -Wno-implicit-fallthrough -Wno-unused-parameter -Wno-sign-compare -Wno-clobbered -DZEND_SIGNALS -Werror -c /__w/php-src/php-src/ext/sockets/sockaddr_conv.c -o ext/sockets/sockaddr_conv.lo /__w/php-src/php-src/ext/sockets/conversions.c: In function 'from_zval_write_controllen': /__w/php-src/php-src/ext/sockets/conversions.c:1116:24: error: 'len' may be used uninitialized in this function [-Werror=maybe-uninitialized] 1116 | msghdr->msg_control = accounted_emalloc(len, ctx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make: *** [Makefile:1685: ext/sockets/conversions.lo] Error 1 [...] ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79924&edit=1