Bug #76350 [Fbk->NoF]: comparison of distinct pointer types lacks a cast

Edit report at https://bugs.php.net/bug.php?id=76350&edit=1 ID: 76350 Updated by: php-bugs@lists.php.net Reported by: ailyin+php_add4_to_if_ind at anchorfree dot com Summary: comparison of distinct pointer types lacks a cast -Status: Feedback +Status: No Feedback Type: Bug Package: Compile Warning Operating System: alpine PHP Version: 7.1.17 Assigned To: cmb Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2021-06-01 12:36:23] cmb@php.net p is a char* and if_conf.ifc_buf is also supposed to be a char*. Which type does it have in musl libc? [1] <https://man7.org/linux/man-pages/man7/netdevice.7.html> ------------------------------------------------------------------------ [2018-05-17 00:31:48] ailyin+php_add4_to_if_ind at anchorfree dot com Description: ------------ /usr/src/php/ext/sockets/multicast.c: In function 'php_add4_to_if_index': /usr/src/php/ext/sockets/multicast.c:793:6: warning: comparison of distinct pointer types lacks a cast p < if_conf.ifc_buf + if_conf.ifc_len; ^ Test script: --------------- FROM php:7.1-fpm-alpine AS build-env RUN docker-php-source extract RUN echo '@edge-main http://dl-cdn.alpinelinux.org/alpine/edge/main' >> /etc/apk/repositories RUN echo '@edge-community http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories RUN echo '@edge-testing http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories RUN apk update RUN apk add --upgrade apk-tools@edge-main RUN apk add \ coreutils \ postgresql-dev@edge-main \ libmcrypt-dev \ bzip2-dev \ libpng-dev \ libxslt-dev \ gettext-dev \ autoconf \ g++ \ make \ cmake \ geoip-dev \ libmemcached-dev \ cyrus-sasl-dev \ pcre-dev \ git \ file \ freetype-dev \ libjpeg-turbo-dev \ re2c \ libressl-dev@edge-main \ rabbitmq-c-dev@edge-main RUN docker-php-ext-configure \ gd --with-freetype-dir=/usr/lib --with-jpeg-dir=/usr/lib --with-png-dir=/usr/lib RUN docker-php-ext-install -j$(getconf _NPROCESSORS_ONLN) \ mcrypt \ mysqli \ bz2 \ opcache \ calendar \ gd \ pcntl \ xsl \ soap \ shmop \ sysvmsg \ sysvsem \ sysvshm \ sockets \ pdo_mysql \ pdo_pgsql \ pgsql \ wddx Expected result: ---------------- No warning message in the build log. Actual result: -------------- /usr/src/php/ext/sockets/multicast.c: In function 'php_add4_to_if_index': /usr/src/php/ext/sockets/multicast.c:793:6: warning: comparison of distinct pointer types lacks a cast p < if_conf.ifc_buf + if_conf.ifc_len; ^ ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=76350&edit=1